What is the air quality in Tochio-honchō today?

The current Air Quality Index (AQI) in Tochio-honchō is 30 (Good). PM2.5 concentration is 7.33 µg/m³.

What is the temperature in Tochio-honchō right now?

The current temperature in Tochio-honchō is 20.9°C (feels like 20.9°C). Humidity is 59.8% and wind speed is 9.1 km/h.

Is it safe to go outside in Tochio-honchō?

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

Air Quality in Tochio-honchō, Japan

Partly Cloudy

20.9°C · 59.8% humidity

20.9°

Feels 20.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 3 stn

View full history →

Tochio-honchō'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.

59.8%

Humidity

9.1 km/h

Wind S

1017.2 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.33 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for Tochio-honchō?

Temperature & Precipitation

PM2.5 Trend

45h · 3 stations

PM2.57.33 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

What is the 7-day forecast for Tochio-honchō?

10-21

20.9° 12.3°

10-22

21.3° 13.9°

2.06 mm

10-23

18.6° 9.2°

6.44 mm

10-24

14.4° 13.0°

6.94 mm

10-25

17.1° 11.3°

0.25 mm

10-26

17.3° 10.3°

10-27

15.8° 11.8°

0.75 mm

Both models agree Avg diff: 3.6°C

What cities are near Tochio-honchō?

30 Mitsuke 30 Nagaoka 46 Sanjō 45 Kamo 45 Tsubame 45 Yoshida-kasugachō 11 Uonuma 24 Ojiya 34 Muramatsu 46 Maki

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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 2026-10-21T06:04 UTC.