Air Quality in Nagasaki, Japan

Windy
22.8°C · 66.3% humidity
22.8°
Feels 22.8°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
62 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
43 6am
43
43
18 9am
25
30
34 12pm
36
38
52 3pm
53
53
71 6pm
72
71
55 9pm
43
43
43 12am
43
23
23 3am
23
23
Station readings
25
11
CAMS model adj -11
54
54
54
54
54
54
54
54
54
66
66
66
83
84
83
66
54
54
54
54
34
34
34
34
AD 728×90

Air Quality Index Trend

29h · 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.

66.3%
Humidity
152.4 km/h
Wind S
998.4 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
18
4.36 µg/m³
PM10▲
56
66.15 µg/m³
050100150200300500

What is the weather forecast for Nagasaki?

Temperature & Precipitation

PM2.5 Trend

29h · 1 station
PM2.54.36 µg/m³ ✓ WHO
Good
PM1066.15 µg/m³
Moderate
UV INDEX14.9
Extreme
AD 300×250
Station readings (62 stations within 25 km)
4.36
Median
5.89
Average
1.4
Low
13.1
High
PM2.5 µg/m³ · Model: 33.6 · Bias: +29.2

What is the 7-day forecast for Nagasaki?

05-29
24.9° 19.9°
0.06 mm
05-30
24.8° 19.7°
0.44 mm
05-31
27.1° 20.3°
06-01
28.2° 21.4°
06-02
27.4° 20.8°
0.06 mm
06-03
28.1° 23.1°
0.06 mm
06-04
26.5° 18.8°
Both models agree Avg diff: 3.0°C

Where are air quality stations near Nagasaki?

50
Nerima (練馬区)
3.4 km PM2.5: 12.0 µg/m³
14
Yamatocho, Itabashi, Tokyo, Japan (中山道大和町板橋区)
3.6 km PM2.5: 3.4 µg/m³
13
Wakamiya, Nakano, Tokyo, Japan (中野区若宮中野区)
4.0 km PM2.5: 3.1 µg/m³
11
Naitomachi, Shinjuku, Tokyo, Japan (国設新宿新宿区)
5.1 km PM2.5: 2.6 µg/m³
13
Oji, Kita, Tokyo, Japan (北本通り王子北区)
5.9 km PM2.5: 3.1 µg/m³
–
Suginami, Izumi-3
6.6 km PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³
34
Shakujiimachi, Nerima, Tokyo, Japan (練馬区石神井台練馬区)
7.7 km PM2.5: 8.2 µg/m³
50
Suwa, Wakō-shi, Saitama-ken, Japan (和光和光市)
8.4 km PM2.5: 12.0 µg/m³
40
Suwa, Wakō-shi, Saitama-ken, Japan (和光和光市)
8.4 km PM2.5: 9.6 µg/m³
10
Hibiyakoen, Chiyoda, Tokyo, Japan (日比谷交差点千代田区)
9.2 km PM2.5: 2.4 µg/m³

What cities are near Nagasaki?

10 Shimo’ochiai 18 Ikebukuro 24 Sakuradai 21 Itabashi 15 Ōkubo 19 Nakano 18 Ōtsuka 20 Sugamo 22 Tokyo 26 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 2026-05-29T00:27 UTC.