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)
22
Good
Lewes, East Sussex
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.77 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.75 μg/m³
0
55
155
255
425
605+
21.16 ppb
0
55
71
86
201
201+
0.76 ppb
0
36
76
186
605
1005+
2.18 ppb
0
54
101
361
1250
2050+
0.02 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 17
Good
3.49μg/m³
PM2.5
8.06μg/m³
PM10
17.59ppb
O3
0.82ppb
SO2
4.32ppb
NO2
0.03ppm
CO
AQI 19
Good
3.27μg/m³
PM2.5
7.88μg/m³
PM10
21.03ppb
O3
0.82ppb
SO2
4.94ppb
NO2
0.03ppm
CO
AQI 22
Good
3.52μg/m³
PM2.5
7.98μg/m³
PM10
20.75ppb
O3
0.82ppb
SO2
4.00ppb
NO2
0.03ppm
CO
AQI 22
Good
4.06μg/m³
PM2.5
9.56μg/m³
PM10
16.49ppb
O3
0.82ppb
SO2
3.73ppb
NO2
0.03ppm
CO
AQI 22
Good
3.88μg/m³
PM2.5
7.96μg/m³
PM10
22.78ppb
O3
0.72ppb
SO2
1.61ppb
NO2
0.03ppm
CO
AQI 22
Good
3.57μg/m³
PM2.5
11.65μg/m³
PM10
17.19ppb
O3
0.81ppb
SO2
5.74ppb
NO2
0.03ppm
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 07:00:00, 2025-07-22.
The best air quality in Lewes, East Sussex was observed at 09:00:00 on 2025-07-23.
The air quality in Lewes, East Sussex right now is Good, with an AQI of 17.
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 3.494 μg/m3.
Lewes, East Sussex currently has a PM10 concentration of 8.064 μg/m3.
The current carbon monoxide (CO) level in Lewes, East Sussex is 0.029 ppm.
The current sulfur dioxide (SO2) concentration in Lewes, East Sussex is 0.82 ppb.
Lewes, East Sussex currently has an ozone (O3) concentration of 17.59 ppm.
The current level of nitrogen dioxide (NO2) in Lewes, East Sussex is 4.315 ppb.
All Rights Reserved © Ambee Inc. 2025