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)
33
Good
Duncan, Oklahoma
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
6.17 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.96 μg/m³
0
55
155
255
425
605+
27.59 ppb
0
55
71
86
201
201+
0.49 ppb
0
36
76
186
605
1005+
1.47 ppb
0
54
101
361
1250
2050+
0.35 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
6.21μg/m³
PM2.5
19.04μg/m³
PM10
32.01ppb
O3
0.66ppb
SO2
1.78ppb
NO2
0.22ppm
CO
AQI 38
Good
7.05μg/m³
PM2.5
22.44μg/m³
PM10
33.74ppb
O3
0.64ppb
SO2
1.82ppb
NO2
0.23ppm
CO
AQI 44
Good
7.55μg/m³
PM2.5
32.94μg/m³
PM10
29.77ppb
O3
0.28ppb
SO2
0.51ppb
NO2
0.11ppm
CO
AQI 44
Good
7.60μg/m³
PM2.5
33.73μg/m³
PM10
28.96ppb
O3
0.22ppb
SO2
0.41ppb
NO2
0.10ppm
CO
AQI 33
Good
6.20μg/m³
PM2.5
23.08μg/m³
PM10
30.79ppb
O3
0.53ppb
SO2
1.80ppb
NO2
0.20ppm
CO
AQI 38
Good
7.12μg/m³
PM2.5
22.88μg/m³
PM10
32.75ppb
O3
0.62ppb
SO2
1.86ppb
NO2
0.24ppm
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 08:00:00, 2025-07-18.
The best air quality in Duncan, Oklahoma was observed at 04:00:00 on 2025-07-19.
The air quality in Duncan, Oklahoma right now is Good, with an AQI of 38.
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 6.758 μg/m3.
Duncan, Oklahoma currently has a PM10 concentration of 21.541 μg/m3.
The current carbon monoxide (CO) level in Duncan, Oklahoma is 0.217 ppm.
The current sulfur dioxide (SO2) concentration in Duncan, Oklahoma is 0.644 ppb.
Duncan, Oklahoma currently has an ozone (O3) concentration of 26.056 ppm.
The current level of nitrogen dioxide (NO2) in Duncan, Oklahoma is 1.796 ppb.
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