What is the air quality in Yokohama today?

The current Air Quality Index (AQI) in Yokohama is 21 (Good). PM2.5 concentration is 5.03 µg/m³.

What is the temperature in Yokohama right now?

The current temperature in Yokohama is 21.0°C (feels like 21.0°C). Humidity is 74.1% and wind speed is 39.0 km/h.

Is it safe to go outside in Yokohama?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 14.9 (Extreme).

Air Quality in Yokohama, Japan

Cloudy

21.0°C · 74.1% humidity

21.0°

Feels 21.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

41 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

26 8am

21 11am

13 2pm

11 5pm

28 8pm

27 11pm

27 2am

9 5am

Station readings 28h ago

AQI 27

PM2.5 6.5 µg/m³ · 28h ago

Air Quality Index Trend

48h · 1 stn

View full history →

Yokohama'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.

74.1%

Humidity

39.0 km/h

Wind S

1015.5 hPa

Pressure

14.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

5.03 µg/m³

PM10▲

27.4 µg/m³

050100150200300500

What is the weather forecast for Yokohama?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station

PM2.55.03 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX14.9

Extreme

Station readings (41 stations within 25 km)

5.03

Median

4.84

Average

1.2

Low

11.0

High

PM2.5 µg/m³ · Model: 16.35 · Bias: +11.3

What is the 7-day forecast for Yokohama?

06-09

22.6° 21.0°

06-10

27.1° 20.2°

1.44 mm

06-11

25.8° 19.4°

1.06 mm

06-12

23.4° 19.8°

0.75 mm

06-13

27.8° 20.9°

7.56 mm

06-14

27.5° 18.4°

48.44 mm

06-15

27.1° 20.6°

30.81 mm

Both models agree Avg diff: 1.8°C

Where are air quality stations near Yokohama?

Yokohama (横浜)

1.6 km PM2.5: 0.7 µg/m³

西区平沼

4.2 km PM2.5: 1.0 µg/m³ PM10: 7.0 µg/m³

Hirodaiotamachi, Kanagawa, Japan (神奈川区総合庁舎横浜市神奈川区)

5.2 km PM2.5: 3.6 µg/m³

Sakuragaoka, Kanagawa, Japan (保土ヶ谷区桜丘高校横浜市保土ヶ谷区)

6.1 km PM2.5: 7.2 µg/m³

Tomiokahigashi, Kanagawa, Japan (金沢区長浜横浜市金沢区)

8.0 km PM2.5: 7.0 µg/m³

Honchodori, Kanagawa, Japan (鶴見区潮田交流プラザ横浜市鶴見区)

8.1 km PM2.5: 7.2 µg/m³

港南区野庭町

8.7 km PM2.5: 8.0 µg/m³ PM10: 9.0 µg/m³

Mamedocho, Kanagawa, Japan (港北区総合庁舎横浜市港北区)

9.7 km PM2.5: 3.1 µg/m³

Tajimacho, Kanagawa, Japan (国設川崎川崎市川崎区)

10.7 km PM2.5: 6.7 µg/m³

Inoyamacho, Kanagawa, Japan (栄区上郷小学校横浜市栄区)

10.9 km PM2.5: 8.2 µg/m³

What cities are near Yokohama?

22 Isogo 24 Sugita 20 Kawasaki 21 Ōta 21 Kamata 20 Kamakura 21 Ikegami 29 Yokosuka 22 Zushi 16 Aobadai

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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 2026-06-09T02:44 UTC.