Www2.purpleair.com - SEO Checker

Overview of the SEO Check
Meta information
79% 
Page quality
88% 
Page structure
79% 
Link structure
56% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.15 s
File size
138.90 kB
Words
598
Media files
26
Number of links
51 internal / 62 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Real-time Air Quality Monitoring by PurpleAir
The length of the page title is perfect. (399 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Hyper-local, real-time, public air quality map. Visualize PM2.5 AQI in your area for free. Useful to community scientists or air quality professionals alike, PurpleAir sensors are easy to install, requiring only a power outlet and WiFi.
The meta description is too long: 1402 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www2.purpleair.com/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: United States of America
The following language is defined by HTML: en
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
This page is hosted on a subdomain. Use a top level domain for better SEO results.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
viewportwidth=device-width,initial-scale=1
theme-color#aa44aa
descriptionHyper-local, real-time, public air quality map. Visualize PM2.5 AQI in your area for free. Useful to community scientists or air quality professionals alike, PurpleAir sensors are easy to install, requiring only a power outlet and WiFi.
google-site-verificationhPuACnjKxzuRsIVQ51AJqR43oCNhn8GsdGdFv6m6mxg
facebook-domain-verification828gfodr7r3p9jyf0hqpup8ls4r1xv
shopify-digital-wallet/8055521377/digital_wallets/dialog
shopify-checkout-api-tokenc57a51cb6867eeb164777da91ac59d25
langen
twitter:site@thepurpleair
twitter:cardsummary_large_image
twitter:titleReal-time Air Quality Monitoring by PurpleAir
twitter:descriptionHyper-local, real-time, public air quality map. Visualize PM2.5 AQI in your area for free. Useful to community scientists or air quality professionals alike, PurpleAir sensors are easy to install, requiring only a power outlet and WiFi.
og:site_namePurpleAir
og:urlhttps://www2.purpleair.com/
og:titleReal-time Air Quality Monitoring by PurpleAir
og:typewebsite
og:descriptionHyper-local, real-time, public air quality map. Visualize PM2.5 AQI in your area for free. Useful to community scientists or air quality professionals alike, PurpleAir sensors are easy to install, requiring only a power outlet and WiFi.
og:imagehttps://cdn.shopify.com/s/files/1/0080/5552/1377/files/logo_purple_branded.png?height=628&pad_color=ffffff&v=1614297769&width=1200
og:image:secure_urlhttps://cdn.shopify.com/s/files/1/0080/5552/1377/files/logo_purple_branded.png?height=628&pad_color=ffffff&v=1614297769&width=1200
og:image:width1200
og:image:height628
X-UA-CompatibleIE=edge,chrome=1
charsetutf-8

Test up to 1.000 webpages of www2.purpleair.com with our free plan!

Try For Free
No trial. It's just free!

Page quality

Content
(Critically important)
This page contains 598 words. That's ok.
23.2% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
6 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 14.69 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width,initial-scale=1" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 12 tags for this page.
Image SEO
(Somewhat important)
3 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

URLAlt attributeTitle
...c9-69c59691d543_300x300.png?v=1630517683PurpleAir
...af-55fa9f71a7d3_300x300.jpg?v=1700505703PurpleAir Flex Air Quality Monitor
...s/2_Touch-Cover_300x300.png?v=1717638508PurpleAir Touch Indoor Air Quality Monitor
...les/2_Zen-Cover_300x300.png?v=1717638955PurpleAir Zen Air Quality Monitor
...s/footer-AQ-SPEC_banner.png?v=1624491318Link to AQ-SPEC
...so-unsplash_1_1_300x300.jpg?v=1725556881No alt attribute provided
...oJVO94-unsplash_300x300.jpg?v=1724282171No alt attribute provided
...or_US-Flags3_MH_300x300.jpg?v=1723056307No alt attribute provided
...ast.svg?v=160053687007155003191632370281Fast Company article on purpleair link
...wired.svg?v=8028843865810750701632370301Wired article on purpleair link
...erge.svg?v=17971097265648505381632370300The Verge article on purpleair link
...all.png?v=123071989893284710231647640204SF Gate article on purpleair link
...mall.png?v=15205961910410055411632370290SF Chronicle article on purpleair link
...NYT.svg?v=142723055241421233921632370278New York Times article on purpleair link
...wapo.svg?v=18667755471521684331632370294The Washington Post article on purpleair link
...mag.svg?v=105634291035581648931632370296New York Magazine article on purpleair link
...all.png?v=162743250667941255401632370284CNBC article on purpleair link
...QED.svg?v=169437062198056323631632370277KQED article on purpleair link
...erg.png?v=164211518558711880791632370282Bloomberg article on purpleair link
...mall.png?v=33800629953890359341632370287NPR article on purpleair link
...INAL.png?v=67037569495746839891624491320Link to Maptiler website
...o_4c.png?v=86238489385132973691624491323Link to Weather Underground website
...rgin.png?v=58588802632099525071624491315Link to Windy website
...lue.png?v=159340814286393920091624491321Link to Coalition for Clean Air website
...o_v2.png?v=96734303786115733251632370283Link to Clean Air Carolina website
...logo.gif?v=21204099850388702541624491322Link to EZSBC website

