What is the air quality in Matsubase today?

The current Air Quality Index (AQI) in Matsubase is 20 (Good). PM2.5 concentration is 4.66 µg/m³.

What is the temperature in Matsubase right now?

The current temperature in Matsubase is 27.1°C (feels like 30.0°C). Humidity is 58.9% and wind speed is 31.3 km/h.

Is it safe to go outside in Matsubase?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Matsubase, Japan

Partly Cloudy

27.1°C · 58.9% humidity

27.1°

Feels 30.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

3 stations

Nearby Monitoring Stations

AQI Forecast

25 5pm

20 8pm

23 11pm

23 2am

24 5am

24 8am

24 11am

24 2pm

Station readings 17h ago

AQI 25

PM2.5 6.0 µg/m³ · 17h ago

CAMS model

Air Quality Index Trend

45h · 17 stn

View full history →

Matsubase'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▲

4.66 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Matsubase?

Temperature & Precipitation

PM2.5 Trend

45h · 17 stations

PM2.54.66 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (3 stations within 25 km)

4.66

Median

5.2

Average

3.1

Low

6.5

High

PM2.5 µg/m³ · Model: 6.25 · Bias: +1.6

What is the 7-day forecast for Matsubase?

09-05

33.2° 26.7°

1.19 mm

09-06

34.5° 24.3°

09-07

29.5° 23.8°

0.38 mm

09-08

31.7° 24.6°

0.13 mm

09-09

32.6° 24.3°

0.69 mm

09-10

30.7° 22.3°

0.5 mm

09-11

30.4° 22.7°

9.0 mm

Both models agree Avg diff: 2.1°C

Where are air quality stations near Matsubase?

Asahimachi, Uto, Kumamoto, Japan (宇土運動公園宇土市)

3.9 km PM2.5: 7.2 µg/m³

Asahimachi, Uto, Kumamoto, Japan (宇土運動公園宇土市)

3.9 km PM2.5: 4.1 µg/m³

Iwashita, Kumamoto, Japan (甲佐町岩下上益城郡甲佐町)

13.3 km PM2.5: 5.5 µg/m³

Koga Kamimachi, Yatsushiro, Kumamoto, Japan (八代八千把出張所八代市)

15.6 km PM2.5: 6.0 µg/m³

Kuwamizuhonmachi, Kumamoto Prefecture, Japan (神水本町自排局熊本市中央区)

16.3 km PM2.5: 3.6 µg/m³

Yatsushiro (八代市)

17.0 km PM2.5: 4.6 µg/m³

Yatsushiro (八代市)

17.0 km PM2.5: 6.2 µg/m³

Suidōchō, Kumamoto-ken, Japan (水道町自排局熊本市中央区)

17.7 km PM2.5: 5.8 µg/m³

Nirenoki, Kumamoto, Japan (楡木熊本市北区)

23.5 km PM2.5: 5.3 µg/m³

Matsushimamachi Aitsu, Kamiamakusa, Kumamoto, Japan (上天草市合津上天草市松島町)

26.5 km PM2.5: 5.0 µg/m³

What cities are near Matsubase?

18 Uki 20 Uto 25 Kotō 18 Mifune 23 Shimada 27 Honmachi 25 Kumamoto 14 Ōyanomachi-noboritate 27 Okino 28 Uekimachi-mōno

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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 2026-09-05T11:13 UTC.