Stay updated with real-time air quality in San Antonio, Texas featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
62
Moderate
San Antonio, Texas
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
14.84 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
63.49 μg/m³
0
55
155
255
425
605+
20.47 ppb
0
55
71
86
201
201+
2.83 ppb
0
36
76
186
605
1005+
6.00 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
San Antonio, Texas
San Antonio, Texas
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AQI 62
Moderate
14.56μg/m³
PM2.5
64.29μg/m³
PM10
17.54ppb
O3
2.84ppb
SO2
6.01ppb
NO2
0.27ppm
CO
AQI 64
Moderate
16.23μg/m³
PM2.5
66.92μg/m³
PM10
23.19ppb
O3
2.84ppb
SO2
5.99ppb
NO2
0.27ppm
CO
AQI 66
Moderate
17.38μg/m³
PM2.5
73.01μg/m³
PM10
23.66ppb
O3
2.83ppb
SO2
5.99ppb
NO2
0.27ppm
CO
AQI 64
Moderate
16.29μg/m³
PM2.5
65.32μg/m³
PM10
23.60ppb
O3
2.84ppb
SO2
5.99ppb
NO2
0.27ppm
CO
AQI 64
Moderate
15.76μg/m³
PM2.5
59.12μg/m³
PM10
23.88ppb
O3
2.84ppb
SO2
5.99ppb
NO2
0.27ppm
CO
AQI 62
Moderate
15.14μg/m³
PM2.5
54.50μg/m³
PM10
25.16ppb
O3
2.95ppb
SO2
5.98ppb
NO2
0.27ppm
CO
Air quality and pollutant data for Texas, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for San Antonio, Texas is updated every hour for accuracy.
In the past 24 hours, the air quality in San Antonio, Texas was at its worst at 07:00:00 on 2025-06-06.
In the last 24 hours, the best air quality in San Antonio, Texas was observed at 08:00:00 on 2025-06-06.
As of now, the AQI in San Antonio, Texas is 62, indicating Moderate conditions.
San Antonio, Texas air has the highest levels of PM2.5.
Poor air quality in San Antonio, Texas means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in San Antonio, Texas are currently 14.836 μg/m3.
The PM10 concentration in San Antonio, Texas is 63.486 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in San Antonio, Texas is 0.268 ppm.
Currently, San Antonio, Texas has a sulfur dioxide (SO2) concentration of 2.83 ppb.
The current ozone (O3) level in San Antonio, Texas at the moment is 20.468 ppm.
Nitrogen dioxide (NO2) level in San Antonio, Texas at the moment is 6.004 ppb.
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