CAPCOG San Marcos Staples Road

Monitoring Station · San Marcos, United States
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
28 5pm
28
28
16 8pm
16
16
16 11pm
16
16
16 2am
28
28
28 5am
28
28
— 8am
—
—
— 11am
—
—
— 2pm
—
—
Station readings
28
CAMS model adj -9
37
37
37
25
25
25
25
25
25
25
37
37
37
37
37

Air Quality Trend (24h)

PM2.56.8 µg/m³ ✓ WHO
Good

Gas Pollutants

O₃
40.0
µg/m³

Nearby Monitoring Stations

-
New Braunfels Oak Run Parkway
28.3 km

Nearby Cities

28 San Marcos 23 Kyle 17 New Braunfels 16 Canyon Lake 23 Seguin 21 Cibolo 21 Schertz 50 Austin 21 Universal City

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T20:34 UTC.