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)
54
Moderate
Newcastle, Oklahoma
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.40 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
50.67 μg/m³
0
55
155
255
425
605+
53.15 ppb
0
55
71
86
201
201+
0.42 ppb
0
36
76
186
605
1005+
0.63 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Newcastle, Oklahoma
Newcastle, Oklahoma
Scroll To Air Quality MapLoading...
AQI 54
Moderate
11.42μg/m³
PM2.5
50.95μg/m³
PM10
51.76ppb
O3
0.41ppb
SO2
0.59ppb
NO2
0.22ppm
CO
AQI 54
Moderate
11.22μg/m³
PM2.5
49.89μg/m³
PM10
51.69ppb
O3
0.41ppb
SO2
0.56ppb
NO2
0.22ppm
CO
AQI 58
Moderate
12.03μg/m³
PM2.5
54.10μg/m³
PM10
56.68ppb
O3
0.41ppb
SO2
0.62ppb
NO2
0.22ppm
CO
AQI 56
Moderate
12.08μg/m³
PM2.5
54.33μg/m³
PM10
54.02ppb
O3
0.41ppb
SO2
0.60ppb
NO2
0.22ppm
CO
AQI 56
Moderate
12.08μg/m³
PM2.5
54.24μg/m³
PM10
53.93ppb
O3
0.41ppb
SO2
0.57ppb
NO2
0.22ppm
CO
AQI 71
Moderate
12.95μg/m³
PM2.5
58.19μg/m³
PM10
60.54ppb
O3
0.43ppb
SO2
0.74ppb
NO2
0.22ppm
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 2026-07-23.
The best air quality in Newcastle, Oklahoma was recorded at 08:00:00 on 2026-07-23.
The real-time air quality index in Newcastle, Oklahoma is 54, 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 11.396 μg/m3.
The current PM10 levels in Newcastle, Oklahoma are 50.666 μg/m3.
The current carbon monoxide (CO) level in Newcastle, Oklahoma is 0.221 ppm.
The current sulfur dioxide (SO2) levels in Newcastle, Oklahoma are 0.423 ppb.
The current ozone (O3) levels at Newcastle, Oklahoma is 53.152 ppm.
The current nitrogen dioxide (NO2) levels at Newcastle, Oklahoma is 0.633 ppb.
All Rights Reserved © Ambee Inc. 2025