Stay updated with real-time air quality in Penzance, 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)
26
Good
Penzance, Cornwall
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.02 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
5.48 μg/m³
0
55
155
255
425
605+
27.62 ppb
0
55
71
86
201
201+
0.10 ppb
0
36
76
186
605
1005+
0.63 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Penzance, Cornwall
Penzance, Cornwall
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AQI 31
Good
2.63μg/m³
PM2.5
6.25μg/m³
PM10
33.77ppb
O3
0.06ppb
SO2
0.65ppb
NO2
0.12ppm
CO
AQI 31
Good
2.67μg/m³
PM2.5
6.26μg/m³
PM10
33.47ppb
O3
0.06ppb
SO2
0.66ppb
NO2
0.12ppm
CO
AQI 31
Good
2.67μg/m³
PM2.5
5.96μg/m³
PM10
33.43ppb
O3
0.04ppb
SO2
0.64ppb
NO2
0.12ppm
CO
AQI 31
Good
2.73μg/m³
PM2.5
5.55μg/m³
PM10
33.25ppb
O3
0.08ppb
SO2
0.86ppb
NO2
0.13ppm
CO
AQI 31
Good
2.88μg/m³
PM2.5
5.43μg/m³
PM10
32.86ppb
O3
0.10ppb
SO2
1.16ppb
NO2
0.13ppm
CO
AQI 30
Good
2.76μg/m³
PM2.5
5.48μg/m³
PM10
32.29ppb
O3
0.08ppb
SO2
0.81ppb
NO2
0.13ppm
CO
Air quality data and pollutant measurements for Cornwall, UK adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Penzance, Cornwall is updated every hour.
The worst air quality in Penzance, Cornwall in the last 24 hours was observed at 05:00:00 on 2025-07-20.
In the last 24 hrs, the best air quality in Penzance, Cornwall was observed at 07:00:00 on 2025-07-19.
The current air quality in Penzance, Cornwall is 32, categorized as Good based on real-time data.
The most common pollutant in Penzance, Cornwall is O3.
If the air quality in Penzance, Cornwall is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Penzance, Cornwall is 2.947 μg/m3.
The current PM10 concentration at Penzance, Cornwall is 7.655 μg/m3.
The current carbon monoxide (CO) concentration at Penzance, Cornwall is 0.131 ppm.
The current sulfur dioxide (SO2) concentration at Penzance, Cornwall is 0.05 ppb.
The current ozone (O3) concentration at Penzance, Cornwall is 35.385 ppm.
The current nitrogen dioxide (NO2) concentration at Penzance, Cornwall is 0.551 ppb.
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