Air Quality in Kumamoto, Japan

Partly Cloudy
27.1°C · 58.9% humidity
27.1°
Feels 30.0°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
22 5pm
22
22
25 8pm
22
22
22 11pm
22
21
21 2am
21
21
21 5am
21
21
21 8am
22
21
21 11am
21
21
21 2pm
21
21
Station readings 7h ago
AQI 19
PM2.5 4.6 µg/m³ · 7h ago
CAMS model adj -3
25
25
25
25
25
25
25
25
24
24
24
24
24
24
24
24
25
24
24
24
24
24
24
24
AD 728×90

Air Quality Index Trend

3h · 1 stn

Kumamoto's air quality is influenced by industrial emissions, vehicle traffic, and regional pollution transport. Winter heating season and spring dust events typically create the most challenging air quality conditions.

58.9%
Humidity
31.3 km/h
Wind NE
1000.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
25
6.14 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Kumamoto?

Temperature & Precipitation

PM2.5 Trend

3h · 1 station
PM2.56.14 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (4 stations within 25 km)
6.14
Median
6.0
Average
3.1
Low
8.2
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +0.1
Both models agree Avg diff: 1.8°C

Where are air quality stations near Kumamoto?

24
Suidōchō, Kumamoto-ken, Japan (水道町自排局熊本市中央区)
2.1 km PM2.5: 5.8 µg/m³
15
Kuwamizuhonmachi, Kumamoto Prefecture, Japan (神水本町自排局熊本市中央区)
5.3 km PM2.5: 3.6 µg/m³
22
Nirenoki, Kumamoto, Japan (楡木熊本市北区)
7.4 km PM2.5: 5.3 µg/m³
33
Uekimachi Iwano, Kumamoto-ken, Japan (北区役所熊本市北区)
10.9 km PM2.5: 7.9 µg/m³
17
Asahimachi, Uto, Kumamoto, Japan (宇土運動公園宇土市)
13.6 km PM2.5: 4.1 µg/m³
30
Asahimachi, Uto, Kumamoto, Japan (宇土運動公園宇土市)
13.6 km PM2.5: 7.2 µg/m³
30
Iwasaki, Tamana, Kumamoto, Japan (有明保健所玉名市)
18.7 km PM2.5: 7.2 µg/m³
23
Iwashita, Kumamoto, Japan (甲佐町岩下上益城郡甲佐町)
20.2 km PM2.5: 5.5 µg/m³
30
Waifu, Kikuchi, Kumamoto, Japan (菊池市役所菊池市)
22.1 km PM2.5: 7.2 µg/m³
34
Waifu, Kikuchi, Kumamoto, Japan (菊池市役所菊池市)
22.1 km PM2.5: 8.2 µg/m³

What cities are near Kumamoto?

25 Kotō 28 Uekimachi-mōno 23 Shimada 27 Okino 27 Kōshi 20 Uto 18 Mifune 20 Matsubase 34 Ōzu 27 Tamana
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T11:17 UTC.