Air Quality in Tomakomai, Japan
Rain
16.4°C · 79.1% humidity
16.4°
Feels 16.4°
13
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations
Nearby Monitoring Stations
Tomakomai's air quality — share it
AQI Forecast
24
6am
24
24
13
9am
16
18
20
12pm
21
22
24
3pm
24
24
26
6pm
27
27
25
9pm
25
25
25
12am
25
25
25
3am
25
25
Air Quality Index Trend
46h · 2 stnTomakomai'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.
79.1%
Humidity
51.4 km/h
Wind N
997.7 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
3.21 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Tomakomai?
Temperature & Precipitation
PM2.5 Trend
46h · 2 stationsPM2.53.21 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
Station readings (3 stations within 25 km)
3.21
Median
2.8
Average
1.2
Low
6.0
High
PM2.5 µg/m³ · Model: 6.15 · Bias: +2.9
What is the 7-day forecast for Tomakomai?
05-29
19.0° 11.4°
10.75 mm
05-30
16.1° 9.6°
0.13 mm
05-31
17.1° 9.0°
06-01
19.8° 13.8°
0.19 mm
06-02
15.9° 12.6°
0.19 mm
06-03
15.1° 12.5°
1.0 mm
06-04
20.5° 10.8°
Both models agree
Avg diff: 1.9°C
Where are air quality stations near Tomakomai?
21
Nisshinchō, Tomakomai-shi, Hokkaidō, Japan (糸井苫小牧市)
25
Nisshinchō, Tomakomai-shi, Hokkaidō, Japan (糸井苫小牧市)
42
Nisshinchō, Tomakomai-shi, Hokkaidō, Japan (糸井苫小牧市)
50
Numanohata, Tomakomai, Hokkaido Prefecture, Japan (沼ノ端公園苫小牧市)
What cities are near Tomakomai?
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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 2026-05-29T00:17 UTC.