Air Quality in Nagasaki, Japan

Rain
22.5°C · 85.5% humidity
22.5°
Feels 22.5°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast
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Air Quality Index Trend

45h · 16 stn

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.

85.5%
Humidity
100.2 km/h
Wind S
1015.1 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
28
6.79 µg/m³
PM10▲
51
54.9 µg/m³
050100150200300500

What is the weather forecast for Nagasaki?

Temperature & Precipitation

PM2.5 Trend

45h · 16 stations
PM2.56.79 µg/m³ ✓ WHO
Good
PM1054.9 µg/m³
Moderate
UV INDEX0.0
Low
Station readings (5 stations within 25 km)
6.79
Median
6.16
Average
2.6
Low
15.0
High
PM2.5 µg/m³ · Model: 19.2 · Bias: +12.4

What is the 7-day forecast for Nagasaki?

10-21
22.5° 19.4°
7.56 mm
10-22
24.0° 20.0°
0.06 mm
10-23
22.6° 18.4°
1.94 mm
10-24
22.1° 18.6°
1.31 mm
10-25
20.0° 14.5°
0.75 mm
10-26
19.5° 14.8°
10-27
20.9° 16.8°
Both models agree Avg diff: 4.2°C

Where are air quality stations near Nagasaki?

42
Kogakuramachi, Nagasaki, Nagasaki, Japan (小ケ倉支所長崎市)
5.9 km PM2.5: 10.1 µg/m³
13
Kogakuramachi, Nagasaki, Nagasaki, Japan (小ケ倉支所長崎市)
5.9 km PM2.5: 3.1 µg/m³
57
Yagamimachi, Nagasaki, Nagasaki, Japan (東長崎支所長崎市)
7.0 km PM2.5: 15.0 µg/m³
11
Nodago, Nagasaki, Japan (時津小学校大気測定局西彼杵郡時津町)
9.3 km PM2.5: 2.6 µg/m³
10
Nodago, Nagasaki, Japan (時津小学校大気測定局西彼杵郡時津町)
9.3 km PM2.5: 2.4 µg/m³
9
Nodago, Nagasaki, Japan (時津小学校大気測定局西彼杵郡時津町)
9.3 km PM2.5: 2.2 µg/m³
25
Kinkaimura Matsumachi, Nagasaki, Nagasaki, Japan (村松長崎市)
15.7 km PM2.5: 6.0 µg/m³
1
Mawatarimachi, Isahaya, Nagasaki, Japan (諫早諌早市)
16.7 km PM2.5: 0.2 µg/m³
17
Nishisanjocho, Omura, Nagasaki, Japan (大村大気測定局大村市)
19.5 km PM2.5: 4.1 µg/m³
13
Osetocho Yukinourakamigo, Saikai, Nagasaki, Japan (雪浦大気測定局西海市)
27.8 km PM2.5: 3.1 µg/m³

What cities are near Nagasaki?

20 Obita 11 Togitsu 32 Isahaya 17 Ōmura 23 Saikai 9 Unzen 9 Minamishimabara 54 Hondomachi-hondo 14 Ureshinomachi-shimojuku 54 Amakusa
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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 2026-10-21T08:31 UTC.