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
4.90 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.91 μg/m³
0
55
155
255
425
605+
29.30 ppb
0
55
71
86
201
201+
0.61 ppb
0
36
76
186
605
1005+
14.83 ppb
0
54
101
361
1250
2050+
0.31 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 30
Good
4.46μg/m³
PM2.5
12.92μg/m³
PM10
31.53ppb
O3
0.44ppb
SO2
19.57ppb
NO2
0.25ppm
CO
AQI 29
Good
4.18μg/m³
PM2.5
13.89μg/m³
PM10
31.09ppb
O3
0.42ppb
SO2
11.90ppb
NO2
0.25ppm
CO
AQI 29
Good
4.18μg/m³
PM2.5
12.07μg/m³
PM10
31.31ppb
O3
0.46ppb
SO2
8.00ppb
NO2
0.25ppm
CO
AQI 29
Good
3.22μg/m³
PM2.5
11.15μg/m³
PM10
30.69ppb
O3
0.42ppb
SO2
6.00ppb
NO2
0.25ppm
CO
AQI 29
Good
3.80μg/m³
PM2.5
11.27μg/m³
PM10
30.95ppb
O3
0.45ppb
SO2
9.87ppb
NO2
0.24ppm
CO
AQI 30
Good
4.63μg/m³
PM2.5
9.02μg/m³
PM10
32.20ppb
O3
0.68ppb
SO2
6.95ppb
NO2
0.22ppm
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 2026-09-28.
In the last 24 hours, the best air quality in County Durham, UK was observed at 03:00:00 on 2026-09-28.
As of now, the AQI in County Durham, UK is 29, 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 4.066 μg/m3.
The PM10 concentration in County Durham, UK is 12.044 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in County Durham, UK is 0.253 ppm.
Currently, County Durham, UK has a sulfur dioxide (SO2) concentration of 0.448 ppb.
The current ozone (O3) level in County Durham, UK at the moment is 31.304 ppm.
Nitrogen dioxide (NO2) level in County Durham, UK at the moment is 13.447 ppb.
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