Yokosuka air quality · Kanagawa, Japan
Clean overnight air is linked to deeper, less interrupted sleep
US AQI 28 (Good) in Yokosuka, from 9 MOE Japan monitoring stations. Main pollutant: PM2.5.
Updated
Pollutants in Yokosuka
- PM2.5 · µg/m³5.0Under WHO limit
- NO₂ · µg/m³20.7Under WHO limit
- O₃ · µg/m³41.2
- SO₂ · µg/m³5.2Under WHO limit
Concentrations averaged across the city's stations. WHO multiples use the 2021 24-hour guidelines.
Is it safe outside in Yokosuka 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 Yokosuka
5 stations, worst first- 久里浜行政センターGood33
- 追浜行政センターGood22
- 西行政センターGood22
- 小川町交差点Good · roadside22
- 池上コミュニティセンター測定局Good6
Roadside and industrial monitors are shown but are not part of the city figure.
Yokosuka air quality history
Daily average, 16 days- 33average daily US AQI over 16 days
- 61worst day, 2 November
- 19cleanest day, 7 November
- 0days at Unhealthy or worse
The last 7 days averaged 26, better than the week before (42). 13 of the last 16 days were Good.
Nearby cities
Japan rankingYokosuka air quality: common questions
What is the AQI in Yokosuka right now?
The US AQI in Yokosuka is 28 (Good), based on 9 monitoring stations. The main pollutant is PM2.5.
Is it safe to go outside in Yokosuka 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 Yokosuka has the worst air right now?
久里浜行政センター has the highest reading at 33 (Good). 池上コミュニティセンター測定局 has the lowest at 6, out of 5 stations reporting.
How has air quality in Yokosuka been recently?
Over the last 16 days with data, Yokosuka averaged US AQI 33. The worst day was 2 November at 61; the cleanest was 7 November at 19. 0 days were at Unhealthy or worse.
Where does Yokosuka's air quality data come from?
From Ministry of the Environment, Japan · AEROS (soramame.env.go.jp) · preliminary data, using 9 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.