Toggle navigation
Places
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
English
Français
Deutsch
日本語
한국어
简体中文
繁體中文
Europe
United Kingdom
England
Essex
Great Horkesley
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Great Horkesley
Borough of Colchester
2026-03-11 10:00
AQI (US)
Good
Pollutants
|
Pollens
PM2.5
μg/m³
6.3
O3
μg/m³
73.7
PM10
μg/m³
11
NO2
μg/m³
12.7
SO2
μg/m³
0.2
Alder
9.0
Ragweed
0
Mugwort
0
Birch
0
Olive Tree
0
Grasses
0
Weather
℃
℃
℉
11℃
71%
29 kph
1 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
Allergy Risk
PM2.5
O3
PM10
NO2
SO2
Alder
Ragweed
Mugwort
Birch
Olive Tree
Grasses
Get the App
Scan QR Code
Air Matters
Realtime broadcasting air quality information on your phone for more than 180 countries.
iPhone, iPad
Android
Scan QR Code to Download App
iOS
Google Play
Download APK
Cities Nearby
Mile End
AQI 35
West Bergholt
AQI 35
Lexden and Braiswick
AQI 35
Highwoods
AQI 35
Castle
AQI 35
Langham
AQI 35
Bures St Mary & Nayland
AQI 35
Leavenheath
AQI 35
St Anne's and St John's
AQI 35
Prettygate
AQI 35
New Town and Christ Church
AQI 35
Air Matters © 2026