Air Quality in Uonuma, Japan
Partly Cloudy
20.4°C · 63.3% humidity
20.4°
Feels 20.4°
19
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Uonuma's air quality — share it
AQI Forecast
27
8am
27
25
19
11am
21
22
25
2pm
25
26
26
5pm
26
27
34
8pm
54
54
54
11pm
54
54
54
2am
34
34
27
5am
27
27
Air Quality Index Trend
44h · 1 stnUonuma'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.
63.3%
Humidity
11.9 km/h
Wind NW
1015.3 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.45 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Uonuma?
Temperature & Precipitation
PM2.5 Trend
44h · 1 stationPM2.54.45 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX9.4
Very High
Station readings (2 stations within 25 km)
4.45
Median
4.45
Average
3.1
Low
5.8
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +1.5
What is the 7-day forecast for Uonuma?
06-09
22.2° 16.5°
0.13 mm
06-10
19.7° 14.9°
6.44 mm
06-11
25.3° 14.7°
0.31 mm
06-12
18.1° 15.4°
2.81 mm
06-13
26.0° 15.8°
0.69 mm
06-14
30.7° 17.8°
0.31 mm
06-15
28.3° 16.4°
1.75 mm
Both models agree
Avg diff: 2.0°C
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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 2026-06-09T02:18 UTC.