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)
18
Good
Leicestershire, UK
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
1.89 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
4.16 μg/m³
0
55
155
255
425
605+
19.14 ppb
0
55
71
86
201
201+
0.49 ppb
0
36
76
186
605
1005+
3.71 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Leicestershire, UK
Leicestershire, UK
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City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
---|
AQI 19
Good
3.06μg/m³
PM2.5
8.01μg/m³
PM10
19.59ppb
O3
0.45ppb
SO2
6.89ppb
NO2
0.26ppm
CO
AQI 19
Good
3.43μg/m³
PM2.5
10.30μg/m³
PM10
20.12ppb
O3
0.45ppb
SO2
6.71ppb
NO2
0.24ppm
CO
AQI 21
Good
3.36μg/m³
PM2.5
8.82μg/m³
PM10
22.69ppb
O3
0.46ppb
SO2
4.71ppb
NO2
0.25ppm
CO
AQI 27
Good
4.96μg/m³
PM2.5
12.26μg/m³
PM10
20.94ppb
O3
0.40ppb
SO2
3.04ppb
NO2
0.35ppm
CO
AQI 33
Good
5.91μg/m³
PM2.5
19.98μg/m³
PM10
22.42ppb
O3
0.38ppb
SO2
2.48ppb
NO2
0.36ppm
CO
AQI 22
Good
3.19μg/m³
PM2.5
8.77μg/m³
PM10
24.38ppb
O3
0.50ppb
SO2
4.02ppb
NO2
0.36ppm
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 09:00:00 on 2025-09-16.
The best air quality in Leicestershire, UK was recorded at 02:00:00 on 2025-09-17.
The real-time air quality index in Leicestershire, UK is 22, 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 3.528 μg/m3.
The current PM10 levels in Leicestershire, UK are 8.409 μg/m3.
The current carbon monoxide (CO) level in Leicestershire, UK is 0.347 ppm.
The current sulfur dioxide (SO2) levels in Leicestershire, UK are 0.386 ppb.
The current ozone (O3) levels at Leicestershire, UK is 18.937 ppm.
The current nitrogen dioxide (NO2) levels at Leicestershire, UK is 3.957 ppb.
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