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)
27
Good
Penryn, Cornwall
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.68 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
4.48 μg/m³
0
55
155
255
425
605+
28.61 ppb
0
55
71
86
201
201+
0.07 ppb
0
36
76
186
605
1005+
0.75 ppb
0
54
101
361
1250
2050+
0.10 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Penryn, Cornwall
Penryn, Cornwall
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AQI 44
Good
8.46μg/m³
PM2.5
17.64μg/m³
PM10
40.85ppb
O3
0.25ppb
SO2
2.84ppb
NO2
0.13ppm
CO
AQI 44
Good
8.21μg/m³
PM2.5
16.16μg/m³
PM10
40.96ppb
O3
0.29ppb
SO2
2.08ppb
NO2
0.12ppm
CO
AQI 44
Good
8.37μg/m³
PM2.5
15.67μg/m³
PM10
40.93ppb
O3
0.27ppb
SO2
1.77ppb
NO2
0.13ppm
CO
AQI 44
Good
8.35μg/m³
PM2.5
16.98μg/m³
PM10
40.43ppb
O3
0.26ppb
SO2
2.47ppb
NO2
0.12ppm
CO
AQI 44
Good
8.26μg/m³
PM2.5
16.38μg/m³
PM10
40.60ppb
O3
0.28ppb
SO2
2.16ppb
NO2
0.12ppm
CO
AQI 44
Good
8.03μg/m³
PM2.5
15.14μg/m³
PM10
40.85ppb
O3
0.29ppb
SO2
1.58ppb
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 2026-08-12.
In the last 24 hours, the best air quality in Penryn, Cornwall was observed at 11:00:00 on 2026-08-11.
As of now, the AQI in Penryn, Cornwall is 44, indicating Good conditions.
Penryn, Cornwall air has the highest levels of PM2.5.
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 8.03 μg/m3.
The PM10 concentration in Penryn, Cornwall is 17.585 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Penryn, Cornwall is 0.128 ppm.
Currently, Penryn, Cornwall has a sulfur dioxide (SO2) concentration of 0.262 ppb.
The current ozone (O3) level in Penryn, Cornwall at the moment is 44.007 ppm.
Nitrogen dioxide (NO2) level in Penryn, Cornwall at the moment is 2.373 ppb.
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