What is the air quality in Tōmi today?

The current Air Quality Index (AQI) in Tōmi is 51 (Moderate). PM2.5 concentration is 12.14 µg/m³.

What is the temperature in Tōmi right now?

The current temperature in Tōmi is 9.2°C (feels like 5.3°C). Humidity is 86.6% and wind speed is 31.8 km/h.

Air Quality in Tōmi, Japan

Drizzle

9.2°C · 86.6% humidity

9.2°

Feels 5.3°

Moderate

Unusually sensitive people should consider reducing prolonged outdoor exertion.

4 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 4 stn

View full history →

Tōmi'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.

86.6%

Humidity

31.8 km/h

Wind E

1020.8 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

12.14 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Tōmi?

Temperature & Precipitation

PM2.5 Trend

45h · 4 stations

PM2.512.14 µg/m³ ✓ WHO

Moderate

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (4 stations within 25 km)

12.14

Median

12.3

Average

4.1

Low

32.1

High

PM2.5 µg/m³ · Model: 5.8 · Bias: -6.3

What is the 7-day forecast for Tōmi?

10-21

12.9° 6.4°

0.13 mm

10-22

16.1° 10.1°

0.69 mm

10-23

15.1° 4.3°

10-24

11.5° 9.2°

0.56 mm

10-25

12.5° 2.5°

1.44 mm

10-26

12.5° 2.8°

10-27

10.8° 3.2°

0.13 mm

Both models agree Avg diff: 5.5°C

Where are air quality stations near Tōmi?

Atobe, Saku, Nagano, Japan (佐久佐久市)

16.7 km PM2.5: 4.1 µg/m³

甲府市/甲府市役所自排, Japan (甲府市役所自排甲府市)

19.4 km PM2.5: 32.1 µg/m³

Ozasa, Gunma, Japan (嬬恋村運動公園吾妻郡嬬恋村)

21.6 km PM2.5: 8.2 µg/m³

Ozasa, Gunma, Japan (嬬恋村運動公園吾妻郡嬬恋村)

21.6 km PM2.5: 8.2 µg/m³

Awasa, Chikuma, Nagano, Japan (更埴インターチェンジ千曲市)

29.4 km PM2.5: 10.1 µg/m³

What cities are near Tōmi?

37 Komoro 55 Ueda 75 Kamimaruko 22 Miyota 19 Saku 42 Sakaki 24 Karuizawa 42 Chikuma 38 Suzaka 42 Nagano

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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 2026-10-21T06:02 UTC.