Air Quality in Yoichi, Japan
Overcast
21.5°C · 94.2% humidity
21.5°
Feels 21.5°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Yoichi's air quality — share it
AQI Forecast
25
8am
25
25
30
11am
29
28
29
2pm
28
28
28
5pm
27
25
25
8pm
25
25
25
11pm
25
25
25
2am
25
25
25
5am
25
25
Air Quality Index Trend
39h · 4 stnYoichi'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.
94.2%
Humidity
11.6 km/h
Wind WSW
1008.8 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.2 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Yoichi?
Temperature & Precipitation
PM2.5 Trend
39h · 4 stationsPM2.57.2 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
Station readings (1 station within 25 km)
7.2
Median
7.2
Average
7.2
Low
7.2
High
PM2.5 µg/m³ · Model: 6.0 · Bias: -1.2
What is the 7-day forecast for Yoichi?
08-03
25.9° 18.7°
0.25 mm
08-04
26.0° 21.3°
0.69 mm
08-05
23.2° 17.5°
1.0 mm
08-06
26.3° 20.8°
08-07
25.3° 19.7°
0.19 mm
08-08
25.9° 20.8°
0.13 mm
08-09
21.1° 20.1°
16.0 mm
Both models agree
Avg diff: 2.0°C
Where are air quality stations near Yoichi?
17
Katsunaichō, Otaru-shi, Hokkaidō, Japan (勝納小樽市)
30
Katsunaichō, Otaru-shi, Hokkaidō, Japan (勝納小樽市)
25
Katsunaichō, Otaru-shi, Hokkaidō, Japan (勝納小樽市)
What cities are near Yoichi?
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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 2026-08-08T02:59 UTC.