Air Quality in Umi, Japan

Rain
18.9°C · 96.1% humidity
18.9°
Feels 18.9°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
22 stations

Nearby Monitoring Stations

AQI Forecast
66 6am
66
83
28 9am
43
54
45 12pm
51
55
58 3pm
61
62
63 6pm
64
82
82 9pm
65
65
66 12am
66
83
83 3am
83
84
AD 728×90

Air Quality Index Trend

47h · 31 stn

Umi'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 Umi is 1.3× the WHO annual guideline of 5 µg/m³.

96.1%
Humidity
20.1 km/h
Wind E
1004.2 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
28
6.7 µg/m³
PM10
85
123.05 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

47h · 31 stations
PM2.56.7 µg/m³ ✓ WHO
Good
PM10123.05 µg/m³
Moderate
UV INDEX10.9
Extreme
AD 300×250
6.7
Median
7.33
Average
3.4
Low
13.5
High
PM2.5 µg/m³ · Model: 23.6 · Bias: +16.9
05-29
21.5° 18.8°
5.44 mm
05-30
22.1° 19.2°
0.19 mm
05-31
25.4° 19.5°
06-01
29.1° 18.0°
1.25 mm
06-02
24.0° 20.0°
06-03
22.3° 16.2°
30.31 mm
06-04
26.8° 18.0°
43.75 mm
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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 2026-05-29T00:11 UTC.