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
Asia
Japan
Saitama Prefecture
Koshigaya
AQI (China)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Koshigaya
Saitama Prefecture, Japan
2026-06-16 19:00
AQI (China)
Excellent
Pollutants
NO2
μg/m³
48.3
PM2.5
μg/m³
7.7
CO
μg/m³
250
O3
μg/m³
7.5
SO2
μg/m³
2.9
Weather
℃
℃
℉
22℃
81%
15 kph
1 of 11
Historical Data
Hourly
Hourly
Daily
AQI (China)
AQI (China)
NO2
PM2.5
CO
O3
SO2
Places included
Higashikoshigaya
AQI 26
Onma Shinden
AQI 10
千間台西
AQI 23
Data Sources
http://soramame.taiki.go.jp/
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
Koshigaya
AQI 25
Soka
AQI 20
Yashio
AQI 16
Kasukabe
AQI 27
Misato
AQI 14
Noda
AQI 24
Nagareyama
AQI 13
Kawaguchi
AQI 20
Adachi
AQI 22
Toda
AQI 20
Saitama
AQI 20
Air Matters © 2026