Air Quality in Honmachi, Japan

Cloudy
20.6°C · 86.2% humidity
20.6°
Feels 20.6°
51
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
6 stations

Nearby Monitoring Stations

AQI Forecast
66 12am
66
66
51 3am
55
58
60 6am
62
51
52 9am
53
53
53 12pm
53
54
54 3pm
54
54
54 6pm
34
34
54 9pm
54
54
AD 728×90

Air Quality Index Trend

47h · 18 stn

Honmachi'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.

86.2%
Humidity
19.6 km/h
Wind S
1015.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
51
12.28 µg/m³
PM10▲
63
79.9 µg/m³
050100150200300500

What is the weather forecast for Honmachi?

Temperature & Precipitation

PM2.5 Trend

47h · 18 stations
PM2.512.28 µg/m³ ✓ WHO
Moderate
PM1079.9 µg/m³
Moderate
UV INDEX0.7
Low
AD 300×250
Station readings (6 stations within 25 km)
12.28
Median
10.52
Average
3.6
Low
15.9
High
PM2.5 µg/m³ · Model: 23.15 · Bias: +10.9

What is the 7-day forecast for Honmachi?

05-29
21.0° 20.2°
16.69 mm
05-30
21.9° 19.9°
0.13 mm
05-31
23.6° 20.5°
06-01
25.8° 19.9°
1.0 mm
06-02
24.9° 21.6°
0.19 mm
06-03
23.6° 19.5°
17.69 mm
06-04
23.7° 20.3°
51.63 mm
Both models agree Avg diff: 2.4°C

Where are air quality stations near Honmachi?

30
Yatsushiro (八代市)
0.4 km PM2.5: 7.2 µg/m³
59
Yatsushiro (八代市)
0.4 km PM2.5: 15.9 µg/m³
38
Yatsushiro (八代市)
0.4 km PM2.5: 9.1 µg/m³
25
Koga Kamimachi, Yatsushiro, Kumamoto, Japan (八代八千把出張所八代市)
1.9 km PM2.5: 6.0 µg/m³
17
Miyajimachi, Yatsushiro, Kumamoto, Japan (八代自排局八代市)
3.8 km PM2.5: 4.1 µg/m³
50
Matsushimamachi Aitsu, Kamiamakusa, Kumamoto, Japan (上天草市合津上天草市松島町)
15.7 km PM2.5: 12.0 µg/m³
39
Kodanoura, Kumamoto, Japan (小田浦公民館葦北郡芦北町)
19.3 km PM2.5: 9.4 µg/m³
34
Kodanoura, Kumamoto, Japan (小田浦公民館葦北郡芦北町)
19.3 km PM2.5: 8.2 µg/m³
21
Asahimachi, Uto, Kumamoto, Japan (宇土運動公園宇土市)
21.1 km PM2.5: 5.0 µg/m³
25
Asahimachi, Uto, Kumamoto, Japan (宇土運動公園宇土市)
21.1 km PM2.5: 6.0 µg/m³

What cities are near Honmachi?

51 Uki 52 Matsubase 40 Ōyanomachi-noboritate 53 Uto 56 Sashiki 51 Mifune 56 Shimada 59 Kotō 52 Kumamoto 54 Hitoyoshi
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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 2026-05-29T18:39 UTC.