Stay updated with real-time air quality in County Durham, 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)
69
Moderate
County Durham, UK
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
18.52 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
36.83 μg/m³
0
55
155
255
425
605+
13.08 ppb
0
55
71
86
201
201+
0.57 ppb
0
36
76
186
605
1005+
9.49 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
County Durham, UK
County Durham, UK
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 54
Moderate
11.09μg/m³
PM2.5
23.39μg/m³
PM10
13.34ppb
O3
1.14ppb
SO2
14.34ppb
NO2
0.48ppm
CO
AQI 44
Good
7.99μg/m³
PM2.5
21.19μg/m³
PM10
14.14ppb
O3
0.85ppb
SO2
10.91ppb
NO2
0.45ppm
CO
AQI 52
Moderate
10.05μg/m³
PM2.5
22.07μg/m³
PM10
12.90ppb
O3
1.14ppb
SO2
16.55ppb
NO2
0.41ppm
CO
AQI 49
Good
9.24μg/m³
PM2.5
17.10μg/m³
PM10
15.16ppb
O3
0.78ppb
SO2
11.25ppb
NO2
0.44ppm
CO
AQI 49
Good
9.00μg/m³
PM2.5
23.29μg/m³
PM10
14.26ppb
O3
0.91ppb
SO2
12.40ppb
NO2
0.43ppm
CO
AQI 33
Good
6.07μg/m³
PM2.5
11.77μg/m³
PM10
21.79ppb
O3
0.86ppb
SO2
6.73ppb
NO2
0.38ppm
CO
Air quality and pollutant data for County Durham, UK are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for County Durham, UK is updated every hour for accuracy.
In the past 24 hours, the air quality in County Durham, UK was at its worst at 10:00:00 on 2025-11-05.
In the last 24 hours, the best air quality in County Durham, UK was observed at 04:00:00 on 2025-11-05.
As of now, the AQI in County Durham, UK is 56, indicating Moderate conditions.
County Durham, UK air has the highest levels of PM2.5.
Poor air quality in County Durham, UK means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in County Durham, UK are currently 12.328 μg/m3.
The PM10 concentration in County Durham, UK is 25.813 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in County Durham, UK is 0.246 ppm.
Currently, County Durham, UK has a sulfur dioxide (SO2) concentration of 1.038 ppb.
The current ozone (O3) level in County Durham, UK at the moment is 11.687 ppm.
Nitrogen dioxide (NO2) level in County Durham, UK at the moment is 13.375 ppb.
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