Tokorozawa air quality · Saitama, Japan
This is what breathable city air is supposed to feel like
US AQI 39 (Good) in Tokorozawa, from 22 MOE Japan monitoring stations. Main pollutant: PM2.5.
Updated
Pollutants in Tokorozawa
- PM2.5 · µg/m³7.0Under WHO limit
- NO₂ · µg/m³16.9Under WHO limit
- O₃ · µg/m³21.6
- SO₂ · µg/m³2.6Under WHO limit
- CO · mg/m³0.23
Concentrations averaged across the city's stations. WHO multiples use the 2021 24-hour guidelines.
Is it safe outside in Tokorozawa right now?
Air quality is satisfactory and poses little or no risk.
Walking and commuting
Go aheadEnjoy it.
Running and jogging
Go aheadA great time to run outdoors.
Cycling
Go aheadRide freely.
Children playing outside
Go aheadNo limits.
Older adults and heart or lung conditions
Go aheadNo limits.
Open windows
Go aheadAir out your home.
Mask outdoors
Not neededNot needed.
Air purifier indoors
Not neededNot needed.
Based on the US EPA Air Quality Guide, applied to the current US AQI category. If you have symptoms, follow your doctor's advice.
What US AQI 0–50 means for your health →
Air quality by area in Tokorozawa
23 stations, worst first- 所沢市和ヶ原Good · roadside50
- 入間Good50
- 東大和市奈良橋Good50
- 清瀬市上清戸Good50
- 小金井街道東久留米Good · roadside50
Show all 23 stations
- 東京環状長岡Good · roadside50
- 所沢市北野Good44
- 飯能Good44
- 川越市霞ケ関Good39
- 川越市仙波Good · roadside39
- 所沢市東所沢Good39
- 新座Good39
- 日高Good39
- 小平市小川町Good39
- 川越市高階Good33
- 川越市川越Good33
- 狭山Good33
- 小金井市東町Good33
- 青梅街道柳沢Good · roadside33
- 新青梅街道東村山Good · roadside28
- 西東京市南町Good28
- 西東京市下保谷Good28
- 五日市街道武蔵境Good · roadside22
Roadside and industrial monitors are shown but are not part of the city figure.
Tokorozawa air quality history
Daily average, 16 days- 32average daily US AQI over 16 days
- 60worst day, 2 November
- 13cleanest day, 7 November
- 0days at Unhealthy or worse
The last 7 days averaged 24, better than the week before (41). 13 of the last 16 days were Good.
Nearby cities
Japan rankingTokorozawa air quality: common questions
What is the AQI in Tokorozawa right now?
The US AQI in Tokorozawa is 39 (Good), based on 22 monitoring stations. The main pollutant is PM2.5.
Is it safe to go outside in Tokorozawa today?
A great time to be outside. Air quality is satisfactory and poses little or no risk. For runners: A great time to run outdoors.
Which area of Tokorozawa has the worst air right now?
所沢市和ヶ原 has the highest reading at 50 (Good). 五日市街道武蔵境 has the lowest at 22, out of 23 stations reporting.
How has air quality in Tokorozawa been recently?
Over the last 16 days with data, Tokorozawa averaged US AQI 32. The worst day was 2 November at 60; the cleanest was 7 November at 13. 0 days were at Unhealthy or worse.
Where does Tokorozawa's air quality data come from?
From Ministry of the Environment, Japan · AEROS (soramame.env.go.jp) · preliminary data, using 22 monitoring stations in and around the city. Good Air does not estimate or adjust these readings.
Source: Ministry of the Environment, Japan · AEROS (soramame.env.go.jp) · preliminary data. Readings are published by the monitoring agency and may be revised.