Air Quality in Matsuyama, Japan

Cloudy
26.8°C · 86.8% humidity
26.8°
Feels 26.8°
66
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
4 stations

Nearby Monitoring Stations

AQI Forecast
54 5am
54
54
66 8am
43
60
58 11am
37
36
29 2pm
28
28
28 5pm
34
34
54 8pm
54
54
54 11pm
54
54
54 2am
54
54
AD 728×90

Air Quality Index Trend

41h · 7 stn

Matsuyama'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 Matsuyama is 1.3× the WHO 24-hour guideline of 15 µg/m³.

86.8%
Humidity
23.3 km/h
Wind ESE
994.8 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
66
19.15 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

What is the weather forecast for Matsuyama?

Temperature & Precipitation

PM2.5 Trend

41h · 7 stations
PM2.519.15 µg/m³ ×1.3 WHO
Moderate
PM1041.15 µg/m³
Good
UV INDEX6.9
High
AD 300×250
Station readings (4 stations within 25 km)
19.15
Median
12.72
Average
6.2
Low
23.0
High
PM2.5 µg/m³ · Model: 16.35 · Bias: -2.8

What is the 7-day forecast for Matsuyama?

07-21
30.1° 23.8°
1.37 mm
07-22
30.1° 23.6°
0.63 mm
07-23
26.0° 18.8°
21.75 mm
07-24
26.0° 24.8°
9.62 mm
07-25
29.6° 22.9°
0.44 mm
07-26
30.9° 23.9°
1.37 mm
07-27
28.1° 23.0°
0.62 mm
Both models agree Avg diff: 2.4°C

Where are air quality stations near Matsuyama?

63
Matsuyama (松山)
0.0 km PM2.5: 17.8 µg/m³
93
Matsuyama (松山)
0.0 km PM2.5: 32.1 µg/m³
50
Asodamachi, Matsuyama, Ehime, Japan (朝生田松山市)
2.1 km PM2.5: 12.0 µg/m³
57
Kitasayacho, Matsuyama, Ehime, Japan (味生松山市)
3.6 km PM2.5: 15.0 µg/m³
65
Kitasayacho, Matsuyama, Ehime, Japan (味生松山市)
3.6 km PM2.5: 18.8 µg/m³
61
Tomihisamachi, Matsuyama, Ehime, Japan (富久町松山市)
4.1 km PM2.5: 16.9 µg/m³
21
Taisanjicho, Matsuyama, Ehime, Japan (和気松山市)
6.3 km PM2.5: 5.0 µg/m³
68
Nishihabumachi, Matsuyama, Ehime, Japan (垣生小学校松山市)
6.7 km PM2.5: 20.2 µg/m³
13
Kitakuroda, Ehime, Japan (松前伊予郡松前町)
8.4 km PM2.5: 3.1 µg/m³
53
Kuma, Ehime, Japan (久万高原上浮穴郡久万町)
24.1 km PM2.5: 13.1 µg/m³

What cities are near Matsuyama?

29 Masaki-chō 52 Haramachi 35 Iyo 54 Tōon 59 Hōjō 26 Shinagawa 68 Imabari 28 Uchiko 68 Saijō 29 Ōzu
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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.