Air Quality in Hayama, Japan

Windy
21.1°C · 79.6% humidity
21.1°
Feels 21.1°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
17 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
76 12pm
77
77
23 3pm
38
49
57 6pm
63
67
70 9pm
54
55
44 12am
45
46
58 3am
58
58
59 6am
59
47
47 9am
47
47
Station readings 32h ago
AQI 27
PM2.5 6.5 µg/m³ · 32h ago
AD 728×90

Air Quality Index Trend

48h · 1 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.

79.6%
Humidity
67.8 km/h
Wind S
1015.2 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
23
5.64 µg/m³
PM10
53
59.3 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.55.64 µg/m³ ✓ WHO
Good
PM1059.3 µg/m³
Moderate
UV INDEX5.9
High
AD 300×250
5.64
Median
5.56
Average
2.6
Low
10.0
High
PM2.5 µg/m³ · Model: 17.0 · Bias: +11.4
06-09
21.7° 20.5°
06-10
23.1° 20.8°
0.31 mm
06-11
23.0° 20.1°
1.13 mm
06-12
21.8° 20.4°
1.5 mm
06-13
22.6° 20.9°
16.31 mm
06-14
23.5° 19.1°
43.88 mm
06-15
23.4° 20.5°
63.94 mm
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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 2026-06-09T06:37 UTC.