Air Quality in San Antonio, United States

Cloudy
25.1°C · 78.6% humidity
25.1°
Feels 25.1°
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
8 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
17 7pm
17
17
21 10pm
17
17
17 1am
17
17
17 4am
17
17
17 7am
17
17
17 10am
24
24
24 1pm
24
24
24 4pm
17
17
Station readings
22
19
18
CAMS model adj -10
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
34
34
34
34
34
34
27
27
AD 728×90

Air Quality Index Trend

47h · 1 stn

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.

78.6%
Humidity
36.2 km/h
Wind SSE
1012.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
21
5.01 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for San Antonio?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.55.01 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (8 stations within 25 km)
5.01
Median
6.77
Average
3.6
Low
10.5
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +1.2

What is the 7-day forecast for San Antonio?

06-09
35.1° 20.1°
0.56 mm
06-10
30.6° 23.1°
0.63 mm
06-11
32.8° 24.2°
06-12
33.3° 23.8°
0.06 mm
06-13
31.7° 23.4°
06-14
34.0° 23.8°
06-15
35.6° 23.7°
0.06 mm
Both models agree Avg diff: 1.4°C

Where are air quality stations near San Antonio?

28
CPS Pecan Valley, San Antonio, Texas
6.3 km PM2.5: 6.7 µg/m³
30
CPS Pecan Valley, San Antonio, Texas
6.3 km PM2.5: 7.2 µg/m³
46
San Antonio Interstate 35
15.3 km PM2.5: 11.0 µg/m³
53
San Antonio Northwest, San Antonio, Texas
15.9 km PM2.5: 13.1 µg/m³
18
united-states-of-america-hollywood-park-pinetree-lane
15.9 km PM2.5: 4.2 µg/m³ PM10: 5.3 µg/m³
9
Heritage Middle School, San Antonio, Texas
17.5 km PM2.5: 2.2 µg/m³
7
Heritage Middle School, San Antonio, Texas
17.5 km PM2.5: 1.7 µg/m³
37
San Antonio Red Hill Lane
23.7 km PM2.5: 8.8 µg/m³
33
Calaveras Lake, San Antonio, Texas
24.2 km PM2.5: 7.9 µg/m³
37
San Antonio Bulverde Parkway
24.6 km PM2.5: 8.9 µg/m³ PM10: 25.3 µg/m³

What cities are near San Antonio?

34 Converse 35 Live Oak 32 Universal City 32 Schertz 35 Cibolo 43 New Braunfels 43 Seguin 29 Canyon Lake 34 San Marcos 42 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 2026-06-09T03:06 UTC.