Air Quality in Arai, Japan
Rain
25.3°C · 76.0% humidity
25.3°
Feels 25.3°
52
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
Arai's air quality — share it
AQI Forecast
25
6am
27
27
52
9am
52
47
43
12pm
41
39
37
3pm
36
36
35
6pm
55
55
54
9pm
54
54
54
12am
54
54
54
3am
54
34
Air Quality Index Trend
43h · 1 stnArai'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.
76.0%
Humidity
42.6 km/h
Wind SSE
1000.2 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
12.85 µg/m³
PM10
27.45 µg/m³
050100150200300500
What is the weather forecast for Arai?
Temperature & Precipitation
PM2.5 Trend
43h · 1 stationPM2.512.85 µg/m³
✓ WHO
Moderate
PM1027.45 µg/m³
Good
UV INDEX5.9
High
What is the 7-day forecast for Arai?
07-22
29.4° 20.7°
16.06 mm
07-23
25.4° 15.8°
1.56 mm
07-24
26.0° 22.6°
3.25 mm
07-25
28.4° 19.8°
20.44 mm
07-26
26.8° 19.8°
0.25 mm
07-27
28.3° 19.9°
1.69 mm
07-28
25.3° 21.7°
7.63 mm
Both models agree
Avg diff: 1.7°C
Where are air quality stations near Arai?
What cities are near Arai?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-22T00:21 UTC.