What is the air quality in Shimabara today?

The current Air Quality Index (AQI) in Shimabara is 9 (Good). PM2.5 concentration is 2.2 µg/m³.

What is the temperature in Shimabara right now?

The current temperature in Shimabara is 22.3°C (feels like 22.3°C). Humidity is 75.6% and wind speed is 37.9 km/h.

Is it safe to go outside in Shimabara?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Shimabara, Japan

Cloudy

22.3°C · 75.6% humidity

22.3°

Feels 22.3°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 26 stn

View full history →

Shimabara'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.

75.6%

Humidity

37.9 km/h

Wind SSW

1015.5 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

2.2 µg/m³

PM10▲

27.4 µg/m³

050100150200300500

What is the weather forecast for Shimabara?

Temperature & Precipitation

PM2.5 Trend

45h · 26 stations

PM2.52.2 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (1 station within 25 km)

2.2

Median

2.2

Average

2.2

Low

2.2

High

PM2.5 µg/m³ · Model: 13.5 · Bias: +11.3

What is the 7-day forecast for Shimabara?

10-21

22.3° 17.3°

5.63 mm

10-22

25.3° 18.8°

0.06 mm

10-23

23.5° 17.1°

1.13 mm

10-24

22.2° 17.8°

0.44 mm

10-25

19.1° 13.6°

4.81 mm

10-26

19.9° 13.3°

10-27

19.3° 15.5°

Both models agree Avg diff: 4.5°C

Where are air quality stations near Shimabara?

Shindenmachi, Shimabara, Nagasaki, Japan (島原大気測定局島原市)

1.0 km PM2.5: 2.2 µg/m³

Obamacho Kitahonmachi, Unzen, Nagasaki, Japan (小浜大気測定局雲仙市)

15.6 km PM2.5: 11.0 µg/m³

Kawanobori, Arao-shi, Kumamoto-ken, Japan (荒尾運動公園荒尾市)

23.8 km PM2.5: 11.0 µg/m³

Iwasaki, Tamana, Kumamoto, Japan (有明保健所玉名市)

24.4 km PM2.5: 5.0 µg/m³

Iwasaki, Tamana, Kumamoto, Japan (有明保健所玉名市)

24.4 km PM2.5: 2.2 µg/m³

What cities are near Shimabara?

9 Unzen 9 Minamishimabara 10 Nagasu 24 Ōyanomachi-noboritate 9 Arao 16 Tamana 9 Ōmuta 38 Uto 42 Kumamoto 32 Isahaya

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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 2026-10-21T08:30 UTC.