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)
60
Moderate
Newcastle, Oklahoma
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
14.18 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
28.97 μg/m³
0
55
155
255
425
605+
21.73 ppb
0
55
71
86
201
201+
0.53 ppb
0
36
76
186
605
1005+
4.31 ppb
0
54
101
361
1250
2050+
0.45 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 66
Moderate
17.20μg/m³
PM2.5
29.88μg/m³
PM10
22.99ppb
O3
0.56ppb
SO2
2.02ppb
NO2
0.33ppm
CO
AQI 60
Moderate
14.50μg/m³
PM2.5
25.25μg/m³
PM10
23.04ppb
O3
0.56ppb
SO2
1.94ppb
NO2
0.32ppm
CO
AQI 58
Moderate
13.22μg/m³
PM2.5
24.97μg/m³
PM10
23.53ppb
O3
0.55ppb
SO2
2.12ppb
NO2
0.35ppm
CO
AQI 58
Moderate
13.32μg/m³
PM2.5
24.98μg/m³
PM10
22.22ppb
O3
0.56ppb
SO2
1.95ppb
NO2
0.33ppm
CO
AQI 60
Moderate
13.74μg/m³
PM2.5
25.94μg/m³
PM10
22.36ppb
O3
0.56ppb
SO2
1.90ppb
NO2
0.33ppm
CO
AQI 56
Moderate
12.32μg/m³
PM2.5
23.58μg/m³
PM10
22.72ppb
O3
0.56ppb
SO2
2.74ppb
NO2
0.39ppm
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 09:00:00 on 2026-06-08.
The best air quality in Newcastle, Oklahoma was recorded at 01:00:00 on 2026-06-07.
The real-time air quality index in Newcastle, Oklahoma is 60, 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 14.178 μg/m3.
The current PM10 levels in Newcastle, Oklahoma are 28.97 μg/m3.
The current carbon monoxide (CO) level in Newcastle, Oklahoma is 0.448 ppm.
The current sulfur dioxide (SO2) levels in Newcastle, Oklahoma are 0.527 ppb.
The current ozone (O3) levels at Newcastle, Oklahoma is 21.734 ppm.
The current nitrogen dioxide (NO2) levels at Newcastle, Oklahoma is 4.306 ppb.
All Rights Reserved © Ambee Inc. 2025