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

  PM2.5 PM10 O3 AQI classification       
Current 42 42.4 42.4 Good Air Quality
     
Forecastmin avg maxmin avg maxmin avg max           
07-06-202616161755517Good Air Quality
     
08-06-2026193245581145Good Air Quality
     
09-06-202641577310162373Moderate Air Quality 
    
10-06-20262640647101864Moderate Air Quality 
    
11-06-20263048658131965Moderate Air Quality 
    
12-06-20261340874122987Moderate Air Quality 
    
13-06-20262234536101453Moderate Air Quality 
    
14-06-20262537436101243Good 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: 09-06-2026 14:00