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)
73
Moderate
Duncan, Oklahoma
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
21.23 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
34.11 μg/m³
0
55
155
255
425
605+
29.59 ppb
0
55
71
86
201
201+
0.58 ppb
0
36
76
186
605
1005+
1.88 ppb
0
54
101
361
1250
2050+
0.37 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Duncan, Oklahoma
Duncan, Oklahoma
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AQI 60
Moderate
14.39μg/m³
PM2.5
18.12μg/m³
PM10
35.94ppb
O3
0.57ppb
SO2
1.90ppb
NO2
0.37ppm
CO
AQI 73
Moderate
20.91μg/m³
PM2.5
34.23μg/m³
PM10
31.24ppb
O3
0.58ppb
SO2
1.81ppb
NO2
0.37ppm
CO
AQI 94
Moderate
32.43μg/m³
PM2.5
135.56μg/m³
PM10
28.68ppb
O3
0.19ppb
SO2
0.94ppb
NO2
0.17ppm
CO
AQI 96
Moderate
33.33μg/m³
PM2.5
143.53μg/m³
PM10
27.57ppb
O3
0.16ppb
SO2
0.92ppb
NO2
0.15ppm
CO
AQI 49
Good
9.21μg/m³
PM2.5
21.06μg/m³
PM10
20.09ppb
O3
0.60ppb
SO2
2.80ppb
NO2
0.38ppm
CO
AQI 71
Moderate
19.70μg/m³
PM2.5
34.24μg/m³
PM10
29.09ppb
O3
0.59ppb
SO2
1.76ppb
NO2
0.37ppm
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 01:00:00, 2025-06-04.
The best air quality in Duncan, Oklahoma was observed at 09:00:00 on 2025-06-04.
The air quality in Duncan, Oklahoma right now is Moderate, with an AQI of 73.
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 21.235 μg/m3.
Duncan, Oklahoma currently has a PM10 concentration of 34.109 μg/m3.
The current carbon monoxide (CO) level in Duncan, Oklahoma is 0.372 ppm.
The current sulfur dioxide (SO2) concentration in Duncan, Oklahoma is 0.585 ppb.
Duncan, Oklahoma currently has an ozone (O3) concentration of 29.586 ppm.
The current level of nitrogen dioxide (NO2) in Duncan, Oklahoma is 1.879 ppb.
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