Houston, TX Air Quality Index





Realtime Air Quality Data
Realtime Location: Houston-Galveston-Brazoria, TX
Issue Date: 10/04/25 3:00 AM CDT


Current Air Quality Index

  Moderate 76


Action Day Alert:
There are currently no Ozone Action Day alerts for Houston-Galveston-Brazoria, TX

Realtime AQI - Pollutant Details
Type: Particle Pollution (2.5 microns)
Index: Moderate
AQI Value: 76
  Moderate

Type: Ozone Good - 37 AQI - Particle Pollution (10 microns)
Index: Good
AQI Value: 32

  Good

Last Update:
Sat, 04 Oct 2025 03:00:00 CST