What is the air quality in Nikkō today?

The current Air Quality Index (AQI) in Nikkō is 22 (Good). PM2.5 concentration is 5.32 µg/m³.

What is the temperature in Nikkō right now?

The current temperature in Nikkō is 8.1°C (feels like 5.3°C). Humidity is 98.0% and wind speed is 17.2 km/h.

Is it safe to go outside in Nikkō?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Nikkō, Japan

Drizzle

8.1°C · 98.0% humidity

8.1°

Feels 5.3°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 10 stn

View full history →

Nikkō'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.

98.0%

Humidity

17.2 km/h

Wind S

1021.7 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.32 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Nikkō?

Temperature & Precipitation

PM2.5 Trend

45h · 10 stations

PM2.55.32 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

What is the 7-day forecast for Nikkō?

10-21

12.7° 6.9°

0.31 mm

10-22

16.5° 9.6°

1.62 mm

10-23

16.9° 4.8°

0.19 mm

10-24

10.5° 10.1°

1.0 mm

10-25

12.6° 3.8°

2.94 mm

10-26

11.0° 4.4°

0.25 mm

10-27

10.1° 3.4°

0.5 mm

Both models agree Avg diff: 5.0°C

Where are air quality stations near Nikkō?

Hosoya, Utsunomiya, Tochigi, Japan (細谷小学校宇都宮市)

27.7 km PM2.5: 14.0 µg/m³

Hosoya, Utsunomiya, Tochigi, Japan (細谷小学校宇都宮市)

27.7 km PM2.5: 2.2 µg/m³

Utsunomiya (宇都宮)

32.1 km PM2.5: 13.1 µg/m³

What cities are near Nikkō?

25 Imaichi 48 Kanuma 25 Yaita 47 Utsunomiya 42 Ujiie 36 Sakura 46 Hōshakuji 51 Ōtawara 49 Mibu 46 Tochigi

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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 2026-10-21T05:26 UTC.