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
Barkway
CAQI (Europe)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Barkway
North Hertfordshire District
2026-03-11 11:00
CAQI (Europe)
Very Low
Pollutants
|
Pollens
O3
μg/m³
38.6
NO2
μg/m³
13.2
PM10
μg/m³
5.9
PM2.5
μg/m³
3.5
SO2
μg/m³
0.9
Alder
9.0
Ragweed
0
Mugwort
0
Birch
0
Olive Tree
0
Grasses
0
Weather
℃
℃
℉
11℃
63%
22 kph
2 of 11
Historical Data
Hourly
Hourly
Daily
CAQI (Europe)
CAQI (Europe)
Allergy Risk
O3
NO2
PM10
PM2.5
SO2
Alder
Ragweed
Mugwort
Birch
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
Scan QR Code to Download App
iOS
Google Play
Download APK
Cities Nearby
Ermine
AQI 29
Wyddial
AQI 28
Royston Heath
AQI 29
Royston Meridian
AQI 29
Royston
AQI 29
Royston Palace
AQI 29
Lower Green
AQI 31
Buntingford
AQI 28
Melbourn
AQI 17
Weston and Sandon
AQI 9
Bassingbourn
AQI 10
Air Matters © 2026