Air Quality in Ogawamachi, Japan

Drizzle
22.3°C · 85.3% humidity
22.3°
Feels 22.3°
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast
54 8pm
34
25
24 11pm
25
25
27 2am
27
27
27 5am
27
27
27 8am
27
27
27 11am
27
27
27 2pm
34
34
54 5pm
54
54
AD 728×90

Air Quality Index Trend

48h · 2 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. Current PM2.5 concentration in Ogawamachi is 1.2× the WHO annual guideline of 5 µg/m³.

85.3%
Humidity
19.6 km/h
Wind W
1003.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
24
5.84 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Ogawamachi?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.55.84 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (7 stations within 25 km)
5.84
Median
8.49
Average
1.9
Low
13.5
High
PM2.5 µg/m³ · Model: 9.75 · Bias: +3.9

What is the 7-day forecast for Ogawamachi?

05-29
25.8° 20.2°
2.5 mm
05-30
25.6° 17.5°
1.19 mm
05-31
27.7° 20.4°
0.13 mm
06-01
28.9° 21.0°
06-02
28.1° 19.8°
06-03
29.6° 23.0°
0.25 mm
06-04
28.6° 16.4°
5.38 mm
Both models agree Avg diff: 3.7°C

Where are air quality stations near Ogawamachi?

15
Ōtsuka, Saitama-ken, Japan (小川比企郡小川町)
0.8 km PM2.5: 3.6 µg/m³
34
Ōtsuka, Saitama-ken, Japan (小川比企郡小川町)
0.8 km PM2.5: 8.2 µg/m³
50
Shiroishi, Saitama Prefecture, Japan (東秩父秩父郡東秩父村)
9.3 km PM2.5: 12.0 µg/m³
53
Iwai, Saitama Prefecture, Japan (毛呂山入間郡毛呂山町)
12.2 km PM2.5: 13.1 µg/m³
58
Iwai, Saitama Prefecture, Japan (毛呂山入間郡毛呂山町)
12.2 km PM2.5: 15.4 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
16
Matsuyama, Higashimatsuyama, Saitama Prefecture, Japan (東松山岩鼻自排東松山市)
12.9 km PM2.5: 3.8 µg/m³
9
Goryocho, Higashimatsuyama, Saitama, Japan (東松山東松山市)
13.7 km PM2.5: 2.2 µg/m³
3
Goryocho, Higashimatsuyama, Saitama, Japan (東松山東松山市)
13.7 km PM2.5: 0.7 µg/m³
30
Ashiyamachō, Sakado-shi, Saitama-ken, Japan (坂戸坂戸市)
15.1 km PM2.5: 7.2 µg/m³

What cities are near Ogawamachi?

26 Ranzan 38 Yorii 25 Yamata 30 Morohongō 8 Higashi-Matsuyama 37 Kumagaya 26 Sakado 26 Tsurugashima 53 Fukayachō 28 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 2026-05-29T14:38 UTC.