Air Quality in Kumamoto, Japan

Drizzle
25.4°C · 60.2% humidity
25.4°
Feels 25.4°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
8 stations

Nearby Monitoring Stations

AQI Forecast
54 2pm
54
54
54 5pm
54
54
54 8pm
66
66
66 11pm
66
83
83 2am
83
84
84 5am
83
83
66 8am
66
54
54 11am
54
54
AD 728×90

Air Quality Index Trend

46h · 17 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.

60.2%
Humidity
13.5 km/h
Wind SSW
1011.1 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
54
13.39 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Kumamoto?

Temperature & Precipitation

PM2.5 Trend

46h · 17 stations
PM2.513.39 µg/m³ ✓ WHO
Moderate
PM1027.4 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (8 stations within 25 km)
13.39
Median
12.59
Average
6.7
Low
37.5
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +0.1

What is the 7-day forecast for Kumamoto?

06-09
26.2° 20.9°
1.37 mm
06-10
22.9° 18.4°
1.25 mm
06-11
31.2° 20.0°
0.06 mm
06-12
27.6° 20.7°
06-13
28.1° 20.8°
32.81 mm
06-14
24.0° 19.0°
39.06 mm
06-15
28.3° 19.6°
38.25 mm
Both models agree Avg diff: 1.8°C

Where are air quality stations near Kumamoto?

21
Suidōchō, Kumamoto-ken, Japan (水道町自排局熊本市中央区)
2.1 km PM2.5: 5.0 µg/m³
45
Suidōchō, Kumamoto-ken, Japan (水道町自排局熊本市中央区)
2.1 km PM2.5: 10.8 µg/m³
30
Kuwamizuhonmachi, Kumamoto Prefecture, Japan (神水本町自排局熊本市中央区)
5.3 km PM2.5: 7.2 µg/m³
30
Kuwamizuhonmachi, Kumamoto Prefecture, Japan (神水本町自排局熊本市中央区)
5.3 km PM2.5: 7.2 µg/m³
42
Nakashimamachi, Kumamoto Prefecture, Japan (中島熊本市西区)
7.0 km PM2.5: 10.1 µg/m³
20
Nakashimamachi, Kumamoto Prefecture, Japan (中島熊本市西区)
7.0 km PM2.5: 4.8 µg/m³
95
Nirenoki, Kumamoto, Japan (楡木熊本市北区)
7.4 km PM2.5: 33.0 µg/m³
38
Nirenoki, Kumamoto, Japan (楡木熊本市北区)
7.4 km PM2.5: 9.1 µg/m³
42
Akitsu, Kumamoto-ken, Japan (秋津熊本市東区)
8.3 km PM2.5: 10.1 µg/m³
18
Akitsu, Kumamoto-ken, Japan (秋津熊本市東区)
8.3 km PM2.5: 4.3 µg/m³

What cities are near Kumamoto?

41 Kotō 49 Uekimachi-mōno 86 Shimada 48 Okino 48 Kōshi 50 Uto 60 Mifune 49 Matsubase 29 Ōzu 37 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 2026-06-09T08:04 UTC.