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)
28
Good
Stillwater, Oklahoma
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.23 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
30.14 μg/m³
0
55
155
255
425
605+
13.21 ppb
0
55
71
86
201
201+
0.92 ppb
0
36
76
186
605
1005+
14.85 ppb
0
54
101
361
1250
2050+
0.39 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Stillwater, Oklahoma
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AQI 38
Good
6.55μg/m³
PM2.5
24.68μg/m³
PM10
14.90ppb
O3
0.94ppb
SO2
15.57ppb
NO2
0.43ppm
CO
AQI 33
Good
6.20μg/m³
PM2.5
25.37μg/m³
PM10
8.26ppb
O3
0.94ppb
SO2
25.45ppb
NO2
0.49ppm
CO
AQI 27
Good
5.40μg/m³
PM2.5
27.00μg/m³
PM10
22.05ppb
O3
0.96ppb
SO2
13.53ppb
NO2
0.38ppm
CO
AQI 33
Good
6.29μg/m³
PM2.5
19.53μg/m³
PM10
27.79ppb
O3
0.94ppb
SO2
18.40ppb
NO2
0.44ppm
CO
AQI 38
Good
6.68μg/m³
PM2.5
22.78μg/m³
PM10
23.78ppb
O3
0.95ppb
SO2
9.42ppb
NO2
0.40ppm
CO
AQI 33
Good
5.79μg/m³
PM2.5
21.43μg/m³
PM10
19.74ppb
O3
0.94ppb
SO2
19.07ppb
NO2
0.44ppm
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 04:00:00 on 2025-10-22.
In the last 24 hrs, the best air quality in Stillwater, Oklahoma was observed at 02:00:00 on 2025-10-21.
The current air quality in Stillwater, Oklahoma is 28, categorized as Good based on real-time data.
The most common pollutant in Stillwater, Oklahoma is PM10.
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 5.226 μg/m3.
The current PM10 concentration at Stillwater, Oklahoma is 30.136 μg/m3.
The current carbon monoxide (CO) concentration at Stillwater, Oklahoma is 0.386 ppm.
The current sulfur dioxide (SO2) concentration at Stillwater, Oklahoma is 0.922 ppb.
The current ozone (O3) concentration at Stillwater, Oklahoma is 13.206 ppm.
The current nitrogen dioxide (NO2) concentration at Stillwater, Oklahoma is 14.851 ppb.
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