Real-time air quality index in Harwich, Essex today
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)
108
Unhealthy for sensitive groups
Harwich, Essex
Last updated: ... (Local time)
Common air pollutants in Harwich, Essex
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
11.02 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
27.05 μg/m³
0
55
155
255
425
605+
Ozone (O3)
72.61 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.67 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
10.64 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.04 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Harwich, Essex
Harwich, Essex
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Harwich, Essex air quality map: Real-time AQI near you
Air quality in nearby cities
Felixstowe, Suffolk
AQI 101
Unhealthy for sensitive groups
12.08μg/m³
PM2.5
27.45μg/m³
PM10
70.52ppb
O3
0.79ppb
SO2
5.36ppb
NO2
0.05ppm
CO
Kesgrave, Suffolk
AQI 77
Moderate
11.29μg/m³
PM2.5
25.79μg/m³
PM10
63.44ppb
O3
0.73ppb
SO2
5.58ppb
NO2
0.04ppm
CO
Ipswich, Suffolk
AQI 67
Moderate
10.10μg/m³
PM2.5
25.61μg/m³
PM10
59.75ppb
O3
0.73ppb
SO2
9.60ppb
NO2
0.04ppm
CO
ClactononSea, Essex
AQI 77
Moderate
9.96μg/m³
PM2.5
25.52μg/m³
PM10
62.77ppb
O3
0.75ppb
SO2
5.18ppb
NO2
0.04ppm
CO
Woodbridge, Suffolk
AQI 90
Moderate
11.83μg/m³
PM2.5
25.63μg/m³
PM10
67.30ppb
O3
0.76ppb
SO2
6.83ppb
NO2
0.05ppm
CO
Colchester, Essex
AQI 74
Moderate
9.56μg/m³
PM2.5
25.42μg/m³
PM10
61.54ppb
O3
0.74ppb
SO2
5.16ppb
NO2
0.04ppm
CO
How accurate is Essex, UK air quality data?
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
Frequently asked questions
How frequently is the air quality data for Harwich, Essex updated?
Air quality data for Harwich, Essex is updated on an hourly basis.
When did Harwich, Essex experience the worst air quality in the last 24 hours?
The worst air quality in Harwich, Essex was recorded at 04:00:00 on 2026-08-14.
When did Harwich, Essex have its best air quality in the last 24 hours?
The best air quality in Harwich, Essex was recorded at 03:00:00 on 2026-08-14.
What is the real-time air quality index for Harwich, Essex?
The real-time air quality index in Harwich, Essex is 108, currently categorized as Unhealthy for Sensitive Groups.
Which pollutant is found most often in Harwich, Essex?
The most common pollutant in Harwich, Essex is O3.
What can I do if the air quality in Harwich, Essex is poor?
If the air quality in Harwich, Essex is poor, limit outdoor activities and use a mask to safeguard your health.
What are the current PM2.5 levels in Harwich, Essex?
The measured PM2.5 levels in Harwich, Essex at present are 11.02 μg/m3.
What are the current PM10 levels at Harwich, Essex?
The current PM10 levels in Harwich, Essex are 27.047 μg/m3.
What are the current carbon monoxide (CO) levels at Harwich, Essex?
The current carbon monoxide (CO) level in Harwich, Essex is 0.043 ppm.
What are the current sulfur dioxide (SO2) levels at Harwich, Essex?
The current sulfur dioxide (SO2) levels in Harwich, Essex are 0.667 ppb.
What are the current ozone (O3) levels at Harwich, Essex?
The current ozone (O3) levels at Harwich, Essex is 72.608 ppm.
What are the current nitrogen dioxide (NO2) levels at Harwich, Essex?
The current nitrogen dioxide (NO2) levels at Harwich, Essex is 10.639 ppb.
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