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
10.74 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
39.30 μg/m³
0
55
155
255
425
605+
33.64 ppb
0
55
71
86
201
201+
0.86 ppb
0
36
76
186
605
1005+
6.98 ppb
0
54
101
361
1250
2050+
0.41 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Newcastle, Oklahoma
Newcastle, Oklahoma
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AQI 56
Moderate
12.26μg/m³
PM2.5
54.50μg/m³
PM10
30.09ppb
O3
0.89ppb
SO2
6.92ppb
NO2
0.42ppm
CO
AQI 52
Moderate
10.34μg/m³
PM2.5
35.12μg/m³
PM10
32.82ppb
O3
0.85ppb
SO2
7.15ppb
NO2
0.42ppm
CO
AQI 54
Moderate
10.60μg/m³
PM2.5
39.10μg/m³
PM10
34.33ppb
O3
0.90ppb
SO2
6.69ppb
NO2
0.40ppm
CO
AQI 56
Moderate
11.71μg/m³
PM2.5
29.34μg/m³
PM10
33.79ppb
O3
0.91ppb
SO2
6.84ppb
NO2
0.44ppm
CO
AQI 54
Moderate
11.41μg/m³
PM2.5
35.08μg/m³
PM10
33.50ppb
O3
0.91ppb
SO2
6.70ppb
NO2
0.44ppm
CO
AQI 49
Good
8.75μg/m³
PM2.5
35.33μg/m³
PM10
34.33ppb
O3
0.93ppb
SO2
6.13ppb
NO2
0.33ppm
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 10:00:00 on 2026-09-07.
The best air quality in Newcastle, Oklahoma was recorded at 03:00:00 on 2026-09-07.
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 10.74 μg/m3.
The current PM10 levels in Newcastle, Oklahoma are 39.295 μg/m3.
The current carbon monoxide (CO) level in Newcastle, Oklahoma is 0.407 ppm.
The current sulfur dioxide (SO2) levels in Newcastle, Oklahoma are 0.865 ppb.
The current ozone (O3) levels at Newcastle, Oklahoma is 33.638 ppm.
The current nitrogen dioxide (NO2) levels at Newcastle, Oklahoma is 6.981 ppb.
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