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)
37
Good
Penryn, Cornwall
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.03 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.20 μg/m³
0
55
155
255
425
605+
39.86 ppb
0
55
71
86
201
201+
0.05 ppb
0
36
76
186
605
1005+
0.42 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Penryn, Cornwall
Penryn, Cornwall
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AQI 36
Good
3.18μg/m³
PM2.5
9.66μg/m³
PM10
39.31ppb
O3
0.06ppb
SO2
0.51ppb
NO2
0.11ppm
CO
AQI 37
Good
3.27μg/m³
PM2.5
10.38μg/m³
PM10
39.83ppb
O3
0.05ppb
SO2
0.31ppb
NO2
0.11ppm
CO
AQI 36
Good
3.19μg/m³
PM2.5
9.60μg/m³
PM10
39.36ppb
O3
0.05ppb
SO2
0.32ppb
NO2
0.11ppm
CO
AQI 37
Good
3.18μg/m³
PM2.5
9.83μg/m³
PM10
39.65ppb
O3
0.05ppb
SO2
0.32ppb
NO2
0.11ppm
CO
AQI 37
Good
3.22μg/m³
PM2.5
9.99μg/m³
PM10
39.71ppb
O3
0.05ppb
SO2
0.31ppb
NO2
0.11ppm
CO
AQI 37
Good
3.20μg/m³
PM2.5
9.72μg/m³
PM10
39.52ppb
O3
0.04ppb
SO2
0.29ppb
NO2
0.11ppm
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 01:00:00 on 2026-05-13.
In the last 24 hours, the best air quality in Penryn, Cornwall was observed at 09:00:00 on 2026-05-14.
As of now, the AQI in Penryn, Cornwall is 37, 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 3.026 μg/m3.
The PM10 concentration in Penryn, Cornwall is 9.202 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Penryn, Cornwall is 0.109 ppm.
Currently, Penryn, Cornwall has a sulfur dioxide (SO2) concentration of 0.053 ppb.
The current ozone (O3) level in Penryn, Cornwall at the moment is 39.857 ppm.
Nitrogen dioxide (NO2) level in Penryn, Cornwall at the moment is 0.425 ppb.
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