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)
56
Moderate
Castleford, West Yorkshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.18 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
33.22 μg/m³
0
55
155
255
425
605+
35.89 ppb
0
55
71
86
201
201+
1.05 ppb
0
36
76
186
605
1005+
9.46 ppb
0
54
101
361
1250
2050+
0.11 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 56
Moderate
11.81μg/m³
PM2.5
27.73μg/m³
PM10
32.98ppb
O3
0.80ppb
SO2
10.40ppb
NO2
0.11ppm
CO
AQI 56
Moderate
11.79μg/m³
PM2.5
32.77μg/m³
PM10
33.24ppb
O3
0.83ppb
SO2
10.24ppb
NO2
0.11ppm
CO
AQI 56
Moderate
12.27μg/m³
PM2.5
34.42μg/m³
PM10
32.07ppb
O3
0.71ppb
SO2
10.35ppb
NO2
0.11ppm
CO
AQI 56
Moderate
12.47μg/m³
PM2.5
33.29μg/m³
PM10
36.16ppb
O3
0.76ppb
SO2
9.02ppb
NO2
0.11ppm
CO
AQI 56
Moderate
11.79μg/m³
PM2.5
32.77μg/m³
PM10
33.24ppb
O3
0.83ppb
SO2
10.24ppb
NO2
0.11ppm
CO
AQI 58
Moderate
12.61μg/m³
PM2.5
21.47μg/m³
PM10
34.07ppb
O3
0.99ppb
SO2
11.94ppb
NO2
0.11ppm
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 07:00:00 on 2026-07-10.
The best air quality in Castleford, West Yorkshire was recorded at 09:00:00 on 2026-07-09.
The real-time air quality index in Castleford, West Yorkshire is 56, currently categorized as Moderate.
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 12.182 μg/m3.
The current PM10 levels in Castleford, West Yorkshire are 33.22 μg/m3.
The current carbon monoxide (CO) level in Castleford, West Yorkshire is 0.113 ppm.
The current sulfur dioxide (SO2) levels in Castleford, West Yorkshire are 1.049 ppb.
The current ozone (O3) levels at Castleford, West Yorkshire is 35.892 ppm.
The current nitrogen dioxide (NO2) levels at Castleford, West Yorkshire is 9.463 ppb.
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