Air Quality in Hōjō, Japan

Windy
26.4°C · 90.2% humidity
26.4°
Feels 26.4°
61
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
5 stations

Nearby Monitoring Stations

AQI Forecast
54 6am
54
54
61 9am
73
68
44 12pm
41
32
31 3pm
30
29
35 6pm
35
55
54 9pm
54
54
54 12am
54
54
54 3am
54
54
AD 728×90

Air Quality Index Trend

44h · 11 stn

Hōjō'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 Hōjō is 1.1× the WHO 24-hour guideline of 15 µg/m³.

90.2%
Humidity
78.7 km/h
Wind ENE
994.4 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
61
16.68 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

What is the weather forecast for Hōjō?

Temperature & Precipitation

PM2.5 Trend

44h · 11 stations
PM2.516.68 µg/m³ ×1.1 WHO
Moderate
PM1027.45 µg/m³
Good
UV INDEX12.9
Extreme
AD 300×250
Station readings (5 stations within 25 km)
16.68
Median
14.26
Average
2.4
Low
20.2
High
PM2.5 µg/m³ · Model: 13.7 · Bias: -3.0

What is the 7-day forecast for Hōjō?

07-22
29.1° 25.0°
0.81 mm
07-23
26.5° 22.4°
16.31 mm
07-24
26.3° 24.7°
3.94 mm
07-25
26.3° 25.3°
0.06 mm
07-26
28.9° 25.3°
0.25 mm
07-27
26.8° 25.1°
1.0 mm
07-28
27.5° 25.1°
0.31 mm
Both models agree Avg diff: 2.1°C

Where are air quality stations near Hōjō?

21
Taisanjicho, Matsuyama, Ehime, Japan (和気松山市)
10.7 km PM2.5: 5.0 µg/m³
42
Matsuyama (松山)
15.3 km PM2.5: 10.1 µg/m³
46
Matsuyama (松山)
15.3 km PM2.5: 11.0 µg/m³
68
Kitasayacho, Matsuyama, Ehime, Japan (味生松山市)
15.7 km PM2.5: 20.2 µg/m³
72
Kitasayacho, Matsuyama, Ehime, Japan (味生松山市)
15.7 km PM2.5: 22.1 µg/m³
21
Asodamachi, Matsuyama, Ehime, Japan (朝生田松山市)
17.4 km PM2.5: 5.0 µg/m³
25
Tomihisamachi, Matsuyama, Ehime, Japan (富久町松山市)
17.7 km PM2.5: 6.0 µg/m³
24
Nishihabumachi, Matsuyama, Ehime, Japan (垣生小学校松山市)
19.6 km PM2.5: 5.8 µg/m³
37
Asahimachi, Imabari, Ehime, Japan (今治旭今治市)
22.6 km PM2.5: 8.9 µg/m³
13
Kitakuroda, Ehime, Japan (松前伊予郡松前町)
22.7 km PM2.5: 3.1 µg/m³

What cities are near Hōjō?

62 Matsuyama 59 Masaki-chō 59 Tōon 60 Haramachi 10 Imabari 59 Iyo 67 Kure 72 Saijō 77 Etajima 74 Takehara
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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 2026-07-22T00:21 UTC.