Air Quality in Tomakomai, Japan

Windy
20.2°C · 80.8% humidity
20.2°
Feels 20.2°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast
27 5am
27
27
20 8am
21
24
25 11am
26
26
26 2pm
27
34
34 5pm
34
34
54 8pm
54
54
54 11pm
54
54
54 2am
54
54
AD 728×90

Air Quality Index Trend

36h · 2 stn

Tomakomai'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.

80.8%
Humidity
50.4 km/h
Wind S
1008.3 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
20
4.89 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Tomakomai?

Temperature & Precipitation

PM2.5 Trend

36h · 2 stations
PM2.54.89 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (3 stations within 25 km)
4.89
Median
4.77
Average
4.3
Low
5.0
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +1.4
Both models agree Avg diff: 2.7°C

Where are air quality stations near Tomakomai?

72
Nisshinchō, Tomakomai-shi, Hokkaidō, Japan (糸井苫小牧市)
5.6 km PM2.5: 22.1 µg/m³
53
Nisshinchō, Tomakomai-shi, Hokkaidō, Japan (糸井苫小牧市)
5.6 km PM2.5: 13.1 µg/m³
53
Nisshinchō, Tomakomai-shi, Hokkaidō, Japan (糸井苫小牧市)
5.6 km PM2.5: 13.1 µg/m³
50
Numanohata, Tomakomai, Hokkaido Prefecture, Japan (沼ノ端公園苫小牧市)
8.9 km PM2.5: 12.0 µg/m³

What cities are near Tomakomai?

19 Chitose 21 Shiraoi 21 Eniwa 20 Kitahiroshima 23 Noboribetsu 17 Sapporo 18 Ebetsu 23 Muroran 23 Date 33 Iwamizawa
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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 2026-07-21T23:16 UTC.