Stay updated with real-time air quality in Waltham Abbey, Essex 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)
52
Moderate
Waltham Abbey, Essex
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.42 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.87 μg/m³
0
55
155
255
425
605+
22.88 ppb
0
55
71
86
201
201+
0.87 ppb
0
36
76
186
605
1005+
17.84 ppb
0
54
101
361
1250
2050+
0.53 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Waltham Abbey, Essex
Waltham Abbey, Essex
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AQI 49
Good
8.93μg/m³
PM2.5
31.43μg/m³
PM10
23.27ppb
O3
0.80ppb
SO2
17.75ppb
NO2
0.63ppm
CO
AQI 49
Good
9.27μg/m³
PM2.5
31.46μg/m³
PM10
23.22ppb
O3
0.80ppb
SO2
17.95ppb
NO2
0.63ppm
CO
AQI 52
Moderate
10.12μg/m³
PM2.5
31.88μg/m³
PM10
22.99ppb
O3
0.78ppb
SO2
18.13ppb
NO2
0.63ppm
CO
AQI 52
Moderate
10.38μg/m³
PM2.5
31.82μg/m³
PM10
22.93ppb
O3
0.78ppb
SO2
18.36ppb
NO2
0.63ppm
CO
AQI 38
Good
7.04μg/m³
PM2.5
10.67μg/m³
PM10
21.18ppb
O3
0.94ppb
SO2
16.29ppb
NO2
0.63ppm
CO
AQI 52
Moderate
9.63μg/m³
PM2.5
31.49μg/m³
PM10
23.17ppb
O3
0.80ppb
SO2
18.62ppb
NO2
0.63ppm
CO
Air quality and pollutant data for Essex, UK are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Waltham Abbey, Essex is updated every hour for accuracy.
In the past 24 hours, the air quality in Waltham Abbey, Essex was at its worst at 01:00:00 on 2026-02-12.
In the last 24 hours, the best air quality in Waltham Abbey, Essex was observed at 06:00:00 on 2026-02-11.
As of now, the AQI in Waltham Abbey, Essex is 52, indicating Moderate conditions.
Waltham Abbey, Essex air has the highest levels of PM2.5.
Poor air quality in Waltham Abbey, Essex means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Waltham Abbey, Essex are currently 10.424 μg/m3.
The PM10 concentration in Waltham Abbey, Essex is 24.87 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Waltham Abbey, Essex is 0.531 ppm.
Currently, Waltham Abbey, Essex has a sulfur dioxide (SO2) concentration of 0.874 ppb.
The current ozone (O3) level in Waltham Abbey, Essex at the moment is 22.878 ppm.
Nitrogen dioxide (NO2) level in Waltham Abbey, Essex at the moment is 17.836 ppb.
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