Air Quality in Honjō, Japan

Drizzle
24.7°C · 81.7% humidity
24.7°
Feels 24.7°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
0 6am
0
0
54 9am
44
32
42 12pm
35
31
27 3pm
25
23
22 6pm
21
21
20 9pm
20
20
19 12am
19
19
19 3am
19
0
Station readings 7h ago
AQI 17
PM2.5 4.1 µg/m³ · 7h ago
CAMS model adj -35
34
27
27
27
27
34
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
34
AD 728×90

Air Quality Index Trend

4h · 1 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.

81.7%
Humidity
14.5 km/h
Wind ENE
1009.7 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
54
13.5 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Honjō?

Temperature & Precipitation

PM2.5 Trend

4h · 1 station
PM2.513.5 µg/m³ ✓ WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (3 stations within 25 km)
13.5
Median
7.53
Average
2.6
Low
14.0
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -6.2

What is the 7-day forecast for Honjō?

08-03
26.2° 21.6°
6.63 mm
08-04
32.8° 23.8°
1.13 mm
08-05
31.6° 23.8°
3.5 mm
08-06
28.4° 24.0°
49.06 mm
08-07
36.1° 23.4°
20.56 mm
08-08
34.8° 24.7°
52.13 mm
08-09
34.0° 21.5°
1.75 mm
Both models agree Avg diff: 2.9°C

Where are air quality stations near Honjō?

25
Hinode, Honjo, Saitama, Japan (本庄本庄市)
1.0 km PM2.5: 6.0 µg/m³
50
Haragō, Fukaya-shi, Saitama-ken, Japan (深谷原郷自排深谷市)
10.1 km PM2.5: 12.0 µg/m³
15
Sakurazawa, Saitama Prefecture, Japan (寄居桜沢自排大里郡寄居町)
13.3 km PM2.5: 3.6 µg/m³
24
Iidacho, Ota, Gunma, Japan (太田市立中央小学校太田市)
18.2 km PM2.5: 5.8 µg/m³
17
Miyacho, Kumagaya, Saitama, Japan (熊谷熊谷市)
20.4 km PM2.5: 4.1 µg/m³
17
Miyacho, Kumagaya, Saitama, Japan (熊谷熊谷市)
20.4 km PM2.5: 4.1 µg/m³
16
Motosojamachi, Maebashi, Gunma, Japan (国設前橋自動車交通環境測定所前橋市)
21.1 km PM2.5: 3.8 µg/m³
25
Nakamachi, Kiryu, Gunma, Japan (桐生市立東小学校桐生市)
23.6 km PM2.5: 6.0 µg/m³
13
Shiroishi, Saitama Prefecture, Japan (東秩父秩父郡東秩父村)
24.5 km PM2.5: 3.1 µg/m³
74
Honjo, Ashikaga, Tochigi, Japan (足利市役所足利市)
26.0 km PM2.5: 23.0 µg/m³

What cities are near Honjō?

54 Ishigami 42 Sakai-nakajima 54 Kodamachō-kodamaminami 38 Isesaki 45 Fukayachō 37 Tamamura 47 Fujioka 55 Yorii 25 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 2026-08-08T00:55 UTC.