Air Quality in Saijō, Japan
Drizzle
25.0°C · 96.8% humidity
25.0°
Feels 25.0°
70
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station
Nearby Monitoring Stations
Saijō's air quality — share it
AQI Forecast
34
5am
34
34
70
8am
65
62
60
11am
58
57
56
2pm
56
55
55
5pm
35
34
34
8pm
34
54
54
11pm
54
54
54
2am
54
54
Air Quality Index Trend
44h · 10 stnSaijō'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 Saijō is 1.4× the WHO 24-hour guideline of 15 µg/m³.
96.8%
Humidity
27.1 km/h
Wind ENE
995.6 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
21.1 µg/m³
PM10
34.3 µg/m³
050100150200300500
What is the weather forecast for Saijō?
Temperature & Precipitation
PM2.5 Trend
44h · 10 stationsPM2.521.1 µg/m³
×1.4 WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX2.9
Moderate
Station readings (1 station within 25 km)
21.1
Median
21.1
Average
21.1
Low
21.1
High
PM2.5 µg/m³ · Model: 13.7 · Bias: -7.4
Both models agree
Avg diff: 4.2°C
Where are air quality stations near Saijō?
26
Omachi, Saijo, Ehime, Japan (西条西条市)
19
Hongo, Niihama, Ehime, Japan (中村新居浜市)
65
Hongo, Niihama, Ehime, Japan (中村新居浜市)
29
Hongo, Niihama, Ehime, Japan (中村新居浜市)
68
Nyugawa, Saijo, Ehime, Japan (東予西条市)
31
Nyugawa, Saijo, Ehime, Japan (東予西条市)
49
Kubotacho, Niihama, Ehime, Japan (金子新居浜市)
55
Kubotacho, Niihama, Ehime, Japan (金子新居浜市)
72
Kubotacho, Niihama, Ehime, Japan (金子新居浜市)
37
Asahimachi, Imabari, Ehime, Japan (今治旭今治市)
What cities are near Saijō?
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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 2026-07-21T23:16 UTC.