Air Quality in Yokosuka, Japan

Drizzle
20.7°C · 89.4% humidity
20.7°
Feels 20.7°
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
17 stations

Nearby Monitoring Stations

AQI Forecast
54 8pm
54
54
24 11pm
27
29
30 2am
31
32
33 5am
33
33
34 8am
54
66
66 11am
66
54
54 2pm
54
54
54 5pm
54
54
AD 728×90

Air Quality Index Trend

48h · 3 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 1.1× the WHO annual guideline of 5 µg/m³.

89.4%
Humidity
59.3 km/h
Wind SW
1003.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
24
5.69 µg/m³
PM10▲
53
59.3 µg/m³
050100150200300500

What is the weather forecast for Yokosuka?

Temperature & Precipitation

PM2.5 Trend

48h · 3 stations
PM2.55.69 µg/m³ ✓ WHO
Good
PM1059.3 µg/m³
Moderate
UV INDEX0.7
Low
AD 300×250
Station readings (17 stations within 25 km)
5.69
Median
6.11
Average
2.6
Low
13.1
High
PM2.5 µg/m³ · Model: 17.65 · Bias: +12.0

What is the 7-day forecast for Yokosuka?

05-29
21.1° 19.3°
1.56 mm
05-30
20.7° 18.1°
4.13 mm
05-31
21.4° 19.8°
0.44 mm
06-01
22.5° 20.1°
06-02
23.2° 19.2°
06-03
22.1° 21.1°
0.62 mm
06-04
21.3° 19.2°
Both models agree Avg diff: 2.1°C

Where are air quality stations near Yokosuka?

30
Ogawacho, Yokosuka, Kanagawa, Japan (小川町交差点横須賀市)
0.3 km PM2.5: 7.2 µg/m³
38
Yokosuka (横須賀)
0.5 km PM2.5: 9.1 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: 8.0 µg/m³
53
Natsushimacho, Yokosuka, Kanagawa, Japan (追浜行政センター横須賀市)
4.5 km PM2.5: 13.1 µg/m³
54
Kurihama, Yokosuka, Kanagawa, Japan (久里浜行政センター横須賀市)
7.5 km PM2.5: 13.5 µg/m³
47
Nagasaka, Yokosuka, Kanagawa, Japan (西行政センター横須賀市)
7.8 km PM2.5: 11.3 µg/m³
17
Nagasaka, Yokosuka, Kanagawa, Japan (西行政センター横須賀市)
7.8 km PM2.5: 4.1 µg/m³
25
Tomiokahigashi, Kanagawa, Japan (金沢区長浜横浜市金沢区)
9.3 km PM2.5: 6.0 µg/m³
30
Inoyamacho, Kanagawa, Japan (栄区上郷小学校横浜市栄区)
12.0 km PM2.5: 7.2 µg/m³
12
港南区野庭町
14.6 km PM2.5: 3.0 µg/m³ PM10: 9.0 µg/m³

What cities are near Yokosuka?

25 Kurihama 26 Zushi 25 Hayama 33 Sugita 28 Kamakura 27 Futtsu 35 Isogo 21 Miura 35 Yokohama 22 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 2026-05-29T14:35 UTC.