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

  PM2.5 PM10 O3 AQI classification       
Current 13 5 15.4 15.4 Good Air Quality
     
Forecastmin avg maxmin avg maxmin avg max           
30-10-20258131835818Good Air Quality
     
31-10-20251526309121430Good Air Quality
     
01-11-20254829341229Good Air Quality
     
02-11-202572141381341Good Air Quality
     
03-11-20251021435101343Good Air Quality
     
04-11-20251828369151836Good Air Quality
     
05-11-20251223406101740Good Air Quality
     
06-11-2025111720691020Good 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 warnings of emergency conditions. The entire population is more likely to be affected
Hazardous Air Quality > 300 Health alert: everyone may experience more serious health effects
 More information:  EPA Air Quality Index      Sensor data captured at: 01-11-2025 12:00