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)
44
Good
Cornwall, UK
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
7.89 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.58 μg/m³
0
55
155
255
425
605+
40.82 ppb
0
55
71
86
201
201+
0.26 ppb
0
36
76
186
605
1005+
6.03 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 34
Good
3.48μg/m³
PM2.5
7.97μg/m³
PM10
37.02ppb
O3
0.56ppb
SO2
3.21ppb
NO2
0.08ppm
CO
AQI 34
Good
3.32μg/m³
PM2.5
8.71μg/m³
PM10
36.86ppb
O3
0.56ppb
SO2
5.30ppb
NO2
0.08ppm
CO
AQI 35
Good
3.97μg/m³
PM2.5
8.88μg/m³
PM10
38.03ppb
O3
0.56ppb
SO2
3.94ppb
NO2
0.07ppm
CO
AQI 37
Good
5.11μg/m³
PM2.5
12.95μg/m³
PM10
39.69ppb
O3
0.56ppb
SO2
3.82ppb
NO2
0.06ppm
CO
AQI 35
Good
4.46μg/m³
PM2.5
10.74μg/m³
PM10
38.10ppb
O3
0.55ppb
SO2
8.53ppb
NO2
0.07ppm
CO
AQI 35
Good
4.16μg/m³
PM2.5
8.79μg/m³
PM10
37.94ppb
O3
0.54ppb
SO2
6.97ppb
NO2
0.06ppm
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 05:00:00 on 2025-07-10.
In the last 24 hours, the best air quality in Cornwall, UK was observed at 11:00:00 on 2025-07-10.
As of now, the AQI in Cornwall, UK is 37, 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 5.09 μg/m3.
The PM10 concentration in Cornwall, UK is 7.5 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Cornwall, UK is 0.095 ppm.
Currently, Cornwall, UK has a sulfur dioxide (SO2) concentration of 0.197 ppb.
The current ozone (O3) level in Cornwall, UK at the moment is 40.179 ppm.
Nitrogen dioxide (NO2) level in Cornwall, UK at the moment is 1.628 ppb.
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