Air Quality in Hayama, Japan

Rain
24.0°C · 85.9% humidity
24.0°
Feels 24.0°
62
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
16 stations

Nearby Monitoring Stations

AQI Forecast
83 6am
83
83
62 9am
130
150
138 12pm
140
142
80 3pm
64
64
65 6pm
65
65
83 9pm
54
54
54 12am
54
54
54 3am
54
54
AD 728×90

Air Quality Index Trend

47h · 16 stn

Hayama'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 1.2× the WHO 24-hour guideline of 15 µg/m³.

85.9%
Humidity
77.8 km/h
Wind NNE
1002.3 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
62
17.27 µg/m³
PM10▲
76
104.9 µg/m³
050100150200300500

What is the weather forecast for Hayama?

Temperature & Precipitation

PM2.5 Trend

47h · 16 stations
PM2.517.27 µg/m³ ×1.2 WHO
Moderate
PM10104.9 µg/m³
Moderate
UV INDEX14.9
Extreme
AD 300×250
Station readings (16 stations within 25 km)
17.27
Median
17.02
Average
3.8
Low
27.0
High
PM2.5 µg/m³ · Model: 27.55 · Bias: +10.3

What is the 7-day forecast for Hayama?

07-22
27.2° 24.0°
3.0 mm
07-23
25.5° 22.8°
3.25 mm
07-24
26.1° 23.1°
1.5 mm
07-25
26.4° 23.1°
07-26
27.9° 23.7°
0.62 mm
07-27
28.3° 24.5°
6.81 mm
07-28
26.8° 25.5°
1.94 mm
Both models agree Avg diff: 1.9°C

Where are air quality stations near Hayama?

66
横須賀市池上ｺﾐｭﾆﾃｨｾﾝﾀｰ
6.3 km PM2.5: 19.0 µg/m³ PM10: 30.0 µg/m³
30
Natsushimacho, Yokosuka, Kanagawa, Japan (追浜行政センター横須賀市)
6.7 km PM2.5: 7.2 µg/m³
44
Nagasaka, Yokosuka, Kanagawa, Japan (西行政センター横須賀市)
8.0 km PM2.5: 10.6 µg/m³
28
Nagasaka, Yokosuka, Kanagawa, Japan (西行政センター横須賀市)
8.0 km PM2.5: 6.7 µg/m³
53
Ogawacho, Yokosuka, Kanagawa, Japan (小川町交差点横須賀市)
8.5 km PM2.5: 13.1 µg/m³
57
Yokosuka (横須賀)
8.6 km PM2.5: 15.0 µg/m³
33
Inoyamacho, Kanagawa, Japan (栄区上郷小学校横浜市栄区)
9.1 km PM2.5: 7.9 µg/m³
56
Okamoto, Kamakura-shi, Kanagawa-ken, Japan (鎌倉市岡本鎌倉市)
9.6 km PM2.5: 14.5 µg/m³
76
Tomiokahigashi, Kanagawa, Japan (金沢区長浜横浜市金沢区)
10.8 km PM2.5: 24.0 µg/m³
72
港南区野庭町
12.5 km PM2.5: 22.0 µg/m³ PM10: 47.0 µg/m³

What cities are near Hayama?

62 Zushi 60 Kamakura 65 Yokosuka 61 Sugita 46 Fujisawa 64 Kurihama 64 Isogo 55 Miura 61 Chigasaki 61 Yokohama
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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 2026-07-22T00:21 UTC.