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

  PM2.5 PM10 O3 AQI classification       
Current 25 28.1 28.1 Good Air Quality

Forecastmin avg maxmin avg maxmin avg max           
12-02-2023416489112033131189Moderate Air Quality 
12-03-2023935554101613855Moderate Air Quality 
12-04-2023512172568101417Good Air Quality
12-05-202361522369461022Good Air Quality
12-06-2023319412712491541Good Air Quality
12-07-2023828453914691345Good Air Quality
12-08-202320506161621141161Moderate 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 alert: everyone may experience more serious health effects
Hazardous Air Quality > 300 Health warnings of emergency conditions. The entire population is more likely to be affected
 More information:  EPA Air Quality Index      Sensor data captured at: 12-04-2023 12:00 pm