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)
56
Moderate
San Antonio, Texas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.79 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
56.61 μg/m³
0
55
155
255
425
605+
22.59 ppb
0
55
71
86
201
201+
0.97 ppb
0
36
76
186
605
1005+
11.10 ppb
0
54
101
361
1250
2050+
0.38 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 56
Moderate
12.00μg/m³
PM2.5
55.46μg/m³
PM10
16.57ppb
O3
1.19ppb
SO2
7.87ppb
NO2
0.33ppm
CO
AQI 60
Moderate
13.59μg/m³
PM2.5
67.49μg/m³
PM10
25.53ppb
O3
1.19ppb
SO2
7.81ppb
NO2
0.33ppm
CO
AQI 60
Moderate
14.41μg/m³
PM2.5
69.33μg/m³
PM10
25.34ppb
O3
1.19ppb
SO2
7.80ppb
NO2
0.33ppm
CO
AQI 60
Moderate
14.10μg/m³
PM2.5
72.01μg/m³
PM10
25.43ppb
O3
1.19ppb
SO2
7.81ppb
NO2
0.33ppm
CO
AQI 63
Moderate
14.56μg/m³
PM2.5
78.99μg/m³
PM10
25.16ppb
O3
1.19ppb
SO2
7.80ppb
NO2
0.33ppm
CO
AQI 58
Moderate
13.50μg/m³
PM2.5
54.07μg/m³
PM10
25.69ppb
O3
1.19ppb
SO2
7.79ppb
NO2
0.33ppm
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 2025-12-16.
In the last 24 hours, the best air quality in San Antonio, Texas was observed at 01:00:00 on 2025-12-16.
As of now, the AQI in San Antonio, Texas is 58, 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 12.631 μg/m3.
The PM10 concentration in San Antonio, Texas is 60.949 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in San Antonio, Texas is 0.326 ppm.
Currently, San Antonio, Texas has a sulfur dioxide (SO2) concentration of 1.191 ppb.
The current ozone (O3) level in San Antonio, Texas at the moment is 20.169 ppm.
Nitrogen dioxide (NO2) level in San Antonio, Texas at the moment is 7.855 ppb.
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