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

  PM2.5 PM10 O3 AQI classification       
Current 13 36.1 36.1 Good Air Quality

Forecastmin avg maxmin avg maxmin avg max           
03-01-20215225226131183652Moderate Air Quality 
03-02-202143181211301254481Moderate Air Quality 
03-03-20213355841019341164484Moderate Air Quality 
03-04-20211651875162923324287Moderate Air Quality 
03-05-202110152345733354343Good Air Quality
03-06-20212538488111323284348Good 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: 03-03-2021 3:00 pm