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)
27
Good
County Durham, UK
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.57 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.70 μg/m³
0
55
155
255
425
605+
29.10 ppb
0
55
71
86
201
201+
0.68 ppb
0
36
76
186
605
1005+
6.51 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
County Durham, UK
County Durham, UK
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 27
Good
4.63μg/m³
PM2.5
10.97μg/m³
PM10
27.99ppb
O3
0.73ppb
SO2
5.46ppb
NO2
0.12ppm
CO
AQI 27
Good
4.81μg/m³
PM2.5
16.24μg/m³
PM10
28.89ppb
O3
0.77ppb
SO2
6.55ppb
NO2
0.12ppm
CO
AQI 25
Good
3.82μg/m³
PM2.5
11.42μg/m³
PM10
27.30ppb
O3
0.80ppb
SO2
5.96ppb
NO2
0.12ppm
CO
AQI 28
Good
4.06μg/m³
PM2.5
10.92μg/m³
PM10
29.55ppb
O3
0.77ppb
SO2
5.40ppb
NO2
0.12ppm
CO
AQI 28
Good
4.23μg/m³
PM2.5
10.53μg/m³
PM10
30.37ppb
O3
0.66ppb
SO2
5.19ppb
NO2
0.12ppm
CO
AQI 28
Good
2.86μg/m³
PM2.5
6.28μg/m³
PM10
29.59ppb
O3
0.88ppb
SO2
2.83ppb
NO2
0.12ppm
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 11:00:00 on 2026-05-13.
In the last 24 hours, the best air quality in County Durham, UK was observed at 12:00:00 on 2026-05-13.
As of now, the AQI in County Durham, UK is 27, indicating Good conditions.
County Durham, UK air has the highest levels of O3.
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 4.569 μg/m3.
The PM10 concentration in County Durham, UK is 11.701 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in County Durham, UK is 0.118 ppm.
Currently, County Durham, UK has a sulfur dioxide (SO2) concentration of 0.68 ppb.
The current ozone (O3) level in County Durham, UK at the moment is 29.099 ppm.
Nitrogen dioxide (NO2) level in County Durham, UK at the moment is 6.513 ppb.
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