Air Quality in Masaki-chō, Japan

Drizzle
19.9°C · 85.9% humidity
19.9°
Feels 19.9°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast
66 8pm
66
54
40 11pm
44
47
49 2am
50
51
32 5am
33
26
24 8am
25
25
25 11am
25
25
25 2pm
25
25
27 5pm
27
27
AD 728×90

Air Quality Index Trend

47h · 11 stn

Masaki-chō'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 Masaki-chō is 1.9× the WHO annual guideline of 5 µg/m³.

85.9%
Humidity
53.6 km/h
Wind SSW
1007.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
40
9.55 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

What is the weather forecast for Masaki-chō?

Temperature & Precipitation

PM2.5 Trend

47h · 11 stations
PM2.59.55 µg/m³ ✓ WHO
Good
PM1041.15 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (4 stations within 25 km)
9.55
Median
11.7
Average
9.1
Low
14.5
High
PM2.5 µg/m³ · Model: 20.3 · Bias: +10.8

What is the 7-day forecast for Masaki-chō?

05-29
19.9° 18.7°
16.06 mm
05-30
21.1° 19.2°
0.62 mm
05-31
19.9° 19.0°
06-01
21.0° 17.9°
2.81 mm
06-02
21.4° 19.7°
06-03
23.0° 18.2°
6.06 mm
06-04
21.5° 18.9°
0.88 mm
Both models agree Avg diff: 1.1°C

Where are air quality stations near Masaki-chō?

44
Kitakuroda, Ehime, Japan (松前伊予郡松前町)
0.8 km PM2.5: 10.6 µg/m³
38
Nishihabumachi, Matsuyama, Ehime, Japan (垣生小学校松山市)
2.9 km PM2.5: 9.1 µg/m³
25
Tomihisamachi, Matsuyama, Ehime, Japan (富久町松山市)
4.2 km PM2.5: 6.0 µg/m³
46
Asodamachi, Matsuyama, Ehime, Japan (朝生田松山市)
6.0 km PM2.5: 11.0 µg/m³
43
Kitasayacho, Matsuyama, Ehime, Japan (味生松山市)
6.2 km PM2.5: 10.3 µg/m³
44
Kitasayacho, Matsuyama, Ehime, Japan (味生松山市)
6.2 km PM2.5: 10.6 µg/m³
41
Matsuyama (松山)
7.6 km PM2.5: 9.8 µg/m³
42
Matsuyama (松山)
7.6 km PM2.5: 10.1 µg/m³
30
Taisanjicho, Matsuyama, Ehime, Japan (和気松山市)
11.4 km PM2.5: 7.2 µg/m³
6
Kuma, Ehime, Japan (久万高原上浮穴郡久万町)
23.1 km PM2.5: 1.4 µg/m³

What cities are near Masaki-chō?

43 Iyo 49 Haramachi 42 Matsuyama 51 Tōon 51 Hōjō 36 Uchiko 53 Shinagawa 36 Ōzu 57 Imabari 36 Yawatahama
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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 2026-05-29T14:37 UTC.