Air Quality in Tomioka, Japan
Drizzle
21.3°C · 67.3% humidity
21.3°
Feels 21.3°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Tomioka's air quality — share it
AQI Forecast
25
6am
25
24
23
9am
25
25
25
12pm
27
34
54
3pm
54
54
54
6pm
34
27
27
9pm
25
25
25
12am
25
25
25
3am
25
25
Air Quality Index Trend
47h · 7 stnTomioka'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 Tomioka is 1.1× the WHO annual guideline of 5 µg/m³.
67.3%
Humidity
15.7 km/h
Wind NE
997.9 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.5 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Tomioka?
Temperature & Precipitation
PM2.5 Trend
47h · 7 stationsPM2.55.5 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX9.4
Very High
Station readings (2 stations within 25 km)
5.5
Median
6.85
Average
5.5
Low
8.2
High
PM2.5 µg/m³ · Model: 9.65 · Bias: +4.2
What is the 7-day forecast for Tomioka?
05-29
24.0° 18.8°
7.38 mm
05-30
23.4° 15.6°
0.88 mm
05-31
25.7° 18.4°
0.06 mm
06-01
27.2° 19.3°
06-02
26.4° 17.8°
0.38 mm
06-03
27.9° 20.6°
1.13 mm
06-04
26.9° 14.3°
1.06 mm
Both models agree
Avg diff: 3.3°C
Where are air quality stations near Tomioka?
47
Kodamachō Takazeki, Honjō-shi, Saitama-ken, Japan (本庄児玉本庄市)
7
Kodamachō Takazeki, Honjō-shi, Saitama-ken, Japan (本庄児玉本庄市)
32
Minano, Saitama-ken, Japan (皆野秩父郡皆野町)
What cities are near Tomioka?
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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 2026-05-29T00:19 UTC.