Niigata air quality · Japan
Your lungs have an easier day when the air stays this clean
US AQI 6 (Good) in Niigata, from 5 MOE Japan monitoring stations. Main pollutant: PM2.5.
Updated
Pollutants in Niigata
- PM2.5 · µg/m³1.0Under WHO limit
- NO₂ · µg/m³3.8Under WHO limit
- O₃ · µg/m³86.2
- 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 Niigata 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 →
Niigata air quality history
Daily average, 16 days- 29average daily US AQI over 16 days
- 49worst day, 31 October
- 13cleanest day, 5 November
- 0days at Unhealthy or worse
The last 7 days averaged 25, better than the week before (34). 16 of the last 16 days were Good.
Nearby cities
Japan rankingNiigata air quality: common questions
What is the AQI in Niigata right now?
The US AQI in Niigata is 6 (Good), based on 5 monitoring stations. The main pollutant is PM2.5.
Is it safe to go outside in Niigata 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.
How has air quality in Niigata been recently?
Over the last 16 days with data, Niigata averaged US AQI 29. The worst day was 31 October at 49; the cleanest was 5 November at 13. 0 days were at Unhealthy or worse.
Where does Niigata'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.