Air Quality in San Antonio, United States

Windy
35.1°C · 32.9% humidity
35.1°
Feels 35.1°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
9 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
20 5pm
20
22
18 8pm
22
22
22 11pm
22
22
22 2am
22
22
22 5am
22
22
22 8am
22
22
29 11am
29
29
29 2pm
29
29
Station readings
11
25
22
CAMS model adj -5
25
25
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
34
34
34
34
34
34
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.

32.9%
Humidity
65.1 km/h
Wind SE
1009.8 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
18
4.26 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
PM2.54.26 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (9 stations within 25 km)
4.26
Median
6.87
Average
1.9
Low
11.5
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +2.0

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
4
San Antonio Interstate 35
15.3 km PM2.5: 1.0 µg/m³
6
San Antonio Northwest, San Antonio, Texas
15.9 km PM2.5: 1.4 µg/m³
22
united-states-of-america-hollywood-park-pinetree-lane
15.9 km PM2.5: 5.2 µg/m³ PM10: 8.6 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
36
San Antonio Red Hill Lane
23.7 km PM2.5: 8.7 µg/m³
57
Calaveras Lake, San Antonio, Texas
24.2 km PM2.5: 15.0 µg/m³
25
San Antonio Bulverde Parkway
24.6 km PM2.5: 6.1 µg/m³ PM10: 13.2 µg/m³

What cities are near San Antonio?

30 Converse 29 Live Oak 29 Universal City 28 Schertz 27 Cibolo 39 New Braunfels 41 Seguin 21 Canyon Lake 37 San Marcos 16 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 2026-06-09T01:04 UTC.