Toggle navigation
Places
AQI (China)
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
North Hertfordshire District
AQI (China)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
North Hertfordshire District
Hertfordshire
2025-03-15 11:00
AQI (China)
Excellent
Pollutants
|
Pollens
PM2.5
μg/m³
7
PM10
μg/m³
6
Alder
0.3
Ragweed
0
Mugwort
0
Birch
0
Olive Tree
0
Grasses
0
Weather
℃
℃
℉
7℃
56%
24 kph
3 of 11
Historical Data
Hourly
Hourly
Daily
AQI (China)
AQI (China)
Allergy Risk
PM2.5
PM10
Alder
Ragweed
Mugwort
Birch
Olive Tree
Grasses
Places included
Arbury
AQI 10
Ashwell
AQI 10
Baldock East
AQI 10
Baldock Town
AQI 10
Barkway
AQI 10
Barley
AQI 10
Bygrave
AQI 10
Cadwell
AQI 10
Caldecote
AQI 10
Chesfield
AQI 10
Clothall
AQI 10
Codicote
AQI 10
Ermine
AQI 17
Graveley
AQI 10
Hexton
AQI 10
Hinxworth
AQI 10
Hitchin Bearton
AQI 10
Hitchin Highbury
AQI 10
Hitchin Oughton
AQI 10
Hitchin Priory
AQI 10
Hitchin Walsworth
AQI 10
Hitchwood, Offa and Hoo
AQI 10
Holwell
AQI 10
Ickleford
AQI 10
Kelshall
AQI 10
Kimpton
AQI 10
King's Walden
AQI 10
Knebworth
AQI 10
Langley
AQI 10
Letchworth East
AQI 10
Letchworth Grange
AQI 10
Letchworth South East
AQI 10
Letchworth South West
AQI 10
Letchworth Wilbury
AQI 10
Lilley
AQI 10
Newnham
AQI 10
Nuthampstead
AQI 21
Offley
AQI 10
Pirton
AQI 10
Preston
AQI 10
Radwell
AQI 10
Reed
AQI 17
Royston
AQI 17
Royston Heath
AQI 17
Royston Meridian
AQI 17
Royston Palace
AQI 17
Rushden
AQI 10
Saint Ippolyts
AQI 10
Saint Paul's Walden
AQI 10
Sandon
AQI 10
Therfield
AQI 17
Wallington
AQI 10
Weston
AQI 10
Weston and Sandon
AQI 10
Wymondley
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
Letchworth South East
AQI 10
Letchworth South West
AQI 10
Hitchin Walsworth
AQI 10
Chesfield
AQI 10
Letchworth East
AQI 10
Weston
AQI 10
Letchworth Wilbury
AQI 10
Baldock Town
AQI 10
Hitchin Bearton
AQI 10
Woodfield
AQI 10
Hitchin Highbury
AQI 10
Air Matters © 2025