Ōita air quality · Oita, Japan
Clear air is not just pleasant, it is preventive health
US AQI 22 (Good) in Ōita, from 12 MOE Japan monitoring stations. Main pollutant: PM2.5.
Updated
Pollutants in Ōita
- PM2.5 · µg/m³4.0Under WHO limit
- NO₂ · µg/m³3.8Under WHO limit
- O₃ · µg/m³62.7
- SO₂ · µg/m³5.2Under 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 Ōita 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 Ōita
4 stations, worst first- 戸次中学校Good28
- 大在小学校Good22
- 西部清掃事業所Good22
- 王子中学校Good6
Ōita air quality history
Daily average, 16 days- 40average daily US AQI over 16 days
- 66worst day, 1 November
- 16cleanest day, 26 October
- 0days at Unhealthy or worse
The last 7 days averaged 38, better than the week before (47). 13 of the last 16 days were Good.
Nearby cities
Japan rankingŌita air quality: common questions
What is the AQI in Ōita right now?
The US AQI in Ōita is 22 (Good), based on 12 monitoring stations. The main pollutant is PM2.5.
Is it safe to go outside in Ōita 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 Ōita has the worst air right now?
戸次中学校 has the highest reading at 28 (Good). 王子中学校 has the lowest at 6, out of 4 stations reporting.
How has air quality in Ōita been recently?
Over the last 16 days with data, Ōita averaged US AQI 40. The worst day was 1 November at 66; the cleanest was 26 October at 16. 0 days were at Unhealthy or worse.
Where does Ōita's air quality data come from?
From Ministry of the Environment, Japan · AEROS (soramame.env.go.jp) · preliminary data, using 12 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.