waqi.info
World's Air Pollution: Real-time Air Quality Index
Last scanned Jul 26, 2026, 5:17 AM · 1 view
Overall score
Fair
Summary
How polluted is the air today? Check out the real-time air pollution map, for more than 80 countries. This website uses Nginx hosted on AKAMAI-LINODE-AP - Akamai Connected Cloud, SG. SEO is good (75/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance good (75/100). Top issue: Multiple H1 headings found.
How polluted is the air today? Check out the real-time air pollution map, for more than 80 countries.
- Netherlands
- Hosted on AKAMAI-LINODE-AP - Akamai Connected Cloud, SG
Top issues to fix
8 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+2 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
173 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
How polluted is the air today? Check out the real-time air pollution map, for more than 80 countries.
Meta tags
- Title
- World's Air Pollution: Real-time Air Quality Index
- Description
- How polluted is the air today? Check out the real-time air pollution map, for more than 80 countries.
- Canonical
- https://waqi.info/
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no
- Robots meta
- Manifest
- https://waqi.info/images/favicon/manifest.webmanifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- AKAMAI-LINODE-AP - Akamai Connected Cloud, SG
- CDN provider
- —
- IP address
- 139.162.71.178
- ASN
- AS63949 (AKAMAI-LINODE-AP - Akamai Connected Cloud, SG)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.2
- Issuer
- Let's Encrypt
- Subject
- aqicn.org
- Valid from
- Jul 17, 2026
- Valid to
- Oct 15, 2026
- Days until expiry
- 81
- SAN domains
- *.aqicn.org, *.waqi.info, aqicn.org, waqi.info
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 5 · H2 5 · H3 0
Links
90 internal · 16 external · 0 broken
Images
108 total · 0 missing alt
Scripts / Styles
13 scripts · 3 stylesheets
JS / CSS size
1.4 MB · 44.4 KB
Page size
70.8 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Multiple H1 headings found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://waqi.info
- Final URL
- https://waqi.info
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 172 ms
- HTML size
- 70.8 KB
- Redirect chain
- https://waqi.info
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does waqi.info use?
- waqi.info is built with Google Analytics, Google Ads, Nginx.
- Is waqi.info secure (HTTPS)?
- Yes. waqi.info uses TLS 1.2 with a certificate issued by Let's Encrypt, valid until Oct 15, 2026.
- Who hosts waqi.info?
- waqi.info is hosted on AKAMAI-LINODE-AP - Akamai Connected Cloud, SG.
- What is waqi.info's SEO score?
- waqi.info scored 75/100 for SEO in the latest analysis (fair).
- What is waqi.info's overall website score?
- waqi.info has an overall SiteGraph score of 78/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card