SmogRank / World / Japan / Hyōgo / October 2026

Most polluted cities in Hyōgo, Japan, October 2026

17 cities in Hyōgo, Japan ranked by their average PM2.5 so far (5 of 31 days). Worst: Amagasaki at 8.4 µg/m³, #709 of 2,246 cities in the world. Cleanest: Tatsuno at 5.6. A city needs measurements on 70% of the days to be ranked.

Ranked by unhealthy days: the share of each city's measured days with a daily mean over 35.4 µg/m³ (US AQI 101+), Unhealthy for Sensitive Groups or worse on the US EPA's scale. Ties go to the higher average.

← Amagasaki 0% 0.75%0

Every city in Hyōgo, Japan ranked for October 2026, one column each, ranked by unhealthy days: height is the share of its measured days that were unhealthy, colour its average. Point at it to read a city; tap to open it.

1Amagasaki
0%
2Nishinomiya
0%
2Kobe
0%
4Sumoto
0%
5Higashinozoe
0%
5Kakogawachō-honmachi
0%
7Takarazuka
0%
7Sandachō
0%
9Akashi
0%
10Kariya
0%
11Nishiwaki
0%
12Ono
0%
13Himeji
0%
13Aioi
0%
15Toyooka
0%
16Ikaruga
0%
17Tatsuno
0%

Good0–50

Moderate51–100

Sensitive groups101–150

Unhealthy151–200

Very unhealthy201–300

Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

All cities in the world, October 2026 · All cities in Japan, October 2026 · Hyōgo now

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SmogRank, most polluted cities in Hyōgo, Japan, PM2.5, October 2026 (so far), smogrank.com/jp/region/hyogo/history/2026-10 (accessed 6 Oct 2026).

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You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.