Toggle navigation
Places
AQI (India)
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
Hertfordshire
Saint Albans District
Harpenden
AQI (India)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Harpenden
Saint Albans District
2026-04-16 00:00
AQI (India)
Good
Pollutants
|
Pollens
PM2.5
μg/m³
6
PM10
μg/m³
8
Birch
8.2
Alder
0.4
Grasses
0.4
Ragweed
0
Mugwort
0
Olive Tree
0
Weather
℃
℃
℉
9℃
88%
19 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (India)
AQI (India)
Allergy Risk
PM2.5
PM10
Birch
Alder
Grasses
Ragweed
Mugwort
Olive Tree
Places included
Harpenden
AQI 10
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
Harpenden West
AQI 10
Harpenden
AQI 10
Harpenden East
AQI 10
Harpenden South
AQI 10
Harpenden North & Rural
AQI 10
Sandridge & Wheathampstead
AQI 10
Redbourn
AQI 10
Sandridge
AQI 9
Bernards Heath
AQI 9
Batchwood
AQI 9
Marshalswick West
AQI 9
Air Matters © 2026