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Ozone Mapping

Current Air Quality Index 

 - http://www.epa.gov/airnow/today/cur_aqi_losangeles_ca.jpg 
AQI: Good (0 - 50) AQI: Moderate (51 - 100) AQI: Unhealthy for Sensitive Groups (101 - 150) AQI: Unhealthy (151 - 200) AQI: Very Unhealthy (201 - 300) AQI: Hazardous(301 - 500)

 

Todays Air Quality Index Animation

AQI Animation - http://www.epa.gov/airnow/today/anim_aqi_losangeles_ca.gif
AQI: Good (0 - 50) AQI: Moderate (51 - 100) AQI: Unhealthy for Sensitive Groups (101 - 150) AQI: Unhealthy (151 - 200) AQI: Very Unhealthy (201 - 300) AQI: Hazardous(301 - 500)

 
 

Levels of Health Concern

Numerical
Value

Meaning

Good
0 to 50
Air quality is considered satisfactory, and air pollution poses little or no risk
Moderate
51 to 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 Sensitive Groups
101 to 150
Members of sensitive groups may experience health effects. The general public is not likely to be affected.
Unhealthy
151 to 200
Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects.
Very Unhealthy
201 to 300
Health alert: everyone may experience more serious health effects
Hazardous
301 to 500
Health warnings of emergency conditions. The entire population is more likely to be affected.

Air Quality Index Archives (available via www.AIRNow.gov)

Last updated: 5/8/2014 2:11:22 PM