Air Quality in Uonuma, Japan

Rain
22.2°C · 95.2% humidity
22.2°
Feels 22.2°
45
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
25 6am
25
25
45 9am
41
37
34 12pm
32
31
30 3pm
36
28
28 6pm
35
35
34 9pm
34
34
34 12am
27
27
27 3am
34
34
AD 728×90

Air Quality Index Trend

32h · 1 stn

Uonuma'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.

95.2%
Humidity
22.4 km/h
Wind E
1001.0 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
45
10.8 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Uonuma?

Temperature & Precipitation

PM2.5 Trend

32h · 1 station
PM2.510.8 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (1 station within 25 km)
10.8
Median
10.8
Average
10.8
Low
10.8
High
PM2.5 µg/m³ · Model: 9.75 · Bias: -1.0

What is the 7-day forecast for Uonuma?

07-22
31.4° 20.1°
16.75 mm
07-23
28.7° 15.5°
0.81 mm
07-24
26.6° 22.5°
7.13 mm
07-25
28.7° 19.7°
14.94 mm
07-26
25.9° 19.8°
2.88 mm
07-27
29.2° 19.5°
7.75 mm
07-28
27.6° 21.7°
11.25 mm
Both models agree Avg diff: 2.5°C

Where are air quality stations near Uonuma?

26
Muikamachi, Minamiuonuma, Niigata, Japan (六日町南魚沼市)
21.2 km PM2.5: 6.2 µg/m³

What cities are near Uonuma?

49 Ojiya 45 Minamiuonuma 45 Muikamachi 45 Tōkamachi 49 Nagaoka 45 Shiozawa 48 Tochio-honchō 47 Mitsuke 52 Kashiwazaki 40 Sanjō
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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 2026-07-22T00:21 UTC.