X  Close Official AQ sensor station - Horicon, Wisconsin, USA

  PM2.5 PM10 O3 AQI classification       
Current 3 6 19.2 19.2 Good Air Quality
     
Forecastmin avg maxmin avg maxmin avg max           
14-10-2026581234512Good Air Quality
     
15-10-2026591524515Good Air Quality
     
16-10-2026251212412Good Air Quality
     
17-10-2026381325613Good Air Quality
     
18-10-202611182657926Good Air Quality
     
19-10-20262636439121443Good Air Quality
     
20-10-202646698715263687Moderate Air Quality 
    
21-10-202635425712142057Moderate 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: 16-10-2026 18:00