Stay updated with real-time air quality in Greater London, UK 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
Greater London, UK
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.86 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.11 μg/m³
0
55
155
255
425
605+
15.37 ppb
0
55
71
86
201
201+
0.58 ppb
0
36
76
186
605
1005+
4.91 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Greater London, UK
Greater London, UK
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City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
---|
AQI 33
Good
5.97μg/m³
PM2.5
17.05μg/m³
PM10
28.87ppb
O3
0.60ppb
SO2
4.54ppb
NO2
0.26ppm
CO
AQI 38
Good
6.60μg/m³
PM2.5
15.92μg/m³
PM10
28.10ppb
O3
0.74ppb
SO2
6.64ppb
NO2
0.26ppm
CO
AQI 33
Good
6.25μg/m³
PM2.5
19.58μg/m³
PM10
27.60ppb
O3
0.61ppb
SO2
7.35ppb
NO2
0.26ppm
CO
AQI 27
Good
5.19μg/m³
PM2.5
15.15μg/m³
PM10
26.52ppb
O3
0.60ppb
SO2
4.46ppb
NO2
0.26ppm
CO
AQI 33
Good
5.62μg/m³
PM2.5
15.33μg/m³
PM10
27.97ppb
O3
0.60ppb
SO2
8.01ppb
NO2
0.26ppm
CO
AQI 25
Good
3.77μg/m³
PM2.5
14.38μg/m³
PM10
26.52ppb
O3
1.43ppb
SO2
4.76ppb
NO2
0.26ppm
CO
Air quality measurements for Greater London, 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 Greater London, UK is updated on an hourly basis.
The worst air quality in Greater London, UK was recorded at 11:00:00 on 2025-08-26.
The best air quality in Greater London, UK was recorded at 06:00:00 on 2025-08-27.
The real-time air quality index in Greater London, UK is 58, currently categorized as Moderate.
The most common pollutant in Greater London, UK is PM2.5.
If the air quality in Greater London, UK is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Greater London, UK at present are 12.607 μg/m3.
The current PM10 levels in Greater London, UK are 49.444 μg/m3.
The current carbon monoxide (CO) level in Greater London, UK is 0.264 ppm.
The current sulfur dioxide (SO2) levels in Greater London, UK are 0.751 ppb.
The current ozone (O3) levels at Greater London, UK is 23.887 ppm.
The current nitrogen dioxide (NO2) levels at Greater London, UK is 4.712 ppb.
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