Stay updated with real-time air quality in Lewes, East Sussex 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
Lewes, East Sussex
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.28 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.67 μg/m³
0
55
155
255
425
605+
27.64 ppb
0
55
71
86
201
201+
0.38 ppb
0
36
76
186
605
1005+
1.37 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Lewes, East Sussex
Lewes, East Sussex
Scroll To Air Quality MapLoading...
AQI 28
Good
5.49μg/m³
PM2.5
17.88μg/m³
PM10
29.83ppb
O3
0.30ppb
SO2
2.26ppb
NO2
0.02ppm
CO
AQI 29
Good
5.13μg/m³
PM2.5
17.46μg/m³
PM10
30.56ppb
O3
0.29ppb
SO2
1.98ppb
NO2
0.02ppm
CO
AQI 29
Good
5.27μg/m³
PM2.5
9.32μg/m³
PM10
31.31ppb
O3
0.30ppb
SO2
2.07ppb
NO2
0.02ppm
CO
AQI 33
Good
6.06μg/m³
PM2.5
14.22μg/m³
PM10
27.27ppb
O3
0.31ppb
SO2
2.61ppb
NO2
0.02ppm
CO
AQI 31
Good
4.92μg/m³
PM2.5
10.17μg/m³
PM10
33.97ppb
O3
0.29ppb
SO2
1.99ppb
NO2
0.02ppm
CO
AQI 33
Good
6.31μg/m³
PM2.5
10.01μg/m³
PM10
30.43ppb
O3
0.31ppb
SO2
2.22ppb
NO2
0.02ppm
CO
The air quality data for East Sussex, 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 Lewes, East Sussex are available every hour.
Lewes, East Sussex experienced its worst air quality at 10:00:00, 2025-09-17.
The best air quality in Lewes, East Sussex was observed at 07:00:00 on 2025-09-17.
The air quality in Lewes, East Sussex right now is Good, with an AQI of 28.
In Lewes, East Sussex, O3 is the most frequently found pollutant.
When air quality in Lewes, East Sussex is compromised, staying indoors and wearing a mask can reduce health risks.
Lewes, East Sussex currently has a PM2.5 concentration of 5.493 μg/m3.
Lewes, East Sussex currently has a PM10 concentration of 17.884 μg/m3.
The current carbon monoxide (CO) level in Lewes, East Sussex is 0.02 ppm.
The current sulfur dioxide (SO2) concentration in Lewes, East Sussex is 0.296 ppb.
Lewes, East Sussex currently has an ozone (O3) concentration of 29.829 ppm.
The current level of nitrogen dioxide (NO2) in Lewes, East Sussex is 2.258 ppb.
All Rights Reserved © Ambee Inc. 2025