Air Quality in Ōmachi, Japan
Partly Cloudy
14.2°C · 55.0% humidity
14.2°
Feels 14.2°
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Ōmachi's air quality — share it
AQI Forecast
25
8am
25
24
21
11am
24
24
24
2pm
24
24
25
5pm
25
25
25
8pm
27
27
27
11pm
27
34
34
2am
34
54
54
5am
34
34
Air Quality Index Trend
46h · 3 stnŌmachi'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.
55.0%
Humidity
16.3 km/h
Wind E
1016.4 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.0 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Ōmachi?
Temperature & Precipitation
PM2.5 Trend
46h · 3 stationsPM2.55.0 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX19.9
Extreme
Station readings (1 station within 25 km)
5.0
Median
5.0
Average
5.0
Low
5.0
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +0.9
What is the 7-day forecast for Ōmachi?
06-09
16.7° 10.1°
1.63 mm
06-10
16.0° 7.4°
11.0 mm
06-11
17.4° 9.6°
1.12 mm
06-12
15.8° 9.3°
1.25 mm
06-13
20.2° 10.9°
0.13 mm
06-14
24.0° 10.6°
0.38 mm
06-15
20.6° 12.5°
4.0 mm
Both models agree
Avg diff: 3.2°C
Where are air quality stations near Ōmachi?
36
Hokujo, Nagano Prefecture, Japan (国設八方尾根酸性雨北安曇郡白馬村)
64
Hokujo, Nagano Prefecture, Japan (国設八方尾根酸性雨北安曇郡白馬村)
60
Shinonoifusetakada, Nagano, Nagano Prefecture, Japan (篠ノ井長野市)
38
Shinonoifusetakada, Nagano, Nagano Prefecture, Japan (篠ノ井長野市)
What cities are near Ōmachi?
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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 2026-06-09T02:16 UTC.