Sōka air quality · Saitama, Japan
Clean overnight air is linked to deeper, less interrupted sleep
US AQI 22 (Good) in Sōka, from 26 MOE Japan monitoring stations. Main pollutant: PM2.5.
Updated
Pollutants in Sōka
- PM2.5 · µg/m³4.0Under WHO limit
- NO₂ · µg/m³13.2Under WHO limit
- O₃ · µg/m³38.2
- 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 Sōka 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 Sōka
9 stations, worst first- 草加市花栗自排Good · roadside28
- 三郷Good28
- 川口市南平Good22
- 足立区西新井Good22
- 環七通り亀有Good · roadside22
Show all 9 stations
- 八潮Good17
- 足立区綾瀬Good17
- 日光街道梅島Good · roadside17
- 葛飾区水元公園Good17
Roadside and industrial monitors are shown but are not part of the city figure.
Sōka air quality history
Daily average, 16 days- 36average daily US AQI over 16 days
- 64worst day, 2 November
- 16cleanest day, 7 November
- 0days at Unhealthy or worse
The last 7 days averaged 30, better than the week before (45). 13 of the last 16 days were Good.
Nearby cities
Japan rankingSōka air quality: common questions
What is the AQI in Sōka right now?
The US AQI in Sōka is 22 (Good), based on 26 monitoring stations. The main pollutant is PM2.5.
Is it safe to go outside in Sōka 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 Sōka has the worst air right now?
草加市花栗自排 has the highest reading at 28 (Good). 葛飾区水元公園 has the lowest at 17, out of 9 stations reporting.
How has air quality in Sōka been recently?
Over the last 16 days with data, Sōka averaged US AQI 36. The worst day was 2 November at 64; the cleanest was 7 November at 16. 0 days were at Unhealthy or worse.
Where does Sōka's air quality data come from?
From Ministry of the Environment, Japan · AEROS (soramame.env.go.jp) · preliminary data, using 26 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.