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)
20
Good
Cornwall, UK
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
2.28 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
4.72 μg/m³
0
55
155
255
425
605+
21.77 ppb
0
55
71
86
201
201+
0.14 ppb
0
36
76
186
605
1005+
1.37 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Cornwall, UK
Cornwall, UK
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City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
---|
AQI 23
Good
3.46μg/m³
PM2.5
9.41μg/m³
PM10
24.97ppb
O3
0.38ppb
SO2
2.52ppb
NO2
0.09ppm
CO
AQI 23
Good
3.50μg/m³
PM2.5
9.87μg/m³
PM10
24.93ppb
O3
0.38ppb
SO2
3.34ppb
NO2
0.09ppm
CO
AQI 27
Good
2.84μg/m³
PM2.5
7.36μg/m³
PM10
28.52ppb
O3
0.38ppb
SO2
1.36ppb
NO2
0.07ppm
CO
AQI 26
Good
3.25μg/m³
PM2.5
9.79μg/m³
PM10
28.38ppb
O3
0.38ppb
SO2
1.63ppb
NO2
0.06ppm
CO
AQI 28
Good
2.43μg/m³
PM2.5
6.44μg/m³
PM10
30.16ppb
O3
0.38ppb
SO2
3.48ppb
NO2
0.07ppm
CO
AQI 28
Good
2.72μg/m³
PM2.5
7.68μg/m³
PM10
29.65ppb
O3
0.38ppb
SO2
1.63ppb
NO2
0.07ppm
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 10:00:00 on 2025-07-21.
In the last 24 hours, the best air quality in Cornwall, UK was observed at 07:00:00 on 2025-07-22.
As of now, the AQI in Cornwall, UK is 25, 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 2.786 μg/m3.
The PM10 concentration in Cornwall, UK is 5.961 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Cornwall, UK is 0.107 ppm.
Currently, Cornwall, UK has a sulfur dioxide (SO2) concentration of 0.136 ppb.
The current ozone (O3) level in Cornwall, UK at the moment is 26.581 ppm.
Nitrogen dioxide (NO2) level in Cornwall, UK at the moment is 1.264 ppb.
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