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
Hampshire
Four Marks
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Four Marks
Four Marks, East Hampshire
2025-03-20 00:00
AQI (US)
Moderate
Pollutants
|
Pollens
PM2.5
μg/m³
21
PM10
μg/m³
29
Alder
9.0
Birch
3.0
Ragweed
0
Mugwort
0
Olive Tree
0
Grasses
0
Weather
℃
℃
℉
7℃
83%
4 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
Allergy Risk
PM2.5
PM10
Alder
Birch
Ragweed
Mugwort
Olive Tree
Grasses
Data Sources
http://www.polleninfo.org
http://uk-air.defra.gov.uk/
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
Four Marks
AQI 73
Four Marks & Medstead
AQI 73
Medstead
AQI 73
Lower Farringdon
AQI 70
Ropley, Hawkley & Hangers
AQI 69
Alton Whitedown
AQI 70
Alton Ashdell
AQI 70
Alton Amery
AQI 70
Alton Westbrooke
AQI 70
Alton
AQI 70
Bentworth & Froyle
AQI 73
Air Matters © 2025