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

  PM2.5 PM10 O3 AQI classification       
Current 13 7.3 13 Good Air Quality

Forecastmin avg maxmin avg maxmin avg max           
09-24-20223335369101188936Good Air Quality
09-25-202221323869107101738Good Air Quality
09-26-2022612222465111822Good Air Quality
09-27-20226121724610131919Good Air Quality
09-28-2022712183467102020Good Air Quality
09-29-20225710234591818Good Air Quality
09-30-20229296249208142662Moderate Air Quality 
10-01-20221728626102010131962Moderate 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: 09-26-2022 10:00 pm