Air Quality in Sayō, Japan

Rain
14.6°C · 90.2% humidity
14.6°
Feels 14.6°
60
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
5 stations

Nearby Monitoring Stations

AQI Forecast
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Air Quality Index Trend

45h · 21 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. Current PM2.5 concentration in Sayō is 1.1× the WHO 24-hour guideline of 15 µg/m³.

90.2%
Humidity
15.0 km/h
Wind NNE
1018.5 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
60
16.36 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Sayō?

Temperature & Precipitation

PM2.5 Trend

45h · 21 stations
PM2.516.36 µg/m³ ×1.1 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX0.0
Low
Station readings (5 stations within 25 km)
16.36
Median
16.5
Average
10.3
Low
22.1
High
PM2.5 µg/m³ · Model: 8.2 · Bias: -8.2

What is the 7-day forecast for Sayō?

10-21
17.7° 12.9°
2.44 mm
10-22
23.0° 14.7°
0.13 mm
10-23
20.8° 11.0°
10-24
20.0° 15.7°
1.0 mm
10-25
19.5° 6.9°
2.94 mm
10-26
18.1° 7.8°
10-27
18.2° 9.6°
0.19 mm
Both models agree Avg diff: 4.4°C

Where are air quality stations near Sayō?

65
Tatsunocho Tominaga, Tatsuno, Hyogo Prefecture, Japan (たつの市役所たつの市)
23.4 km PM2.5: 18.8 µg/m³
42
Mitsuishi, Bizen-shi, Okayama-ken, Japan (三石備前市)
23.5 km PM2.5: 10.1 µg/m³
57
Mitsuishi, Bizen-shi, Okayama-ken, Japan (三石備前市)
23.5 km PM2.5: 15.0 µg/m³
34
Asahi, Aioi, Hyogo Prefecture, Japan (相生市役所相生市)
24.3 km PM2.5: 8.2 µg/m³
72
Asahi, Aioi, Hyogo Prefecture, Japan (相生市役所相生市)
24.3 km PM2.5: 22.1 µg/m³
70
Asahi, Aioi, Hyogo Prefecture, Japan (相生市役所相生市)
24.3 km PM2.5: 21.1 µg/m³
63
Ikaruga, Hyogo Prefecture, Japan (太子町役場揖保郡太子町)
27.4 km PM2.5: 17.8 µg/m³
70
Hirohataku Seimondori, Himeji, Hyogo Prefecture, Japan (広畑姫路市)
33.0 km PM2.5: 21.1 µg/m³

What cities are near Sayō?

62 Kamigōri 66 Yamazakichō-nakabirose 64 Shisō 33 Hayashino 47 Tatsunochō-tominaga 71 Aioi 58 Tatsuno 57 Bizen 63 Ikaruga 70 Kariya
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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 2026-10-21T06:02 UTC.