Air quality · Asia

Air quality in Japan today

Right now the most polluted of the 19 Japan cities we cover is Tokyo at AQI 98 (Moderate); the cleanest is Kyoto at 47.

US EPA AQI, modelled from the CAMS forecast. Refreshed 3 Nov, 07:52 UTC+0.

Cities in Japan, worst air first

US AQI now in Japan
#	City	AQI	Category	Population
1	Tokyo Capital	98	Moderate	9.7 m people
2	Yokohama Kanagawa	98	Moderate	3.8 m people
3	Aihara Kanagawa	84	Moderate	0.7 m people
4	Saitama	83	Moderate	1.3 m people
5	Sapporo Hokkaido	64	Moderate	2.0 m people
6	Osaka	61	Moderate	2.8 m people
7	Fukuoka	59	Moderate	1.6 m people
8	Kumamoto	58	Moderate	0.7 m people
9	Chiba	57	Moderate	1.0 m people
10	Nagoya Aichi	56	Moderate	2.3 m people
11	Kitakyushu Fukuoka	56	Moderate	0.9 m people
12	Hamamatsu Shizuoka	55	Moderate	0.8 m people
13	Kobe Hyōgo	54	Moderate	1.5 m people
14	Sendai Miyagi	54	Moderate	1.1 m people
15	Niigata	54	Moderate	0.8 m people
16	Okayama	53	Moderate	0.7 m people
17	Hiroshima	52	Moderate	1.2 m people
18	Shizuoka	49	Good	0.7 m people
19	Kyoto	47	Good	1.5 m people

Good 0–50
Moderate 51–100
Unhealthy for sensitive groups 101–150
Unhealthy 151–200
Very unhealthy 201–300
Hazardous 301–500

Each city’s value is the CAMS model at the city’s coordinates, scored on the US EPA AQI. It is an estimate, not a station reading. How we calculate it.

Cities in Japan, worst air first

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