Air Quality in Sayama, Japan
Partly Cloudy
21.9°C · 54.0% humidity
21.9°
Feels 21.9°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
37 stations
Nearby Monitoring Stations
Sayama's air quality — share it
AQI Forecast
54
7am
54
54
18
10am
21
22
24
1pm
32
32
33
4pm
33
53
54
7pm
54
54
66
10pm
66
83
83
1am
83
66
66
4am
66
54
Air Quality Index Trend
46h · 70 stnSayama'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.
54.0%
Humidity
10.1 km/h
Wind ENE
1014.8 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
4.18 µg/m³
PM10▲
27.4 µg/m³
050100150200300500
What is the weather forecast for Sayama?
Temperature & Precipitation
PM2.5 Trend
46h · 70 stationsPM2.54.18 µg/m³
✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX9.4
Very High
Station readings (37 stations within 25 km)
4.18
Median
5.0
Average
2.2
Low
12.0
High
PM2.5 µg/m³ · Model: 10.85 · Bias: +6.7
Both models agree
Avg diff: 1.8°C
Where are air quality stations near Sayama?
37
Osaka Prefecture, Japan (美原丹上堺市美原区)
17
Osaka Prefecture, Japan (美原丹上堺市美原区)
1
Tokiwacho, Tondabayashi, Osaka Prefecture, Japan (富田林市役所富田林市)
43
Tokiwacho, Tondabayashi, Osaka Prefecture, Japan (富田林市役所富田林市)
9
Tokiwacho, Tondabayashi, Osaka Prefecture, Japan (富田林市役所富田林市)
30
Tokiwacho, Tondabayashi, Osaka Prefecture, Japan (富田林市役所富田林市)
25
Ishiharacho, Osaka Prefecture, Japan (中環石原堺市)
13
Ishiharacho, Osaka Prefecture, Japan (中環石原堺市)
21
Ishiharacho, Osaka Prefecture, Japan (中環石原堺市)
25
Ishiharacho, Osaka Prefecture, Japan (中環石原堺市)
What cities are near Sayama?
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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 2026-06-09T01:02 UTC.