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

San Marcos

Hays County, Texas

2026-04-29 23:00

CAQI (Europe)

Low

Pollutants|Pollens

PM2.5

μg/m³

15.1

O3

μg/m³

30

Weather

22℃

87%

24 kph

0 of 11

Historical Data

Places included

San Marcos Staples Rd C1675

Data Sources

http://www.airnow.gov/

Get the App

Air Matters

Realtime broadcasting air quality information on your phone for more than 180 countries.

iPhone, iPad

Android

Cities Nearby