Air Quality in Yokohama, Japan

Cloudy
25.5°C · 73.0% humidity
25.5°
Feels 25.5°
48
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
33 9am
33
33
48 12pm
44
41
39 3pm
37
36
35 6pm
34
34
34 9pm
34
33
33 12am
33
33
33 3am
33
33
33 6am
33
33
Station readings 5h ago
AQI 14
PM2.5 3.4 µg/m³ · 5h ago
CAMS model adj -21
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

4h · 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.

73.0%
Humidity
28.6 km/h
Wind E
1009.4 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
48
11.37 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Yokohama?

Temperature & Precipitation

PM2.5 Trend

4h · 1 station
PM2.511.37 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (7 stations within 25 km)
11.37
Median
7.47
Average
2.6
Low
19.7
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -4.0

What is the 7-day forecast for Yokohama?

08-03
28.6° 22.5°
9.25 mm
08-04
32.1° 25.3°
9.31 mm
08-05
30.7° 25.6°
1.69 mm
08-06
29.4° 26.8°
13.19 mm
08-07
32.8° 25.1°
8.31 mm
08-08
33.5° 26.8°
38.63 mm
08-09
36.2° 23.2°
0.81 mm
Both models agree Avg diff: 2.6°C

Where are air quality stations near Yokohama?

25
Yokohama (横浜)
1.6 km PM2.5: 6.0 µg/m³
21
Yokohama (横浜)
1.6 km PM2.5: 5.0 µg/m³
33
西区平沼
4.2 km PM2.5: 8.0 µg/m³ PM10: 20.0 µg/m³
21
Sengencho, Kanagawa, Japan (西区浅間下交差点横浜市西区)
5.0 km PM2.5: 5.0 µg/m³
6
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: 1.4 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
–
港南区野庭町
8.7 km PM2.5: -1.0 µg/m³ PM10: 20.0 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
42
Kawasaki (川崎)
11.9 km PM2.5: 10.1 µg/m³
49
Ikegamicho, Kanagawa, Japan (池上新田公園前川崎市川崎区)
12.0 km PM2.5: 11.8 µg/m³

What cities are near Yokohama?

55 Isogo 65 Sugita 23 Kawasaki 19 Ōta 19 Kamata 41 Kamakura 19 Ikegami 55 Yokosuka 52 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 2026-08-08T03:03 UTC.