What is the air quality in Oyama today?

The current Air Quality Index (AQI) in Oyama is 52 (Moderate). PM2.5 concentration is 12.48 µg/m³.

What is the temperature in Oyama right now?

The current temperature in Oyama is 15.6°C (feels like 15.6°C). Humidity is 70.6% and wind speed is 24.9 km/h.

Air Quality in Oyama, Japan

Drizzle

15.6°C · 70.6% humidity

15.6°

Feels 15.6°

Moderate

Unusually sensitive people should consider reducing prolonged outdoor exertion.

3 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings 47h ago

AQI 49

PM2.5 11.8 µg/m³ · 47h ago

Air Quality Index Trend

45h · 30 stn

View full history →

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.

70.6%

Humidity

24.9 km/h

Wind NE

1021.7 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

12.48 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Oyama?

Temperature & Precipitation

PM2.5 Trend

45h · 30 stations

PM2.512.48 µg/m³ ✓ WHO

Moderate

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (3 stations within 25 km)

12.48

Median

13.37

Average

10.1

Low

16.9

High

PM2.5 µg/m³ · Model: 6.5 · Bias: -6.0

What is the 7-day forecast for Oyama?

10-21

21.3° 15.6°

0.56 mm

10-22

23.2° 16.7°

0.44 mm

10-23

21.6° 14.5°

10-24

21.2° 17.0°

0.13 mm

10-25

19.5° 13.4°

3.94 mm

10-26

21.5° 13.2°

10-27

18.3° 15.1°

0.5 mm

Both models agree Avg diff: 3.0°C

Where are air quality stations near Oyama?

Hirayanagimachi, Tochigi, Tochigi, Japan (栃木市平柳町交差点栃木市)

11.4 km PM2.5: 7.2 µg/m³

Tanaka, Shimono, Tochigi, Japan (下野市南河内庁舎下野市)

11.7 km PM2.5: 0.7 µg/m³

Tanaka, Shimono, Tochigi, Japan (下野市南河内庁舎下野市)

11.7 km PM2.5: 4.6 µg/m³

Tanaka, Shimono, Tochigi, Japan (下野市南河内庁舎下野市)

11.7 km PM2.5: 7.2 µg/m³

Shimoono, Koga, Ibaraki, Japan (古河市役所古河市)

13.4 km PM2.5: 9.1 µg/m³

Fujiokamachiko, Tochigi, Tochigi, Japan (栃木市藤岡総合文化センター栃木市)

14.9 km PM2.5: 7.2 µg/m³

Shimotsumaotsu, Shimotsuma-shi, Ibaraki-ken, Japan (下妻下妻市)

19.3 km PM2.5: 16.9 µg/m³

Suzumenomiya, Utsunomiya, Tochigi, Japan (雀宮中学校宇都宮市)

21.7 km PM2.5: 13.1 µg/m³

Satte, Satte, Saitama, Japan (幸手幸手市)

25.7 km PM2.5: 10.1 µg/m³

Shimokuwajimamachi, Utsunomiya, Tochigi, Japan (瑞穂野北小学校宇都宮市)

26.4 km PM2.5: 7.7 µg/m³

What cities are near Oyama?

53 Yūki 44 Nogi 46 Tochigi 49 Mibu 48 Shimotsuke 47 Fujioka 43 Koga 56 Yachiyo 51 Shimodate 50 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 2026-10-21T05:27 UTC.