Air Quality in Nagasaki, Japan

Drizzle
28.3°C · 83.4% humidity
28.3°
Feels 34.9°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
6 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
9 4am
0
9
27 7am
22
18
16 10am
14
12
11 1pm
11
10
10 4pm
10
9
9 7pm
9
9
0 10pm
0
0
0 1am
0
0
Station readings
9
AD 728×90

Air Quality Index Trend

48h · 1 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.

83.4%
Humidity
116.7 km/h
Wind ESE
988.6 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
27
6.54 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Nagasaki?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.56.54 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (6 stations within 25 km)
6.54
Median
7.9
Average
4.1
Low
15.0
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +3.5

What is the 7-day forecast for Nagasaki?

07-21
28.0° 25.3°
0.75 mm
07-22
28.3° 27.2°
2.44 mm
07-23
29.2° 22.4°
2.5 mm
07-24
27.7° 26.3°
8.31 mm
07-25
27.3° 24.2°
07-26
30.1° 25.2°
0.31 mm
07-27
27.8° 25.8°
0.81 mm
Both models agree Avg diff: 1.6°C

Where are air quality stations near Nagasaki?

39
Nagasaki (長崎)
0.5 km PM2.5: 9.4 µg/m³
25
Kogakuramachi, Nagasaki, Nagasaki, Japan (小ケ倉支所長崎市)
5.9 km PM2.5: 6.0 µg/m³
31
Yagamimachi, Nagasaki, Nagasaki, Japan (東長崎支所長崎市)
7.0 km PM2.5: 7.4 µg/m³
50
Yagamimachi, Nagasaki, Nagasaki, Japan (東長崎支所長崎市)
7.0 km PM2.5: 12.0 µg/m³
25
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: 6.0 µg/m³
17
Kinkaimura Matsumachi, Nagasaki, Nagasaki, Japan (村松長崎市)
15.7 km PM2.5: 4.1 µg/m³
53
Mawatarimachi, Isahaya, Nagasaki, Japan (諫早諌早市)
16.7 km PM2.5: 13.1 µg/m³
55
Mawatarimachi, Isahaya, Nagasaki, Japan (諫早諌早市)
16.7 km PM2.5: 14.0 µg/m³
42
Nishisanjocho, Omura, Nagasaki, Japan (大村大気測定局大村市)
19.5 km PM2.5: 10.1 µg/m³
38
Osetocho Yukinourakamigo, Saikai, Nagasaki, Japan (雪浦大気測定局西海市)
27.8 km PM2.5: 9.1 µg/m³

What cities are near Nagasaki?

35 Obita 38 Togitsu 56 Isahaya 20 Ōmura 23 Saikai 40 Unzen 46 Minamishimabara 62 Hondomachi-hondo 27 Ureshinomachi-shimojuku 63 Amakusa
Get AQI alerts for Nagasaki

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T22:04 UTC.