Air Quality in Aso, Japan

Overcast
14.9°C · 97.6% humidity
14.9°
Feels 14.9°
46
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
83 1am
83
66
46 4am
52
56
47 7am
49
30
21 10am
22
23
23 1pm
23
24
25 4pm
25
25
27 7pm
27
27
34 10pm
34
34
AD 728×90

Air Quality Index Trend

47h · 11 stn

Aso'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.

97.6%
Humidity
34.2 km/h
Wind E
1017.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
46
11.09 µg/m³
PM10
44
48.05 µg/m³
050100150200300500

What is the weather forecast for Aso?

Temperature & Precipitation

PM2.5 Trend

47h · 11 stations
PM2.511.09 µg/m³ ✓ WHO
Good
PM1048.05 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (2 stations within 25 km)
11.09
Median
11.8
Average
11.0
Low
12.6
High
PM2.5 µg/m³ · Model: 19.2 · Bias: +8.1

What is the 7-day forecast for Aso?

05-29
17.3° 14.9°
19.25 mm
05-30
18.5° 14.8°
1.0 mm
05-31
23.2° 15.0°
06-01
27.2° 14.7°
0.38 mm
06-02
18.1° 15.8°
2.13 mm
06-03
20.4° 14.4°
14.0 mm
06-04
23.3° 14.1°
17.06 mm
Both models agree Avg diff: 2.4°C

Where are air quality stations near Aso?

46
Uchinomaki, Aso, Kumamoto, Japan (阿蘇保健所阿蘇市)
4.7 km PM2.5: 11.0 µg/m³
48
Hikimizu, Kumamoto, Japan (大津町引水菊池郡大津町)
19.5 km PM2.5: 11.5 µg/m³

What cities are near Aso?

52 Ōzu 38 Kikuchi 33 Okino 36 Kōshi 34 Takedamachi 48 Shimada 43 Mifune 49 Kotō 45 Uekimachi-mōno 38 Yamaga
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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 2026-05-29T19:39 UTC.