Air Quality in Iiyama, Japan
Drizzle
15.8°C · 97.1% humidity
15.8°
Feels 15.8°
29
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Iiyama's air quality — share it
AQI Forecast
25
4pm
25
25
29
7pm
27
27
24
10pm
24
24
24
1am
24
24
24
4am
24
24
24
7am
24
24
25
10am
25
24
24
1pm
24
24
Air Quality Index Trend
42h · 3 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.
97.1%
Humidity
27.3 km/h
Wind SE
1011.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.9 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Iiyama?
Temperature & Precipitation
PM2.5 Trend
42h · 3 stationsPM2.56.9 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Iiyama?
09-05
21.8° 15.8°
3.19 mm
09-06
21.4° 15.5°
5.31 mm
09-07
23.2° 16.4°
2.81 mm
09-08
21.1° 13.7°
10.94 mm
09-09
20.2° 14.4°
0.69 mm
09-10
20.4° 16.2°
5.5 mm
09-11
22.8° 15.4°
2.19 mm
Both models agree
Avg diff: 3.1°C
Where are air quality stations 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 2026-09-05T10:11 UTC.