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Air quality in Niigata

Air quality index (AQI⁺) and PM2.5 air pollution in Niigata • 13:39, Oct 30

Niigata Prefecture GovernmentAtmospheric Environmental Regional Observation System (AEROS)Ishikawa Prefectural Government
Niigata Prefecture GovernmentAtmospheric Environmental Regional Observation System (AEROS)Ishikawa Prefectural Government

Live most polluted city ranking

Real-time Niigata most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of Japan

Itoigawa

50

2
The national flag of Japan

Joetsu

50

3
The national flag of Japan

Nagaoka

50

4
The national flag of Japan

Niigata

33

5
The national flag of Japan

Sakaihigashi

33

6
The national flag of Japan

Shibata

33

7
The national flag of Japan

Minamiuonuma

28

8
The national flag of Japan

Seki

22

9
The national flag of Japan

Kashiwazaki

11

10
The national flag of Japan

Sado

6

Live cleanest city ranking

Real-time Niigata cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Japan

Sado

6

2
The national flag of Japan

Kashiwazaki

11

3
The national flag of Japan

Seki

22

4
The national flag of Japan

Minamiuonuma

28

5
The national flag of Japan

Niigata

33

6
The national flag of Japan

Sakaihigashi

33

7
The national flag of Japan

Shibata

33

8
The national flag of Japan

Itoigawa

50

9
The national flag of Japan

Joetsu

50

10
The national flag of Japan

Nagaoka

50

Wildfires in Niigata

Real-time information

Active fires

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Aerial view of multiple houses covered in haze.
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China Air Quality Alert

Small group of people cycling in morning smog.
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India Air Quality Alert

Polluted skies of Almaty.
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October 28, 2026: Almaty among top 10 most polluted cities in the world

Which is the most polluted city in Niigata?