Okayama air quality · Japan
Healthy air supports better stamina during outdoor workouts
US AQI 33 (Good) in Okayama, from 13 MOE Japan monitoring stations. Main pollutant: PM2.5.
Updated
Pollutants in Okayama
- PM2.5 · µg/m³6.0Under WHO limit
- NO₂ · µg/m³7.5Under WHO limit
- O₃ · µg/m³20.6
- SO₂ · µg/m³2.6Under WHO limit
Concentrations averaged across the city's stations. WHO multiples use the 2021 24-hour guidelines.
Is it safe outside in Okayama 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 Okayama
6 stations, worst first- 江並Good50
- 東岡山Good33
- 南輝Good22
- 西大寺Good22
- 南方Good · roadside17
- 吉備Good17
Roadside and industrial monitors are shown but are not part of the city figure.
Okayama air quality history
Daily average, 16 days- 40average daily US AQI over 16 days
- 73worst day, 1 November
- 17cleanest day, 26 October
- 0days at Unhealthy or worse
The last 7 days averaged 38, better than the week before (47). 14 of the last 16 days were Good.
Nearby cities
Japan rankingOkayama air quality: common questions
What is the AQI in Okayama right now?
The US AQI in Okayama is 33 (Good), based on 13 monitoring stations. The main pollutant is PM2.5.
Is it safe to go outside in Okayama 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 Okayama has the worst air right now?
江並 has the highest reading at 50 (Good). 吉備 has the lowest at 17, out of 6 stations reporting.
How has air quality in Okayama been recently?
Over the last 16 days with data, Okayama averaged US AQI 40. The worst day was 1 November at 73; the cleanest was 26 October at 17. 0 days were at Unhealthy or worse.
Where does Okayama's air quality data come from?
From Ministry of the Environment, Japan · AEROS (soramame.env.go.jp) · preliminary data, using 13 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.