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)
27
Good
Greater London, UK
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.78 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.26 μg/m³
0
55
155
255
425
605+
27.21 ppb
0
55
71
86
201
201+
1.09 ppb
0
36
76
186
605
1005+
7.52 ppb
0
54
101
361
1250
2050+
0.00 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 28
Good
3.95μg/m³
PM2.5
9.83μg/m³
PM10
30.17ppb
O3
1.00ppb
SO2
6.58ppb
NO2
0.01ppm
CO
AQI 31
Good
2.65μg/m³
PM2.5
7.29μg/m³
PM10
32.86ppb
O3
1.11ppb
SO2
4.89ppb
NO2
0.02ppm
CO
AQI 29
Good
3.83μg/m³
PM2.5
10.21μg/m³
PM10
30.54ppb
O3
0.95ppb
SO2
5.68ppb
NO2
0.01ppm
CO
AQI 28
Good
3.04μg/m³
PM2.5
8.22μg/m³
PM10
29.89ppb
O3
0.91ppb
SO2
5.83ppb
NO2
0.02ppm
CO
AQI 27
Good
3.04μg/m³
PM2.5
9.30μg/m³
PM10
29.10ppb
O3
0.89ppb
SO2
7.54ppb
NO2
0.02ppm
CO
AQI 34
Good
3.12μg/m³
PM2.5
8.40μg/m³
PM10
36.98ppb
O3
0.76ppb
SO2
10.68ppb
NO2
0.07ppm
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 10:00:00 on 2025-06-05.
The best air quality in Greater London, UK was recorded at 04:00:00 on 2025-06-06.
The real-time air quality index in Greater London, UK is 27, currently categorized as Good.
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 4.778 μg/m3.
The current PM10 levels in Greater London, UK are 18.256 μg/m3.
The current carbon monoxide (CO) level in Greater London, UK is 0.001 ppm.
The current sulfur dioxide (SO2) levels in Greater London, UK are 1.091 ppb.
The current ozone (O3) levels at Greater London, UK is 27.208 ppm.
The current nitrogen dioxide (NO2) levels at Greater London, UK is 7.52 ppb.
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