Air Quality in Kotō, Japan

Cloudy
19.7°C · 82.9% humidity
19.7°
Feels 19.7°
59
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
11 stations

Nearby Monitoring Stations

AQI Forecast
66 11pm
66
83
59 2am
66
71
57 5am
60
61
51 8am
52
25
24 11am
24
24
27 2pm
27
27
27 5pm
34
54
54 8pm
54
54
AD 728×90

Air Quality Index Trend

47h · 21 stn

Kotō'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 Kotō is 1.0× the WHO 24-hour guideline of 15 µg/m³.

82.9%
Humidity
13.1 km/h
Wind SE
1015.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
59
15.74 µg/m³
PM10▲
76
104.9 µg/m³
050100150200300500

What is the weather forecast for Kotō?

Temperature & Precipitation

PM2.5 Trend

47h · 21 stations
PM2.515.74 µg/m³ ✓ WHO
Moderate
PM10104.9 µg/m³
Moderate
UV INDEX0.7
Low
AD 300×250
Station readings (11 stations within 25 km)
15.74
Median
11.84
Average
7.2
Low
15.9
High
PM2.5 µg/m³ · Model: 27.1 · Bias: +11.4

What is the 7-day forecast for Kotō?

05-29
23.4° 19.7°
18.38 mm
05-30
24.5° 19.1°
0.5 mm
05-31
26.9° 19.3°
06-01
28.4° 19.1°
1.56 mm
06-02
26.6° 21.3°
0.56 mm
06-03
25.4° 17.6°
12.13 mm
06-04
27.0° 19.0°
30.87 mm
Both models agree Avg diff: 2.4°C

Where are air quality stations near Kotō?

79
Kuwamizuhonmachi, Kumamoto Prefecture, Japan (神水本町自排局熊本市中央区)
0.6 km PM2.5: 25.4 µg/m³
35
Kuwamizuhonmachi, Kumamoto Prefecture, Japan (神水本町自排局熊本市中央区)
0.6 km PM2.5: 8.4 µg/m³
46
Akitsu, Kumamoto-ken, Japan (秋津熊本市東区)
2.6 km PM2.5: 11.0 µg/m³
60
Akitsu, Kumamoto-ken, Japan (秋津熊本市東区)
2.6 km PM2.5: 16.4 µg/m³
66
Suidōchō, Kumamoto-ken, Japan (水道町自排局熊本市中央区)
4.1 km PM2.5: 19.2 µg/m³
44
Suidōchō, Kumamoto-ken, Japan (水道町自排局熊本市中央区)
4.1 km PM2.5: 10.6 µg/m³
66
Jonanmachitaka, Kumamoto Prefecture, Japan (城南町熊本市南区)
6.5 km PM2.5: 19.2 µg/m³
45
Jonanmachitaka, Kumamoto Prefecture, Japan (城南町熊本市南区)
6.5 km PM2.5: 10.8 µg/m³
17
Nirenoki, Kumamoto, Japan (楡木熊本市北区)
7.8 km PM2.5: 4.1 µg/m³
21
Nirenoki, Kumamoto, Japan (楡木熊本市北区)
7.8 km PM2.5: 5.0 µg/m³

What cities are near Kotō?

55 Shimada 51 Kumamoto 54 Mifune 50 Okino 38 Uto 48 Kōshi 46 Uekimachi-mōno 45 Matsubase 46 Ōzu 50 Uki
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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 2026-05-29T17:40 UTC.