CAPCOG San Marcos Staples Road Air Quality

Monitoring Station · San Marcos, United States
68
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
71 6pm
68
60
60 9pm
60
60
60 12am
60
60
60 3am
60
60
60 6am
60
60
— 9am
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— 12pm
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Station readings
71
68
CAMS model adj +6
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54

Air Quality Forecast (24h)

PM2.520.3 µg/m³ ×1.4 WHO
Moderate
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Gas Pollutants

O₃
40.0
µg/m³

Nearby Monitoring Stations

-
New Braunfels Oak Run Parkway
28.3 km

Nearby Cities

68 San Marcos 54 Kyle 63 New Braunfels 38 Canyon Lake 64 Seguin 69 Cibolo 71 Schertz 59 Austin 71 Universal City

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T21:45 UTC.