Air Quality in Nagasaki, Japan
Windy
28.3°C · 66.1% humidity
28.3°
Feels 32.6°
33
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations
Nearby Monitoring Stations
Nagasaki's air quality — share it
AQI Forecast
Calibrated
18
4pm
18
18
33
7pm
29
26
22
10pm
22
21
18
1am
17
17
17
4am
17
16
16
7am
16
16
15
10am
15
15
15
1pm
15
15
Station readings
40h ago
AQI 18
PM2.5 4.3 µg/m³ · 40h ago
Air Quality Index Trend
45h · 11 stnNagasaki'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.
66.1%
Humidity
86.4 km/h
Wind NNE
1000.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.9 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Nagasaki?
Temperature & Precipitation
PM2.5 Trend
45h · 11 stationsPM2.57.9 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
Station readings (3 stations within 25 km)
7.9
Median
7.37
Average
6.0
Low
8.2
High
PM2.5 µg/m³ · Model: 6.5 · Bias: -1.4
What is the 7-day forecast for Nagasaki?
09-05
29.8° 25.2°
0.06 mm
09-06
29.3° 25.3°
5.87 mm
09-07
29.0° 24.3°
0.69 mm
09-08
31.6° 24.9°
0.06 mm
09-09
27.8° 25.4°
1.0 mm
09-10
30.2° 23.3°
0.88 mm
09-11
27.7° 24.7°
0.44 mm
Both models agree
Avg diff: 1.7°C
Where are air quality stations near Nagasaki?
33
Nagasaki (長崎)
34
Kogakuramachi, Nagasaki, Nagasaki, Japan (小ケ倉支所長崎市)
25
Mawatarimachi, Isahaya, Nagasaki, Japan (諫早諌早市)
What cities are near Nagasaki?
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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 2026-09-05T10:27 UTC.