Air Quality in Tochio-honchō, Japan
Heavy Rain
24.4°C · 55.1% humidity
24.4°
Feels 24.4°
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Tochio-honchō's air quality — share it
AQI Forecast
25
4am
25
25
24
7am
27
27
34
10am
54
54
54
1pm
54
54
34
4pm
54
54
54
7pm
54
54
34
10pm
34
34
34
1am
27
27
Air Quality Index Trend
48h · 1 stnTochio-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. Current PM2.5 concentration in Tochio-honchō is 1.2× the WHO annual guideline of 5 µg/m³.
55.1%
Humidity
11.8 km/h
Wind SSE
998.9 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
5.8 µg/m³
PM10▲
27.45 µg/m³
050100150200300500
What is the weather forecast for Tochio-honchō?
Temperature & Precipitation
PM2.5 Trend
48h · 1 stationPM2.55.8 µg/m³
✓ WHO
Good
PM1027.45 µg/m³
Good
UV INDEX2.2
Moderate
Station readings (1 station within 25 km)
5.8
Median
5.8
Average
5.8
Low
5.8
High
PM2.5 µg/m³ · Model: 12.6 · Bias: +6.8
What is the 7-day forecast for Tochio-honchō?
05-28
28.6° 11.8°
0.38 mm
05-29
26.5° 15.3°
29.5 mm
05-30
25.8° 15.2°
3.19 mm
05-31
25.1° 16.2°
06-01
26.4° 17.6°
06-02
26.2° 16.4°
0.06 mm
06-03
28.3° 18.2°
3.75 mm
Both models agree
Avg diff: 2.4°C
Where are air quality stations near Tochio-honchō?
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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 2026-05-28T22:54 UTC.