Air Quality in Sayō, Japan
Drizzle
23.2°C · 78.8% humidity
23.2°
Feels 23.2°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations
Nearby Monitoring Stations
Sayō's air quality — share it
AQI Forecast
34
5pm
34
34
18
8pm
21
19
21
11pm
22
22
23
2am
23
23
24
5am
24
24
24
8am
24
24
25
11am
25
25
25
2pm
25
25
Air Quality Index Trend
45h · 17 stnSayō'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.
78.8%
Humidity
55.4 km/h
Wind ENE
1005.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
4.41 µg/m³
PM10▲
20.55 µg/m³
050100150200300500
What is the weather forecast for Sayō?
Temperature & Precipitation
PM2.5 Trend
45h · 17 stationsPM2.54.41 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
Station readings (3 stations within 25 km)
4.41
Median
4.33
Average
2.2
Low
7.2
High
PM2.5 µg/m³ · Model: 6.5 · Bias: +2.1
What is the 7-day forecast for Sayō?
09-05
27.7° 22.2°
1.25 mm
09-06
26.9° 19.4°
1.0 mm
09-07
27.3° 19.6°
0.63 mm
09-08
24.5° 17.6°
1.63 mm
09-09
27.1° 21.5°
8.31 mm
09-10
29.4° 18.6°
0.69 mm
09-11
29.0° 20.9°
2.63 mm
Both models agree
Avg diff: 2.5°C
Where are air quality stations near Sayō?
19
Mitsuishi, Bizen-shi, Okayama-ken, Japan (三石備前市)
15
Asahi, Aioi, Hyogo Prefecture, Japan (相生市役所相生市)
26
Ikaruga, Hyogo Prefecture, Japan (太子町役場揖保郡太子町)
What cities are near Sayō?
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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 2026-09-05T11:16 UTC.