Worst now

Niigata air quality today

Jōetsu Niigata22 GoodUS AQI

Healthy air supports better stamina during outdoor workouts

Updated 4:00 am JST · MOE Japan

2 cities in Niigata are reporting. Median US AQI 14 (Good). Jōetsu is at 22 (Good); Niigata is cleanest at 6.

#	City	US AQI
1	Jōetsu	22
2	Niigata	6

Updated 4:00 am JST. Source: Ministry of the Environment, Japan · AEROS (soramame.env.go.jp) · preliminary data.