Toggle navigation
Places
CAQI (Europe)
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
Hertsmere District
Borehamwood Hillside
CAQI (Europe)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Borehamwood Hillside
Hertsmere District, Hertfordshire
2025-03-18 22:00
CAQI (Europe)
Very Low
Pollutants
|
Pollens
PM10
μg/m³
17
PM2.5
μg/m³
9
Alder
5.0
Ragweed
0
Mugwort
0
Birch
0
Olive Tree
0
Grasses
0
Weather
℃
℃
℉
2℃
81%
6 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
CAQI (Europe)
CAQI (Europe)
Allergy Risk
PM10
PM2.5
Alder
Ragweed
Mugwort
Birch
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
Borehamwood Hillside
AQI 17
Borehamwood
AQI 17
Borehamwood Kenilworth
AQI 17
Elstree
AQI 17
Borehamwood Brookmeadow
AQI 17
Edgwarebury
AQI 17
Borehamwood Cowley Hill
AQI 17
High Barnet
AQI 17
Edgware
AQI 17
Aldenham East
AQI 17
Canons
AQI 17
Air Matters © 2025