Air Quality in Sayama, Japan

Partly Cloudy
27.4°C · 67.4% humidity
27.4°
Feels 31.5°
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
30 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
35 12pm
42
42
24 3pm
49
53
55 6pm
57
59
60 9pm
60
61
61 12am
61
62
62 3am
62
62
62 6am
62
62
62 9am
62
62
Station readings 21h ago
AQI 33
PM2.5 7.9 µg/m³ · 21h ago
AD 728×90

Air Quality Index Trend

45h · 73 stn

Sayama'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.

67.4%
Humidity
15.6 km/h
Wind ENE
1006.7 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
24
5.78 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Sayama?

Temperature & Precipitation

PM2.5 Trend

45h · 73 stations
PM2.55.78 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (30 stations within 25 km)
5.78
Median
6.13
Average
2.2
Low
11.0
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +0.5

What is the 7-day forecast for Sayama?

08-03
36.2° 26.0°
0.13 mm
08-04
33.0° 27.1°
2.69 mm
08-05
31.6° 25.2°
1.56 mm
08-06
28.7° 23.9°
36.44 mm
08-07
32.9° 27.1°
2.88 mm
08-08
34.2° 25.3°
4.31 mm
08-09
30.6° 25.4°
0.88 mm
Both models agree Avg diff: 2.7°C

Where are air quality stations near Sayama?

13
Osaka Prefecture, Japan (美原丹上堺市美原区)
2.4 km PM2.5: 3.1 µg/m³
30
Osaka Prefecture, Japan (美原丹上堺市美原区)
2.4 km PM2.5: 7.2 µg/m³
13
Osaka Prefecture, Japan (美原丹上堺市美原区)
2.4 km PM2.5: 3.1 µg/m³
30
Osaka Prefecture, Japan (美原丹上堺市美原区)
2.4 km PM2.5: 7.2 µg/m³
30
Osaka Prefecture, Japan (美原丹上堺市美原区)
2.4 km PM2.5: 7.2 µg/m³
25
Osaka Prefecture, Japan (美原丹上堺市美原区)
2.4 km PM2.5: 6.0 µg/m³
55
Tokiwacho, Tondabayashi, Osaka Prefecture, Japan (富田林市役所富田林市)
3.7 km PM2.5: 14.0 µg/m³
30
Tokiwacho, Tondabayashi, Osaka Prefecture, Japan (富田林市役所富田林市)
3.7 km PM2.5: 7.2 µg/m³
25
Tokiwacho, Tondabayashi, Osaka Prefecture, Japan (富田林市役所富田林市)
3.7 km PM2.5: 6.0 µg/m³
34
Tokiwacho, Tondabayashi, Osaka Prefecture, Japan (富田林市役所富田林市)
3.7 km PM2.5: 8.2 µg/m³

What cities are near Sayama?

13 Tondabayashichō 25 Habikino 26 Matsubara 25 Fujiidera 19 Kanō 11 Kawachi-Nagano 24 Kashihara 39 Sakai 27 Yao 29 Takaishi
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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 2026-08-08T06:37 UTC.