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)
26
Good
County Durham, UK
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.93 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.01 μg/m³
0
55
155
255
425
605+
27.68 ppb
0
55
71
86
201
201+
0.71 ppb
0
36
76
186
605
1005+
1.79 ppb
0
54
101
361
1250
2050+
0.17 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 24
Good
4.20μg/m³
PM2.5
10.35μg/m³
PM10
26.42ppb
O3
0.62ppb
SO2
4.53ppb
NO2
0.14ppm
CO
AQI 24
Good
3.46μg/m³
PM2.5
11.28μg/m³
PM10
25.98ppb
O3
0.67ppb
SO2
1.01ppb
NO2
0.14ppm
CO
AQI 27
Good
4.54μg/m³
PM2.5
11.96μg/m³
PM10
27.49ppb
O3
0.53ppb
SO2
2.57ppb
NO2
0.14ppm
CO
AQI 24
Good
2.58μg/m³
PM2.5
9.24μg/m³
PM10
26.14ppb
O3
0.66ppb
SO2
1.63ppb
NO2
0.14ppm
CO
AQI 26
Good
4.26μg/m³
PM2.5
9.67μg/m³
PM10
27.55ppb
O3
0.50ppb
SO2
2.40ppb
NO2
0.13ppm
CO
AQI 27
Good
4.84μg/m³
PM2.5
11.36μg/m³
PM10
29.46ppb
O3
0.38ppb
SO2
2.00ppb
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 12:00:00 on 2026-06-29.
In the last 24 hours, the best air quality in County Durham, UK was observed at 09:00:00 on 2026-06-29.
As of now, the AQI in County Durham, UK is 25, 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 3.978 μg/m3.
The PM10 concentration in County Durham, UK is 10.531 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in County Durham, UK is 0.124 ppm.
Currently, County Durham, UK has a sulfur dioxide (SO2) concentration of 0.749 ppb.
The current ozone (O3) level in County Durham, UK at the moment is 27.227 ppm.
Nitrogen dioxide (NO2) level in County Durham, UK at the moment is 2.332 ppb.
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