Air Quality in Yokohama, Japan

Windy
22.4°C · 69.2% humidity
22.4°
Feels 22.4°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
46 stations

Nearby Monitoring Stations

AQI Forecast
27 3am
27
34
25 6am
33
39
43 9am
46
49
50 12pm
51
52
65 3pm
65
65
82 6pm
84
83
66 9pm
54
54
54 12am
54
34
AD 728×90

Air Quality Index Trend

49h · 1 stn

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. Current PM2.5 concentration in Yokohama is 1.2× the WHO annual guideline of 5 µg/m³.

69.2%
Humidity
149.9 km/h
Wind S
1000.3 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
25
5.89 µg/m³
PM10▲
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Yokohama?

Temperature & Precipitation

PM2.5 Trend

49h · 1 station
PM2.55.89 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (46 stations within 25 km)
5.89
Median
6.81
Average
2.0
Low
12.1
High
PM2.5 µg/m³ · Model: 16.35 · Bias: +10.5

What is the 7-day forecast for Yokohama?

05-28
27.6° 16.3°
05-29
23.4° 19.1°
1.06 mm
05-30
23.1° 19.3°
1.38 mm
05-31
25.4° 19.5°
0.06 mm
06-01
26.6° 20.4°
06-02
26.4° 20.9°
06-03
26.6° 22.2°
0.38 mm
Both models agree Avg diff: 2.1°C

Where are air quality stations near Yokohama?

50
Yokohama (横浜)
1.6 km PM2.5: 12.0 µg/m³
29
西区平沼
4.2 km PM2.5: 7.0 µg/m³ PM10: 12.0 µg/m³
9
Hirodaiotamachi, Kanagawa, Japan (神奈川区総合庁舎横浜市神奈川区)
5.2 km PM2.5: 2.2 µg/m³
13
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: 3.1 µg/m³
16
Tomiokahigashi, Kanagawa, Japan (金沢区長浜横浜市金沢区)
8.0 km PM2.5: 3.8 µg/m³
39
Honchodori, Kanagawa, Japan (鶴見区潮田交流プラザ横浜市鶴見区)
8.1 km PM2.5: 9.4 µg/m³
8
港南区野庭町
8.7 km PM2.5: 2.0 µg/m³ PM10: 13.0 µg/m³
53
Mamedocho, Kanagawa, Japan (港北区総合庁舎横浜市港北区)
9.7 km PM2.5: 13.1 µg/m³
13
Tajimacho, Kanagawa, Japan (国設川崎川崎市川崎区)
10.7 km PM2.5: 3.1 µg/m³
15
Inoyamacho, Kanagawa, Japan (栄区上郷小学校横浜市栄区)
10.9 km PM2.5: 3.6 µg/m³

What cities are near Yokohama?

26 Isogo 22 Sugita 37 Kawasaki 36 Ōta 35 Kamata 23 Kamakura 34 Ikegami 21 Yokosuka 23 Zushi 25 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 2026-05-28T21:36 UTC.