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

  PM2.5 PM10 O3 AQI classification       
Current 72 50.7 72 Moderate Air Quality  
    
Forecastmin avg maxmin avg maxmin avg max           
29-06-202628282977729Good Air Quality
     
30-06-20263051858142885Moderate Air Quality 
    
01-07-202651629112193491Moderate Air Quality 
    
02-07-2026356710092645100Moderate Air Quality 
    
03-07-20262940657111965Moderate Air Quality 
    
04-07-20263241499111349Good Air Quality
     
05-07-202642566814192368Moderate Air Quality 
    
06-07-20262843659132265Moderate 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: 01-07-2026 14:00