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)
69
Moderate
Stephenville, Texas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
18.98 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
54.60 μg/m³
0
55
155
255
425
605+
21.91 ppb
0
55
71
86
201
201+
0.57 ppb
0
36
76
186
605
1005+
4.87 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Stephenville, Texas
Stephenville, Texas
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AQI 73
Moderate
20.88μg/m³
PM2.5
94.63μg/m³
PM10
12.01ppb
O3
0.56ppb
SO2
5.43ppb
NO2
0.27ppm
CO
AQI 75
Moderate
21.87μg/m³
PM2.5
91.42μg/m³
PM10
18.36ppb
O3
0.57ppb
SO2
5.43ppb
NO2
0.27ppm
CO
AQI 75
Moderate
21.73μg/m³
PM2.5
81.38μg/m³
PM10
19.54ppb
O3
0.56ppb
SO2
5.45ppb
NO2
0.27ppm
CO
AQI 62
Moderate
14.81μg/m³
PM2.5
36.38μg/m³
PM10
22.78ppb
O3
0.55ppb
SO2
5.46ppb
NO2
0.27ppm
CO
AQI 79
Moderate
23.69μg/m³
PM2.5
98.16μg/m³
PM10
19.46ppb
O3
0.54ppb
SO2
5.36ppb
NO2
0.27ppm
CO
AQI 66
Moderate
16.52μg/m³
PM2.5
69.15μg/m³
PM10
17.14ppb
O3
0.54ppb
SO2
5.34ppb
NO2
0.27ppm
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 05:00:00, 2025-12-07.
The best air quality in Stephenville, Texas was observed at 03:00:00 on 2025-12-07.
The air quality in Stephenville, Texas right now is Moderate, with an AQI of 69.
In Stephenville, Texas, PM2.5 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 18.976 μg/m3.
Stephenville, Texas currently has a PM10 concentration of 54.599 μg/m3.
The current carbon monoxide (CO) level in Stephenville, Texas is 0.269 ppm.
The current sulfur dioxide (SO2) concentration in Stephenville, Texas is 0.573 ppb.
Stephenville, Texas currently has an ozone (O3) concentration of 21.906 ppm.
The current level of nitrogen dioxide (NO2) in Stephenville, Texas is 4.866 ppb.
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