Air Quality in Sasayama, Japan

Windy
26.8°C · 84.8% humidity
26.8°
Feels 26.8°
84
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast
54 7am
34
34
84 10am
70
60
52 1pm
47
43
41 4pm
39
37
36 7pm
56
55
35 10pm
55
54
54 1am
54
54
54 4am
54
54
AD 728×90

Air Quality Index Trend

47h · 22 stn

Sasayama'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 Sasayama is 1.8× the WHO 24-hour guideline of 15 µg/m³.

84.8%
Humidity
43.9 km/h
Wind SE
998.2 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
84
27.73 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Sasayama?

Temperature & Precipitation

PM2.5 Trend

47h · 22 stations
PM2.527.73 µg/m³ ×1.8 WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250
Station readings (2 stations within 25 km)
27.73
Median
27.55
Average
25.9
Low
29.2
High
PM2.5 µg/m³ · Model: 13.7 · Bias: -14.0

What is the 7-day forecast for Sasayama?

07-22
31.2° 21.3°
1.31 mm
07-23
29.1° 18.1°
0.81 mm
07-24
29.9° 23.6°
0.31 mm
07-25
33.2° 20.3°
1.19 mm
07-26
28.3° 20.7°
0.19 mm
07-27
31.2° 21.2°
0.31 mm
07-28
26.6° 21.9°
2.94 mm
Both models agree Avg diff: 2.4°C

Where are air quality stations near Sasayama?

12
Miwa, Sanda, Hyogo Prefecture, Japan (三田市役所三田市)
19.7 km PM2.5: 2.9 µg/m³
8
Miwa, Sanda, Hyogo Prefecture, Japan (三田市役所三田市)
19.7 km PM2.5: 1.9 µg/m³
63
Sonobecho Kuroda, Nantan, Kyoto Prefecture, Japan (南丹南丹市)
22.0 km PM2.5: 17.8 µg/m³
17
Gonosecho, Nishiwaki, Hyogo Prefecture, Japan (西脇市役所西脇市)
24.0 km PM2.5: 4.1 µg/m³

What cities are near Sasayama?

84 Tamba-Sasayama 72 Tanba 87 Sandachō 72 Tamba 80 Katō 66 Nishiwaki 73 Kimokawa 80 Nantan 99 Ayabe 54 Kajiya
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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 2026-07-22T01:23 UTC.