Stay updated with real-time air quality in Castleford, West Yorkshire 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)
27
Good
Castleford, West Yorkshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.67 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.20 μg/m³
0
55
155
255
425
605+
27.80 ppb
0
55
71
86
201
201+
0.79 ppb
0
36
76
186
605
1005+
20.95 ppb
0
54
101
361
1250
2050+
0.31 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Castleford, West Yorkshire
Castleford, West Yorkshire
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AQI 26
Good
4.14μg/m³
PM2.5
12.38μg/m³
PM10
27.93ppb
O3
0.77ppb
SO2
11.96ppb
NO2
0.31ppm
CO
AQI 27
Good
4.67μg/m³
PM2.5
12.20μg/m³
PM10
27.80ppb
O3
0.79ppb
SO2
20.95ppb
NO2
0.31ppm
CO
AQI 27
Good
5.05μg/m³
PM2.5
15.12μg/m³
PM10
26.61ppb
O3
0.75ppb
SO2
13.52ppb
NO2
0.31ppm
CO
AQI 33
Good
5.68μg/m³
PM2.5
15.04μg/m³
PM10
27.83ppb
O3
0.80ppb
SO2
11.29ppb
NO2
0.31ppm
CO
AQI 27
Good
4.67μg/m³
PM2.5
12.20μg/m³
PM10
27.80ppb
O3
0.79ppb
SO2
20.95ppb
NO2
0.31ppm
CO
AQI 33
Good
6.19μg/m³
PM2.5
14.04μg/m³
PM10
29.33ppb
O3
1.00ppb
SO2
18.62ppb
NO2
0.31ppm
CO
Air quality measurements for West Yorkshire, UK 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 Castleford, West Yorkshire is updated on an hourly basis.
The worst air quality in Castleford, West Yorkshire was recorded at 10:00:00 on 2026-09-27.
The best air quality in Castleford, West Yorkshire was recorded at 09:00:00 on 2026-09-28.
The real-time air quality index in Castleford, West Yorkshire is 27, currently categorized as Good.
The most common pollutant in Castleford, West Yorkshire is PM2.5.
If the air quality in Castleford, West Yorkshire is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Castleford, West Yorkshire at present are 4.674 μg/m3.
The current PM10 levels in Castleford, West Yorkshire are 12.198 μg/m3.
The current carbon monoxide (CO) level in Castleford, West Yorkshire is 0.312 ppm.
The current sulfur dioxide (SO2) levels in Castleford, West Yorkshire are 0.79 ppb.
The current ozone (O3) levels at Castleford, West Yorkshire is 27.8 ppm.
The current nitrogen dioxide (NO2) levels at Castleford, West Yorkshire is 20.955 ppb.
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