X  Close Official AQ sensor station - Oldtown, Maryland, USA

  PM2.5 PM10 O3 AQI classification       
Current 61 61 Moderate Air Quality  

Forecastmin avg maxmin avg maxmin avg max           
25-07-20213847509121311152350Good Air Quality
26-07-2021284560712175152960Moderate Air Quality 
27-07-2021245560615173193660Moderate Air Quality 
28-07-2021214257511161153257Moderate Air Quality 
29-07-2021325477916254111977Moderate Air Quality 
30-07-20219287838253142278Moderate Air Quality 
31-07-2021712192466112020Good 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: 27-07-2021 12:00