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)
33
Good
Penzance, Cornwall
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.69 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.89 μg/m³
0
55
155
255
425
605+
31.29 ppb
0
55
71
86
201
201+
0.11 ppb
0
36
76
186
605
1005+
0.38 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Penzance, Cornwall
Penzance, Cornwall
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AQI 30
Good
4.74μg/m³
PM2.5
7.67μg/m³
PM10
32.02ppb
O3
0.10ppb
SO2
0.30ppb
NO2
0.15ppm
CO
AQI 30
Good
4.73μg/m³
PM2.5
8.10μg/m³
PM10
31.58ppb
O3
0.07ppb
SO2
0.29ppb
NO2
0.15ppm
CO
AQI 30
Good
4.75μg/m³
PM2.5
8.85μg/m³
PM10
31.91ppb
O3
0.06ppb
SO2
0.29ppb
NO2
0.15ppm
CO
AQI 30
Good
4.68μg/m³
PM2.5
7.41μg/m³
PM10
31.54ppb
O3
0.08ppb
SO2
0.39ppb
NO2
0.15ppm
CO
AQI 30
Good
4.79μg/m³
PM2.5
7.33μg/m³
PM10
31.89ppb
O3
0.08ppb
SO2
0.51ppb
NO2
0.15ppm
CO
AQI 29
Good
4.70μg/m³
PM2.5
7.23μg/m³
PM10
31.37ppb
O3
0.08ppb
SO2
0.35ppb
NO2
0.15ppm
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 03:00:00 on 2025-06-14.
In the last 24 hrs, the best air quality in Penzance, Cornwall was observed at 06:00:00 on 2025-06-15.
The current air quality in Penzance, Cornwall is 33, categorized as Good based on real-time data.
The most common pollutant in Penzance, Cornwall is PM2.5.
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 5.686 μg/m3.
The current PM10 concentration at Penzance, Cornwall is 10.887 μg/m3.
The current carbon monoxide (CO) concentration at Penzance, Cornwall is 0.146 ppm.
The current sulfur dioxide (SO2) concentration at Penzance, Cornwall is 0.107 ppb.
The current ozone (O3) concentration at Penzance, Cornwall is 31.285 ppm.
The current nitrogen dioxide (NO2) concentration at Penzance, Cornwall is 0.375 ppb.
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