Air Quality in Oyama, Japan

Drizzle
22.3°C · 90.2% humidity
22.3°
Feels 22.3°
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
8 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
22 4pm
22
22
22 7pm
22
22
22 10pm
22
22
22 1am
22
21
21 4am
21
22
22 7am
22
22
24 10am
24
31
31 1pm
31
51
Station readings 10h ago
AQI 16
PM2.5 3.8 µg/m³ · 10h ago
CAMS model adj -3
25
25
25
25
25
25
25
25
25
25
25
24
24
24
25
25
25
25
27
27
34
34
34
54
AD 728×90

Air Quality Index Trend

3h · 2 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.

90.2%
Humidity
33.5 km/h
Wind NNE
1010.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
22
5.22 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Oyama?

Temperature & Precipitation

PM2.5 Trend

3h · 2 stations
PM2.55.22 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (8 stations within 25 km)
5.22
Median
5.4
Average
2.2
Low
11.0
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +0.7

What is the 7-day forecast for Oyama?

09-05
28.0° 20.3°
14.94 mm
09-06
29.2° 22.1°
3.88 mm
09-07
31.2° 22.5°
0.06 mm
09-08
28.7° 21.9°
6.5 mm
09-09
27.6° 21.9°
4.69 mm
09-10
28.3° 22.9°
6.44 mm
09-11
32.2° 22.8°
4.94 mm
Both models agree Avg diff: 3.4°C

Where are air quality stations near Oyama?

17
Marubayashi, Tochigi, Japan (野木町役場下都賀郡野木町)
9.3 km PM2.5: 4.1 µg/m³
21
Marubayashi, Tochigi, Japan (野木町役場下都賀郡野木町)
9.3 km PM2.5: 5.0 µg/m³
34
Irifunecho, Tochigi, Tochigi, Japan (栃木市役所栃木市)
11.0 km PM2.5: 8.2 µg/m³
15
Tanaka, Shimono, Tochigi, Japan (下野市南河内庁舎下野市)
11.7 km PM2.5: 3.6 µg/m³
17
Shimoono, Koga, Ibaraki, Japan (古河市役所古河市)
13.4 km PM2.5: 4.1 µg/m³
30
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
9
Shimotsumaotsu, Shimotsuma-shi, Ibaraki-ken, Japan (下妻下妻市)
19.3 km PM2.5: 2.2 µg/m³
50
Shimotsumaotsu, Shimotsuma-shi, Ibaraki-ken, Japan (下妻下妻市)
19.3 km PM2.5: 12.0 µg/m³
21
Horigomecho, Sano, Tochigi, Japan (県安蘇庁舎佐野市)
19.8 km PM2.5: 5.0 µg/m³
21
Suzumenomiya, Utsunomiya, Tochigi, Japan (雀宮中学校宇都宮市)
21.7 km PM2.5: 5.0 µg/m³

What cities are near Oyama?

21 Yūki 17 Nogi 34 Tochigi 25 Mibu 18 Shimotsuke 21 Fujioka 19 Koga 25 Yachiyo 23 Shimodate 23 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 2026-09-05T10:26 UTC.