Live Air Quality
Browse by location
Compare Two Cities
City A
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VS
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City B
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🌍
Ready to Monitor
Use your location for nearby stations, or browse cities worldwide.
Health
Outdoor Safety
Load a location above to see your safety rating.
Health Advice
Recommendations appear once a location is loaded.
AQI Standards
🇺🇸 US AQI
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🇨🇳 China
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🌐 WHO
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AQI Scale
0 – 50
Good
51 – 100
Moderate
101 – 150
Unhealthy for Sensitive Groups
151 – 200
Unhealthy
201 – 300
Very Unhealthy
301+
Hazardous
History
Avg AQI
—
period average
Best
—
lowest recorded
Worst
—
highest recorded
Readings
—
data points
Trend
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vs 12h ago
📈
No Data Yet
Load your location above to see historical AQI trends.
| Time | AQI | Category | Source |
|---|---|---|---|
| No readings loaded | |||
API
Endpoints
https://api.aqi.jeff-o-blogs.com
GET/api/aqi/nearby
?lat=&lon= — nearest stations by coordinates
GET/api/aqi/city
?city=&country= — lookup a specific city
GET/api/aqi/countries
List all available countries
GET/health
Service status and uptime
Data Sources
IQAir
Global professional monitoring stations
PurpleAir
Community sensors, high density
OpenAQ
DEFRA + UK/Europe government networks
Rate Limits
100 requests / 15 min per IP
Nearby & city results cached 10–15 min
Countries / States / Cities cached 1 hr
Nearby & city results cached 10–15 min
Countries / States / Cities cached 1 hr