What is the air quality in Shonai today?

The current Air Quality Index (AQI) in Shonai is 23 (Good). PM2.5 concentration is 5.5 µg/m³.

What is the temperature in Shonai right now?

The current temperature in Shonai is 23.8°C (feels like 23.8°C). Humidity is 79.9% and wind speed is 132.5 km/h.

Is it safe to go outside in Shonai?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 4.4 (Moderate).

Air Quality in Shonai, Japan

Drizzle

23.8°C · 79.9% humidity

23.8°

Feels 23.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

25 6am

23 9am

25 12pm

24 3pm

25 6pm

24 9pm

27 12am

27 3am

Air Quality Index Trend

27h · 1 stn

View full history →

Shonai'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.

79.9%

Humidity

132.5 km/h

Wind ESE

1002.2 hPa

Pressure

4.4

UV Moderate

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.5 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Shonai?

Temperature & Precipitation

PM2.5 Trend

27h · 1 station

PM2.55.5 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX4.4

Moderate

Station readings (1 station within 25 km)

5.5

Median

5.5

Average

5.5

Low

5.5

High

PM2.5 µg/m³ · Model: 7.0 · Bias: +1.5

What is the 7-day forecast for Shonai?

07-22

25.8° 23.3°

4.38 mm

07-23

25.3° 20.8°

0.19 mm

07-24

27.3° 21.9°

07-25

26.5° 22.7°

0.19 mm

07-26

26.1° 22.7°

4.75 mm

07-27

25.6° 23.4°

5.44 mm

07-28

27.5° 23.6°

18.38 mm

Both models agree Avg diff: 1.4°C

Where are air quality stations near Shonai?

Wakahamacho, Sakata, Yamagata, Japan (酒田若浜酒田市)

8.6 km PM2.5: 14.0 µg/m³

Nishikimachi, Tsuruoka-shi, Yamagata-ken, Japan (鶴岡錦町鶴岡市)

13.8 km PM2.5: 25.9 µg/m³

What cities are near Shonai?

23 Sakata 23 Tsuruoka 29 Shinjō 37 Nikaho 40 Obanazawa 46 Yachi 45 Murayama 37 Yurihonjō 47 Sagae 30 Yuzawa

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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 2026-07-22T00:21 UTC.