Air Quality in Nagasaki, Japan

Cloudy
20.9°C · 87.4% humidity
20.9°
Feels 20.9°
29
Good
Air quality is satisfactory. Enjoy outdoor activities.
11 stations

Nearby Monitoring Stations

AQI Forecast
54 2am
54
54
29 5am
36
41
25 8am
47
29
24 11am
25
25
26 2pm
26
26
27 5pm
27
34
34 8pm
34
54
54 11pm
54
54
AD 728×90

Air Quality Index Trend

47h · 20 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.

87.4%
Humidity
35.4 km/h
Wind ESE
1015.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
29
6.99 µg/m³
PM10▲
38
41.2 µg/m³
050100150200300500

What is the weather forecast for Nagasaki?

Temperature & Precipitation

PM2.5 Trend

47h · 20 stations
PM2.56.99 µg/m³ ✓ WHO
Good
PM1041.2 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (11 stations within 25 km)
6.99
Median
9.1
Average
6.2
Low
12.6
High
PM2.5 µg/m³ · Model: 16.35 · Bias: +9.4

What is the 7-day forecast for Nagasaki?

05-29
22.2° 19.8°
0.88 mm
05-30
21.4° 20.1°
05-31
21.6° 21.1°
06-01
23.3° 19.8°
2.25 mm
06-02
24.9° 21.6°
06-03
23.0° 19.6°
29.69 mm
06-04
22.0° 19.8°
92.81 mm
Both models agree Avg diff: 2.8°C

Where are air quality stations near Nagasaki?

50
Nagasaki (長崎)
0.5 km PM2.5: 12.0 µg/m³
50
Kogakuramachi, Nagasaki, Nagasaki, Japan (小ケ倉支所長崎市)
5.9 km PM2.5: 12.0 µg/m³
25
Yagamimachi, Nagasaki, Nagasaki, Japan (東長崎支所長崎市)
7.0 km PM2.5: 6.0 µg/m³
42
Yagamimachi, Nagasaki, Nagasaki, Japan (東長崎支所長崎市)
7.0 km PM2.5: 10.1 µg/m³
34
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: 8.2 µg/m³
47
Kinkaimura Matsumachi, Nagasaki, Nagasaki, Japan (村松長崎市)
15.7 km PM2.5: 11.3 µg/m³
46
Mawatarimachi, Isahaya, Nagasaki, Japan (諫早諌早市)
16.7 km PM2.5: 11.0 µg/m³
38
Mawatarimachi, Isahaya, Nagasaki, Japan (諫早諌早市)
16.7 km PM2.5: 9.1 µg/m³
45
Nishisanjocho, Omura, Nagasaki, Japan (大村大気測定局大村市)
19.5 km PM2.5: 10.8 µg/m³
36
Osetocho Yukinourakamigo, Saikai, Nagasaki, Japan (雪浦大気測定局西海市)
27.8 km PM2.5: 8.6 µg/m³

What cities are near Nagasaki?

42 Obita 52 Togitsu 40 Isahaya 44 Ōmura 47 Saikai 26 Unzen 26 Minamishimabara 59 Hondomachi-hondo 30 Ureshinomachi-shimojuku 59 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 2026-05-29T20:23 UTC.