X  Close Official AQ sensor station - Madison East, Wisconsin, USA

  PM2.5 PM10 O3 AQI classification       
Current 29 28 29 Good Air Quality
     
Forecastmin avg maxmin avg maxmin avg max           
02-06-20263342224Good Air Quality
     
02-07-20263111514615Good Air Quality
     
02-08-2026122343581343Good Air Quality
     
02-09-202638465514171855Moderate Air Quality 
    
02-10-2026101857582857Moderate Air Quality 
    
02-11-20265132535925Good Air Quality
     
02-12-20262239528131552Moderate Air Quality 
    
02-13-202633435910131859Moderate Air Quality 
    
            

classification AQI The health effects should be based on 24 hours average values only.
Good Air Quality 0-50 Air quality is considered satisfactory, and air pollution poses little or no risk
Moderate Air Quality 50-100 Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.
Unhealthy for some 100-150 Members of sensitive groups may experience health effects. The general public is not likely to be affected.
Unhealthy Air Quality 150-200 Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects.
Very Unhealthy 200-300 Health alert: everyone may experience more serious health effects
Hazardous Air Quality > 300 Health warnings of emergency conditions. The entire population is more likely to be affected
 More information:  EPA Air Quality Index      Sensor data captured at: 02-08-2026 17:00