Stay updated with real-time air quality in Portishead, North Somerset 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)
99
Moderate
Portishead, North Somerset
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
34.60 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
41.30 μg/m³
0
55
155
255
425
605+
16.16 ppb
0
55
71
86
201
201+
0.52 ppb
0
36
76
186
605
1005+
15.16 ppb
0
54
101
361
1250
2050+
0.07 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Portishead, North Somerset
Portishead, North Somerset
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AQI 99
Moderate
34.60μg/m³
PM2.5
41.30μg/m³
PM10
16.16ppb
O3
0.52ppb
SO2
15.16ppb
NO2
0.07ppm
CO
AQI 99
Moderate
34.60μg/m³
PM2.5
41.30μg/m³
PM10
16.16ppb
O3
0.52ppb
SO2
15.16ppb
NO2
0.07ppm
CO
AQI 96
Moderate
33.04μg/m³
PM2.5
40.09μg/m³
PM10
10.54ppb
O3
0.56ppb
SO2
15.78ppb
NO2
0.06ppm
CO
AQI 96
Moderate
33.29μg/m³
PM2.5
40.22μg/m³
PM10
10.97ppb
O3
0.56ppb
SO2
15.82ppb
NO2
0.06ppm
CO
AQI 96
Moderate
33.29μg/m³
PM2.5
40.22μg/m³
PM10
10.97ppb
O3
0.56ppb
SO2
15.82ppb
NO2
0.06ppm
CO
AQI 97
Moderate
33.56μg/m³
PM2.5
40.37μg/m³
PM10
11.49ppb
O3
0.56ppb
SO2
15.86ppb
NO2
0.06ppm
CO
The air quality data for North Somerset, UK is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Portishead, North Somerset are available every hour.
Portishead, North Somerset experienced its worst air quality at 10:00:00, 2026-03-09.
The best air quality in Portishead, North Somerset was observed at 04:00:00 on 2026-03-09.
The air quality in Portishead, North Somerset right now is Moderate, with an AQI of 99.
In Portishead, North Somerset, PM2.5 is the most frequently found pollutant.
When air quality in Portishead, North Somerset is compromised, staying indoors and wearing a mask can reduce health risks.
Portishead, North Somerset currently has a PM2.5 concentration of 34.604 μg/m3.
Portishead, North Somerset currently has a PM10 concentration of 41.295 μg/m3.
The current carbon monoxide (CO) level in Portishead, North Somerset is 0.066 ppm.
The current sulfur dioxide (SO2) concentration in Portishead, North Somerset is 0.516 ppb.
Portishead, North Somerset currently has an ozone (O3) concentration of 16.156 ppm.
The current level of nitrogen dioxide (NO2) in Portishead, North Somerset is 15.165 ppb.
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