Air Quality in Hayama, Japan
Drizzle
21.1°C · 80.7% humidity
21.1°
Feels 21.1°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
18 stations
Nearby Monitoring Stations
AQI Forecast
34
6am
34
34
27
9am
22
30
31
12pm
32
53
53
3pm
53
66
66
6pm
66
54
54
9pm
54
34
34
12am
34
34
34
3am
34
34
Air Quality Index Trend
47h · 58 stnHayama'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 Hayama is 1.3× the WHO annual guideline of 5 µg/m³.
80.7%
Humidity
181.3 km/h
Wind S
1001.7 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.51 µg/m³
PM10
27.45 µg/m³
050100150200300500
What is the weather forecast for Hayama?
Temperature & Precipitation
PM2.5 Trend
47h · 58 stationsPM2.56.51 µg/m³
✓ WHO
Good
PM1027.45 µg/m³
Good
UV INDEX17.4
Extreme
Station readings (18 stations within 25 km)
6.51
Median
6.64
Average
1.0
Low
12.0
High
PM2.5 µg/m³ · Model: 10.85 · Bias: +4.3
What is the 7-day forecast for Hayama?
05-29
21.1° 19.3°
1.56 mm
05-30
20.7° 18.1°
4.13 mm
05-31
21.4° 19.8°
0.44 mm
06-01
22.5° 20.1°
06-02
23.2° 19.2°
06-03
22.1° 21.1°
0.62 mm
06-04
21.3° 19.2°
Both models agree
Avg diff: 2.5°C
Where are air quality stations near Hayama?
17
横須賀市池上コミュニティセンター
46
Natsushimacho, Yokosuka, Kanagawa, Japan (追浜行政センター横須賀市)
34
Nagasaka, Yokosuka, Kanagawa, Japan (西行政センター横須賀市)
38
Nagasaka, Yokosuka, Kanagawa, Japan (西行政センター横須賀市)
17
Ogawacho, Yokosuka, Kanagawa, Japan (小川町交差点横須賀市)
26
Yokosuka (横須賀)
53
Inoyamacho, Kanagawa, Japan (栄区上郷小学校横浜市栄区)
42
Okamoto, Kamakura-shi, Kanagawa-ken, Japan (鎌倉市岡本鎌倉市)
46
Tomiokahigashi, Kanagawa, Japan (金沢区長浜横浜市金沢区)
4
港南区野庭町
What cities are near Hayama?
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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 2026-05-29T00:12 UTC.