Air Quality in Yokosuka, Japan

Rain
24.0°C · 85.9% humidity
24.0°
Feels 24.0°
69
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
16 stations

Nearby Monitoring Stations

AQI Forecast
83 5am
83
83
69 8am
74
139
156 11am
142
143
144 2pm
82
65
65 5pm
66
66
66 8pm
83
54
54 11pm
54
54
54 2am
54
54
AD 728×90

Air Quality Index Trend

47h · 23 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.

85.9%
Humidity
77.8 km/h
Wind NNE
1002.3 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
69
20.84 µg/m³
PM10
63
79.9 µg/m³
050100150200300500

What is the weather forecast for Yokosuka?

Temperature & Precipitation

PM2.5 Trend

47h · 23 stations
PM2.520.84 µg/m³ ×1.4 WHO
Moderate
PM1079.9 µg/m³
Moderate
UV INDEX9.4
Very High
AD 300×250
Station readings (16 stations within 25 km)
20.84
Median
15.62
Average
5.0
Low
21.1
High
PM2.5 µg/m³ · Model: 27.1 · Bias: +6.3

What is the 7-day forecast for Yokosuka?

07-21
26.5° 22.8°
5.87 mm
07-22
27.2° 24.0°
3.0 mm
07-23
25.5° 22.8°
3.25 mm
07-24
26.1° 23.1°
1.5 mm
07-25
26.4° 23.1°
07-26
27.9° 23.7°
0.62 mm
07-27
28.3° 24.5°
6.81 mm
Both models agree Avg diff: 1.9°C

Where are air quality stations near Yokosuka?

53
Ogawacho, Yokosuka, Kanagawa, Japan (小川町交差点横須賀市)
0.3 km PM2.5: 13.1 µg/m³
57
Yokosuka (横須賀)
0.5 km PM2.5: 15.0 µg/m³
61
横須賀市池上ｺﾐｭﾆﾃｨｾﾝﾀｰ
3.0 km PM2.5: 17.0 µg/m³ PM10: 32.0 µg/m³
30
Natsushimacho, Yokosuka, Kanagawa, Japan (追浜行政センター横須賀市)
4.5 km PM2.5: 7.2 µg/m³
28
Kurihama, Yokosuka, Kanagawa, Japan (久里浜行政センター横須賀市)
7.5 km PM2.5: 6.7 µg/m³
44
Nagasaka, Yokosuka, Kanagawa, Japan (西行政センター横須賀市)
7.8 km PM2.5: 10.6 µg/m³
28
Nagasaka, Yokosuka, Kanagawa, Japan (西行政センター横須賀市)
7.8 km PM2.5: 6.7 µg/m³
36
Tomiokahigashi, Kanagawa, Japan (金沢区長浜横浜市金沢区)
9.3 km PM2.5: 8.6 µg/m³
33
Inoyamacho, Kanagawa, Japan (栄区上郷小学校横浜市栄区)
12.0 km PM2.5: 7.9 µg/m³
68
港南区野庭町
14.6 km PM2.5: 20.0 µg/m³ PM10: 51.0 µg/m³

What cities are near Yokosuka?

56 Kurihama 58 Zushi 58 Hayama 61 Sugita 55 Kamakura 61 Futtsu 66 Isogo 57 Miura 60 Yokohama 61 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 2026-07-21T23:16 UTC.