Stay updated with real-time air quality in Stephenville, 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)
47
Good
Stephenville, Texas
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
6.18 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.85 μg/m³
0
55
155
255
425
605+
50.71 ppb
0
55
71
86
201
201+
0.47 ppb
0
36
76
186
605
1005+
2.95 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Stephenville, Texas
Stephenville, Texas
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AQI 52
Moderate
9.87μg/m³
PM2.5
36.33μg/m³
PM10
48.01ppb
O3
0.89ppb
SO2
3.48ppb
NO2
0.26ppm
CO
AQI 74
Moderate
11.61μg/m³
PM2.5
33.60μg/m³
PM10
62.28ppb
O3
0.90ppb
SO2
3.56ppb
NO2
0.27ppm
CO
AQI 58
Moderate
10.75μg/m³
PM2.5
38.24μg/m³
PM10
56.70ppb
O3
0.90ppb
SO2
3.52ppb
NO2
0.27ppm
CO
AQI 52
Moderate
9.82μg/m³
PM2.5
37.98μg/m³
PM10
51.19ppb
O3
0.89ppb
SO2
3.37ppb
NO2
0.26ppm
CO
AQI 67
Moderate
9.71μg/m³
PM2.5
43.05μg/m³
PM10
60.39ppb
O3
0.89ppb
SO2
3.87ppb
NO2
0.26ppm
CO
AQI 67
Moderate
10.01μg/m³
PM2.5
43.39μg/m³
PM10
59.60ppb
O3
0.89ppb
SO2
3.93ppb
NO2
0.26ppm
CO
The air quality data for Texas, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Stephenville, Texas are available every hour.
Stephenville, Texas experienced its worst air quality at 12:00:00, 2025-09-06.
The best air quality in Stephenville, Texas was observed at 11:00:00 on 2025-09-05.
The air quality in Stephenville, Texas right now is Moderate, with an AQI of 61.
In Stephenville, Texas, O3 is the most frequently found pollutant.
When air quality in Stephenville, Texas is compromised, staying indoors and wearing a mask can reduce health risks.
Stephenville, Texas currently has a PM2.5 concentration of 9.791 μg/m3.
Stephenville, Texas currently has a PM10 concentration of 38.725 μg/m3.
The current carbon monoxide (CO) level in Stephenville, Texas is 0.262 ppm.
The current sulfur dioxide (SO2) concentration in Stephenville, Texas is 0.893 ppb.
Stephenville, Texas currently has an ozone (O3) concentration of 57.891 ppm.
The current level of nitrogen dioxide (NO2) in Stephenville, Texas is 4.2 ppb.
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