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

  PM2.5 PM10 O3 AQI classification       
Current 17 36.8 36.8 Good Air Quality
     

Forecastmin avg maxmin avg maxmin avg max           
03-26-20242244689152214141568Moderate Air Quality 
    
03-27-202417355961118141359Moderate Air Quality 
    
03-28-202414336049181142360Moderate Air Quality 
    
03-29-20241439574111715202657Moderate Air Quality 
    
03-30-20244053641116204112164Moderate Air Quality 
    
03-31-20246183836135112338Good Air Quality
     
04-01-202410224546144141745Good Air Quality
     
04-02-20249355231014151652Moderate 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: 03-28-2024 11:00 pm