Air Quality in Ōbu, Japan

Drizzle
21.8°C · 67.2% humidity
21.8°
Feels 21.8°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
25 stations

Nearby Monitoring Stations

AQI Forecast
25 3am
25
25
23 6am
27
27
27 9am
54
66
66 12pm
83
66
66 3pm
54
54
54 6pm
34
34
34 9pm
34
34
34 12am
27
27
AD 728×90

Air Quality Index Trend

47h · 35 stn

Ōbu'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 Ōbu is 1.1× the WHO annual guideline of 5 µg/m³.

67.2%
Humidity
90.9 km/h
Wind S
1000.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
23
5.58 µg/m³
PM10▲
25
27.45 µg/m³
050100150200300500

What is the weather forecast for Ōbu?

Temperature & Precipitation

PM2.5 Trend

47h · 35 stations
PM2.55.58 µg/m³ ✓ WHO
Good
PM1027.45 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (25 stations within 25 km)
5.58
Median
4.55
Average
1.0
Low
12.0
High
PM2.5 µg/m³ · Model: 12.6 · Bias: +7.0

What is the 7-day forecast for Ōbu?

05-28
25.3° 16.8°
16.19 mm
05-29
25.7° 19.2°
12.81 mm
05-30
24.5° 18.2°
5.44 mm
05-31
25.8° 20.2°
06-01
28.2° 20.7°
0.06 mm
06-02
24.9° 20.8°
1.25 mm
06-03
27.3° 20.4°
4.5 mm
Both models agree Avg diff: 2.6°C

Where are air quality stations near Ōbu?

35
Momoyamacho, Obu, Aichi, Japan (大府小学校大府市)
1.9 km PM2.5: 8.4 µg/m³
46
Nawamachi, Tokai, Aichi, Japan (東海市名和町東海市)
4.0 km PM2.5: 11.0 µg/m³
27
Takayokosukamachi, Tokai, Aichi, Japan (東海市横須賀小学校東海市)
5.3 km PM2.5: 6.5 µg/m³
44
Odakacho, Aichi, Japan (大高北小学校名古屋市緑区)
5.5 km PM2.5: 10.6 µg/m³
10
Kotobukicho, Kariya, Aichi, Japan (刈谷市寿町刈谷市)
5.7 km PM2.5: 2.4 µg/m³
43
Kotobukicho, Kariya, Aichi, Japan (刈谷市寿町刈谷市)
5.7 km PM2.5: 10.3 µg/m³
55
Motoshiocho, Aichi, Japan (元塩公園名古屋市南区)
7.3 km PM2.5: 14.0 µg/m³
30
Motoshiocho, Aichi, Japan (元塩公園名古屋市南区)
7.3 km PM2.5: 7.2 µg/m³
11
Aokicho, Takahama, Aichi, Japan (高浜小学校高浜市)
11.4 km PM2.5: 2.6 µg/m³
25
Tenpaku-ku, Nagoya-shi, Aichi-ken, Japan (天白保健センター名古屋市天白区)
11.6 km PM2.5: 6.0 µg/m³

What cities are near Ōbu?

31 Tōkai 21 Kariya 20 Toyoake 23 Ogawa 15 Chiryū 31 Chita 20 Agui 36 Takahama 10 Anjō 23 Morowa
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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 2026-05-28T21:35 UTC.