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)
38
Good
Leicestershire, UK
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.77 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.35 μg/m³
0
55
155
255
425
605+
27.51 ppb
0
55
71
86
201
201+
0.75 ppb
0
36
76
186
605
1005+
5.10 ppb
0
54
101
361
1250
2050+
0.06 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
6.06μg/m³
PM2.5
10.10μg/m³
PM10
25.39ppb
O3
0.89ppb
SO2
19.30ppb
NO2
0.06ppm
CO
AQI 33
Good
5.71μg/m³
PM2.5
10.07μg/m³
PM10
25.66ppb
O3
0.91ppb
SO2
10.11ppb
NO2
0.07ppm
CO
AQI 27
Good
4.88μg/m³
PM2.5
10.81μg/m³
PM10
27.40ppb
O3
0.86ppb
SO2
6.25ppb
NO2
0.07ppm
CO
AQI 38
Good
7.17μg/m³
PM2.5
21.05μg/m³
PM10
26.64ppb
O3
0.46ppb
SO2
3.79ppb
NO2
0.04ppm
CO
AQI 38
Good
7.16μg/m³
PM2.5
22.05μg/m³
PM10
27.28ppb
O3
0.44ppb
SO2
2.96ppb
NO2
0.04ppm
CO
AQI 33
Good
6.18μg/m³
PM2.5
13.11μg/m³
PM10
27.25ppb
O3
0.54ppb
SO2
7.18ppb
NO2
0.07ppm
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 08:00:00 on 2025-12-07.
The best air quality in Leicestershire, UK was recorded at 04:00:00 on 2025-12-07.
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 6.768 μg/m3.
The current PM10 levels in Leicestershire, UK are 12.346 μg/m3.
The current carbon monoxide (CO) level in Leicestershire, UK is 0.056 ppm.
The current sulfur dioxide (SO2) levels in Leicestershire, UK are 0.753 ppb.
The current ozone (O3) levels at Leicestershire, UK is 27.511 ppm.
The current nitrogen dioxide (NO2) levels at Leicestershire, UK is 5.098 ppb.
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