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
PM2.5
18
4.26 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

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
4.26
Median
6.87
Average
1.9
Low
11.5
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +2.0
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
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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.