What is the air quality in Nagasaki today?

The current Air Quality Index (AQI) in Nagasaki is 25 (Good). PM2.5 concentration is 5.9 µg/m³.

What is the temperature in Nagasaki right now?

The current temperature in Nagasaki is 26.4°C (feels like 26.4°C). Humidity is 68.1% and wind speed is 24.7 km/h.

Is it safe to go outside in Nagasaki?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 4.4 (Moderate).

Air Quality in Nagasaki, Japan

Partly Cloudy

26.4°C · 68.1% humidity

26.4°

Feels 26.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

16 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

25 8am

25 11am

25 2pm

25 5pm

25 8pm

—

— 11pm

—

— 2am

—

— 5am

—

Station readings

CAMS model adj -29

Air Quality Index Trend

20h · 3 stn

View full history →

Nagasaki'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.

68.1%

Humidity

24.7 km/h

Wind E

1009.4 hPa

Pressure

4.4

UV Moderate

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.9 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for Nagasaki?

Temperature & Precipitation

PM2.5 Trend

20h · 3 stations

PM2.55.9 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX4.4

Moderate

Station readings (16 stations within 25 km)

5.9

Median

5.83

Average

2.6

Low

10.6

High

PM2.5 µg/m³ · Model: 10.85 · Bias: +4.9

What is the 7-day forecast for Nagasaki?

08-03

28.2° 22.4°

9.5 mm

08-04

34.2° 25.8°

4.56 mm

08-05

32.3° 25.5°

1.81 mm

08-06

30.1° 26.8°

21.13 mm

08-07

36.2° 25.2°

11.69 mm

08-08

34.3° 26.5°

37.0 mm

08-09

35.6° 22.7°

1.25 mm

Both models agree Avg diff: 2.9°C

Where are air quality stations near Nagasaki?

Chuo, Nakano, Tokyo, Japan (山手通り東中野中野区)

3.3 km PM2.5: 6.0 µg/m³

Nerima (練馬区)

3.4 km PM2.5: 6.0 µg/m³

Yamatocho, Itabashi, Tokyo, Japan (中山道大和町板橋区)

3.6 km PM2.5: 5.0 µg/m³

Wakamiya, Nakano, Tokyo, Japan (中野区若宮中野区)

4.0 km PM2.5: 9.8 µg/m³

Oji, Kita, Tokyo, Japan (北本通り王子北区)

5.9 km PM2.5: 6.0 µg/m³

Honkomagome, Bunkyo, Tokyo, Japan (文京区本駒込文京区)

6.3 km PM2.5: 6.0 µg/m³

Honkomagome, Bunkyo, Tokyo, Japan (文京区本駒込文京区)

6.3 km PM2.5: 7.9 µg/m³

–

Suginami, Izumi-3

6.6 km PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³

Shakujiimachi, Nerima, Tokyo, Japan (練馬区石神井台練馬区)

7.7 km PM2.5: 7.2 µg/m³

Udagawacho, Shibuya, Tokyo, Japan (渋谷区宇田川町渋谷区)

7.7 km PM2.5: 8.2 µg/m³

What cities are near Nagasaki?

25 Shimo’ochiai 25 Ikebukuro 25 Sakuradai 26 Itabashi 25 Ōkubo 25 Nakano 24 Ōtsuka 24 Sugamo 25 Tokyo 24 Shinjuku

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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 2026-08-08T02:01 UTC.