What is the air quality in Isahaya today?

The current Air Quality Index (AQI) in Isahaya is 24 (Good). PM2.5 concentration is 5.8 µg/m³.

What is the temperature in Isahaya right now?

The current temperature in Isahaya is 27.5°C (feels like 32.4°C). Humidity is 73.2% and wind speed is 50.1 km/h.

Is it safe to go outside in Isahaya?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 1.4 (Low).

Air Quality in Isahaya, Japan

Windy

27.5°C · 73.2% humidity

27.5°

Feels 32.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Model forecast

Nearby Monitoring Stations

AQI Forecast

24 7am

24 10am

24 1pm

24 4pm

25 7pm

25 10pm

25 1am

25 4am

Station readings

CAMS model

Air Quality Index Trend

43h · 15 stn

View full history →

Isahaya'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.

73.2%

Humidity

50.1 km/h

Wind NE

1001.6 hPa

Pressure

1.4

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.8 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Isahaya?

Temperature & Precipitation

PM2.5 Trend

43h · 15 stations

PM2.55.8 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX1.4

Low

What is the 7-day forecast for Isahaya?

08-03

34.9° 27.5°

08-04

30.0° 26.2°

2.81 mm

08-05

33.1° 25.9°

0.25 mm

08-06

30.3° 25.5°

15.25 mm

08-07

33.6° 25.4°

1.69 mm

08-08

32.8° 25.8°

0.31 mm

08-09

33.4° 24.6°

Both models agree Avg diff: 3.7°C

Where are air quality stations near Isahaya?

Mawatarimachi, Isahaya, Nagasaki, Japan (諫早諌早市)

1.8 km PM2.5: 7.4 µg/m³

Nishisanjocho, Omura, Nagasaki, Japan (大村大気測定局大村市)

11.2 km PM2.5: 4.8 µg/m³

Nodago, Nagasaki, Japan (時津小学校大気測定局西彼杵郡時津町)

18.4 km PM2.5: 5.8 µg/m³

Nagasaki (長崎)

18.5 km PM2.5: 4.1 µg/m³

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

19.8 km PM2.5: 1.7 µg/m³

What cities are near Isahaya?

24 Ōmura 24 Obita 24 Nagasaki 24 Togitsu 24 Unzen 24 Minamishimabara 24 Kashima 24 Ureshinomachi-shimojuku 24 Shimabara 24 Saikai

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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T01:59 UTC.