Air Quality in Ōyanomachi-noboritate, Japan

Drizzle
28.5°C · 84.9% humidity
28.5°
Feels 35.4°
57
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
6 stations

Nearby Monitoring Stations

AQI Forecast
54 9am
34
34
57 12pm
54
54
54 3pm
54
54
54 6pm
54
54
54 9pm
27
27
27 12am
27
27
27 3am
27
27
27 6am
25
25
AD 728×90

Air Quality Index Trend

45h · 26 stn

Ōyanomachi-noboritate'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 Ōyanomachi-noboritate is 1.0× the WHO 24-hour guideline of 15 µg/m³.

84.9%
Humidity
114.4 km/h
Wind SSW
988.7 hPa
Pressure
29.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
57
15.06 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Ōyanomachi-noboritate?

Temperature & Precipitation

PM2.5 Trend

45h · 26 stations
PM2.515.06 µg/m³ ✓ WHO
Moderate
PM1027.4 µg/m³
Good
UV INDEX29.9
Extreme
AD 300×250
Station readings (6 stations within 25 km)
15.06
Median
13.68
Average
11.0
Low
20.2
High
PM2.5 µg/m³ · Model: 13.5 · Bias: -1.6

What is the 7-day forecast for Ōyanomachi-noboritate?

07-22
28.5° 27.3°
1.63 mm
07-23
28.8° 23.8°
2.44 mm
07-24
29.0° 26.0°
4.81 mm
07-25
28.6° 26.4°
07-26
31.9° 25.8°
1.25 mm
07-27
28.3° 26.3°
0.06 mm
07-28
30.5° 26.7°
0.81 mm
Both models agree Avg diff: 1.5°C

Where are air quality stations near Ōyanomachi-noboritate?

13
Matsushimamachi Aitsu, Kamiamakusa, Kumamoto, Japan (上天草市合津上天草市松島町)
8.9 km PM2.5: 3.1 µg/m³
23
Matsushimamachi Kyoragi, Kamiamakusa, Kumamoto, Japan (五和手野天草市)
15.6 km PM2.5: 5.5 µg/m³
14
Yatsushiro (八代市)
18.6 km PM2.5: 3.4 µg/m³
91
Yatsushiro (八代市)
18.6 km PM2.5: 31.1 µg/m³
91
Yatsushiro (八代市)
18.6 km PM2.5: 31.1 µg/m³
17
Koga Kamimachi, Yatsushiro, Kumamoto, Japan (八代八千把出張所八代市)
18.9 km PM2.5: 4.1 µg/m³
10
Miyajimachi, Yatsushiro, Kumamoto, Japan (八代自排局八代市)
22.0 km PM2.5: 2.4 µg/m³
30
Shindenmachi, Shimabara, Nagasaki, Japan (島原大気測定局島原市)
22.1 km PM2.5: 7.2 µg/m³
95
Asahimachi, Uto, Kumamoto, Japan (宇土運動公園宇土市)
23.9 km PM2.5: 33.0 µg/m³
82
Asahimachi, Uto, Kumamoto, Japan (宇土運動公園宇土市)
23.9 km PM2.5: 26.8 µg/m³

What cities are near Ōyanomachi-noboritate?

48 Minamishimabara 46 Honmachi 46 Uki 50 Shimabara 46 Matsubase 50 Uto 51 Unzen 3 Amakusa 6 Hondomachi-hondo 60 Sashiki
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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 2026-07-22T03:25 UTC.