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
AD 728×90

Air Quality Index Trend

47h · 22 stn

Rittō'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▲
61
16.81 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

What is the weather forecast for Rittō?

Temperature & Precipitation

PM2.5 Trend

47h · 22 stations
PM2.516.81 µg/m³ ×1.1 WHO
Moderate
PM1027.45 µg/m³
Good
UV INDEX12.9
Extreme
AD 300×250
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)
3.9 km PM2.5: 4.1 µg/m³
68
Kusatsu, Kusatsu, Shiga, Japan (自排草津草津市)
3.9 km PM2.5: 20.2 µg/m³
68
Kusatsu, Kusatsu, Shiga, Japan (自排草津草津市)
3.9 km PM2.5: 20.2 µg/m³
13
Moriyama, Moriyama, Shiga, Japan (守山守山市)
4.2 km PM2.5: 3.1 µg/m³
65
Kusatsucho, Kusatsu, Shiga, Japan (草津草津市)
4.5 km PM2.5: 18.8 µg/m³
17
Ishiyamadera, Otsu, Shiga, Japan (石山大津市)
11.5 km PM2.5: 4.1 µg/m³
25
Ishiyamadera, Otsu, Shiga, Japan (石山大津市)
11.5 km PM2.5: 6.0 µg/m³
74
Honkatata, Otsu, Shiga, Japan (堅田大津市)
12.1 km PM2.5: 23.0 µg/m³
36
Honkatata, Otsu, Shiga, Japan (堅田大津市)
12.1 km PM2.5: 8.6 µg/m³
38
Otowadai, Otsu, Shiga, Japan (逢坂大津市)
12.6 km PM2.5: 9.1 µg/m³

What cities are near Rittō?

62 Kusatsu 59 Moriyama 62 Yasu 60 Konan 66 Ōtsu 65 Ōmihachiman 59 Kōka 59 Minakuchichō-matoba 65 Kitahama 63 Youkaichi
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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.