Air Quality in Sayō, Japan

Overcast
23.0°C · 97.4% humidity
23.0°
Feels 23.0°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast Calibrated
19 11am
19
26
26 2pm
26
26
26 5pm
26
26
26 8pm
26
46
46 11pm
46
46
46 2am
46
46
46 5am
46
46
26 8am
26
19
Station readings 13h ago
AQI 17
PM2.5 4.0 µg/m³ · 13h ago
AD 728×90

Air Quality Index Trend

44h · 16 stn

Sayō'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.

97.4%
Humidity
7.5 km/h
Wind NE
1007.5 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
26
6.25 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

44h · 16 stations
PM2.56.25 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
08-03
33.4° 23.0°
2.19 mm
08-04
31.5° 23.9°
2.13 mm
08-05
27.9° 23.4°
6.62 mm
08-06
26.3° 22.4°
3.5 mm
08-07
30.5° 21.8°
5.06 mm
08-08
34.4° 24.2°
7.63 mm
08-09
31.5° 22.9°
0.56 mm
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T05:43 UTC.