Air Quality in Ogawamachi, Japan

Drizzle
22.7°C · 88.3% humidity
22.7°
Feels 22.7°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
10 stations

Nearby Monitoring Stations

AQI Forecast
25 6pm
27
27
18 9pm
19
20
22 12am
23
23
24 3am
24
24
25 6am
25
25
25 9am
27
34
34 12pm
27
27
27 3pm
34
34
Station readings 17h ago
AQI 11
PM2.5 2.6 µg/m³ · 17h ago
CAMS model
25
27
27
27
25
25
25
25
25
25
25
25
25
25
25
25
27
34
34
27
27
27
34
34
AD 728×90

Air Quality Index Trend

3h · 1 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.

88.3%
Humidity
42.1 km/h
Wind E
1010.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
18
4.28 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Ogawamachi?

Temperature & Precipitation

PM2.5 Trend

3h · 1 station
PM2.54.28 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (10 stations within 25 km)
4.28
Median
5.03
Average
2.4
Low
8.2
High
PM2.5 µg/m³ · Model: 6.15 · Bias: +1.9

What is the 7-day forecast for Ogawamachi?

09-05
27.7° 21.1°
15.06 mm
09-06
30.5° 22.4°
5.87 mm
09-07
30.8° 23.0°
3.88 mm
09-08
29.5° 21.9°
11.38 mm
09-09
26.4° 22.5°
3.38 mm
09-10
26.6° 23.2°
3.38 mm
09-11
32.1° 22.2°
12.56 mm
Both models agree Avg diff: 3.4°C

Where are air quality stations near Ogawamachi?

20
Shiroishi, Saitama Prefecture, Japan (東秩父秩父郡東秩父村)
9.3 km PM2.5: 4.8 µg/m³
10
Shiroishi, Saitama Prefecture, Japan (東秩父秩父郡東秩父村)
9.3 km PM2.5: 2.4 µg/m³
17
Yorii, Saitama, Japan (寄居大里郡寄居町)
10.0 km PM2.5: 4.1 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
21
Goryocho, Higashimatsuyama, Saitama, Japan (東松山東松山市)
13.7 km PM2.5: 5.0 µg/m³
21
Koizuka, Kumagaya, Saitama, Japan (熊谷肥塚自排熊谷市)
16.5 km PM2.5: 5.0 µg/m³
25
Koizuka, Kumagaya, Saitama, Japan (熊谷肥塚自排熊谷市)
16.5 km PM2.5: 6.0 µg/m³
11
Ōtagaya, Tsurugashima-shi, Saitama-ken, Japan (鶴ヶ島自排鶴ヶ島市)
18.0 km PM2.5: 2.6 µg/m³
34
Hinodamachi, Chichibu, Saitama, Japan (秩父秩父市)
18.2 km PM2.5: 8.2 µg/m³
21
Nakakayama, Hidaka, Saitama, Japan (日高日高市)
19.1 km PM2.5: 5.0 µg/m³

What cities are near Ogawamachi?

19 Ranzan 17 Yorii 19 Yamata 20 Morohongō 21 Higashi-Matsuyama 21 Kumagaya 15 Sakado 15 Tsurugashima 21 Fukayachō 23 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 2026-09-05T12:12 UTC.