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H2 PurpleAir makes sensors that empower Community Scientists who collect hyper-local air quality data and share it with the public.
H2 Our Sensors
H2 Looking for access to the largest Real-Time air quality dataset?
H2 Testimonials
H2 Blog posts
H3 How Students Are Getting Involved — Air Quality in Milton, Ontario
H3 Uplifting Air Quality Research — RISE Communities
H3 Sensors for Change – The Glen Eira Air Quality Network
H4 Tested By
Some internal link anchor texts are too long.
Some anchor texts are used more than once.
There are 3 links with a trivial anchor text.
The number of internal links is ok.
All internal links are not using dynamic parameters.
There are too many external links (62) on this page.
LinkAttributesAnchor text
https://www2.purpleair.com/Anchor Skip to content
https://www2.purpleair.com/IMG-ALT PurpleAir
https://map.purpleair.com/External Subdomain Map
https://map.purpleair.com/External Subdomain Real-time Map
https://community.purpleair.co...External Subdomain Map Startup Guide
https://community.purpleair.co...External Subdomain Anchor Add Your Sensor
https://community.purpleair.co...External Subdomain Map Community
/products/listSensors
/products/listPurchase Yours Now
https://community.purpleair.co...External Subdomain Sensor Startup Guide
https://www.purpleair.com/regi...External Subdomain Register Your Sensor
https://community.purpleair.co...External Subdomain Which Sensor to Choose
https://community.purpleair.co...External Subdomain Sensor Community
https://community.purpleair.co...External Subdomain Data
https://community.purpleair.co...External Subdomain Data Download Tool
/pages/purpleair-data-use-casesData Use Cases
https://community.purpleair.co...External Subdomain PurpleAir API
https://community.purpleair.co...External Subdomain Data Community
https://community.purpleair.com/External Subdomain PurpleAir Community
/pages/research-papersResearch Papers
https://community.purpleair.co...External Subdomain Community Projects
https://community.purpleair.co...External Subdomain FAQ
/blogs/blog-homePurpleAir Blog
/blogs/collaborationsCollaborations Blog
/pages/contact-usContact Us
/account/loginLog in
https://www2.purpleair.com/cartCart
https://map.purpleair.com/External Subdomain Text duplicate Real-time Map
https://community.purpleair.co...External Subdomain Text duplicate Map Startup Guide
https://community.purpleair.co...External Subdomain Anchor Text duplicate Add Your Sensor
https://community.purpleair.co...External Subdomain Text duplicate Map Community
/products/listText duplicate Purchase Yours Now
https://community.purpleair.co...External Subdomain Text duplicate Sensor Startup Guide
https://www.purpleair.com/regi...External Subdomain Text duplicate Register Your Sensor
https://community.purpleair.co...External Subdomain Text duplicate Which Sensor to Choose
https://community.purpleair.co...External Subdomain Text duplicate Sensor Community
https://community.purpleair.co...External Subdomain Text duplicate Data Download Tool
/pages/purpleair-data-use-casesText duplicate Data Use Cases
https://community.purpleair.co...External Subdomain Text duplicate PurpleAir API
https://community.purpleair.co...External Subdomain Text duplicate Data Community
https://community.purpleair.com/External Subdomain Text duplicate PurpleAir Community
/pages/research-papersText duplicate Research Papers
https://community.purpleair.co...External Subdomain Text duplicate Community Projects
https://community.purpleair.co...External Subdomain Text duplicate FAQ
/blogs/blog-homeText duplicate PurpleAir Blog
/blogs/collaborationsText duplicate Collaborations Blog
/pages/contact-usText duplicate Contact Us
https://map.purpleair.com/External Subdomain A-TITLE A link to PurpleAir's Real-Time Map.
/products/purpleair-flexPurpleAir Flex Air Quality Monitor
/products/purpleair-touchPurpleAir Touch Indoor Air Quality Monitor
/products/purpleair-zenPurpleAir Zen Air Quality Monitor
http://www.aqmd.gov/aq-spec/pr...New window External Subdomain AQ-SPEC
IMG-ALT Link to AQ-SPEC
https://develop.purpleair.com/External Subdomain Looking for access to the largest Real-Time air quality dataset? Check out the PurpleAir develop portal
A-TITLE Check out the PurpleAir develop portal
https://develop.purpleair.com/External Subdomain Check out the PurpleAir develop portal
