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)
73
Moderate
Castleford, West Yorkshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
20.62 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
42.84 μg/m³
0
55
155
255
425
605+
10.43 ppb
0
55
71
86
201
201+
0.69 ppb
0
36
76
186
605
1005+
15.61 ppb
0
54
101
361
1250
2050+
0.18 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 71
Moderate
20.05μg/m³
PM2.5
44.18μg/m³
PM10
2.55ppb
O3
0.56ppb
SO2
14.59ppb
NO2
0.39ppm
CO
AQI 75
Moderate
21.54μg/m³
PM2.5
60.08μg/m³
PM10
2.72ppb
O3
0.53ppb
SO2
15.48ppb
NO2
0.39ppm
CO
AQI 77
Moderate
22.68μg/m³
PM2.5
51.38μg/m³
PM10
2.35ppb
O3
0.56ppb
SO2
14.96ppb
NO2
0.39ppm
CO
AQI 77
Moderate
23.12μg/m³
PM2.5
49.34μg/m³
PM10
3.69ppb
O3
0.53ppb
SO2
14.90ppb
NO2
0.39ppm
CO
AQI 75
Moderate
21.54μg/m³
PM2.5
60.08μg/m³
PM10
2.72ppb
O3
0.53ppb
SO2
15.48ppb
NO2
0.39ppm
CO
AQI 94
Moderate
31.77μg/m³
PM2.5
47.62μg/m³
PM10
1.86ppb
O3
0.46ppb
SO2
18.21ppb
NO2
0.39ppm
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 02:00:00 on 2025-11-06.
The best air quality in Castleford, West Yorkshire was recorded at 05:00:00 on 2025-11-06.
The real-time air quality index in Castleford, West Yorkshire is 75, 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 21.544 μg/m3.
The current PM10 levels in Castleford, West Yorkshire are 60.08 μg/m3.
The current carbon monoxide (CO) level in Castleford, West Yorkshire is 0.389 ppm.
The current sulfur dioxide (SO2) levels in Castleford, West Yorkshire are 0.531 ppb.
The current ozone (O3) levels at Castleford, West Yorkshire is 2.72 ppm.
The current nitrogen dioxide (NO2) levels at Castleford, West Yorkshire is 15.478 ppb.
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