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)
33
Good
Castleford, West Yorkshire
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.91 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
6.88 μg/m³
0
55
155
255
425
605+
24.51 ppb
0
55
71
86
201
201+
0.52 ppb
0
36
76
186
605
1005+
4.07 ppb
0
54
101
361
1250
2050+
0.25 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 22
Good
4.40μg/m³
PM2.5
15.21μg/m³
PM10
17.63ppb
O3
0.54ppb
SO2
13.37ppb
NO2
0.07ppm
CO
AQI 27
Good
4.80μg/m³
PM2.5
12.35μg/m³
PM10
16.97ppb
O3
0.56ppb
SO2
13.07ppb
NO2
0.08ppm
CO
AQI 27
Good
4.67μg/m³
PM2.5
16.15μg/m³
PM10
20.52ppb
O3
0.52ppb
SO2
9.97ppb
NO2
0.08ppm
CO
AQI 27
Good
4.53μg/m³
PM2.5
15.58μg/m³
PM10
17.58ppb
O3
0.53ppb
SO2
8.23ppb
NO2
0.08ppm
CO
AQI 27
Good
4.80μg/m³
PM2.5
12.35μg/m³
PM10
16.97ppb
O3
0.56ppb
SO2
13.07ppb
NO2
0.08ppm
CO
AQI 22
Good
4.30μg/m³
PM2.5
10.20μg/m³
PM10
18.16ppb
O3
0.68ppb
SO2
12.02ppb
NO2
0.08ppm
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 2025-09-16.
The best air quality in Castleford, West Yorkshire was recorded at 03:00:00 on 2025-09-17.
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 5.279 μg/m3.
The current PM10 levels in Castleford, West Yorkshire are 18.411 μg/m3.
The current carbon monoxide (CO) level in Castleford, West Yorkshire is 0.073 ppm.
The current sulfur dioxide (SO2) levels in Castleford, West Yorkshire are 0.421 ppb.
The current ozone (O3) levels at Castleford, West Yorkshire is 16.748 ppm.
The current nitrogen dioxide (NO2) levels at Castleford, West Yorkshire is 12.388 ppb.
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