/collections/air-quality-sensorsPurpleAir's industry-leading sensors measure particle pollution (PM2.5) and are priced at a fraction of what you pay for a commercial sensor. Our indoor and ...
A-TITLE A link to collections
/collections/air-quality-sensorsView Sensors
/blogs/blog-home/milton-ontarioHow Students Are Getting Involved — Air Quality in Milton, Ontario
/blogs/blog-home/tagged/air-qu...Air Quality
/blogs/blog-home/tagged/air-qu...air quality case study
/blogs/blog-home/tagged/air-qu...Air Quality Monitoring
/blogs/blog-home/tagged/purpleairText duplicate PurpleAir
/blogs/blog-home/milton-ontarioTrivial anchor text
Read more
/blogs/blog-home/rise-communitiesUplifting Air Quality Research — RISE Communities
/blogs/blog-home/tagged/air-po...Air Pollution
/blogs/blog-home/tagged/air-qu...Text duplicate Air Quality
/blogs/blog-home/tagged/air-qu...Air Quality Activism
/blogs/blog-home/tagged/air-qu...Air Quality Education
/blogs/blog-home/tagged/commun...Text duplicate Community Projects
/blogs/blog-home/tagged/purpleairText duplicate PurpleAir
/blogs/blog-home/rise-communitiesText duplicate Trivial anchor text
Read more
/blogs/blog-home/sensors-for-c...Sensors for Change – The Glen Eira Air Quality Network
/blogs/blog-home/tagged/air-po...Text duplicate Air Pollution
/blogs/blog-home/tagged/air-qu...Text duplicate Air Quality Activism
/blogs/blog-home/tagged/purpleairText duplicate PurpleAir
/blogs/blog-home/sensors-for-c...Text duplicate Trivial anchor text
Read more
https://www.fastcompany.com/90...New window External Subdomain Fast Company
IMG-ALT Fast Company article on purpleair link
https://www.wired.com/story/ba...New window External Subdomain Wired
IMG-ALT Wired article on purpleair link
https://www.theverge.com/21440...New window External Subdomain The Verge
IMG-ALT The Verge article on purpleair link
https://www.sfgate.com/news/ar...New window External Subdomain SF Gate
IMG-ALT SF Gate article on purpleair link
https://www.sfchronicle.com/ca...New window External Subdomain San Francisco Chronicle
IMG-ALT SF Chronicle article on purpleair link
https://www.nytimes.com/2020/0...New window External Subdomain New York Times
IMG-ALT New York Times article on purpleair link
https://www.washingtonpost.com...New window External Subdomain The Washington Post
IMG-ALT The Washington Post article on purpleair link
https://nymag.com/intelligence...New window External New York Magazine
IMG-ALT New York Magazine article on purpleair link
https://www.cnbc.com/2020/09/1...New window External Subdomain CNBC
IMG-ALT CNBC article on purpleair link
https://www.kqed.org/science/1...New window External Subdomain KQED
IMG-ALT KQED article on purpleair link
https://www.bloomberg.com/news...New window External Subdomain Bloomberg
IMG-ALT Bloomberg article on purpleair link
https://www.npr.org/2021/09/07...New window External Subdomain NPR
IMG-ALT NPR article on purpleair link
https://www.maptiler.com/New window External Subdomain Maptiler
IMG-ALT Link to Maptiler website
https://www.wunderground.com/New window External Subdomain Weather Underground
IMG-ALT Link to Weather Underground website
https://www.windy.com/New window External Subdomain Windy.com
IMG-ALT Link to Windy website
https://www.ccair.org/New window External Subdomain Coalition for Clean Air
IMG-ALT Link to Coalition for Clean Air website
https://cleanaircarolina.org/New window External Clean Air Carolina
IMG-ALT Link to Clean Air Carolina website
https://www.ezsbc.com/New window External Subdomain EZSBC
IMG-ALT Link to EZSBC website
https://www2.purpleair.com/Home
https://map.purpleair.com/?myl...External Subdomain Text duplicate Map
https://www.purpleair.com/regi...External Subdomain Register
/pages/ccpa-opt-outDo not sell my personal information
/products/listAll Products
/products/purpleair-flexPurpleAir Flex
/products/purpleair-touchPurpleAir Touch
/products/purpleair-pa-iiPurpleAir Classic
https://community.purpleair.co...External Subdomain Technology
https://community.purpleair.co...External Subdomain Text duplicate FAQ
/pages/payment-methodsPayment Methods
/pages/warrantyWarranty
/pages/contact-usText duplicate Contact Us
https://www.facebook.com/ThePu...External Subdomain Facebook
https://twitter.com/thepurpleairExternal Twitter
https://www.instagram.com/thep...External Subdomain Instagram
https://youtube.com/@thepurpleairExternal YouTube
https://www2.purpleair.com/Text duplicate PurpleAir
https://shop.purpleair.com/pol...External Subdomain Terms & Conditions
https://shop.purpleair.com/pol...External Subdomain Privacy Policy

