Stay updated with real-time air quality in Harwich, 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
Harwich, Essex
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
9.85 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.64 μg/m³
0
55
155
255
425
605+
52.63 ppb
0
55
71
86
201
201+
1.11 ppb
0
36
76
186
605
1005+
11.15 ppb
0
54
101
361
1250
2050+
0.05 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Harwich, Essex
Harwich, Essex
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AQI 36
Good
4.53μg/m³
PM2.5
8.73μg/m³
PM10
38.91ppb
O3
0.96ppb
SO2
3.74ppb
NO2
0.28ppm
CO
AQI 34
Good
4.19μg/m³
PM2.5
8.55μg/m³
PM10
36.97ppb
O3
1.05ppb
SO2
3.98ppb
NO2
0.28ppm
CO
AQI 32
Good
4.18μg/m³
PM2.5
8.60μg/m³
PM10
34.62ppb
O3
1.05ppb
SO2
4.01ppb
NO2
0.28ppm
CO
AQI 41
Good
4.12μg/m³
PM2.5
9.51μg/m³
PM10
43.88ppb
O3
1.01ppb
SO2
3.17ppb
NO2
0.28ppm
CO
AQI 33
Good
4.17μg/m³
PM2.5
8.41μg/m³
PM10
35.56ppb
O3
1.00ppb
SO2
3.66ppb
NO2
0.28ppm
CO
AQI 31
Good
4.16μg/m³
PM2.5
8.80μg/m³
PM10
34.46ppb
O3
1.00ppb
SO2
3.82ppb
NO2
0.28ppm
CO
Air quality measurements for Essex, UK meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Harwich, Essex is updated on an hourly basis.
The worst air quality in Harwich, Essex was recorded at 07:00:00 on 2025-06-15.
The best air quality in Harwich, Essex was recorded at 10:00:00 on 2025-06-16.
The real-time air quality index in Harwich, Essex is 32, currently categorized as Good.
The most common pollutant in Harwich, Essex is O3.
If the air quality in Harwich, Essex is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Harwich, Essex at present are 4.398 μg/m3.
The current PM10 levels in Harwich, Essex are 9.201 μg/m3.
The current carbon monoxide (CO) level in Harwich, Essex is 0.288 ppm.
The current sulfur dioxide (SO2) levels in Harwich, Essex are 0.911 ppb.
The current ozone (O3) levels at Harwich, Essex is 34.669 ppm.
The current nitrogen dioxide (NO2) levels at Harwich, Essex is 3.47 ppb.
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