Air Quality in Sayama, Japan

Partly Cloudy
30.5°C · 66.6% humidity
30.5°
Feels 36.1°
65
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
55 stations

Nearby Monitoring Stations

AQI Forecast
54 7am
54
54
65 10am
62
60
58 1pm
57
56
55 4pm
55
55
55 7pm
54
54
66 10pm
66
66
66 1am
66
83
83 4am
66
66
AD 728×90

Air Quality Index Trend

47h · 42 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 1.2× the WHO 24-hour guideline of 15 µg/m³.

66.6%
Humidity
27.7 km/h
Wind E
997.9 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
65
18.62 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

What is the weather forecast for Sayama?

Temperature & Precipitation

PM2.5 Trend

47h · 42 stations
PM2.518.62 µg/m³ ×1.2 WHO
Moderate
PM1041.15 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250
Station readings (55 stations within 25 km)
18.62
Median
18.4
Average
10.1
Low
28.3
High
PM2.5 µg/m³ · Model: 16.35 · Bias: -2.3

What is the 7-day forecast for Sayama?

07-22
31.9° 25.6°
6.81 mm
07-23
29.3° 21.6°
12.69 mm
07-24
31.5° 26.3°
1.63 mm
07-25
32.1° 26.0°
1.13 mm
07-26
33.0° 25.4°
1.56 mm
07-27
31.5° 25.8°
1.44 mm
07-28
31.0° 26.5°
9.56 mm
Both models agree Avg diff: 1.7°C

Where are air quality stations near Sayama?

74
Osaka Prefecture, Japan (美原丹上堺市美原区)
2.4 km PM2.5: 23.0 µg/m³
74
Osaka Prefecture, Japan (美原丹上堺市美原区)
2.4 km PM2.5: 23.0 µg/m³
61
Tokiwacho, Tondabayashi, Osaka Prefecture, Japan (富田林市役所富田林市)
3.7 km PM2.5: 16.9 µg/m³
74
Tokiwacho, Tondabayashi, Osaka Prefecture, Japan (富田林市役所富田林市)
3.7 km PM2.5: 23.0 µg/m³
76
Tokiwacho, Tondabayashi, Osaka Prefecture, Japan (富田林市役所富田林市)
3.7 km PM2.5: 24.0 µg/m³
70
Tokiwacho, Tondabayashi, Osaka Prefecture, Japan (富田林市役所富田林市)
3.7 km PM2.5: 21.1 µg/m³
59
Ishiharacho, Osaka Prefecture, Japan (中環石原堺市)
5.5 km PM2.5: 15.9 µg/m³
74
Ishiharacho, Osaka Prefecture, Japan (中環石原堺市)
5.5 km PM2.5: 23.0 µg/m³
95
Ishiharacho, Osaka Prefecture, Japan (中環石原堺市)
5.5 km PM2.5: 33.0 µg/m³
85
Ishiharacho, Osaka Prefecture, Japan (中環石原堺市)
5.5 km PM2.5: 28.3 µg/m³

What cities are near Sayama?

71 Tondabayashichō 65 Habikino 65 Matsubara 65 Fujiidera 68 Kanō 67 Kawachi-Nagano 66 Kashihara 61 Sakai 64 Yao 65 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 2026-07-22T01:21 UTC.