AIRNow Home >> Texas >> Houston-Galveston-Brazoria
 
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AQI Animation - http://www.epa.gov/airnow/2013/20130118/anim_aqi_houston_tx.gif
Peak AQI - http://www.epa.gov/airnow/2013/20130118/peak_aqi_houston_tx.jpg
Peak Ozone (8-hour) - http://www.epa.gov/airnow/2013/20130118/peak_o3_houston_tx.jpg
Peak Particles PM<sub>2.5</sub> (24-hour) - http://www.epa.gov/airnow/2013/20130118/peak_pm25_houston_tx.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) Action DayAction Day
 
Local Air Quality Resources
Ozone Warnings
 
State Air Quality Resources
American Lung Association (ALA) of Texas
Inter-Tribal Environmental Council
Outdoor Burning in Texas
Quemar al Aire Libre en Texas
Texas Air Quality Index Program
Texas Commission on Environmental Quality (TCEQ)
Texas Commission on Environmental Quality (TCEQ) - Air Quality
Texas Commission on Environmental Quality (TCEQ) Contacts
Today's Ozone Forecasts
Daily Peaks
Friday, January 18, 2013
Particles PM2.5
49 
 Good
Ozone
38 
 Good
select another date to see peak data and maps:
Note: peak data are available beginning August 1, 2010.

Other Information
Current Conditions and Forecasts
Air Quality Maps Archives (by region)