X  Close Official AQ sensor station - Oshawa, Ontario, Canada

  PM2.5 PM10 O3 AQI classification       
Current 13 35.2 35.2 Good Air Quality
     
Forecastmin avg maxmin avg maxmin avg max           
05-04-20263342477Good Air Quality
     
06-04-20264225050Good Air Quality
     
07-04-2026384848Good Air Quality
     
08-04-20267276161Moderate Air Quality 
    
09-04-202626456161Moderate Air Quality 
    
10-04-202623375555Moderate Air Quality 
    
11-04-202612172121Good Air Quality
     
12-04-202613223535Good 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: 07-04-2026 16:00