Air Quality in Sayō, Japan

Partly Cloudy
20.0°C · 69.3% humidity
20.0°
Feels 20.0°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
27 8am
27
25
30 11am
29
28
27 2pm
26
26
26 5pm
25
27
27 8pm
27
34
34 11pm
34
34
34 2am
34
27
27 5am
27
27
AD 728×90

Air Quality Index Trend

47h · 14 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.

69.3%
Humidity
9.0 km/h
Wind E
1014.5 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
30
7.08 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Sayō?

Temperature & Precipitation

PM2.5 Trend

47h · 14 stations
PM2.57.08 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250
Station readings (2 stations within 25 km)
7.08
Median
7.05
Average
6.2
Low
7.9
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -0.8

What is the 7-day forecast for Sayō?

06-09
25.1° 17.7°
0.06 mm
06-10
22.7° 14.2°
6.88 mm
06-11
27.7° 17.2°
0.06 mm
06-12
24.0° 17.4°
5.63 mm
06-13
30.4° 18.6°
1.0 mm
06-14
20.8° 17.2°
0.13 mm
06-15
28.3° 16.5°
3.62 mm
Both models agree Avg diff: 1.6°C

Where are air quality stations near Sayō?

21
Tatsunocho Tominaga, Tatsuno, Hyogo Prefecture, Japan (たつの市役所たつの市)
23.4 km PM2.5: 5.0 µg/m³
25
Mitsuishi, Bizen-shi, Okayama-ken, Japan (三石備前市)
23.5 km PM2.5: 6.0 µg/m³
50
Aioi, Hyogo Prefecture, Japan (池ノ内相生市)
24.3 km PM2.5: 12.0 µg/m³
4
Ikaruga, Hyogo Prefecture, Japan (太子町役場揖保郡太子町)
27.4 km PM2.5: 1.0 µg/m³
33
Aboshiku Kaichi Nakamachi, Himeji, Hyogo Prefecture, Japan (網干姫路市)
31.7 km PM2.5: 7.9 µg/m³
29
Aboshiku Kaichi Nakamachi, Himeji, Hyogo Prefecture, Japan (網干姫路市)
31.7 km PM2.5: 7.0 µg/m³
26
Hirohataku Seimondori, Himeji, Hyogo Prefecture, Japan (広畑姫路市)
33.0 km PM2.5: 6.2 µg/m³

What cities are near Sayō?

30 Kamigōri 24 Yamazakichō-nakabirose 24 Shisō 29 Hayashino 27 Tatsunochō-tominaga 26 Aioi 28 Tatsuno 32 Bizen 31 Ikaruga 28 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 2026-06-09T02:16 UTC.