Stay updated with real-time air quality in Leicestershire, 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)
44
Good
Leicestershire, UK
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.68 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.88 μg/m³
0
55
155
255
425
605+
19.85 ppb
0
55
71
86
201
201+
0.68 ppb
0
36
76
186
605
1005+
21.35 ppb
0
54
101
361
1250
2050+
0.08 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Leicestershire, UK
Leicestershire, UK
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 33
Good
6.01μg/m³
PM2.5
8.75μg/m³
PM10
22.57ppb
O3
0.77ppb
SO2
33.40ppb
NO2
0.07ppm
CO
AQI 33
Good
5.98μg/m³
PM2.5
11.33μg/m³
PM10
22.04ppb
O3
0.77ppb
SO2
25.63ppb
NO2
0.08ppm
CO
AQI 27
Good
5.04μg/m³
PM2.5
12.63μg/m³
PM10
25.13ppb
O3
0.80ppb
SO2
22.03ppb
NO2
0.09ppm
CO
AQI 49
Good
9.03μg/m³
PM2.5
31.01μg/m³
PM10
24.55ppb
O3
0.80ppb
SO2
20.79ppb
NO2
0.04ppm
CO
AQI 49
Good
9.47μg/m³
PM2.5
34.47μg/m³
PM10
25.36ppb
O3
0.79ppb
SO2
19.01ppb
NO2
0.05ppm
CO
AQI 33
Good
6.01μg/m³
PM2.5
13.24μg/m³
PM10
23.86ppb
O3
0.87ppb
SO2
30.23ppb
NO2
0.09ppm
CO
Air quality measurements for Leicestershire, 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 Leicestershire, UK is updated on an hourly basis.
The worst air quality in Leicestershire, UK was recorded at 05:00:00 on 2026-02-11.
The best air quality in Leicestershire, UK was recorded at 05:00:00 on 2026-02-11.
The real-time air quality index in Leicestershire, UK is 38, currently categorized as Good.
The most common pollutant in Leicestershire, UK is PM2.5.
If the air quality in Leicestershire, UK is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Leicestershire, UK at present are 6.909 μg/m3.
The current PM10 levels in Leicestershire, UK are 11.924 μg/m3.
The current carbon monoxide (CO) level in Leicestershire, UK is 0.066 ppm.
The current sulfur dioxide (SO2) levels in Leicestershire, UK are 0.813 ppb.
The current ozone (O3) levels at Leicestershire, UK is 24.756 ppm.
The current nitrogen dioxide (NO2) levels at Leicestershire, UK is 24.517 ppb.
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