Air Quality in Matsuyama, Japan

Heavy Rain
20.3°C · 88.2% humidity
20.3°
Feels 20.3°
32
Good
Air quality is satisfactory. Enjoy outdoor activities.
9 stations

Nearby Monitoring Stations

AQI Forecast
54 3am
54
54
32 6am
38
43
58 9am
60
62
63 12pm
64
64
65 3pm
65
53
54 6pm
54
54
54 9pm
34
34
54 12am
54
54
AD 728×90

Air Quality Index Trend

47h · 14 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 1.5× the WHO annual guideline of 5 µg/m³.

88.2%
Humidity
33.8 km/h
Wind SSE
1003.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
32
7.71 µg/m³
PM10▲
56
66.15 µg/m³
050100150200300500

What is the weather forecast for Matsuyama?

Temperature & Precipitation

PM2.5 Trend

47h · 14 stations
PM2.57.71 µg/m³ ✓ WHO
Good
PM1066.15 µg/m³
Moderate
UV INDEX0.7
Low
AD 300×250
Station readings (9 stations within 25 km)
7.71
Median
9.56
Average
7.7
Low
12.0
High
PM2.5 µg/m³ · Model: 20.3 · Bias: +12.6

What is the 7-day forecast for Matsuyama?

05-28
20.7° 12.8°
14.12 mm
05-29
20.3° 16.9°
27.75 mm
05-30
21.9° 17.5°
2.56 mm
05-31
21.8° 17.1°
06-01
23.1° 17.3°
0.69 mm
06-02
23.4° 18.5°
0.62 mm
06-03
23.7° 15.9°
5.88 mm
Both models agree Avg diff: 2.4°C

Where are air quality stations near Matsuyama?

38
Matsuyama (松山)
0.0 km PM2.5: 9.1 µg/m³
13
Matsuyama (松山)
0.0 km PM2.5: 3.1 µg/m³
13
Asodamachi, Matsuyama, Ehime, Japan (朝生田松山市)
2.1 km PM2.5: 3.1 µg/m³
34
Kitasayacho, Matsuyama, Ehime, Japan (味生松山市)
3.6 km PM2.5: 8.2 µg/m³
20
Kitasayacho, Matsuyama, Ehime, Japan (味生松山市)
3.6 km PM2.5: 4.8 µg/m³
21
Tomihisamachi, Matsuyama, Ehime, Japan (富久町松山市)
4.1 km PM2.5: 5.0 µg/m³
11
Taisanjicho, Matsuyama, Ehime, Japan (和気松山市)
6.3 km PM2.5: 2.6 µg/m³
38
Nishihabumachi, Matsuyama, Ehime, Japan (垣生小学校松山市)
6.7 km PM2.5: 9.1 µg/m³
40
Kitakuroda, Ehime, Japan (松前伊予郡松前町)
8.4 km PM2.5: 9.6 µg/m³
38
Kuma, Ehime, Japan (久万高原上浮穴郡久万町)
24.1 km PM2.5: 9.1 µg/m³

What cities are near Matsuyama?

40 Masaki-chō 39 Haramachi 40 Iyo 39 Tōon 39 Hōjō 44 Shinagawa 38 Imabari 42 Uchiko 25 Saijō 42 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 2026-05-28T21:36 UTC.