Air Quality in Oyama, Japan

Rain
22.2°C · 92.2% humidity
22.2°
Feels 22.2°
58
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
5 stations

Nearby Monitoring Stations

AQI Forecast
54 5am
54
54
58 8am
51
66
43 11am
40
39
37 2pm
36
36
35 5pm
35
28
27 8pm
27
54
54 11pm
66
66
66 2am
66
54
AD 728×90

Air Quality Index Trend

47h · 16 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. Current PM2.5 concentration in Oyama is 1.0× the WHO 24-hour guideline of 15 µg/m³.

92.2%
Humidity
58.8 km/h
Wind NNE
1002.5 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
58
15.42 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Oyama?

Temperature & Precipitation

PM2.5 Trend

47h · 16 stations
PM2.515.42 µg/m³ ✓ WHO
Moderate
PM1027.4 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (5 stations within 25 km)
15.42
Median
16.08
Average
8.2
Low
23.5
High
PM2.5 µg/m³ · Model: 16.35 · Bias: +0.9
Both models agree Avg diff: 3.5°C

Where are air quality stations near Oyama?

38
Irifunecho, Tochigi, Tochigi, Japan (栃木市役所栃木市)
11.0 km PM2.5: 9.1 µg/m³
26
Hirayanagimachi, Tochigi, Tochigi, Japan (栃木市平柳町交差点栃木市)
11.4 km PM2.5: 6.2 µg/m³
30
Shimoono, Koga, Ibaraki, Japan (古河市役所古河市)
13.4 km PM2.5: 7.2 µg/m³
26
Shirasagi, Tochigi, Japan (上三川町役場河内郡上三川町)
18.4 km PM2.5: 6.2 µg/m³
65
Shimotsumaotsu, Shimotsuma-shi, Ibaraki-ken, Japan (下妻下妻市)
19.3 km PM2.5: 18.8 µg/m³
76
Shimotsumaotsu, Shimotsuma-shi, Ibaraki-ken, Japan (下妻下妻市)
19.3 km PM2.5: 24.0 µg/m³
59
Suzumenomiya, Utsunomiya, Tochigi, Japan (雀宮中学校宇都宮市)
21.7 km PM2.5: 15.9 µg/m³
26
Nakamachi, Tatebayashi, Gunma, Japan (館林市民センター館林市)
24.7 km PM2.5: 6.2 µg/m³
30
Aramachi, Moka, Tochigi, Japan (真岡市役所真岡市)
24.7 km PM2.5: 7.2 µg/m³
74
Fujiishimogumi, Hanyū-shi, Saitama-ken, Japan (羽生羽生市)
25.8 km PM2.5: 23.0 µg/m³

What cities are near Oyama?

57 Yūki 36 Nogi 75 Tochigi 60 Mibu 53 Shimotsuke 52 Fujioka 60 Koga 57 Yachiyo 56 Shimodate 54 Chikusei
Get AQI alerts for Oyama

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T23:16 UTC.