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)
64
Moderate
Newcastle, Oklahoma
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
16.41 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
43.39 μg/m³
0
55
155
255
425
605+
14.20 ppb
0
55
71
86
201
201+
0.53 ppb
0
36
76
186
605
1005+
5.39 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Newcastle, Oklahoma
Newcastle, Oklahoma
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AQI 66
Moderate
16.72μg/m³
PM2.5
24.16μg/m³
PM10
10.51ppb
O3
0.51ppb
SO2
5.43ppb
NO2
0.29ppm
CO
AQI 73
Moderate
21.33μg/m³
PM2.5
48.61μg/m³
PM10
9.61ppb
O3
0.51ppb
SO2
5.26ppb
NO2
0.29ppm
CO
AQI 62
Moderate
14.70μg/m³
PM2.5
27.08μg/m³
PM10
16.30ppb
O3
0.54ppb
SO2
5.69ppb
NO2
0.29ppm
CO
AQI 73
Moderate
21.41μg/m³
PM2.5
49.20μg/m³
PM10
13.59ppb
O3
0.51ppb
SO2
5.47ppb
NO2
0.29ppm
CO
AQI 69
Moderate
19.01μg/m³
PM2.5
33.07μg/m³
PM10
11.68ppb
O3
0.51ppb
SO2
5.49ppb
NO2
0.29ppm
CO
AQI 62
Moderate
14.68μg/m³
PM2.5
20.97μg/m³
PM10
9.79ppb
O3
0.53ppb
SO2
5.96ppb
NO2
0.30ppm
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 07:00:00 on 2025-12-07.
The best air quality in Newcastle, Oklahoma was recorded at 11:00:00 on 2025-12-06.
The real-time air quality index in Newcastle, Oklahoma is 64, currently categorized as Moderate.
The most common pollutant in Newcastle, Oklahoma is PM2.5.
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 16.408 μg/m3.
The current PM10 levels in Newcastle, Oklahoma are 43.388 μg/m3.
The current carbon monoxide (CO) level in Newcastle, Oklahoma is 0.29 ppm.
The current sulfur dioxide (SO2) levels in Newcastle, Oklahoma are 0.529 ppb.
The current ozone (O3) levels at Newcastle, Oklahoma is 14.204 ppm.
The current nitrogen dioxide (NO2) levels at Newcastle, Oklahoma is 5.391 ppb.
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