Air Quality in Oyama, Japan

Cloudy
25.1°C · 77.9% humidity
25.1°
Feels 25.1°
16
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
0 6am
0
0
16 9am
17
32
29 12pm
27
25
24 3pm
23
23
22 6pm
22
2
1 9pm
0
0
0 12am
0
0
0 3am
1
1
Station readings 16h ago
AQI 21
PM2.5 5.0 µg/m³ · 16h ago
CAMS model adj -33
27
27
27
27
34
54
54
54
54
54
54
54
54
54
34
34
27
27
27
27
27
27
34
34
AD 728×90

Air Quality Index Trend

44h · 41 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.

77.9%
Humidity
20.3 km/h
Wind ESE
1009.6 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
16
3.77 µg/m³
PM10▲
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Oyama?

Temperature & Precipitation

PM2.5 Trend

44h · 41 stations
PM2.53.77 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (2 stations within 25 km)
3.77
Median
3.6
Average
3.1
Low
4.1
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +3.6

What is the 7-day forecast for Oyama?

08-03
27.3° 21.8°
11.81 mm
08-04
35.9° 24.6°
4.69 mm
08-05
31.9° 24.7°
5.94 mm
08-06
30.5° 25.5°
18.94 mm
08-07
37.7° 24.6°
5.19 mm
08-08
32.4° 26.5°
50.25 mm
08-09
34.0° 22.2°
0.44 mm
Both models agree Avg diff: 3.0°C

Where are air quality stations near Oyama?

21
Irifunecho, Tochigi, Tochigi, Japan (栃木市役所栃木市)
11.0 km PM2.5: 5.0 µg/m³
61
Irifunecho, Tochigi, Tochigi, Japan (栃木市役所栃木市)
11.0 km PM2.5: 16.9 µg/m³
36
Tanaka, Shimono, Tochigi, Japan (下野市南河内庁舎下野市)
11.7 km PM2.5: 8.6 µg/m³
17
Shimoono, Koga, Ibaraki, Japan (古河市役所古河市)
13.4 km PM2.5: 4.1 µg/m³
25
Suzumenomiya, Utsunomiya, Tochigi, Japan (雀宮中学校宇都宮市)
21.7 km PM2.5: 6.0 µg/m³
30
Nakamachi, Tatebayashi, Gunma, Japan (館林市民センター館林市)
24.7 km PM2.5: 7.2 µg/m³
30
Aramachi, Moka, Tochigi, Japan (真岡市役所真岡市)
24.7 km PM2.5: 7.2 µg/m³
21
Satte, Satte, Saitama, Japan (幸手幸手市)
25.7 km PM2.5: 5.0 µg/m³
21
Satte, Satte, Saitama, Japan (幸手幸手市)
25.7 km PM2.5: 5.0 µg/m³
10
Shimokuwajimamachi, Utsunomiya, Tochigi, Japan (瑞穂野北小学校宇都宮市)
26.4 km PM2.5: 2.4 µg/m³

What cities are near Oyama?

20 Yūki 20 Nogi 34 Tochigi 43 Mibu 44 Shimotsuke 32 Fujioka 19 Koga 14 Yachiyo 20 Shimodate 23 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 2026-08-08T00:56 UTC.