Monitor air quality across the United States. Get real-time AQI levels and health recommendations for your city.
Last updated: 2026-04-28
Primary Pollutant
PM2.5 (Fine Particulate Matter)
Station Location
New York City Central Monitor
Note: This is a simulation. To enable real-time official data, integrate an API like AirNow.gov.
How to use
Select your city from the dropdown.
View the current AQI value and color-coded health status.
Read health recommendations based on current air pollution levels.
Use cases
Common errors
FAQ
What is AQI?
The Air Quality Index (AQI) is used by government agencies to communicate how polluted the air is currently or how polluted it is forecast to become.
Which pollutants are tracked?
The AQI focuses on five major pollutants: ground-level ozone, particle pollution (PM2.5 and PM10), carbon monoxide, sulfur dioxide, and nitrogen dioxide.