Air Quality in Arai, Japan
Rain
19.5°C · 96.5% humidity
19.5°
Feels 19.5°
55
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station
Nearby Monitoring Stations
Arai's air quality — share it
AQI Forecast
Calibrated
11
4pm
11
11
55
7pm
43
34
25
10pm
21
17
14
1am
12
11
10
4am
10
9
9
7am
9
8
9
10am
9
9
9
1pm
9
8
Station readings
12h ago
AQI 15
PM2.5 3.6 µg/m³ · 12h ago
CAMS model
adj -16
27
27
27
27
27
27
25
25
25
24
24
24
24
24
24
24
24
24
25
25
25
25
25
24
Air Quality Index Trend
40h · 3 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.
96.5%
Humidity
30.0 km/h
Wind SSE
1009.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
14.0 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Arai?
Temperature & Precipitation
PM2.5 Trend
40h · 3 stationsPM2.514.0 µg/m³
✓ WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
14.0
Median
14.0
Average
14.0
Low
14.0
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -7.8
What is the 7-day forecast for Arai?
09-05
26.4° 19.5°
4.19 mm
09-06
23.2° 18.5°
1.37 mm
09-07
28.3° 17.7°
0.63 mm
09-08
23.5° 16.2°
2.06 mm
09-09
24.4° 18.9°
1.0 mm
09-10
28.0° 19.4°
4.69 mm
09-11
27.3° 17.1°
3.12 mm
Both models agree
Avg diff: 2.6°C
Where are air quality stations near Arai?
What cities are near Arai?
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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.