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)
31
Good
Penryn, Cornwall
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.62 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.40 μg/m³
0
55
155
255
425
605+
34.21 ppb
0
55
71
86
201
201+
0.17 ppb
0
36
76
186
605
1005+
1.97 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 31
Good
3.71μg/m³
PM2.5
9.42μg/m³
PM10
34.10ppb
O3
0.24ppb
SO2
2.77ppb
NO2
0.13ppm
CO
AQI 34
Good
3.33μg/m³
PM2.5
9.74μg/m³
PM10
37.10ppb
O3
0.10ppb
SO2
0.93ppb
NO2
0.13ppm
CO
AQI 32
Good
3.36μg/m³
PM2.5
9.71μg/m³
PM10
35.15ppb
O3
0.12ppb
SO2
1.28ppb
NO2
0.13ppm
CO
AQI 31
Good
3.43μg/m³
PM2.5
9.40μg/m³
PM10
34.48ppb
O3
0.11ppb
SO2
1.33ppb
NO2
0.13ppm
CO
AQI 33
Good
3.37μg/m³
PM2.5
9.63μg/m³
PM10
35.81ppb
O3
0.11ppb
SO2
1.10ppb
NO2
0.13ppm
CO
AQI 34
Good
3.11μg/m³
PM2.5
9.36μg/m³
PM10
37.41ppb
O3
0.09ppb
SO2
0.85ppb
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 12:00:00 on 2026-04-18.
In the last 24 hours, the best air quality in Penryn, Cornwall was observed at 12:00:00 on 2026-04-19.
As of now, the AQI in Penryn, Cornwall is 31, 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 3.617 μg/m3.
The PM10 concentration in Penryn, Cornwall is 9.404 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 0.167 ppb.
The current ozone (O3) level in Penryn, Cornwall at the moment is 34.214 ppm.
Nitrogen dioxide (NO2) level in Penryn, Cornwall at the moment is 1.973 ppb.
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