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Air quality in Tochigi

Air quality index (AQI⁺) and PM2.5 air pollution in Tochigi • 22:49, Sep 01

Atmospheric Environmental Regional Observation System (AEROS)Tochigi Prefectural Government
Atmospheric Environmental Regional Observation System (AEROS)Tochigi Prefectural Government

Live most polluted city ranking

Real-time Tochigi most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of Japan

Tochigi

75

2
The national flag of Japan

Aramachi

69

3
The national flag of Japan

Sano

64

4
The national flag of Japan

Oyama

63

5
The national flag of Japan

Honjo

62

6
The national flag of Japan

Utsunomiya

60

7
The national flag of Japan

Chuocho

58

8
The national flag of Japan

Yaita

56

9
The national flag of Japan

Nasukarasuyama

50

10
The national flag of Japan

Nasushiobara

50

Live cleanest city ranking

Real-time Tochigi cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Japan

Kanuma

28

2
The national flag of Japan

Ashikaga

44

3
The national flag of Japan

Nikko

44

4
The national flag of Japan

Nasukarasuyama

50

5
The national flag of Japan

Nasushiobara

50

6
The national flag of Japan

Yaita

56

7
The national flag of Japan

Chuocho

58

8
The national flag of Japan

Utsunomiya

60

9
The national flag of Japan

Honjo

62

10
The national flag of Japan

Oyama

63

Wildfires in Tochigi

Real-time information

Active fires

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IQAir Healthpro Plus XE in a living room
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Do air purifiers remove odors or just reduce them?

Dense forest burning.
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Wildfire Map Spotlight: Austin Fire, Oregon

Evening view of Portland.
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September 1, 2026: Portland among top 10 most polluted cities in the world

Which is the most polluted city in Tochigi?