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
AD 728×90

Air Quality Index Trend

47h · 1 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 1.2× 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▲
63
17.83 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

What is the weather forecast for Sayō?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.517.83 µg/m³ ×1.2 WHO
Moderate
PM1027.45 µg/m³
Good
UV INDEX19.9
Extreme
AD 300×250
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)
23.4 km PM2.5: 3.8 µg/m³
53
Mitsuishi, Bizen-shi, Okayama-ken, Japan (三石備前市)
23.5 km PM2.5: 13.1 µg/m³
55
Aioi, Hyogo Prefecture, Japan (池ノ内相生市)
24.3 km PM2.5: 14.0 µg/m³
13
Ikaruga, Hyogo Prefecture, Japan (太子町役場揖保郡太子町)
27.4 km PM2.5: 3.1 µg/m³
17
Aboshiku Kaichi Nakamachi, Himeji, Hyogo Prefecture, Japan (網干姫路市)
31.7 km PM2.5: 4.1 µg/m³
82
Aboshiku Kaichi Nakamachi, Himeji, Hyogo Prefecture, Japan (網干姫路市)
31.7 km PM2.5: 26.8 µg/m³
50
Hirohataku Seimondori, Himeji, Hyogo Prefecture, Japan (広畑姫路市)
33.0 km PM2.5: 12.0 µg/m³

What cities are near Sayō?

68 Kamigōri 75 Yamazakichō-nakabirose 76 Shisō 24 Hayashino 78 Tatsunochō-tominaga 74 Aioi 77 Tatsuno 32 Bizen 76 Ikaruga 89 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 2026-07-22T02:15 UTC.