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www2.purpleair.com/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is excellent with 0.15 seconds.
The file size of the HTML document is fine (139 kB).

HTTP Response Header

NameValue
dateTue, 10 Sep 2024 05:02:04 GMT
content-typetext/html; charset=utf-8
x-sorting-hat-podid96
x-sorting-hat-shopid8055521377
x-storefront-renderer-rendered1
etagW/"cacheable:80fd003fef2ab07e90d120d661b28806"
link<https://cdn.shopify.com>; rel="preconnect", <https://cdn.shopify.com>; rel="preconnect"; crossorigin
x-shopify-nginx-no-cookies0
set-cookie99 Characters
x-cachehit, server
x-frame-optionsDENY
content-security-policyblock-all-mixed-content; frame-ancestors 'none'; upgrade-insecure-requests;
strict-transport-securitymax-age=7889238
x-shopid8055521377
x-shardid96
varyAccept
content-languageen-US
powered-byShopify
server-timingprocessing;dur=23;desc="gc:2", db;dur=4, asn;desc="24940", edge;desc="FRA", country;desc="DE", knownbot, theme;desc="120389501025", pageType;desc="index", servedBy;desc="4rxh", requestID;desc="286a86b7-0f96-49e3-a98b-a2518129b4f8-1725944524"
x-dcgcp-europe-west3,gcp-europe-west1,gcp-europe-west1
x-request-id286a86b7-0f96-49e3-a98b-a2518129b4f8-1725944524
alt-svch3=":443"; ma=86400
cf-cache-statusDYNAMIC
report-to{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=Pu6kAXEb7XuYoyrUdMmpQYBnYzGkzW0e1sFuMNDfJeiSimaOAWHp27ECYOHSXr4WHXi3jruukhflYYMVRO5r02BZpuwDNlbA1cTqz2w3I%2FTEVr%2BqTETPi%2FOA6Ry4zmhLFzjDMw%3D%3D"}],"group":"cf-nel","max_age":604800}
nel{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
x-xss-protection1; mode=block
x-content-type-optionsnosniff
x-permitted-cross-domain-policiesnone
x-download-optionsnoopen
servercloudflare
cf-ray8c0cdd1e1cdb972a-FRA
content-encodinggzip
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This website has excellent links from other websites.
This page has backlinks from 1,136 referring domains.
This page has 15,537 backlinks.
This page has backlinks from 851 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

# we use Shopify as our ecommerce platform

User-agent: *
Disallow: /a/downloads/-/*
Disallow: /admin
Disallow: /cart
Disallow: /orders
Disallow: /checkouts/
Disallow: /checkout
Disallow: /8055521377/checkouts
Disallow: /8055521377/orders
Disallow: /carts
Disallow: /account
Disallow: /collections/*sort_by*
Disallow: /*/collections/*sort_by*
Disallow: /collections/*+*
Disallow: /collections/*%2B*
Disallow: /collections/*%2b*
Disallow: /*/collections/*+*
Disallow: /*/collections/*%2B*
Disallow: /*/collections/*%2b*
Disallow: */collections/*filter*&*filter*
Disallow: /blogs/*+*
Disallow: /blogs/*%2B*
Disallow: /blogs/*%2b*
Disallow: /*/blogs/*+*
Disallow: /*/blogs/*%2B*
Disallow: /*/blogs/*%2b*
Disallow: /*?*oseid=*
Disallow: /*preview_theme_id*
Disallow: /*preview_script_id*
Disallow: /policies/
Disallow: /*/policies/
Disallow: /*/*?*ls=*&ls=*
Disallow: /*/*?*ls%3D*%3Fls%3D*
Disallow: /*/*?*ls%3d*%3fls%3d*
Disallow: /search
Disallow: /apple-app-site-association
Disallow: /.well-known/shopify/monorail
Disallow: /cdn/wpm/*.js
Disallow: /recommendations/products
Disallow: /*/recommendations/products
Sitemap: https://www2.purpleair.com/sitemap.xml

