X  Close Official AQ sensor station - Howard County Near Road, Maryland, USA

  PM2.5 PM10 O3 AQI classification       
Current 42 42 Good Air Quality
     
Forecastmin avg maxmin avg maxmin avg max           
30-04-2024223367912245143167Moderate Air Quality 
    
01-05-2024153561511203112761Moderate Air Quality 
    
02-05-2024445766111823283066Moderate Air Quality 
    
03-05-20249266549222152665Moderate Air Quality 
    
04-05-2024791045513151919Good Air Quality
     
05-05-2024811143576111515Good Air Quality
     
06-05-20241125364811131136Good 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: 02-05-2024 05:00