What is the air quality in Nagasaki today?

The current Air Quality Index (AQI) in Nagasaki is 30 (Good). PM2.5 concentration is 7.27 µg/m³.

What is the temperature in Nagasaki right now?

The current temperature in Nagasaki is 21.6°C (feels like 21.6°C). Humidity is 63.1% and wind speed is 25.4 km/h.

Is it safe to go outside in Nagasaki?

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

Air Quality in Nagasaki, Japan

Partly Cloudy

21.6°C · 63.1% humidity

21.6°

Feels 21.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

66 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

39h · 1 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.

63.1%

Humidity

25.4 km/h

Wind SW

1024.6 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.27 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Nagasaki?

Temperature & Precipitation

PM2.5 Trend

39h · 1 station

PM2.57.27 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (66 stations within 25 km)

7.27

Median

6.63

Average

0.41

Low

42.8

High

PM2.5 µg/m³ · Model: 6.0 · Bias: -1.3

What is the 7-day forecast for Nagasaki?

10-21

21.6° 15.3°

0.75 mm

10-22

23.3° 18.1°

0.06 mm

10-23

22.5° 15.7°

10-24

21.9° 16.8°

0.94 mm

10-25

19.8° 14.2°

5.63 mm

10-26

20.7° 15.0°

10-27

19.2° 15.1°

0.25 mm

Both models agree Avg diff: 3.0°C

Where are air quality stations near Nagasaki?

Shimoochiai, Shinjuku, Tokyo, Japan (新目白通り下落合新宿区)

2.3 km PM2.5: 7.2 µg/m³

Shimoochiai, Shinjuku, Tokyo, Japan (新目白通り下落合新宿区)

2.3 km PM2.5: 8.2 µg/m³

Nerima (練馬区)

3.4 km PM2.5: 5.0 µg/m³

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

3.6 km PM2.5: 6.0 µg/m³

Otsuka, Bunkyo, Tokyo, Japan (春日通り大塚文京区)

4.3 km PM2.5: 7.2 µg/m³

Naitomachi, Shinjuku, Tokyo, Japan (国設新宿新宿区)

5.1 km PM2.5: 5.0 µg/m³

Oji, Kita, Tokyo, Japan (北本通り王子北区)

5.9 km PM2.5: 5.0 µg/m³

Suginami, Izumi-3

6.6 km PM2.5: 0.4 µg/m³ PM10: 1.0 µg/m³

Sasazuka, Shibuya, Tokyo, Japan (甲州街道大原渋谷区)

7.1 km PM2.5: 5.0 µg/m³

Suwa, Wakō-shi, Saitama-ken, Japan (和光和光市)

8.4 km PM2.5: 8.6 µg/m³

What cities are near Nagasaki?

33 Shimo’ochiai 30 Ikebukuro 28 Sakuradai 29 Itabashi 31 Ōkubo 27 Nakano 28 Ōtsuka 28 Sugamo 27 Tokyo 23 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 2026-10-21T10:53 UTC.