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)
22
Good
Harwich, Essex
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.67 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.56 μg/m³
0
55
155
255
425
605+
21.86 ppb
0
55
71
86
201
201+
0.96 ppb
0
36
76
186
605
1005+
2.46 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 21
Good
3.45μg/m³
PM2.5
7.17μg/m³
PM10
22.72ppb
O3
0.88ppb
SO2
2.05ppb
NO2
0.05ppm
CO
AQI 22
Good
3.54μg/m³
PM2.5
7.10μg/m³
PM10
21.21ppb
O3
1.07ppb
SO2
2.04ppb
NO2
0.05ppm
CO
AQI 22
Good
3.74μg/m³
PM2.5
7.20μg/m³
PM10
21.57ppb
O3
1.07ppb
SO2
2.06ppb
NO2
0.04ppm
CO
AQI 23
Good
3.75μg/m³
PM2.5
7.36μg/m³
PM10
24.63ppb
O3
1.04ppb
SO2
2.18ppb
NO2
0.04ppm
CO
AQI 20
Good
3.22μg/m³
PM2.5
6.04μg/m³
PM10
22.07ppb
O3
0.97ppb
SO2
1.94ppb
NO2
0.05ppm
CO
AQI 22
Good
3.93μg/m³
PM2.5
7.75μg/m³
PM10
24.43ppb
O3
1.06ppb
SO2
2.57ppb
NO2
0.04ppm
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 08:00:00 on 2025-06-05.
The best air quality in Harwich, Essex was recorded at 06:00:00 on 2025-06-06.
The real-time air quality index in Harwich, Essex is 22, currently categorized as Good.
The most common pollutant in Harwich, Essex is PM2.5.
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 3.666 μg/m3.
The current PM10 levels in Harwich, Essex are 7.564 μg/m3.
The current carbon monoxide (CO) level in Harwich, Essex is 0.046 ppm.
The current sulfur dioxide (SO2) levels in Harwich, Essex are 0.957 ppb.
The current ozone (O3) levels at Harwich, Essex is 21.858 ppm.
The current nitrogen dioxide (NO2) levels at Harwich, Essex is 2.464 ppb.
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