Air Quality in Iiyama, Japan
Rain
18.1°C · 96.4% humidity
18.1°
Feels 18.1°
46
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
AQI Forecast
27
7am
27
27
46
10am
41
37
34
1pm
32
31
30
4pm
29
28
35
7pm
55
54
54
10pm
54
54
54
1am
54
54
54
4am
54
34
Air Quality Index Trend
46h · 1 stnIiyama'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.
96.4%
Humidity
30.7 km/h
Wind SSE
1004.0 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
10.97 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Iiyama?
Temperature & Precipitation
PM2.5 Trend
46h · 1 stationPM2.510.97 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX19.9
Extreme
Both models agree
Avg diff: 4.4°C
Where are air quality stations near Iiyama?
What cities are near Iiyama?
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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 2026-07-22T01:20 UTC.