Air Quality in Yokohama, Japan

Drizzle
24.8°C · 78.8% humidity
24.8°
Feels 24.8°
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
39 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
13 5pm
33
33
34 8pm
13
33
33 11pm
13
13
6 2am
6
4
4 5am
6
13
13 8am
33
33
33 11am
33
33
45 2pm
33
33
Station readings 19h ago
AQI 9
PM2.5 2.2 µg/m³ · 19h ago
CAMS model adj -21
34
54
54
54
34
54
54
34
34
27
27
25
25
27
34
34
54
54
54
54
54
66
54
54
AD 728×90

Air Quality Index Trend

3h · 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.

78.8%
Humidity
51.5 km/h
Wind ENE
1009.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
34
8.11 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Yokohama?

Temperature & Precipitation

PM2.5 Trend

3h · 1 station
PM2.58.11 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (39 stations within 25 km)
8.11
Median
9.49
Average
0.5
Low
82.0
High
PM2.5 µg/m³ · Model: 9.75 · Bias: +1.6

What is the 7-day forecast for Yokohama?

09-05
26.6° 21.3°
18.12 mm
09-06
31.5° 24.1°
1.81 mm
09-07
31.0° 23.6°
1.56 mm
09-08
29.1° 23.1°
0.88 mm
09-09
27.5° 22.3°
16.06 mm
09-10
27.5° 24.8°
2.5 mm
09-11
30.9° 25.2°
0.06 mm
Both models agree Avg diff: 2.9°C

Where are air quality stations near Yokohama?

31
Honmokuosatocho, Kanagawa, Japan (中区本牧横浜市中区)
2.4 km PM2.5: 7.4 µg/m³
33
西区平沼
4.2 km PM2.5: 8.0 µg/m³ PM10: 20.0 µg/m³
30
Isogo, Kanagawa, Japan (磯子区総合庁舎横浜市磯子区)
4.5 km PM2.5: 7.2 µg/m³
34
Sengencho, Kanagawa, Japan (西区浅間下交差点横浜市西区)
5.0 km PM2.5: 8.2 µg/m³
58
Tomiokahigashi, Kanagawa, Japan (金沢区長浜横浜市金沢区)
8.0 km PM2.5: 15.4 µg/m³
30
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
21
港南区野庭町
8.7 km PM2.5: 5.0 µg/m³ PM10: 14.0 µg/m³
16
Tajimacho, Kanagawa, Japan (国設川崎川崎市川崎区)
10.7 km PM2.5: 3.8 µg/m³
34
Totsukacho, Kanagawa, Japan (戸塚区矢沢交差点横浜市戸塚区)
11.7 km PM2.5: 8.2 µg/m³
30
Ikegamicho, Kanagawa, Japan (池上新田公園前川崎市川崎区)
12.0 km PM2.5: 7.2 µg/m³

What cities are near Yokohama?

64 Isogo 42 Sugita 38 Kawasaki 21 Ōta 24 Kamata 15 Kamakura 43 Ikegami 8 Yokosuka 26 Zushi 27 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 2026-09-05T11:15 UTC.