Air Quality in Rittō, Japan
Overcast
24.5°C · 96.0% humidity
24.5°
Feels 24.5°
61
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
8 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
35
6am
35
15
61
9am
41
32
25
12pm
20
17
21
3pm
19
18
17
6pm
17
16
16
9pm
16
15
15
12am
35
35
35
3am
35
35
Station readings
8
Air Quality Index Trend
47h · 22 stnRittō'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 Rittō is 1.1× the WHO 24-hour guideline of 15 µg/m³.
96.0%
Humidity
33.5 km/h
Wind ESE
999.4 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
16.81 µg/m³
PM10
27.45 µg/m³
050100150200300500
What is the weather forecast for Rittō?
Temperature & Precipitation
PM2.5 Trend
47h · 22 stationsPM2.516.81 µg/m³
×1.1 WHO
Moderate
PM1027.45 µg/m³
Good
UV INDEX12.9
Extreme
Station readings (8 stations within 25 km)
16.81
Median
19.01
Average
15.0
Low
25.9
High
PM2.5 µg/m³ · Model: 13.7 · Bias: -3.1
What is the 7-day forecast for Rittō?
07-22
28.4° 23.7°
1.44 mm
07-23
28.5° 19.8°
0.88 mm
07-24
28.0° 26.1°
2.44 mm
07-25
34.5° 22.9°
2.31 mm
07-26
31.6° 24.0°
2.75 mm
07-27
33.2° 23.4°
0.06 mm
07-28
30.3° 24.3°
0.69 mm
Both models agree
Avg diff: 2.6°C
Where are air quality stations near Rittō?
17
Kusatsu, Kusatsu, Shiga, Japan (自排草津草津市)
68
Kusatsu, Kusatsu, Shiga, Japan (自排草津草津市)
68
Kusatsu, Kusatsu, Shiga, Japan (自排草津草津市)
13
Moriyama, Moriyama, Shiga, Japan (守山守山市)
65
Kusatsucho, Kusatsu, Shiga, Japan (草津草津市)
17
Ishiyamadera, Otsu, Shiga, Japan (石山大津市)
25
Ishiyamadera, Otsu, Shiga, Japan (石山大津市)
74
Honkatata, Otsu, Shiga, Japan (堅田大津市)
36
Honkatata, Otsu, Shiga, Japan (堅田大津市)
38
Otowadai, Otsu, Shiga, Japan (逢坂大津市)
What cities are near Rittō?
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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.