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)
31
Good
County Durham, UK
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.00 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.80 μg/m³
0
55
155
255
425
605+
33.25 ppb
0
55
71
86
201
201+
0.40 ppb
0
36
76
186
605
1005+
5.16 ppb
0
54
101
361
1250
2050+
0.14 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 33
Good
3.56μg/m³
PM2.5
10.54μg/m³
PM10
35.76ppb
O3
0.35ppb
SO2
5.61ppb
NO2
0.14ppm
CO
AQI 31
Good
4.19μg/m³
PM2.5
11.47μg/m³
PM10
33.01ppb
O3
0.46ppb
SO2
5.50ppb
NO2
0.16ppm
CO
AQI 31
Good
3.87μg/m³
PM2.5
11.61μg/m³
PM10
33.07ppb
O3
0.22ppb
SO2
2.48ppb
NO2
0.13ppm
CO
AQI 36
Good
2.75μg/m³
PM2.5
9.34μg/m³
PM10
38.73ppb
O3
0.16ppb
SO2
2.14ppb
NO2
0.13ppm
CO
AQI 33
Good
2.94μg/m³
PM2.5
8.31μg/m³
PM10
36.16ppb
O3
0.22ppb
SO2
2.08ppb
NO2
0.13ppm
CO
AQI 29
Good
4.16μg/m³
PM2.5
8.50μg/m³
PM10
31.26ppb
O3
0.20ppb
SO2
2.50ppb
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 04:00:00 on 2025-12-28.
In the last 24 hours, the best air quality in County Durham, UK was observed at 06:00:00 on 2025-12-27.
As of now, the AQI in County Durham, UK is 31, 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 4.997 μg/m3.
The PM10 concentration in County Durham, UK is 12.796 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in County Durham, UK is 0.145 ppm.
Currently, County Durham, UK has a sulfur dioxide (SO2) concentration of 0.4 ppb.
The current ozone (O3) level in County Durham, UK at the moment is 33.248 ppm.
Nitrogen dioxide (NO2) level in County Durham, UK at the moment is 5.156 ppb.
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