Air Quality in Honjō, Japan

Drizzle
21.3°C · 67.3% humidity
21.3°
Feels 21.3°
37
Good
Air quality is satisfactory. Enjoy outdoor activities.
8 stations

Nearby Monitoring Stations

AQI Forecast
54 3am
54
54
37 6am
22
25
21 9am
23
24
25 12pm
25
26
33 3pm
53
54
54 6pm
34
27
27 9pm
25
25
25 12am
25
25
AD 728×90

Air Quality Index Trend

47h · 24 stn

Honjō'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 Honjō is 1.8× the WHO annual guideline of 5 µg/m³.

67.3%
Humidity
15.7 km/h
Wind NE
997.9 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
37
8.79 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Honjō?

Temperature & Precipitation

PM2.5 Trend

47h · 24 stations
PM2.58.79 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (8 stations within 25 km)
8.79
Median
7.24
Average
0.2
Low
14.0
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +4.7

What is the 7-day forecast for Honjō?

05-28
31.5° 14.6°
4.87 mm
05-29
24.0° 18.8°
7.38 mm
05-30
23.4° 15.6°
0.88 mm
05-31
25.7° 18.4°
0.06 mm
06-01
27.2° 19.3°
06-02
26.4° 17.8°
0.38 mm
06-03
27.9° 20.6°
1.13 mm
Both models agree Avg diff: 3.4°C

Where are air quality stations near Honjō?

52
Kodamachō Takazeki, Honjō-shi, Saitama-ken, Japan (本庄児玉本庄市)
3.3 km PM2.5: 12.6 µg/m³
21
Kodamachō Takazeki, Honjō-shi, Saitama-ken, Japan (本庄児玉本庄市)
3.3 km PM2.5: 5.0 µg/m³
21
Haragō, Fukaya-shi, Saitama-ken, Japan (深谷原郷自排深谷市)
10.1 km PM2.5: 5.0 µg/m³
33
Menumahigashi, Kumagaya-shi, Saitama-ken, Japan (熊谷妻沼東熊谷市)
17.3 km PM2.5: 7.9 µg/m³
10
Menumahigashi, Kumagaya-shi, Saitama-ken, Japan (熊谷妻沼東熊谷市)
17.3 km PM2.5: 2.4 µg/m³
1
Minano, Saitama-ken, Japan (皆野秩父郡皆野町)
20.3 km PM2.5: 0.2 µg/m³
2
Ōtsuka, Saitama-ken, Japan (小川比企郡小川町)
20.8 km PM2.5: 0.5 µg/m³
11
Ōtsuka, Saitama-ken, Japan (小川比企郡小川町)
20.8 km PM2.5: 2.6 µg/m³
36
Nakamachi, Kiryu, Gunma, Japan (桐生市立東小学校桐生市)
23.6 km PM2.5: 8.6 µg/m³
30
Nakamachi, Kiryu, Gunma, Japan (桐生市立東小学校桐生市)
23.6 km PM2.5: 7.2 µg/m³

What cities are near Honjō?

32 Ishigami 36 Sakai-nakajima 41 Kodamachō-kodamaminami 26 Isesaki 42 Fukayachō 18 Tamamura 25 Fujioka 55 Yorii 31 Ōta 33 Menuma
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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 2026-05-28T21:35 UTC.