What is the air quality in San Antonio today?

The current Air Quality Index (AQI) in San Antonio is 38 (Good). PM2.5 concentration is 9.08 µg/m³.

What is the temperature in San Antonio right now?

The current temperature in San Antonio is 26.1°C (feels like 26.1°C). Humidity is 23.9% and wind speed is 91.9 km/h.

Is it safe to go outside in San Antonio?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in San Antonio, United States

Windy

26.1°C · 23.9% humidity

26.1°

Feels 26.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

11 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

43h · 1 stn

View full history →

San Antonio's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

23.9%

Humidity

91.9 km/h

Wind NNE

1022.2 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

9.08 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for San Antonio?

Temperature & Precipitation

PM2.5 Trend

43h · 1 station

PM2.59.08 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (11 stations within 25 km)

9.08

Median

10.29

Average

3.8

Low

17.0

High

PM2.5 µg/m³ · Model: 8.2 · Bias: -0.9

What is the 7-day forecast for San Antonio?

10-20

26.1° 11.2°

1.06 mm

10-21

24.9° 16.4°

10-22

26.8° 16.6°

10-23

27.3° 15.6°

0.62 mm

10-24

31.3° 19.9°

10-25

24.9° 16.5°

0.38 mm

10-26

27.1° 13.2°

0.62 mm

Both models agree Avg diff: 3.3°C

Where are air quality stations near San Antonio?

CPS Pecan Valley, San Antonio, Texas

6.3 km PM2.5: 6.2 µg/m³

Old Hwy 90, San Antonio, Texas

8.4 km PM2.5: 3.8 µg/m³

Old Hwy 90, San Antonio, Texas

8.4 km PM2.5: 20.7 µg/m³

San Antonio Interstate 35

15.3 km PM2.5: 15.0 µg/m³

San Antonio Northwest, San Antonio, Texas

15.9 km PM2.5: 12.0 µg/m³

united-states-of-america-hollywood-park-pinetree-lane

15.9 km PM2.5: 4.1 µg/m³ PM10: 4.1 µg/m³

Heritage Middle School, San Antonio, Texas

17.5 km PM2.5: 11.0 µg/m³

San Antonio Red Hill Lane

23.7 km PM2.5: 4.8 µg/m³

Calaveras Lake, San Antonio, Texas

24.2 km PM2.5: 13.1 µg/m³

Calaveras Lake, San Antonio, Texas

24.2 km PM2.5: 15.9 µg/m³

What cities are near San Antonio?

52 Converse 52 Live Oak 49 Universal City 47 Schertz 48 Cibolo 34 New Braunfels 33 Seguin 32 Canyon Lake 30 San Marcos 31 Kyle

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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-20T20:06 UTC.