CAPCOG San Marcos Staples Road Air Quality

Monitoring Station · San Marcos, United States
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
23 9pm
20
15
20 12am
20
20
22 3am
22
22
22 6am
22
22
20 9am
20
20
— 12pm
—
—
— 3pm
—
—
— 6pm
—
—
Station readings
23
15
CAMS model adj -5
25
25
25
25
25
25
27
27
27
27
27
27
25
25
25

Air Quality Trend (24h)

PM2.53.6 µg/m³ ✓ WHO
Good
View city history →

Gas Pollutants

O₃
55.0
µg/m³

Nearby Monitoring Stations

-
New Braunfels Oak Run Parkway
28.3 km

Nearby Cities

15 San Marcos 15 Kyle 25 New Braunfels 15 Canyon Lake 38 Seguin 28 Cibolo 30 Schertz 65 Austin 31 Universal City

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T00:23 UTC.