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
4.72 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.82 μg/m³
0
55
155
255
425
605+
14.12 ppb
0
55
71
86
201
201+
0.63 ppb
0
36
76
186
605
1005+
14.16 ppb
0
54
101
361
1250
2050+
0.80 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Castleford, West Yorkshire
Castleford, West Yorkshire
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AQI 27
Good
4.55μg/m³
PM2.5
11.89μg/m³
PM10
10.64ppb
O3
0.74ppb
SO2
21.12ppb
NO2
1.01ppm
CO
AQI 38
Good
7.38μg/m³
PM2.5
9.14μg/m³
PM10
10.44ppb
O3
0.68ppb
SO2
22.09ppb
NO2
1.01ppm
CO
AQI 22
Good
3.70μg/m³
PM2.5
10.96μg/m³
PM10
10.80ppb
O3
0.74ppb
SO2
16.94ppb
NO2
1.01ppm
CO
AQI 19
Good
3.39μg/m³
PM2.5
11.48μg/m³
PM10
10.71ppb
O3
0.74ppb
SO2
19.96ppb
NO2
1.01ppm
CO
AQI 38
Good
7.38μg/m³
PM2.5
9.14μg/m³
PM10
10.44ppb
O3
0.68ppb
SO2
22.09ppb
NO2
1.01ppm
CO
AQI 22
Good
3.56μg/m³
PM2.5
5.03μg/m³
PM10
3.79ppb
O3
0.47ppb
SO2
13.77ppb
NO2
1.01ppm
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 06:00:00 on 2026-02-11.
The best air quality in Castleford, West Yorkshire was recorded at 11:00:00 on 2026-02-11.
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 4.724 μg/m3.
The current PM10 levels in Castleford, West Yorkshire are 19.82 μg/m3.
The current carbon monoxide (CO) level in Castleford, West Yorkshire is 0.803 ppm.
The current sulfur dioxide (SO2) levels in Castleford, West Yorkshire are 0.627 ppb.
The current ozone (O3) levels at Castleford, West Yorkshire is 14.124 ppm.
The current nitrogen dioxide (NO2) levels at Castleford, West Yorkshire is 14.156 ppb.
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