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)
44
Good
Harwich, Essex
Last updated: ... (Local time)
Common air pollutants in Harwich, Essex
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
8.31 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
15.43 μg/m³
0
55
155
255
425
605+
Ozone (O3)
25.55 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.81 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
3.04 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Harwich, Essex
Harwich, Essex
Scroll To Air Quality Map
Track live Harwich, Essex air quality forecast and history
Harwich Loading...
Harwich, Essex air quality map: Real-time AQI near you
Air quality in nearby cities
Felixstowe, Suffolk
AQI 24
Good
3.06μg/m³
PM2.5
13.16μg/m³
PM10
26.21ppb
O3
0.63ppb
SO2
3.08ppb
NO2
0.24ppm
CO
Kesgrave, Suffolk
AQI 22
Good
2.95μg/m³
PM2.5
15.69μg/m³
PM10
23.63ppb
O3
0.68ppb
SO2
3.56ppb
NO2
0.24ppm
CO
Ipswich, Suffolk
AQI 25
Good
2.92μg/m³
PM2.5
15.57μg/m³
PM10
27.03ppb
O3
0.67ppb
SO2
3.56ppb
NO2
0.24ppm
CO
ClactononSea, Essex
AQI 23
Good
2.56μg/m³
PM2.5
7.36μg/m³
PM10
25.22ppb
O3
0.68ppb
SO2
3.88ppb
NO2
0.24ppm
CO
Woodbridge, Suffolk
AQI 24
Good
3.07μg/m³
PM2.5
10.89μg/m³
PM10
25.94ppb
O3
0.62ppb
SO2
2.96ppb
NO2
0.24ppm
CO
Colchester, Essex
AQI 25
Good
2.74μg/m³
PM2.5
7.53μg/m³
PM10
26.62ppb
O3
0.68ppb
SO2
3.59ppb
NO2
0.24ppm
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 2025-07-22.
When did Harwich, Essex have its best air quality in the last 24 hours?
The best air quality in Harwich, Essex was recorded at 09:00:00 on 2025-07-22.
What is the real-time air quality index for Harwich, Essex?
The real-time air quality index in Harwich, Essex is 22, currently categorized as Good.
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 3.038 μg/m3.
What are the current PM10 levels at Harwich, Essex?
The current PM10 levels in Harwich, Essex are 10.168 μg/m3.
What are the current carbon monoxide (CO) levels at Harwich, Essex?
The current carbon monoxide (CO) level in Harwich, Essex is 0.24 ppm.
What are the current sulfur dioxide (SO2) levels at Harwich, Essex?
The current sulfur dioxide (SO2) levels in Harwich, Essex are 0.653 ppb.
What are the current ozone (O3) levels at Harwich, Essex?
The current ozone (O3) levels at Harwich, Essex is 23.818 ppm.
What are the current nitrogen dioxide (NO2) levels at Harwich, Essex?
The current nitrogen dioxide (NO2) levels at Harwich, Essex is 3.331 ppb.
All Rights Reserved © Ambee Inc. 2025