Air Quality in Yokosuka, Japan

Drizzle
21.1°C · 80.7% humidity
21.1°
Feels 21.1°
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
21 stations

Nearby Monitoring Stations

AQI Forecast
27 3am
34
34
21 6am
25
27
29 9am
24
32
32 12pm
33
53
53 3pm
54
66
66 6pm
66
54
54 9pm
54
34
34 12am
34
34
AD 728×90

Air Quality Index Trend

49h · 1 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 1.0× the WHO annual guideline of 5 µg/m³.

80.7%
Humidity
181.3 km/h
Wind S
1001.7 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
21
5.04 µg/m³
PM10▲
25
27.45 µg/m³
050100150200300500

What is the weather forecast for Yokosuka?

Temperature & Precipitation

PM2.5 Trend

49h · 1 station
PM2.55.04 µg/m³ ✓ WHO
Good
PM1027.45 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (21 stations within 25 km)
5.04
Median
6.31
Average
2.0
Low
12.1
High
PM2.5 µg/m³ · Model: 13.7 · Bias: +8.7

What is the 7-day forecast for Yokosuka?

05-28
21.6° 16.8°
0.13 mm
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
Both models agree Avg diff: 2.5°C

Where are air quality stations near Yokosuka?

47
Ogawacho, Yokosuka, Kanagawa, Japan (小川町交差点横須賀市)
0.3 km PM2.5: 11.3 µg/m³
26
Yokosuka (横須賀)
0.5 km PM2.5: 6.2 µg/m³
25
横須賀市池上ｺﾐｭﾆﾃｨｾﾝﾀｰ
3.0 km PM2.5: 6.0 µg/m³ PM10: 10.0 µg/m³
16
Natsushimacho, Yokosuka, Kanagawa, Japan (追浜行政センター横須賀市)
4.5 km PM2.5: 3.8 µg/m³
55
Kurihama, Yokosuka, Kanagawa, Japan (久里浜行政センター横須賀市)
7.5 km PM2.5: 14.0 µg/m³
34
Nagasaka, Yokosuka, Kanagawa, Japan (西行政センター横須賀市)
7.8 km PM2.5: 8.2 µg/m³
38
Nagasaka, Yokosuka, Kanagawa, Japan (西行政センター横須賀市)
7.8 km PM2.5: 9.1 µg/m³
16
Tomiokahigashi, Kanagawa, Japan (金沢区長浜横浜市金沢区)
9.3 km PM2.5: 3.8 µg/m³
15
Inoyamacho, Kanagawa, Japan (栄区上郷小学校横浜市栄区)
12.0 km PM2.5: 3.6 µg/m³
8
港南区野庭町
14.6 km PM2.5: 2.0 µg/m³ PM10: 13.0 µg/m³

What cities are near Yokosuka?

32 Kurihama 23 Zushi 24 Hayama 22 Sugita 23 Kamakura 28 Futtsu 26 Isogo 31 Miura 25 Yokohama 25 Fujisawa
Get AQI alerts for Yokosuka

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-28T21:37 UTC.