San Marcos Real-time Air Quality Index (AQI) & Pollen Report - Air Matters

San Marcos

Hays County, Texas

2025-12-18 18:00

AQI (US)

Good

Pollutants|Pollens

PM2.5

μg/m³

2.8

Weather

25℃

41%

30 kph

3 of 11

Historical Data

Places included

San Marcos Staples Rd C1675

Data Sources

http://www.airnow.gov/

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