Air Quality in Yachi, Japan

Heavy Rain
18.0°C · 99.3% humidity
18.0°
Feels 18.0°
65
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station

Nearby Monitoring Stations

AQI Forecast
25 5pm
25
25
65 8pm
54
46
40 11pm
36
32
30 2am
29
28
27 5am
26
26
26 8am
26
27
34 11am
34
34
34 2pm
54
54
AD 728×90

Air Quality Index Trend

43h · 5 stn

Yachi'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 Yachi is 1.3× the WHO 24-hour guideline of 15 µg/m³.

99.3%
Humidity
14.7 km/h
Wind NE
1011.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
65
18.8 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Yachi?

Temperature & Precipitation

PM2.5 Trend

43h · 5 stations
PM2.518.8 µg/m³ ×1.3 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
18.8
Median
18.8
Average
18.8
Low
18.8
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -12.6

What is the 7-day forecast for Yachi?

09-05
23.5° 16.7°
16.0 mm
09-06
24.2° 17.4°
1.56 mm
09-07
25.4° 16.9°
0.06 mm
09-08
23.0° 18.0°
13.44 mm
09-09
22.5° 15.8°
0.31 mm
09-10
27.1° 18.3°
3.31 mm
09-11
25.2° 14.8°
0.31 mm
Both models agree Avg diff: 2.5°C

Where are air quality stations near Yachi?

25
Nishine, Sagae, Yamagata, Japan (寒河江西根寒河江市)
4.4 km PM2.5: 6.0 µg/m³

What cities are near Yachi?

65 Sagae 65 Higashine 65 Tendō 65 Murayama 65 Yamagata 57 Obanazawa 57 Kaminoyama 57 Shinjō 57 Nagai 57 Nanyō
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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 2026-09-05T11:14 UTC.