Air Quality in Oyama, Japan

Overcast
19.9°C · 92.1% humidity
19.9°
Feels 19.9°
53
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
11 11am
11
18
53 2pm
43
36
31 5pm
27
25
23 8pm
21
20
20 11pm
19
12
12 2am
11
11
11 5am
11
11
18 8am
18
18
CAMS model adj -16
27
27
34
34
34
34
34
34
34
34
34
34
34
34
27
27
27
27
27
27
27
34
34
34
AD 728×90

Air Quality Index Trend

45h · 27 stn

Oyama'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.

92.1%
Humidity
18.2 km/h
Wind NNE
1010.8 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
53
13.12 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

45h · 27 stations
PM2.513.12 µg/m³ ✓ WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
13.12
Median
13.55
Average
6.0
Low
21.1
High
PM2.5 µg/m³ · Model: 6.0 · Bias: -7.1
08-03
24.1° 19.5°
6.69 mm
08-04
27.7° 19.8°
0.75 mm
08-05
24.9° 21.2°
24.44 mm
08-06
25.8° 20.7°
53.88 mm
08-07
28.1° 20.2°
41.56 mm
08-08
29.1° 20.5°
54.5 mm
08-09
27.5° 18.2°
6.25 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 2026-08-08T05:46 UTC.