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

  PM2.5 PM10 O3 AQI classification       
Current 34 34 Good Air Quality

Forecastmin avg maxmin avg maxmin avg max           
14-10-2021507297132744142297Moderate Air Quality 
15-10-202162771002431411933100Moderate Air Quality 
16-10-2021134482313247121982Moderate Air Quality 
17-10-2021581323412131717Good Air Quality
18-10-202111151924510111719Good Air Quality
19-10-2021133248481610132248Good Air Quality
20-10-20213959656122665Moderate 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: 16-10-2021 00:00