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)
38
Good
Stillwater, Oklahoma
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
6.93 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.04 μg/m³
0
55
155
255
425
605+
37.01 ppb
0
55
71
86
201
201+
0.43 ppb
0
36
76
186
605
1005+
1.30 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Stillwater, Oklahoma
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AQI 62
Moderate
15.48μg/m³
PM2.5
37.85μg/m³
PM10
22.26ppb
O3
0.44ppb
SO2
5.51ppb
NO2
0.39ppm
CO
AQI 66
Moderate
17.46μg/m³
PM2.5
50.30μg/m³
PM10
22.67ppb
O3
0.44ppb
SO2
7.79ppb
NO2
0.33ppm
CO
AQI 52
Moderate
10.20μg/m³
PM2.5
25.00μg/m³
PM10
19.73ppb
O3
0.45ppb
SO2
3.92ppb
NO2
0.33ppm
CO
AQI 66
Moderate
16.75μg/m³
PM2.5
50.84μg/m³
PM10
26.68ppb
O3
0.44ppb
SO2
6.40ppb
NO2
0.40ppm
CO
AQI 64
Moderate
15.92μg/m³
PM2.5
49.50μg/m³
PM10
18.52ppb
O3
0.46ppb
SO2
4.45ppb
NO2
0.37ppm
CO
AQI 67
Moderate
17.57μg/m³
PM2.5
52.51μg/m³
PM10
25.60ppb
O3
0.44ppb
SO2
6.64ppb
NO2
0.42ppm
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 10:00:00 on 2025-07-17.
In the last 24 hrs, the best air quality in Stillwater, Oklahoma was observed at 05:00:00 on 2025-07-17.
The current air quality in Stillwater, Oklahoma is 62, 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 14.75 μg/m3.
The current PM10 concentration at Stillwater, Oklahoma is 35.32 μg/m3.
The current carbon monoxide (CO) concentration at Stillwater, Oklahoma is 0.347 ppm.
The current sulfur dioxide (SO2) concentration at Stillwater, Oklahoma is 0.435 ppb.
The current ozone (O3) concentration at Stillwater, Oklahoma is 17.395 ppm.
The current nitrogen dioxide (NO2) concentration at Stillwater, Oklahoma is 4.915 ppb.
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