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)
35
Good
Penryn, Cornwall
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.17 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.10 μg/m³
0
55
155
255
425
605+
37.77 ppb
0
55
71
86
201
201+
0.12 ppb
0
36
76
186
605
1005+
1.67 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Penryn, Cornwall
Penryn, Cornwall
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AQI 36
Good
3.13μg/m³
PM2.5
8.64μg/m³
PM10
38.56ppb
O3
0.12ppb
SO2
1.63ppb
NO2
0.13ppm
CO
AQI 33
Good
3.02μg/m³
PM2.5
7.25μg/m³
PM10
36.35ppb
O3
0.12ppb
SO2
1.46ppb
NO2
0.13ppm
CO
AQI 34
Good
3.21μg/m³
PM2.5
7.38μg/m³
PM10
37.20ppb
O3
0.10ppb
SO2
1.05ppb
NO2
0.13ppm
CO
AQI 34
Good
3.09μg/m³
PM2.5
7.96μg/m³
PM10
37.42ppb
O3
0.11ppb
SO2
1.59ppb
NO2
0.13ppm
CO
AQI 34
Good
3.01μg/m³
PM2.5
7.39μg/m³
PM10
36.58ppb
O3
0.11ppb
SO2
1.54ppb
NO2
0.13ppm
CO
AQI 32
Good
3.37μg/m³
PM2.5
7.12μg/m³
PM10
34.65ppb
O3
0.12ppb
SO2
1.44ppb
NO2
0.13ppm
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 04:00:00 on 2026-09-28.
In the last 24 hours, the best air quality in Penryn, Cornwall was observed at 09:00:00 on 2026-09-28.
As of now, the AQI in Penryn, Cornwall is 35, 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 3.172 μg/m3.
The PM10 concentration in Penryn, Cornwall is 8.103 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Penryn, Cornwall is 0.133 ppm.
Currently, Penryn, Cornwall has a sulfur dioxide (SO2) concentration of 0.118 ppb.
The current ozone (O3) level in Penryn, Cornwall at the moment is 37.766 ppm.
Nitrogen dioxide (NO2) level in Penryn, Cornwall at the moment is 1.666 ppb.
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