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

  PM2.5 PM10 O3 AQI classification       
Current 60 20 60 Moderate Air Quality  
    
Forecastmin avg maxmin avg maxmin avg max           
12-23-202527495411213054Moderate Air Quality 
    
12-24-20252237518121651Moderate Air Quality 
    
12-25-20251234486121548Good Air Quality
     
12-26-202538535813172258Moderate Air Quality 
    
12-27-202558646920263369Moderate Air Quality 
    
12-28-2025547814203681Moderate Air Quality 
    
12-29-20253462346Good 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: 12-25-2025 03:00