Air Quality in Yoichi, Japan

Rain
14.0°C · 82.9% humidity
14.0°
Feels 14.0°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
24 3am
24
24
25 6am
24
24
24 9am
24
24
24 12pm
24
24
25 3pm
27
27
27 6pm
25
25
25 9pm
25
25
25 12am
27
25
AD 728×90

Air Quality Index Trend

43h · 3 stn

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. Current PM2.5 concentration in Yoichi is 1.2× the WHO annual guideline of 5 µg/m³.

82.9%
Humidity
24.6 km/h
Wind NE
998.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
25
5.9 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Yoichi?

Temperature & Precipitation

PM2.5 Trend

43h · 3 stations
PM2.55.9 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250

What is the 7-day forecast for Yoichi?

05-28
16.2° 10.8°
24.62 mm
05-29
14.4° 11.7°
12.75 mm
05-30
15.1° 11.8°
05-31
16.3° 12.2°
06-01
15.1° 13.4°
06-02
15.7° 13.9°
1.63 mm
06-03
16.6° 14.2°
1.63 mm
Both models agree Avg diff: 2.3°C

Where are air quality stations near Yoichi?

61
Katsunaichō, Otaru-shi, Hokkaidō, Japan (勝納小樽市)
20.5 km PM2.5: 16.9 µg/m³
9
Katsunaichō, Otaru-shi, Hokkaidō, Japan (勝納小樽市)
20.5 km PM2.5: 2.2 µg/m³
9
Katsunaichō, Otaru-shi, Hokkaidō, Japan (勝納小樽市)
20.5 km PM2.5: 2.2 µg/m³
17
Katsunaichō, Otaru-shi, Hokkaidō, Japan (勝納小樽市)
20.5 km PM2.5: 4.1 µg/m³

What cities are near Yoichi?

26 Otaru 35 Kutchan 10 Ishikari 14 Sapporo 12 Tōbetsu 13 Ebetsu 19 Kitahiroshima 29 Eniwa 38 Iwamizawa 34 Date
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-28T21:35 UTC.