Air Quality in Ogawamachi, Japan

Drizzle
23.3°C · 87.8% humidity
23.3°
Feels 23.3°
55
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
12 stations

Nearby Monitoring Stations

AQI Forecast
27 6am
27
27
55 9am
47
41
37 12pm
34
39
38 3pm
37
56
55 6pm
35
55
55 9pm
54
54
54 12am
54
54
54 3am
54
34
AD 728×90

Air Quality Index Trend

47h · 6 stn

Ogawamachi'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.

87.8%
Humidity
10.1 km/h
Wind W
1002.7 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
55
13.96 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Ogawamachi?

Temperature & Precipitation

PM2.5 Trend

47h · 6 stations
PM2.513.96 µg/m³ ✓ WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250
Station readings (12 stations within 25 km)
13.96
Median
12.83
Average
4.1
Low
22.1
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -4.0

What is the 7-day forecast for Ogawamachi?

07-22
29.9° 23.3°
2.0 mm
07-23
27.1° 20.9°
1.94 mm
07-24
30.4° 24.6°
0.94 mm
07-25
36.8° 24.1°
0.06 mm
07-26
33.0° 24.9°
0.19 mm
07-27
32.9° 23.9°
11.81 mm
07-28
31.2° 25.3°
6.06 mm
Both models agree Avg diff: 3.5°C

Where are air quality stations near Ogawamachi?

44
Ōtsuka, Saitama-ken, Japan (小川比企郡小川町)
0.8 km PM2.5: 10.6 µg/m³
53
Ōtsuka, Saitama-ken, Japan (小川比企郡小川町)
0.8 km PM2.5: 13.1 µg/m³
17
Shiroishi, Saitama Prefecture, Japan (東秩父秩父郡東秩父村)
9.3 km PM2.5: 4.1 µg/m³
51
Iwai, Saitama Prefecture, Japan (毛呂山入間郡毛呂山町)
12.2 km PM2.5: 12.1 µg/m³
30
Iwai, Saitama Prefecture, Japan (毛呂山入間郡毛呂山町)
12.2 km PM2.5: 7.2 µg/m³
62
Matsuyama, Higashimatsuyama, Saitama Prefecture, Japan (東松山岩鼻自排東松山市)
12.9 km PM2.5: 17.3 µg/m³
26
Matsuyama, Higashimatsuyama, Saitama Prefecture, Japan (東松山岩鼻自排東松山市)
12.9 km PM2.5: 6.2 µg/m³
28
Goryocho, Higashimatsuyama, Saitama, Japan (東松山東松山市)
13.7 km PM2.5: 6.7 µg/m³
26
Goryocho, Higashimatsuyama, Saitama, Japan (東松山東松山市)
13.7 km PM2.5: 6.2 µg/m³
37
Ashiyamachō, Sakado-shi, Saitama-ken, Japan (坂戸坂戸市)
15.1 km PM2.5: 8.9 µg/m³

What cities are near Ogawamachi?

53 Ranzan 59 Yorii 48 Yamata 56 Morohongō 53 Higashi-Matsuyama 55 Kumagaya 56 Sakado 56 Tsurugashima 18 Fukayachō 58 Fukiage-fujimi
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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 2026-07-22T00:24 UTC.