Stay updated with real-time air quality in Cornwall, 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)
28
Good
Cornwall, UK
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.97 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.87 μg/m³
0
55
155
255
425
605+
29.61 ppb
0
55
71
86
201
201+
0.10 ppb
0
36
76
186
605
1005+
0.77 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Cornwall, UK
Cornwall, UK
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City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
---|
AQI 24
Good
2.03μg/m³
PM2.5
6.63μg/m³
PM10
26.33ppb
O3
0.38ppb
SO2
1.41ppb
NO2
0.06ppm
CO
AQI 24
Good
2.92μg/m³
PM2.5
10.53μg/m³
PM10
26.44ppb
O3
0.38ppb
SO2
1.42ppb
NO2
0.06ppm
CO
AQI 24
Good
2.26μg/m³
PM2.5
6.20μg/m³
PM10
25.93ppb
O3
0.38ppb
SO2
2.09ppb
NO2
0.06ppm
CO
AQI 27
Good
4.46μg/m³
PM2.5
17.88μg/m³
PM10
28.81ppb
O3
0.38ppb
SO2
3.10ppb
NO2
0.05ppm
CO
AQI 24
Good
2.53μg/m³
PM2.5
4.62μg/m³
PM10
25.54ppb
O3
0.38ppb
SO2
3.79ppb
NO2
0.05ppm
CO
AQI 23
Good
2.65μg/m³
PM2.5
5.23μg/m³
PM10
25.04ppb
O3
0.38ppb
SO2
7.75ppb
NO2
0.05ppm
CO
Air quality and pollutant data for Cornwall, 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 Cornwall, UK is updated every hour for accuracy.
In the past 24 hours, the air quality in Cornwall, UK was at its worst at 07:00:00 on 2025-09-17.
In the last 24 hours, the best air quality in Cornwall, UK was observed at 11:00:00 on 2025-09-17.
As of now, the AQI in Cornwall, UK is 28, indicating Good conditions.
Cornwall, UK air has the highest levels of O3.
Poor air quality in Cornwall, UK means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Cornwall, UK are currently 3.911 μg/m3.
The PM10 concentration in Cornwall, UK is 12.15 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Cornwall, UK is 0.093 ppm.
Currently, Cornwall, UK has a sulfur dioxide (SO2) concentration of 0.104 ppb.
The current ozone (O3) level in Cornwall, UK at the moment is 29.715 ppm.
Nitrogen dioxide (NO2) level in Cornwall, UK at the moment is 0.881 ppb.
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