What is the air quality in Yoichi today?

The current Air Quality Index (AQI) in Yoichi is 34 (Good). PM2.5 concentration is 8.2 µg/m³.

What is the temperature in Yoichi right now?

The current temperature in Yoichi is 15.3°C (feels like 15.3°C). Humidity is 55.3% and wind speed is 76.8 km/h.

Is it safe to go outside in Yoichi?

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

Air Quality in Yoichi, Japan

Windy

15.3°C · 55.3% humidity

15.3°

Feels 15.3°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

37h · 1 stn

View full history →

Yoichi'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.

55.3%

Humidity

76.8 km/h

Wind S

1017.5 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

8.2 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Yoichi?

Temperature & Precipitation

PM2.5 Trend

37h · 1 station

PM2.58.2 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (1 station within 25 km)

8.2

Median

8.2

Average

8.2

Low

8.2

High

PM2.5 µg/m³ · Model: 6.0 · Bias: -2.2

What is the 7-day forecast for Yoichi?

10-21

15.3° 12.3°

0.44 mm

10-22

9.9° 9.0°

21.56 mm

10-23

13.3° 7.7°

2.75 mm

10-24

11.1° 6.9°

2.25 mm

10-25

10.5° 8.1°

8.56 mm

10-26

13.3° 6.1°

0.06 mm

10-27

11.6° 7.1°

Both models agree Avg diff: 3.0°C

Where are air quality stations near Yoichi?

Katsunaichō, Otaru-shi, Hokkaidō, Japan (勝納小樽市)

20.5 km PM2.5: 8.2 µg/m³

What cities are near Yoichi?

34 Otaru 35 Kutchan 11 Ishikari 25 Sapporo 12 Tōbetsu 12 Ebetsu 12 Kitahiroshima 11 Eniwa 30 Iwamizawa 5 Date

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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.