Stay updated with real-time air quality in Newcastle, 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)
84
Moderate
Newcastle, Oklahoma
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.31 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
38.80 μg/m³
0
55
155
255
425
605+
64.90 ppb
0
55
71
86
201
201+
0.94 ppb
0
36
76
186
605
1005+
13.98 ppb
0
54
101
361
1250
2050+
0.55 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Newcastle, Oklahoma
Newcastle, Oklahoma
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AQI 80
Moderate
9.83μg/m³
PM2.5
44.10μg/m³
PM10
63.99ppb
O3
0.94ppb
SO2
12.90ppb
NO2
0.56ppm
CO
AQI 84
Moderate
9.30μg/m³
PM2.5
38.82μg/m³
PM10
64.69ppb
O3
0.93ppb
SO2
12.65ppb
NO2
0.53ppm
CO
AQI 90
Moderate
11.91μg/m³
PM2.5
54.97μg/m³
PM10
67.40ppb
O3
0.95ppb
SO2
14.58ppb
NO2
0.59ppm
CO
AQI 80
Moderate
9.17μg/m³
PM2.5
34.83μg/m³
PM10
63.69ppb
O3
0.95ppb
SO2
12.04ppb
NO2
0.55ppm
CO
AQI 74
Moderate
10.05μg/m³
PM2.5
42.74μg/m³
PM10
61.78ppb
O3
0.96ppb
SO2
12.42ppb
NO2
0.56ppm
CO
AQI 84
Moderate
12.67μg/m³
PM2.5
56.69μg/m³
PM10
65.16ppb
O3
0.96ppb
SO2
21.28ppb
NO2
0.67ppm
CO
Air quality measurements for Oklahoma, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Newcastle, Oklahoma is updated on an hourly basis.
The worst air quality in Newcastle, Oklahoma was recorded at 08:00:00 on 2026-10-22.
The best air quality in Newcastle, Oklahoma was recorded at 04:00:00 on 2026-10-22.
The real-time air quality index in Newcastle, Oklahoma is 84, currently categorized as Moderate.
The most common pollutant in Newcastle, Oklahoma is O3.
If the air quality in Newcastle, Oklahoma is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Newcastle, Oklahoma at present are 9.315 μg/m3.
The current PM10 levels in Newcastle, Oklahoma are 38.796 μg/m3.
The current carbon monoxide (CO) level in Newcastle, Oklahoma is 0.55 ppm.
The current sulfur dioxide (SO2) levels in Newcastle, Oklahoma are 0.936 ppb.
The current ozone (O3) levels at Newcastle, Oklahoma is 64.897 ppm.
The current nitrogen dioxide (NO2) levels at Newcastle, Oklahoma is 13.981 ppb.
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