Air Quality in Nikkō, Japan
Overcast
17.5°C · 94.2% humidity
17.5°
Feels 17.5°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Nikkō's air quality — share it
AQI Forecast
25
6am
25
27
40
9am
36
34
59
12pm
37
36
36
3pm
35
35
35
6pm
27
27
24
9pm
24
24
24
12am
24
24
24
3am
24
24
Air Quality Index Trend
42h · 17 stnNikkō'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.
94.2%
Humidity
13.0 km/h
Wind SW
1012.0 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.6 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Nikkō?
Temperature & Precipitation
PM2.5 Trend
42h · 17 stationsPM2.59.6 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.9
Moderate
Station readings (1 station within 25 km)
9.6
Median
9.6
Average
9.6
Low
9.6
High
PM2.5 µg/m³ · Model: 6.0 · Bias: -3.6
What is the 7-day forecast for Nikkō?
08-03
19.3° 17.5°
6.56 mm
08-04
24.3° 17.6°
3.06 mm
08-05
22.9° 18.9°
7.5 mm
08-06
23.2° 17.5°
94.56 mm
08-07
25.0° 18.4°
16.38 mm
08-08
23.2° 19.9°
72.5 mm
08-09
23.2° 14.0°
2.94 mm
Both models agree
Avg diff: 2.8°C
Where are air quality stations near Nikkō?
25
Imaichi, Nikko, Tochigi, Japan (日光市今市小学校日光市)
17
Imamiyacho, Kanuma, Tochigi, Japan (鹿沼市役所鹿沼市)
14
Hosoya, Utsunomiya, Tochigi, Japan (細谷小学校宇都宮市)
30
Utsunomiya (宇都宮)
What cities are near Nikkō?
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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 2026-08-08T00:55 UTC.