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Houston-Galveston-Brazoria Air Quality Index

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Realtime Air Quality Data
Realtime Location: Houston-Galveston-Brazoria, TX
Issue Date: 08/25/25 9:00 AM CDT

Current Air Quality Index

Moderate 86


Action Day Alert:
Ozone Action Day called for Houston-Galveston-Brazoria, TX.
Realtime AQI - Pollutant Details
Type: Particle Pollution (2.5 microns)
Index: Moderate
AQI Value: 86		 Moderate

Type: Ozone Good - 39 AQI - Particle Pollution (10 microns)
Index: Good
AQI Value: 36
Good

Last Update:Mon, 25 Aug 2025 08:30:01 CST


0-50 Good
51-100 Moderate
101-150 Unhealthy for Sensitive Groups
151-200 Unhealthy
201-300 Very Unhealthy
301-500 Hazardous


Air Quality Forecast
Forecast Location: Houston-Galveston-Brazoria, TX
Forecast Agency: Texas Commission on Environmental Quality
Two Day Forecast
Day One Forecast Day Two Forecast
Date: 08/25/2025
Type: Ozone
Index: Unhealthy for Sensitive Groups
AQI Value: 101-150

Unhealthy for Sensitive Groups
Date: 08/26/2025
Type: Ozone
Index: Moderate
AQI Value: 51-100

Moderate
Last Update:Mon, 25 Aug 2025 08:30:04 CST
Script courtesy of  Michael Holden of Relay Weather. Data courtesy of Airnow.gov



Current Hourly Air Quality Index Map
AQI: Good AQI: Moderate AQI: Unhealthy for Sensitive Groups AQI: Unhealthy AQI: Very Unhealthy AQI: Hazardous


Today's Air Quality Forecast
AQI: Good AQI: Moderate AQI: Unhealthy for Sensitive Groups AQI: Unhealthy AQI: Very Unhealthy AQI: Hazardous


Today's Air Quality Timed Animation
AQI: Good AQI: Moderate AQI: Unhealthy for Sensitive Groups AQI: Unhealthy AQI: Very Unhealthy AQI: Hazardous


Script courtesy of  Michael Holden of Relay Weather. Data courtesy of Airnow.gov