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)
30
Good
Cornwall, UK
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.07 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.04 μg/m³
0
55
155
255
425
605+
31.71 ppb
0
55
71
86
201
201+
0.13 ppb
0
36
76
186
605
1005+
0.68 ppb
0
54
101
361
1250
2050+
0.13 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 16
Good
3.29μg/m³
PM2.5
9.60μg/m³
PM10
16.25ppb
O3
0.52ppb
SO2
3.80ppb
NO2
0.04ppm
CO
AQI 17
Good
3.30μg/m³
PM2.5
10.36μg/m³
PM10
18.07ppb
O3
0.45ppb
SO2
4.60ppb
NO2
0.04ppm
CO
AQI 22
Good
3.67μg/m³
PM2.5
9.77μg/m³
PM10
16.57ppb
O3
0.46ppb
SO2
2.84ppb
NO2
0.03ppm
CO
AQI 22
Good
4.16μg/m³
PM2.5
11.21μg/m³
PM10
19.47ppb
O3
0.54ppb
SO2
2.00ppb
NO2
0.03ppm
CO
AQI 22
Good
4.36μg/m³
PM2.5
11.12μg/m³
PM10
17.57ppb
O3
0.46ppb
SO2
3.13ppb
NO2
0.03ppm
CO
AQI 27
Good
4.72μg/m³
PM2.5
10.47μg/m³
PM10
18.36ppb
O3
0.47ppb
SO2
4.30ppb
NO2
0.03ppm
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 01:00:00 on 2025-08-30.
In the last 24 hours, the best air quality in Cornwall, UK was observed at 12:00:00 on 2025-08-30.
As of now, the AQI in Cornwall, UK is 27, 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 3.591 μg/m3.
The PM10 concentration in Cornwall, UK is 9.369 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Cornwall, UK is 0.096 ppm.
Currently, Cornwall, UK has a sulfur dioxide (SO2) concentration of 0.169 ppb.
The current ozone (O3) level in Cornwall, UK at the moment is 29.323 ppm.
Nitrogen dioxide (NO2) level in Cornwall, UK at the moment is 1.494 ppb.
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