Air Quality in Sayō, Japan
Windy
27.5°C · 82.4% humidity
27.5°
Feels 33.5°
63
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
3 stations
Nearby Monitoring Stations
AQI Forecast
34
8am
34
34
63
11am
55
49
45
2pm
42
39
31
5pm
30
29
28
8pm
26
55
55
11pm
54
54
54
2am
54
54
54
5am
54
34
Air Quality Index Trend
47h · 1 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. Current PM2.5 concentration in Sayō is 1.2× the WHO 24-hour guideline of 15 µg/m³.
82.4%
Humidity
81.1 km/h
Wind SE
997.5 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
17.83 µg/m³
PM10
27.45 µg/m³
050100150200300500
What is the weather forecast for Sayō?
Temperature & Precipitation
PM2.5 Trend
47h · 1 stationPM2.517.83 µg/m³
×1.2 WHO
Moderate
PM1027.45 µg/m³
Good
UV INDEX19.9
Extreme
Station readings (3 stations within 25 km)
17.83
Median
17.9
Average
5.8
Low
24.9
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -7.0
What is the 7-day forecast for Sayō?
07-22
29.9° 21.7°
5.25 mm
07-23
26.2° 16.8°
2.12 mm
07-24
28.2° 23.2°
12.63 mm
07-25
29.1° 20.1°
4.69 mm
07-26
28.0° 22.5°
2.19 mm
07-27
31.0° 21.6°
1.31 mm
07-28
28.4° 24.1°
1.75 mm
Both models agree
Avg diff: 2.3°C
Where are air quality stations near Sayō?
16
Tatsunocho Tominaga, Tatsuno, Hyogo Prefecture, Japan (たつの市役所たつの市)
53
Mitsuishi, Bizen-shi, Okayama-ken, Japan (三石備前市)
55
Aioi, Hyogo Prefecture, Japan (池ノ内相生市)
13
Ikaruga, Hyogo Prefecture, Japan (太子町役場揖保郡太子町)
17
Aboshiku Kaichi Nakamachi, Himeji, Hyogo Prefecture, Japan (網干姫路市)
82
Aboshiku Kaichi Nakamachi, Himeji, Hyogo Prefecture, Japan (網干姫路市)
50
Hirohataku Seimondori, Himeji, Hyogo Prefecture, Japan (広畑姫路市)
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 2026-07-22T02:15 UTC.