Air Quality in Ōyanomachi-noboritate, Japan

Cloudy
20.7°C · 85.9% humidity
20.7°
Feels 20.7°
48
Good
Air quality is satisfactory. Enjoy outdoor activities.
6 stations

Nearby Monitoring Stations

AQI Forecast
66 8pm
66
66
48 11pm
53
57
59 2am
61
63
64 5am
64
65
53 8am
53
54
54 11am
54
54
54 2pm
54
54
54 5pm
54
34
AD 728×90

Air Quality Index Trend

47h · 24 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 2.3× the WHO annual guideline of 5 µg/m³.

85.9%
Humidity
22.6 km/h
Wind SW
1008.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
48
11.54 µg/m³
PM10▲
51
54.9 µg/m³
050100150200300500

What is the weather forecast for Ōyanomachi-noboritate?

Temperature & Precipitation

PM2.5 Trend

47h · 24 stations
PM2.511.54 µg/m³ ✓ WHO
Good
PM1054.9 µg/m³
Moderate
UV INDEX0.7
Low
AD 300×250
Station readings (6 stations within 25 km)
11.54
Median
12.92
Average
9.1
Low
21.1
High
PM2.5 µg/m³ · Model: 23.15 · Bias: +11.6

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

05-29
21.4° 20.6°
9.88 mm
05-30
21.5° 19.6°
0.06 mm
05-31
23.8° 19.7°
06-01
24.4° 19.7°
1.94 mm
06-02
24.2° 21.4°
0.06 mm
06-03
23.2° 18.9°
20.13 mm
06-04
23.6° 20.8°
53.5 mm
Both models agree Avg diff: 2.8°C

Where are air quality stations near Ōyanomachi-noboritate?

57
Matsushimamachi Aitsu, Kamiamakusa, Kumamoto, Japan (上天草市合津上天草市松島町)
8.9 km PM2.5: 15.0 µg/m³
45
Matsushimamachi Kyoragi, Kamiamakusa, Kumamoto, Japan (五和手野天草市)
15.6 km PM2.5: 10.8 µg/m³
38
Yatsushiro (八代市)
18.6 km PM2.5: 9.1 µg/m³
34
Yatsushiro (八代市)
18.6 km PM2.5: 8.2 µg/m³
44
Yatsushiro (八代市)
18.6 km PM2.5: 10.6 µg/m³
76
Koga Kamimachi, Yatsushiro, Kumamoto, Japan (八代八千把出張所八代市)
18.9 km PM2.5: 24.0 µg/m³
65
Miyajimachi, Yatsushiro, Kumamoto, Japan (八代自排局八代市)
22.0 km PM2.5: 18.8 µg/m³
17
Shindenmachi, Shimabara, Nagasaki, Japan (島原大気測定局島原市)
22.1 km PM2.5: 4.1 µg/m³
21
Asahimachi, Uto, Kumamoto, Japan (宇土運動公園宇土市)
23.9 km PM2.5: 5.0 µg/m³
53
Asahimachi, Uto, Kumamoto, Japan (宇土運動公園宇土市)
23.9 km PM2.5: 13.1 µg/m³

What cities are near Ōyanomachi-noboritate?

40 Minamishimabara 59 Honmachi 52 Uki 40 Shimabara 48 Matsubase 44 Uto 42 Unzen 14 Amakusa 18 Hondomachi-hondo 51 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 2026-05-29T14:31 UTC.