Air Quality in Kumamoto, Japan

Cloudy
30.5°C · 74.8% humidity
30.5°
Feels 37.3°
36
Good
Air quality is satisfactory. Enjoy outdoor activities.
9 stations

Nearby Monitoring Stations

AQI Forecast
54 5am
54
27
36 8am
40
32
30 11am
29
36
35 2pm
35
55
54 5pm
54
54
54 8pm
54
54
54 11pm
54
54
54 2am
54
54
AD 728×90

Air Quality Index Trend

47h · 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.

74.8%
Humidity
39.4 km/h
Wind ENE
989.9 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
36
8.69 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Kumamoto?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.58.69 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (9 stations within 25 km)
8.69
Median
9.67
Average
5.8
Low
19.7
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +1.3

What is the 7-day forecast for Kumamoto?

07-21
34.5° 26.4°
07-22
32.0° 26.9°
1.25 mm
07-23
30.4° 22.3°
8.13 mm
07-24
31.9° 25.8°
3.56 mm
07-25
32.6° 26.4°
07-26
37.8° 25.1°
1.94 mm
07-27
33.0° 25.1°
0.06 mm
Both models agree Avg diff: 1.9°C

Where are air quality stations near Kumamoto?

4
Suidōchō, Kumamoto-ken, Japan (水道町自排局熊本市中央区)
2.1 km PM2.5: 1.0 µg/m³
34
Suidōchō, Kumamoto-ken, Japan (水道町自排局熊本市中央区)
2.1 km PM2.5: 8.2 µg/m³
8
Kuwamizuhonmachi, Kumamoto Prefecture, Japan (神水本町自排局熊本市中央区)
5.3 km PM2.5: 1.9 µg/m³
31
Kuwamizuhonmachi, Kumamoto Prefecture, Japan (神水本町自排局熊本市中央区)
5.3 km PM2.5: 7.4 µg/m³
25
Nakashimamachi, Kumamoto Prefecture, Japan (中島熊本市西区)
7.0 km PM2.5: 6.0 µg/m³
32
Nakashimamachi, Kumamoto Prefecture, Japan (中島熊本市西区)
7.0 km PM2.5: 7.7 µg/m³
63
Nirenoki, Kumamoto, Japan (楡木熊本市北区)
7.4 km PM2.5: 17.8 µg/m³
38
Nirenoki, Kumamoto, Japan (楡木熊本市北区)
7.4 km PM2.5: 9.1 µg/m³
33
Akitsu, Kumamoto-ken, Japan (秋津熊本市東区)
8.3 km PM2.5: 7.9 µg/m³
30
Akitsu, Kumamoto-ken, Japan (秋津熊本市東区)
8.3 km PM2.5: 7.2 µg/m³

What cities are near Kumamoto?

31 Kotō 39 Uekimachi-mōno 37 Shimada 36 Okino 40 Kōshi 46 Uto 35 Mifune 42 Matsubase 44 Ōzu 38 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 2026-07-21T23:16 UTC.