Sasebo air quality · Nagasaki, Japan
Healthy air supports better stamina during outdoor workouts
US AQI 11 (Good) in Sasebo, from 5 MOE Japan monitoring stations. Main pollutant: PM2.5.
Updated
Pollutants in Sasebo
- PM2.5 · µg/m³2.0Under WHO limit
- NO₂ · µg/m³2.8Under WHO limit
- O₃ · µg/m³76.4
Concentrations averaged across the city's stations. WHO multiples use the 2021 24-hour guidelines.
Is it safe outside in Sasebo 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 Sasebo
3 stations, worst first- 福石Good · roadside17
- 大塔Good11
- 吉井Good11
Roadside and industrial monitors are shown but are not part of the city figure.
Sasebo air quality history
Daily average, 16 days- 37average daily US AQI over 16 days
- 62worst day, 31 October
- 8cleanest day, 25 October
- 0days at Unhealthy or worse
The last 7 days averaged 36, better than the week before (43). 14 of the last 16 days were Good.
Nearby cities
Japan rankingSasebo air quality: common questions
What is the AQI in Sasebo right now?
The US AQI in Sasebo is 11 (Good), based on 5 monitoring stations. The main pollutant is PM2.5.
Is it safe to go outside in Sasebo 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 Sasebo has the worst air right now?
福石 has the highest reading at 17 (Good). 吉井 has the lowest at 11, out of 3 stations reporting.
How has air quality in Sasebo been recently?
Over the last 16 days with data, Sasebo averaged US AQI 37. The worst day was 31 October at 62; the cleanest was 25 October at 8. 0 days were at Unhealthy or worse.
Where does Sasebo's air quality data come from?
From Ministry of the Environment, Japan · AEROS (soramame.env.go.jp) · preliminary data, using 5 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.