Air Quality in Oyama, Japan

Windy
23.3°C · 63.9% humidity
23.3°
Feels 23.3°
32
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast
54 4am
54
54
32 7am
38
23
19 10am
28
30
51 1pm
52
52
53 4pm
53
53
34 7pm
34
34
54 10pm
54
34
34 1am
27
27
AD 728×90

Air Quality Index Trend

47h · 35 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 1.5× the WHO annual guideline of 5 µg/m³.

63.9%
Humidity
116.3 km/h
Wind S
997.3 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
32
7.73 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Oyama?

Temperature & Precipitation

PM2.5 Trend

47h · 35 stations
PM2.57.73 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (5 stations within 25 km)
7.73
Median
7.92
Average
6.7
Low
8.9
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +5.8

What is the 7-day forecast for Oyama?

05-28
32.0° 16.6°
05-29
25.8° 20.3°
0.38 mm
05-30
26.3° 19.2°
2.25 mm
05-31
28.6° 20.9°
0.13 mm
06-01
28.4° 21.3°
06-02
27.3° 20.6°
06-03
29.9° 24.1°
0.31 mm
Both models agree Avg diff: 3.2°C

Where are air quality stations near Oyama?

30
Irifunecho, Tochigi, Tochigi, Japan (栃木市役所栃木市)
11.0 km PM2.5: 7.2 µg/m³
11
Hirayanagimachi, Tochigi, Tochigi, Japan (栃木市平柳町交差点栃木市)
11.4 km PM2.5: 2.6 µg/m³
21
Shimoono, Koga, Ibaraki, Japan (古河市役所古河市)
13.4 km PM2.5: 5.0 µg/m³
34
Shirasagi, Tochigi, Japan (上三川町役場河内郡上三川町)
18.4 km PM2.5: 8.2 µg/m³
17
Shimotsumaotsu, Shimotsuma-shi, Ibaraki-ken, Japan (下妻下妻市)
19.3 km PM2.5: 4.1 µg/m³
64
Shimotsumaotsu, Shimotsuma-shi, Ibaraki-ken, Japan (下妻下妻市)
19.3 km PM2.5: 18.3 µg/m³
23
Suzumenomiya, Utsunomiya, Tochigi, Japan (雀宮中学校宇都宮市)
21.7 km PM2.5: 5.5 µg/m³
21
Nakamachi, Tatebayashi, Gunma, Japan (館林市民センター館林市)
24.7 km PM2.5: 5.0 µg/m³
53
Aramachi, Moka, Tochigi, Japan (真岡市役所真岡市)
24.7 km PM2.5: 13.1 µg/m³
39
Fujiishimogumi, Hanyū-shi, Saitama-ken, Japan (羽生羽生市)
25.8 km PM2.5: 9.4 µg/m³

What cities are near Oyama?

34 Yūki 32 Nogi 28 Tochigi 32 Mibu 35 Shimotsuke 30 Fujioka 34 Koga 35 Yachiyo 36 Shimodate 36 Chikusei
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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 2026-05-28T22:51 UTC.