Stay updated with real-time air quality in San Juan City, 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)
38
Good
San Juan City, Texas
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
6.81 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.77 μg/m³
0
55
155
255
425
605+
13.19 ppb
0
55
71
86
201
201+
0.79 ppb
0
36
76
186
605
1005+
4.25 ppb
0
54
101
361
1250
2050+
0.31 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
San Juan City, Texas
San Juan City, Texas
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AQI 38
Good
6.81μg/m³
PM2.5
26.77μg/m³
PM10
13.19ppb
O3
0.79ppb
SO2
4.25ppb
NO2
0.31ppm
CO
AQI 38
Good
6.98μg/m³
PM2.5
23.79μg/m³
PM10
12.45ppb
O3
0.79ppb
SO2
4.26ppb
NO2
0.31ppm
CO
AQI 38
Good
6.80μg/m³
PM2.5
27.06μg/m³
PM10
13.21ppb
O3
0.79ppb
SO2
4.25ppb
NO2
0.31ppm
CO
AQI 38
Good
7.13μg/m³
PM2.5
21.05μg/m³
PM10
11.76ppb
O3
0.79ppb
SO2
4.27ppb
NO2
0.31ppm
CO
AQI 38
Good
7.28μg/m³
PM2.5
30.97μg/m³
PM10
14.41ppb
O3
0.79ppb
SO2
4.24ppb
NO2
0.31ppm
CO
AQI 38
Good
6.61μg/m³
PM2.5
29.84μg/m³
PM10
14.07ppb
O3
0.79ppb
SO2
4.24ppb
NO2
0.31ppm
CO
Air quality data and pollutant measurements for Texas, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for San Juan City, Texas is updated every hour.
The worst air quality in San Juan City, Texas in the last 24 hours was observed at 08:00:00 on 2025-06-04.
In the last 24 hrs, the best air quality in San Juan City, Texas was observed at 03:00:00 on 2025-06-04.
The current air quality in San Juan City, Texas is 38, categorized as Good based on real-time data.
The most common pollutant in San Juan City, Texas is PM2.5.
If the air quality in San Juan City, Texas is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at San Juan City, Texas is 6.809 μg/m3.
The current PM10 concentration at San Juan City, Texas is 26.775 μg/m3.
The current carbon monoxide (CO) concentration at San Juan City, Texas is 0.312 ppm.
The current sulfur dioxide (SO2) concentration at San Juan City, Texas is 0.787 ppb.
The current ozone (O3) concentration at San Juan City, Texas is 13.192 ppm.
The current nitrogen dioxide (NO2) concentration at San Juan City, Texas is 4.248 ppb.
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