Air Quality in Yokosuka, Japan

Rain
25.0°C · 83.6% humidity
25.0°
Feels 25.0°
68
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
21 stations

Nearby Monitoring Stations

AQI Forecast
27 4pm
27
27
68 7pm
56
48
42 10pm
38
35
33 1am
31
28
27 4am
26
26
26 7am
28
27
54 10am
54
54
54 1pm
54
54
AD 728×90

Air Quality Index Trend

45h · 108 stn

Yokosuka'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 Yokosuka is 1.4× the WHO 24-hour guideline of 15 µg/m³.

83.6%
Humidity
85.7 km/h
Wind ENE
1009.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
68
20.4 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Yokosuka?

Temperature & Precipitation

PM2.5 Trend

45h · 108 stations
PM2.520.4 µg/m³ ×1.4 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (21 stations within 25 km)
20.4
Median
8.22
Average
1.4
Low
20.7
High
PM2.5 µg/m³ · Model: 6.15 · Bias: -14.2

What is the 7-day forecast for Yokosuka?

09-05
26.5° 22.0°
26.75 mm
09-06
29.2° 24.0°
0.81 mm
09-07
27.4° 23.9°
0.44 mm
09-08
26.9° 23.6°
0.75 mm
09-09
25.9° 23.0°
26.75 mm
09-10
27.3° 25.3°
2.31 mm
09-11
27.4° 25.3°
0.44 mm
Both models agree Avg diff: 2.3°C

Where are air quality stations near Yokosuka?

69
Ogawacho, Yokosuka, Kanagawa, Japan (小川町交差点横須賀市)
0.3 km PM2.5: 20.7 µg/m³
21
横須賀市池上ｺﾐｭﾆﾃｨｾﾝﾀｰ
3.0 km PM2.5: 5.0 µg/m³ PM10: 11.0 µg/m³
25
Natsushimacho, Yokosuka, Kanagawa, Japan (追浜行政センター横須賀市)
4.5 km PM2.5: 6.0 µg/m³
38
Kurihama, Yokosuka, Kanagawa, Japan (久里浜行政センター横須賀市)
7.5 km PM2.5: 9.1 µg/m³
30
Nagasaka, Yokosuka, Kanagawa, Japan (西行政センター横須賀市)
7.8 km PM2.5: 7.2 µg/m³
58
Tomiokahigashi, Kanagawa, Japan (金沢区長浜横浜市金沢区)
9.3 km PM2.5: 15.4 µg/m³
30
Onarimachi, Kamakura, Kanagawa, Japan (鎌倉市役所鎌倉市)
11.2 km PM2.5: 7.2 µg/m³
30
Isogo, Kanagawa, Japan (磯子区総合庁舎横浜市磯子区)
13.9 km PM2.5: 7.2 µg/m³
31
Honmokuosatocho, Kanagawa, Japan (中区本牧横浜市中区)
14.6 km PM2.5: 7.4 µg/m³
21
港南区野庭町
14.6 km PM2.5: 5.0 µg/m³ PM10: 14.0 µg/m³

What cities are near Yokosuka?

38 Kurihama 32 Zushi 33 Hayama 44 Sugita 30 Kamakura 39 Futtsu 30 Isogo 38 Miura 27 Yokohama 19 Fujisawa
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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 2026-09-05T10:27 UTC.