Stay updated with real-time air quality in Penryn, Cornwall 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
Penryn, Cornwall
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.99 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.15 μg/m³
0
55
155
255
425
605+
29.80 ppb
0
55
71
86
201
201+
0.28 ppb
0
36
76
186
605
1005+
2.76 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Penryn, Cornwall
Penryn, Cornwall
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AQI 38
Good
7.24μg/m³
PM2.5
8.55μg/m³
PM10
18.42ppb
O3
0.20ppb
SO2
3.10ppb
NO2
0.14ppm
CO
AQI 44
Good
7.54μg/m³
PM2.5
9.33μg/m³
PM10
17.93ppb
O3
0.21ppb
SO2
2.88ppb
NO2
0.14ppm
CO
AQI 38
Good
7.49μg/m³
PM2.5
9.29μg/m³
PM10
17.22ppb
O3
0.21ppb
SO2
2.83ppb
NO2
0.14ppm
CO
AQI 44
Good
7.81μg/m³
PM2.5
9.45μg/m³
PM10
17.73ppb
O3
0.18ppb
SO2
3.35ppb
NO2
0.14ppm
CO
AQI 44
Good
7.83μg/m³
PM2.5
9.54μg/m³
PM10
17.46ppb
O3
0.20ppb
SO2
3.21ppb
NO2
0.14ppm
CO
AQI 38
Good
6.75μg/m³
PM2.5
8.31μg/m³
PM10
17.84ppb
O3
0.19ppb
SO2
2.33ppb
NO2
0.14ppm
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 Penryn, Cornwall is updated every hour for accuracy.
In the past 24 hours, the air quality in Penryn, Cornwall was at its worst at 08:00:00 on 2025-11-16.
In the last 24 hours, the best air quality in Penryn, Cornwall was observed at 11:00:00 on 2025-11-16.
As of now, the AQI in Penryn, Cornwall is 28, indicating Good conditions.
Penryn, Cornwall air has the highest levels of O3.
Poor air quality in Penryn, Cornwall means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Penryn, Cornwall are currently 4.99 μg/m3.
The PM10 concentration in Penryn, Cornwall is 9.148 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Penryn, Cornwall is 0.132 ppm.
Currently, Penryn, Cornwall has a sulfur dioxide (SO2) concentration of 0.275 ppb.
The current ozone (O3) level in Penryn, Cornwall at the moment is 29.801 ppm.
Nitrogen dioxide (NO2) level in Penryn, Cornwall at the moment is 2.761 ppb.
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