User-agent: adsbot-google
Disallow: /checkouts/
Disallow: /checkout
Disallow: /carts
Disallow: /orders
Disallow: /8055521377/checkouts
Disallow: /8055521377/orders
Disallow: /*?*oseid=*
Disallow: /*preview_theme_id*
Disallow: /*preview_script_id*
Disallow: /cdn/wpm/*.js

User-agent: Nutch
Disallow: /

User-agent: AhrefsBot
Crawl-delay: 10
Disallow: /a/downloads/-/*
Disallow: /admin
Disallow: /cart
Disallow: /orders
Disallow: /checkouts/
Disallow: /checkout
Disallow: /8055521377/checkouts
Disallow: /8055521377/orders
Disallow: /carts
Disallow: /account
Disallow: /collections/*sort_by*
Disallow: /*/collections/*sort_by*
Disallow: /collections/*+*
Disallow: /collections/*%2B*
Disallow: /collections/*%2b*
Disallow: /*/collections/*+*
Disallow: /*/collections/*%2B*
Disallow: /*/collections/*%2b*
Disallow: */collections/*filter*&*filter*
Disallow: /blogs/*+*
Disallow: /blogs/*%2B*
Disallow: /blogs/*%2b*
Disallow: /*/blogs/*+*
Disallow: /*/blogs/*%2B*
Disallow: /*/blogs/*%2b*
Disallow: /*?*oseid=*
Disallow: /*preview_theme_id*
Disallow: /*preview_script_id*
Disallow: /policies/
Disallow: /*/policies/
Disallow: /*/*?*ls=*&ls=*
Disallow: /*/*?*ls%3D*%3Fls%3D*
Disallow: /*/*?*ls%3d*%3fls%3d*
Disallow: /search
Disallow: /apple-app-site-association
Disallow: /.well-known/shopify/monorail
Disallow: /cdn/wpm/*.js
Sitemap: https://www2.purpleair.com/sitemap.xml

User-agent: AhrefsSiteAudit
Crawl-delay: 10
Disallow: /a/downloads/-/*
Disallow: /admin
Disallow: /cart
Disallow: /orders
Disallow: /checkouts/
Disallow: /checkout
Disallow: /8055521377/checkouts
Disallow: /8055521377/orders
Disallow: /carts
Disallow: /account
Disallow: /collections/*sort_by*
Disallow: /*/collections/*sort_by*
Disallow: /collections/*+*
Disallow: /collections/*%2B*
Disallow: /collections/*%2b*
Disallow: /*/collections/*+*
Disallow: /*/collections/*%2B*
Disallow: /*/collections/*%2b*
Disallow: */collections/*filter*&*filter*
Disallow: /blogs/*+*
Disallow: /blogs/*%2B*
Disallow: /blogs/*%2b*
Disallow: /*/blogs/*+*
Disallow: /*/blogs/*%2B*
Disallow: /*/blogs/*%2b*
Disallow: /*?*oseid=*
Disallow: /*preview_theme_id*
Disallow: /*preview_script_id*
Disallow: /policies/
Disallow: /*/policies/
Disallow: /*/*?*ls=*&ls=*
Disallow: /*/*?*ls%3D*%3Fls%3D*
Disallow: /*/*?*ls%3d*%3fls%3d*
Disallow: /search
Disallow: /apple-app-site-association
Disallow: /.well-known/shopify/monorail
Disallow: /cdn/wpm/*.js
Sitemap: https://www2.purpleair.com/sitemap.xml

User-agent: MJ12bot
Crawl-delay: 10

User-agent: Pinterest
Crawl-delay: 1

Search preview

www2.purpleair.com
Real-time Air Quality Monitoring by PurpleAir
Hyper-local, real-time, public air quality map. Visualize PM2.5 AQI in your area for free. Useful to community scientists or air quality professionals alike, PurpleAir sensors are easy to install, requiring only a power outlet and WiFi.

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
air78%Check
PurpleAir76%Check
Air Quality69%Check
Real-Time air68%Check
PurpleAir sensors66%Check
Real-Time air quality64%Check
Real-time62%Check
Air Quality Monitor60%Check
Air Quality Monitoring59%Check
Clean Air56%Check

Test up to 1.000 webpages of www2.purpleair.com with our free plan!

Try For Free
No trial. It's just free!

Cookie Policy

We use cookies to make our site work and also for analytics and advertising purposes. You can enable or disable optional cookies as desired. See the following links for more information.

We need these so the site can function properly

So we can better understand how visitors use our website

So we can serve you tailored ads and promotions