Stay updated with real-time air quality in Duncan, 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)
22
Good
Duncan, Oklahoma
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.10 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.25 μg/m³
0
55
155
255
425
605+
14.78 ppb
0
55
71
86
201
201+
0.93 ppb
0
36
76
186
605
1005+
10.15 ppb
0
54
101
361
1250
2050+
0.40 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Duncan, Oklahoma
Duncan, Oklahoma
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AQI 33
Good
5.88μg/m³
PM2.5
28.88μg/m³
PM10
13.14ppb
O3
0.93ppb
SO2
11.46ppb
NO2
0.40ppm
CO
AQI 22
Good
4.48μg/m³
PM2.5
17.97μg/m³
PM10
17.73ppb
O3
0.94ppb
SO2
6.35ppb
NO2
0.41ppm
CO
AQI 18
Good
3.48μg/m³
PM2.5
15.57μg/m³
PM10
19.12ppb
O3
0.28ppb
SO2
6.16ppb
NO2
0.17ppm
CO
AQI 19
Good
3.10μg/m³
PM2.5
13.63μg/m³
PM10
20.27ppb
O3
0.24ppb
SO2
6.25ppb
NO2
0.16ppm
CO
AQI 18
Good
3.25μg/m³
PM2.5
9.74μg/m³
PM10
18.82ppb
O3
0.92ppb
SO2
15.45ppb
NO2
0.38ppm
CO
AQI 27
Good
5.25μg/m³
PM2.5
23.95μg/m³
PM10
14.03ppb
O3
0.94ppb
SO2
18.72ppb
NO2
0.42ppm
CO
The air quality data for Oklahoma, 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 Duncan, Oklahoma are available every hour.
Duncan, Oklahoma experienced its worst air quality at 12:00:00, 2025-10-22.
The best air quality in Duncan, Oklahoma was observed at 08:00:00 on 2025-10-22.
The air quality in Duncan, Oklahoma right now is Good, with an AQI of 22.
In Duncan, Oklahoma, PM2.5 is the most frequently found pollutant.
When air quality in Duncan, Oklahoma is compromised, staying indoors and wearing a mask can reduce health risks.
Duncan, Oklahoma currently has a PM2.5 concentration of 4.103 μg/m3.
Duncan, Oklahoma currently has a PM10 concentration of 16.255 μg/m3.
The current carbon monoxide (CO) level in Duncan, Oklahoma is 0.396 ppm.
The current sulfur dioxide (SO2) concentration in Duncan, Oklahoma is 0.93 ppb.
Duncan, Oklahoma currently has an ozone (O3) concentration of 14.778 ppm.
The current level of nitrogen dioxide (NO2) in Duncan, Oklahoma is 10.147 ppb.
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