Air Quality in Nakano, Japan
Rain
18.1°C · 96.4% humidity
18.1°
Feels 18.1°
74
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station
Nearby Monitoring Stations
Nakano's air quality — share it
AQI Forecast
27
7am
27
27
74
10am
61
51
44
1pm
39
36
33
4pm
32
30
36
7pm
56
55
55
10pm
55
54
54
1am
54
54
54
4am
54
34
Air Quality Index Trend
46h · 1 stnNakano'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. Current PM2.5 concentration in Nakano is 1.5× the WHO 24-hour guideline of 15 µg/m³.
96.4%
Humidity
30.7 km/h
Wind SSE
1004.0 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
23.0 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Nakano?
Temperature & Precipitation
PM2.5 Trend
46h · 1 stationPM2.523.0 µg/m³
×1.5 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX19.9
Extreme
Station readings (1 station within 25 km)
23.0
Median
23.0
Average
23.0
Low
23.0
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -15.6
What is the 7-day forecast for Nakano?
07-22
26.2° 16.0°
10.25 mm
07-23
21.0° 12.8°
1.44 mm
07-24
20.0° 18.7°
2.94 mm
07-25
23.5° 15.4°
16.94 mm
07-26
21.7° 16.1°
1.56 mm
07-27
22.6° 16.1°
5.69 mm
07-28
21.7° 18.1°
9.25 mm
Both models agree
Avg diff: 4.4°C
Where are air quality stations near Nakano?
65
Nagano (長野)
76
Nagano (長野)
25
Amori, Nagano, Nagano, Japan (環境保全研究所長野市)
6
Shinonoifusetakada, Nagano, Nagano Prefecture, Japan (篠ノ井長野市)
8
Shinonoifusetakada, Nagano, Nagano Prefecture, Japan (篠ノ井長野市)
What cities are near Nakano?
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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 2026-07-22T01:19 UTC.