1. Europe
  2. United Kingdom
  3. England
  4. Essex
  5. Chelmsford
  6. Great Waltham

Great Waltham

Chelmsford

2026-04-18 09:00
AQHI (Canada)
Low
Pollutants|Pollens
O3
μg/m³
46.3
PM10
μg/m³
12.6
PM2.5
μg/m³
7.9
NO2
μg/m³
14.8
SO2
μg/m³
1.9
Weather
  • ℃
  • ℉
13℃
66%
17 kph
2 of 11
Historical Data
  • Hourly
  • Daily
  • AQHI (Canada)
  • Allergy Risk
  • O3
  • PM10
  • PM2.5
  • NO2
  • SO2
  • Birch
  • Alder
  • Ragweed
  • Mugwort
  • 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

Cities Nearby

Broomfield and The Walthams
AQI 2
Pleshey
AQI 2
Little Waltham
AQI 2
Boreham and The Leighs
AQI 2
Felsted & Stebbing
AQI 2
Broomfield
AQI --
Chelmsford Rural West
AQI --
Great Dunmow South & Barnston
AQI --
Springfield North
AQI --
Flitch Green & Little Dunmow
AQI 2
Patching Hall
AQI --