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

  PM2.5 PM10 O3 AQI classification       
Current 17 17 Good Air Quality

Forecastmin avg maxmin avg maxmin avg max           
16-04-2021361523420253131Good Air Quality
17-04-20214143825143203238Good Air Quality
18-04-202182951310153124351Moderate Air Quality 
19-04-202130579882247174798Moderate Air Quality 
20-04-2021274194914451305994Moderate Air Quality 
21-04-202132043161121314545Good Air Quality
22-04-2021361712536394444Good 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: 18-04-2021 18:00