Air Quality in Itoigawa, Japan
Drizzle
24.1°C · 90.8% humidity
24.1°
Feels 24.1°
31
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Itoigawa's air quality — share it
AQI Forecast
27
6am
27
27
31
9am
34
34
34
12pm
34
34
34
3pm
34
34
34
6pm
34
34
34
9pm
34
27
27
12am
34
34
27
3am
27
27
Air Quality Index Trend
42h · 3 stnItoigawa'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.
90.8%
Humidity
105.7 km/h
Wind ENE
998.8 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.4 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Itoigawa?
Temperature & Precipitation
PM2.5 Trend
42h · 3 stationsPM2.57.4 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX6.9
High
Station readings (1 station within 25 km)
7.4
Median
7.4
Average
7.4
Low
7.4
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +2.6
What is the 7-day forecast for Itoigawa?
07-22
26.9° 23.9°
6.31 mm
07-23
25.0° 23.1°
1.0 mm
07-24
26.5° 23.2°
0.06 mm
07-25
27.2° 24.6°
0.56 mm
07-26
25.9° 24.1°
07-27
26.6° 24.8°
0.31 mm
07-28
26.1° 24.5°
0.56 mm
Both models agree
Avg diff: 1.7°C
Where are air quality stations near Itoigawa?
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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 2026-07-22T00:21 UTC.