Air Quality in Hōjō, Japan

Heavy Rain
19.1°C · 88.8% humidity
19.1°
Feels 19.1°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
9 stations

Nearby Monitoring Stations

AQI Forecast
54 6am
54
54
40 9am
47
53
56 12pm
59
61
62 3pm
63
52
53 6pm
53
53
54 9pm
34
34
54 12am
54
54
54 3am
54
54
AD 728×90

Air Quality Index Trend

47h · 15 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 1.9× the WHO annual guideline of 5 µg/m³.

88.8%
Humidity
141.6 km/h
Wind SE
1002.6 hPa
Pressure
7.9
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
40
9.55 µg/m³
PM10▲
51
54.9 µg/m³
050100150200300500

What is the weather forecast for Hōjō?

Temperature & Precipitation

PM2.5 Trend

47h · 15 stations
PM2.59.55 µg/m³ ✓ WHO
Good
PM1054.9 µg/m³
Moderate
UV INDEX7.9
Very High
AD 300×250
Station readings (9 stations within 25 km)
9.55
Median
9.79
Average
7.2
Low
12.0
High
PM2.5 µg/m³ · Model: 19.2 · Bias: +9.6

What is the 7-day forecast for Hōjō?

05-29
19.6° 18.3°
18.31 mm
05-30
19.8° 18.7°
1.0 mm
05-31
19.1° 18.7°
06-01
20.3° 18.9°
0.06 mm
06-02
21.4° 19.0°
0.31 mm
06-03
21.5° 17.7°
3.75 mm
06-04
21.1° 18.0°
0.13 mm
Both models agree Avg diff: 2.7°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
23
Matsuyama (松山)
15.3 km PM2.5: 5.5 µg/m³
1
Matsuyama (松山)
15.3 km PM2.5: 0.2 µg/m³
17
Kitasayacho, Matsuyama, Ehime, Japan (味生松山市)
15.7 km PM2.5: 4.1 µg/m³
17
Kitasayacho, Matsuyama, Ehime, Japan (味生松山市)
15.7 km PM2.5: 4.1 µg/m³
53
Asodamachi, Matsuyama, Ehime, Japan (朝生田松山市)
17.4 km PM2.5: 13.1 µg/m³
53
Tomihisamachi, Matsuyama, Ehime, Japan (富久町松山市)
17.7 km PM2.5: 13.1 µg/m³
42
Nishihabumachi, Matsuyama, Ehime, Japan (垣生小学校松山市)
19.6 km PM2.5: 10.1 µg/m³
36
Asahimachi, Imabari, Ehime, Japan (今治旭今治市)
22.6 km PM2.5: 8.6 µg/m³
64
Kitakuroda, Ehime, Japan (松前伊予郡松前町)
22.7 km PM2.5: 18.3 µg/m³

What cities are near Hōjō?

30 Matsuyama 44 Masaki-chō 39 Tōon 40 Haramachi 29 Imabari 43 Iyo 51 Kure 28 Saijō 48 Etajima 38 Takehara
Get AQI alerts for Hōjō

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T00:10 UTC.