Air Quality in Ryōgoku, Japan

Rain
24.1°C · 95.4% humidity
24.1°
Feels 24.1°
75
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
3 stations

Nearby Monitoring Stations

AQI Forecast
84 7am
83
66
75 10am
89
88
86 1pm
85
85
84 4pm
67
67
66 7pm
66
54
54 10pm
54
54
54 1am
54
66
66 4am
66
66
AD 728×90

Air Quality Index Trend

47h · 3 stn

Ryōgoku'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 Ryōgoku is 1.6× the WHO 24-hour guideline of 15 µg/m³.

95.4%
Humidity
16.7 km/h
Wind W
1002.0 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
75
23.33 µg/m³
PM10
60
73.05 µg/m³
050100150200300500

What is the weather forecast for Ryōgoku?

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations
PM2.523.33 µg/m³ ×1.6 WHO
Moderate
PM1073.05 µg/m³
Moderate
UV INDEX17.4
Extreme
AD 300×250
Station readings (3 stations within 25 km)
23.33
Median
22.4
Average
20.2
Low
24.9
High
PM2.5 µg/m³ · Model: 23.15 · Bias: -0.2

What is the 7-day forecast for Ryōgoku?

07-22
28.9° 24.1°
6.62 mm
07-23
27.9° 20.5°
1.5 mm
07-24
28.2° 24.4°
1.81 mm
07-25
32.7° 22.0°
0.25 mm
07-26
30.0° 21.6°
0.19 mm
07-27
29.3° 23.5°
1.31 mm
07-28
29.9° 23.7°
3.19 mm
Both models agree Avg diff: 2.8°C

Where are air quality stations near Ryōgoku?

63
Yachimata, Yachimata-shi, Chiba-ken, Japan (八街市八街八街市)
7.3 km PM2.5: 17.8 µg/m³
34
Yachimata, Yachimata-shi, Chiba-ken, Japan (八街市八街八街市)
7.3 km PM2.5: 8.2 µg/m³
70
Hanazakicho, Narita, Chiba, Japan (成田花崎（車）成田市)
8.0 km PM2.5: 21.1 µg/m³
46
Hanazakicho, Narita, Chiba, Japan (成田花崎（車）成田市)
8.0 km PM2.5: 11.0 µg/m³
61
Hanazakicho, Narita, Chiba, Japan (成田花崎（車）成田市)
8.0 km PM2.5: 16.9 µg/m³
68
Karabe, Narita, Chiba, Japan (成田加良部成田市)
9.1 km PM2.5: 20.2 µg/m³
68
Yokoshiba, Chiba, Japan (横芝光横芝山武郡横芝光町)
12.6 km PM2.5: 20.2 µg/m³
57
Ebara Shinden, Sakura, Chiba, Japan (佐倉江原新田佐倉市)
14.5 km PM2.5: 15.0 µg/m³
34
Horiage, Tōgane-shi, Chiba-ken, Japan (東金堀上東金市)
17.9 km PM2.5: 8.2 µg/m³
57
Horiage, Tōgane-shi, Chiba-ken, Japan (東金堀上東金市)
17.9 km PM2.5: 15.0 µg/m³

What cities are near Ryōgoku?

77 Narita 71 Yachimata 73 Shisui 70 Sanmu 72 Sakura 72 Yokoshiba 69 Narutō 73 Yōkaichiba 73 Sōsa 73 Ajiki
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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 2026-07-22T01:18 UTC.