Air Quality in Nagasaki, Japan

Windy
23.1°C · 64.2% humidity
23.1°
Feels 23.1°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
51 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
31 9am
14
14
23 12pm
20
19
17 3pm
16
16
32 6pm
33
33
31 9pm
32
32
32 12am
94
32
32 3am
31
14
14 6am
2
2
Station readings
4
4
3
CAMS model adj -52
83
66
66
66
66
66
66
66
66
83
84
84
83
84
84
84
146
84
84
83
66
66
54
54
AD 728×90

Air Quality Index Trend

38h · 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.

64.2%
Humidity
59.3 km/h
Wind S
1014.8 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
23
5.51 µg/m³
PM10▲
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Nagasaki?

Temperature & Precipitation

PM2.5 Trend

38h · 1 station
PM2.55.51 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX14.9
Extreme
AD 300×250
Station readings (51 stations within 25 km)
5.51
Median
5.24
Average
0.5
Low
31.6
High
PM2.5 µg/m³ · Model: 13.7 · Bias: +8.2

What is the 7-day forecast for Nagasaki?

06-09
23.3° 21.5°
0.13 mm
06-10
28.6° 19.0°
3.81 mm
06-11
26.3° 19.7°
0.38 mm
06-12
24.3° 19.6°
1.0 mm
06-13
30.7° 21.4°
3.69 mm
06-14
29.7° 18.3°
39.69 mm
06-15
27.2° 21.0°
12.0 mm
Both models agree Avg diff: 2.2°C

Where are air quality stations near Nagasaki?

21
Nerima (練馬区)
3.4 km PM2.5: 5.0 µg/m³
55
Yamatocho, Itabashi, Tokyo, Japan (中山道大和町板橋区)
3.6 km PM2.5: 14.0 µg/m³
52
Wakamiya, Nakano, Tokyo, Japan (中野区若宮中野区)
4.0 km PM2.5: 12.6 µg/m³
13
Naitomachi, Shinjuku, Tokyo, Japan (国設新宿新宿区)
5.1 km PM2.5: 3.1 µg/m³
57
Oji, Kita, Tokyo, Japan (北本通り王子北区)
5.9 km PM2.5: 15.0 µg/m³
3
Suginami, Izumi-3
6.6 km PM2.5: 0.8 µg/m³ PM10: 1.4 µg/m³
25
Shakujiimachi, Nerima, Tokyo, Japan (練馬区石神井台練馬区)
7.7 km PM2.5: 6.0 µg/m³
13
Suwa, Wakō-shi, Saitama-ken, Japan (和光和光市)
8.4 km PM2.5: 3.1 µg/m³
8
Suwa, Wakō-shi, Saitama-ken, Japan (和光和光市)
8.4 km PM2.5: 1.9 µg/m³
25
Hibiyakoen, Chiyoda, Tokyo, Japan (日比谷交差点千代田区)
9.2 km PM2.5: 6.0 µg/m³

What cities are near Nagasaki?

20 Shimo’ochiai 24 Ikebukuro 28 Sakuradai 26 Itabashi 24 Ōkubo 19 Nakano 22 Ōtsuka 23 Sugamo 26 Tokyo 35 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 2026-06-09T03:59 UTC.