Air Quality in Yokosuka, Japan

Windy
24.9°C · 81.9% humidity
24.9°
Feels 24.9°
55
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
15 7am
15
22
55 10am
66
59
54 1pm
51
28
26 4pm
25
17
17 7pm
16
16
16 10pm
15
15
22 1am
22
22
42 4am
42
42
Station readings
14
CAMS model adj -12
27
27
34
34
54
54
54
54
34
34
34
27
27
27
27
27
27
27
34
34
34
54
54
54
AD 728×90

Air Quality Index Trend

3h · 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.

81.9%
Humidity
45.7 km/h
Wind NE
1009.2 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
55
13.78 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Yokosuka?

Temperature & Precipitation

PM2.5 Trend

3h · 1 station
PM2.513.78 µg/m³ ✓ WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (4 stations within 25 km)
13.78
Median
9.3
Average
4.1
Low
19.7
High
PM2.5 µg/m³ · Model: 6.5 · Bias: -7.3

What is the 7-day forecast for Yokosuka?

08-03
27.3° 22.5°
12.44 mm
08-04
27.5° 25.6°
7.81 mm
08-05
27.8° 25.4°
3.31 mm
08-06
27.3° 27.0°
12.62 mm
08-07
27.8° 25.2°
7.69 mm
08-08
28.4° 26.8°
44.31 mm
08-09
29.9° 24.5°
0.44 mm
Both models agree Avg diff: 1.6°C

Where are air quality stations near Yokosuka?

38
Yokosuka (横須賀)
0.5 km PM2.5: 9.1 µg/m³
16
Yokosuka (横須賀)
0.5 km PM2.5: 3.8 µg/m³
38
横須賀市池上ｺﾐｭﾆﾃｨｾﾝﾀｰ
3.0 km PM2.5: 9.0 µg/m³ PM10: 12.0 µg/m³
30
Kurihama, Yokosuka, Kanagawa, Japan (久里浜行政センター横須賀市)
7.5 km PM2.5: 7.2 µg/m³
12
Nagasaka, Yokosuka, Kanagawa, Japan (西行政センター横須賀市)
7.8 km PM2.5: 2.9 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
30
Honmokuosatocho, Kanagawa, Japan (中区本牧横浜市中区)
14.6 km PM2.5: 7.2 µg/m³
25
港南区野庭町
14.6 km PM2.5: 6.0 µg/m³ PM10: 19.0 µg/m³
28
Okamoto, Kamakura-shi, Kanagawa-ken, Japan (鎌倉市岡本鎌倉市)
15.2 km PM2.5: 6.7 µg/m³

What cities are near Yokosuka?

46 Kurihama 52 Zushi 51 Hayama 65 Sugita 41 Kamakura 19 Futtsu 55 Isogo 67 Miura 48 Yokohama 26 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 2026-08-08T01:59 UTC.