Air Quality in Ryōgoku, Japan

Cloudy
23.9°C · 84.3% humidity
23.9°
Feels 23.9°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
19 11am
19
19
18 2pm
19
19
19 5pm
19
17
19 8pm
19
19
19 11pm
19
26
26 2am
26
19
19 5am
19
19
19 8am
26
26
Station readings 4h ago
AQI 17
PM2.5 4.1 µg/m³ · 4h ago
AD 728×90

Air Quality Index Trend

46h · 53 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.

84.3%
Humidity
20.0 km/h
Wind NE
1009.5 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
18
4.19 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Ryōgoku?

Temperature & Precipitation

PM2.5 Trend

46h · 53 stations
PM2.54.19 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (7 stations within 25 km)
4.19
Median
3.97
Average
2.2
Low
5.0
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +2.1

What is the 7-day forecast for Ryōgoku?

08-03
27.4° 21.3°
7.44 mm
08-04
32.0° 23.5°
0.31 mm
08-05
31.7° 25.2°
1.56 mm
08-06
30.1° 25.0°
9.88 mm
08-07
34.4° 25.2°
5.38 mm
08-08
31.9° 25.9°
35.81 mm
08-09
33.6° 23.4°
0.31 mm
Both models agree Avg diff: 2.9°C

Where are air quality stations near Ryōgoku?

30
Hanazakicho, Narita, Chiba, Japan (成田花崎（車）成田市)
8.0 km PM2.5: 7.2 µg/m³
25
Karabe, Narita, Chiba, Japan (成田加良部成田市)
9.1 km PM2.5: 6.0 µg/m³
21
Karabe, Narita, Chiba, Japan (成田加良部成田市)
9.1 km PM2.5: 5.0 µg/m³
30
Karabe, Narita, Chiba, Japan (成田加良部成田市)
9.1 km PM2.5: 7.2 µg/m³
21
Karabe, Narita, Chiba, Japan (成田加良部成田市)
9.1 km PM2.5: 5.0 µg/m³
17
Yokoshiba, Chiba, Japan (横芝光横芝山武郡横芝光町)
12.6 km PM2.5: 4.1 µg/m³
42
Ebara Shinden, Sakura, Chiba, Japan (佐倉江原新田佐倉市)
14.5 km PM2.5: 10.1 µg/m³
30
Ebara Shinden, Sakura, Chiba, Japan (佐倉江原新田佐倉市)
14.5 km PM2.5: 7.2 µg/m³
17
Horiage, Tōgane-shi, Chiba-ken, Japan (東金堀上東金市)
17.9 km PM2.5: 4.1 µg/m³
25
Horiage, Tōgane-shi, Chiba-ken, Japan (東金堀上東金市)
17.9 km PM2.5: 6.0 µg/m³

What cities are near Ryōgoku?

18 Narita 18 Yachimata 20 Shisui 14 Sanmu 20 Sakura 13 Yokoshiba 15 Narutō 10 Yōkaichiba 10 Sōsa 19 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 2026-08-08T05:43 UTC.