Air Quality in Saijō, Japan

Drizzle
25.2°C · 56.3% humidity
25.2°
Feels 25.2°
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast
27 11am
27
27
15 2pm
18
21
23 5pm
31
52
52 8pm
53
53
53 11pm
54
54
54 2am
54
54
54 5am
66
54
54 8am
54
34
AD 728×90

Air Quality Index Trend

46h · 12 stn

Saijō'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.

56.3%
Humidity
26.5 km/h
Wind NNE
1013.1 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
15
3.68 µg/m³
PM10▲
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Saijō?

Temperature & Precipitation

PM2.5 Trend

46h · 12 stations
PM2.53.68 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250
Station readings (3 stations within 25 km)
3.68
Median
7.27
Average
3.6
Low
11.0
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +3.7

What is the 7-day forecast for Saijō?

06-09
25.2° 18.8°
0.56 mm
06-10
22.1° 15.8°
1.13 mm
06-11
25.2° 17.8°
06-12
25.3° 17.7°
0.06 mm
06-13
27.7° 19.0°
6.5 mm
06-14
20.4° 19.2°
3.25 mm
06-15
28.5° 17.5°
3.62 mm
Both models agree Avg diff: 1.9°C

Where are air quality stations near Saijō?

61
Omachi, Saijo, Ehime, Japan (西条西条市)
0.8 km PM2.5: 16.9 µg/m³
29
Hongo, Niihama, Ehime, Japan (中村新居浜市)
9.1 km PM2.5: 7.0 µg/m³
21
Hongo, Niihama, Ehime, Japan (中村新居浜市)
9.1 km PM2.5: 5.0 µg/m³
53
Hongo, Niihama, Ehime, Japan (中村新居浜市)
9.1 km PM2.5: 13.1 µg/m³
53
Nyugawa, Saijo, Ehime, Japan (東予西条市)
9.7 km PM2.5: 13.1 µg/m³
28
Nyugawa, Saijo, Ehime, Japan (東予西条市)
9.7 km PM2.5: 6.7 µg/m³
30
Kubotacho, Niihama, Ehime, Japan (金子新居浜市)
10.0 km PM2.5: 7.2 µg/m³
34
Kubotacho, Niihama, Ehime, Japan (金子新居浜市)
10.0 km PM2.5: 8.2 µg/m³
39
Kubotacho, Niihama, Ehime, Japan (金子新居浜市)
10.0 km PM2.5: 9.4 µg/m³
24
Asahimachi, Imabari, Ehime, Japan (今治旭今治市)
23.5 km PM2.5: 5.8 µg/m³

What cities are near Saijō?

29 Niihama 36 Imabari 35 Tōon 36 Shikokuchūō 19 Shinagawa 38 Hōjō 42 Kawanoechō 40 Matsuyama 37 Haramachi 20 Innoshima
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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 2026-06-09T05:01 UTC.