Stay updated with real-time air quality in Stillwater, Oklahoma 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)
64
Moderate
Stillwater, Oklahoma
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
15.88 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
32.47 μg/m³
0
55
155
255
425
605+
10.42 ppb
0
55
71
86
201
201+
0.46 ppb
0
36
76
186
605
1005+
5.26 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Stillwater, Oklahoma
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AQI 60
Moderate
14.16μg/m³
PM2.5
37.87μg/m³
PM10
17.84ppb
O3
0.51ppb
SO2
5.57ppb
NO2
0.29ppm
CO
AQI 64
Moderate
16.33μg/m³
PM2.5
23.75μg/m³
PM10
10.43ppb
O3
0.52ppb
SO2
5.95ppb
NO2
0.30ppm
CO
AQI 81
Moderate
25.20μg/m³
PM2.5
37.00μg/m³
PM10
15.99ppb
O3
0.52ppb
SO2
4.79ppb
NO2
0.26ppm
CO
AQI 75
Moderate
21.59μg/m³
PM2.5
41.01μg/m³
PM10
12.74ppb
O3
0.49ppb
SO2
5.27ppb
NO2
0.29ppm
CO
AQI 58
Moderate
13.05μg/m³
PM2.5
47.41μg/m³
PM10
15.88ppb
O3
0.60ppb
SO2
4.71ppb
NO2
0.28ppm
CO
AQI 69
Moderate
19.01μg/m³
PM2.5
33.07μg/m³
PM10
11.68ppb
O3
0.51ppb
SO2
5.49ppb
NO2
0.29ppm
CO
Air quality data and pollutant measurements for Oklahoma, 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 Stillwater, Oklahoma is updated every hour.
The worst air quality in Stillwater, Oklahoma in the last 24 hours was observed at 07:00:00 on 2025-12-07.
In the last 24 hrs, the best air quality in Stillwater, Oklahoma was observed at 03:00:00 on 2025-12-06.
The current air quality in Stillwater, Oklahoma is 64, categorized as Moderate based on real-time data.
The most common pollutant in Stillwater, Oklahoma is PM2.5.
If the air quality in Stillwater, Oklahoma is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Stillwater, Oklahoma is 15.877 μg/m3.
The current PM10 concentration at Stillwater, Oklahoma is 32.474 μg/m3.
The current carbon monoxide (CO) concentration at Stillwater, Oklahoma is 0.27 ppm.
The current sulfur dioxide (SO2) concentration at Stillwater, Oklahoma is 0.458 ppb.
The current ozone (O3) concentration at Stillwater, Oklahoma is 10.423 ppm.
The current nitrogen dioxide (NO2) concentration at Stillwater, Oklahoma is 5.259 ppb.
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