What is the air quality in Tatsuno today?

The current Air Quality Index (AQI) in Tatsuno is 31 (Good). PM2.5 concentration is 7.48 µg/m³.

What is the temperature in Tatsuno right now?

The current temperature in Tatsuno is 16.6°C (feels like 16.6°C). Humidity is 64.7% and wind speed is 18.5 km/h.

Is it safe to go outside in Tatsuno?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Tatsuno, Japan

Drizzle

16.6°C · 64.7% humidity

16.6°

Feels 16.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 3 stn

View full history →

Tatsuno'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.

64.7%

Humidity

18.5 km/h

Wind SW

1017.6 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.48 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Tatsuno?

Temperature & Precipitation

PM2.5 Trend

45h · 3 stations

PM2.57.48 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (2 stations within 25 km)

7.48

Median

6.6

Average

4.1

Low

9.1

High

PM2.5 µg/m³ · Model: 5.8 · Bias: -1.7

What is the 7-day forecast for Tatsuno?

10-21

16.6° 6.1°

0.31 mm

10-22

20.4° 10.2°

0.13 mm

10-23

18.2° 5.6°

10-24

17.8° 9.7°

0.56 mm

10-25

16.9° 2.3°

6.19 mm

10-26

14.7° 3.4°

10-27

11.9° 5.6°

0.06 mm

Both models agree Avg diff: 4.6°C

Where are air quality stations near Tatsuno?

Kamigawa, Suwa, Nagano, Japan (諏訪諏訪市)

11.3 km PM2.5: 9.1 µg/m³

Kamigawa, Suwa, Nagano, Japan (諏訪諏訪市)

11.3 km PM2.5: 17.8 µg/m³

Kamigawa, Suwa, Nagano, Japan (諏訪諏訪市)

11.3 km PM2.5: 7.2 µg/m³

Arai, Ina, Nagano, Japan (伊那伊那市)

16.4 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)

33.6 km PM2.5: 32.1 µg/m³

What cities are near Tatsuno?

43 Okaya 20 Kinoshita 38 Suwa 42 Shimosuwa 18 Minamiminowa 38 Shiojiri 42 Chino 17 Ina 29 Matsumoto 17 Komagane

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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.