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

San Marcos

Hays County, Texas

2026-05-18 03:00

AQI (Netherlands)

Moderate

Pollutants|Pollens

PM2.5

μg/m³

24.9

O3

μg/m³

47.1

Weather

26℃

86%

41 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