Air Quality in Arai, Japan

Cloudy
24.9°C · 84.1% humidity
24.9°
Feels 24.9°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
9 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
26 12pm
26
26
20 3pm
22
23
24 6pm
24
45
45 9pm
25
19
19 12am
19
19
19 3am
19
19
19 6am
19
19
26 9am
26
26
Station readings 11h ago
AQI 17
PM2.5 4.1 µg/m³ · 11h ago
AD 728×90

Air Quality Index Trend

42h · 15 stn

Arai'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.

84.1%
Humidity
38.0 km/h
Wind ESE
1008.3 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
20
4.9 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

42h · 15 stations
PM2.54.9 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
4.9
Median
4.87
Average
3.1
Low
7.4
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +1.1
08-03
32.8° 24.9°
2.12 mm
08-04
31.5° 25.1°
9.94 mm
08-05
29.9° 24.2°
2.25 mm
08-06
28.1° 26.3°
9.63 mm
08-07
31.4° 28.2°
0.38 mm
08-08
36.4° 26.7°
9.56 mm
08-09
36.3° 24.3°
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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 2026-08-08T06:32 UTC.