Air Quality in Sayama, Japan

Drizzle
20.1°C · 92.6% humidity
20.1°
Feels 20.1°
32
Good
Air quality is satisfactory. Enjoy outdoor activities.
53 stations

Nearby Monitoring Stations

AQI Forecast
54 8pm
54
54
32 11pm
38
55
58 2am
60
50
51 5am
52
52
53 8am
53
53
54 11am
54
54
54 2pm
54
54
54 5pm
54
54
AD 728×90

Air Quality Index Trend

48h · 1 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. Current PM2.5 concentration in Sayama is 1.6× the WHO annual guideline of 5 µg/m³.

92.6%
Humidity
29.4 km/h
Wind NNW
1007.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
32
7.76 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Sayama?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.57.76 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (53 stations within 25 km)
7.76
Median
8.46
Average
2.2
Low
18.8
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +2.2

What is the 7-day forecast for Sayama?

05-29
20.9° 19.8°
43.0 mm
05-30
23.0° 19.0°
7.5 mm
05-31
23.4° 20.1°
0.06 mm
06-01
27.5° 19.8°
06-02
25.0° 19.6°
3.19 mm
06-03
29.4° 18.4°
1.69 mm
06-04
23.4° 17.5°
0.62 mm
Both models agree Avg diff: 2.8°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
21
Osaka Prefecture, Japan (美原丹上堺市美原区)
2.4 km PM2.5: 5.0 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
27
Tokiwacho, Tondabayashi, Osaka Prefecture, Japan (富田林市役所富田林市)
3.7 km PM2.5: 6.5 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
38
Tokiwacho, Tondabayashi, Osaka Prefecture, Japan (富田林市役所富田林市)
3.7 km PM2.5: 9.1 µg/m³
21
Ishiharacho, Osaka Prefecture, Japan (中環石原堺市)
5.5 km PM2.5: 5.0 µg/m³
38
Ishiharacho, Osaka Prefecture, Japan (中環石原堺市)
5.5 km PM2.5: 9.1 µg/m³
25
Ishiharacho, Osaka Prefecture, Japan (中環石原堺市)
5.5 km PM2.5: 6.0 µg/m³
78
Ishiharacho, Osaka Prefecture, Japan (中環石原堺市)
5.5 km PM2.5: 24.9 µg/m³

What cities are near Sayama?

20 Tondabayashichō 30 Habikino 37 Matsubara 24 Fujiidera 27 Kanō 32 Kawachi-Nagano 24 Kashihara 46 Sakai 35 Yao 31 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 2026-05-29T14:50 UTC.