Air Quality in Kumagaya, Japan

Partly Cloudy
22.5°C · 59.4% humidity
22.5°
Feels 22.5°
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
12 stations

Nearby Monitoring Stations

AQI Forecast
27 5am
25
25
15 8am
18
20
21 11am
22
23
24 2pm
26
33
34 5pm
54
54
54 8pm
66
66
83 11pm
83
66
66 2am
66
54
AD 728×90

Air Quality Index Trend

47h · 34 stn

Kumagaya'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.

59.4%
Humidity
0.9 km/h
Wind NW
1015.2 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
15
3.53 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Kumagaya?

Temperature & Precipitation

PM2.5 Trend

47h · 34 stations
PM2.53.53 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (12 stations within 25 km)
3.53
Median
4.09
Average
1.4
Low
9.1
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +2.7

What is the 7-day forecast for Kumagaya?

06-08
29.7° 19.0°
14.63 mm
06-09
25.3° 22.5°
06-10
29.1° 19.1°
27.56 mm
06-11
28.2° 19.2°
1.25 mm
06-12
25.8° 20.0°
0.62 mm
06-13
34.5° 22.5°
06-14
31.7° 18.4°
10.81 mm
Both models agree Avg diff: 3.5°C

Where are air quality stations near Kumagaya?

12
Nagano, Gyōda-shi, Saitama-ken, Japan (行田行田市)
7.1 km PM2.5: 2.9 µg/m³
44
Nagano, Gyōda-shi, Saitama-ken, Japan (行田行田市)
7.1 km PM2.5: 10.6 µg/m³
21
Matsuyama, Higashimatsuyama, Saitama Prefecture, Japan (東松山岩鼻自排東松山市)
9.5 km PM2.5: 5.0 µg/m³
31
Matsuyama, Higashimatsuyama, Saitama Prefecture, Japan (東松山岩鼻自排東松山市)
9.5 km PM2.5: 7.4 µg/m³
25
Menumahigashi, Kumagaya-shi, Saitama-ken, Japan (熊谷妻沼東熊谷市)
9.8 km PM2.5: 6.0 µg/m³
51
Menumahigashi, Kumagaya-shi, Saitama-ken, Japan (熊谷妻沼東熊谷市)
9.8 km PM2.5: 12.1 µg/m³
29
Haragō, Fukaya-shi, Saitama-ken, Japan (深谷原郷自排深谷市)
11.2 km PM2.5: 7.0 µg/m³
8
Goryocho, Higashimatsuyama, Saitama, Japan (東松山東松山市)
11.8 km PM2.5: 1.9 µg/m³
21
Goryocho, Higashimatsuyama, Saitama, Japan (東松山東松山市)
11.8 km PM2.5: 5.0 µg/m³
8
Ōtsuka, Saitama-ken, Japan (小川比企郡小川町)
14.3 km PM2.5: 1.9 µg/m³

What cities are near Kumagaya?

13 Yamata 17 Gyōda 15 Fukiage-fujimi 15 Menuma 15 Ranzan 8 Higashi-Matsuyama 17 Ōwa 10 Fukayachō 17 Hanyū 15 Kōnosu
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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 2026-06-08T23:25 UTC.