Air Quality in Higashi-Matsuyama, Japan

Rain
23.0°C · 90.2% humidity
23.0°
Feels 23.0°
56
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
21 stations

Nearby Monitoring Stations

AQI Forecast
84 5am
84
83
56 8am
59
49
50 11am
51
52
53 2pm
53
53
66 5pm
66
66
66 8pm
66
83
84 11pm
84
146
146 2am
146
146
AD 728×90

Air Quality Index Trend

47h · 20 stn

Higashi-Matsuyama'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.

90.2%
Humidity
12.2 km/h
Wind NNW
1002.7 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
56
14.55 µg/m³
PM10
38
41.2 µg/m³
050100150200300500

What is the weather forecast for Higashi-Matsuyama?

Temperature & Precipitation

PM2.5 Trend

47h · 20 stations
PM2.514.55 µg/m³ ✓ WHO
Moderate
PM1041.2 µg/m³
Good
UV INDEX9.4
Very High
AD 300×250
Station readings (21 stations within 25 km)
14.55
Median
11.65
Average
1.2
Low
18.8
High
PM2.5 µg/m³ · Model: 19.2 · Bias: +4.7

What is the 7-day forecast for Higashi-Matsuyama?

07-21
32.4° 22.2°
14.13 mm
07-22
28.9° 23.0°
5.19 mm
07-23
27.1° 21.2°
0.56 mm
07-24
30.9° 25.1°
0.5 mm
07-25
36.3° 23.9°
0.31 mm
07-26
33.3° 24.5°
1.94 mm
07-27
33.9° 23.8°
17.56 mm
Both models agree Avg diff: 3.5°C

Where are air quality stations near Higashi-Matsuyama?

17
Goryocho, Higashimatsuyama, Saitama, Japan (東松山東松山市)
0.3 km PM2.5: 4.1 µg/m³
26
Goryocho, Higashimatsuyama, Saitama, Japan (東松山東松山市)
0.3 km PM2.5: 6.2 µg/m³
17
Matsuyama, Higashimatsuyama, Saitama Prefecture, Japan (東松山岩鼻自排東松山市)
2.1 km PM2.5: 4.1 µg/m³
11
Matsuyama, Higashimatsuyama, Saitama Prefecture, Japan (東松山岩鼻自排東松山市)
2.1 km PM2.5: 2.6 µg/m³
37
Ashiyamachō, Sakado-shi, Saitama-ken, Japan (坂戸坂戸市)
7.0 km PM2.5: 8.9 µg/m³
46
Ashiyamachō, Sakado-shi, Saitama-ken, Japan (坂戸坂戸市)
7.0 km PM2.5: 11.0 µg/m³
24
Kawajima, Saitama-ken, Japan (川島自排比企郡川島町)
7.1 km PM2.5: 5.8 µg/m³
49
Kawajima, Saitama-ken, Japan (川島自排比企郡川島町)
7.1 km PM2.5: 11.8 µg/m³
21
Ōtagaya, Tsurugashima-shi, Saitama-ken, Japan (鶴ヶ島自排鶴ヶ島市)
11.3 km PM2.5: 5.0 µg/m³
11
Iseharachō, Kawagoe-shi, Saitama-ken, Japan (川越市霞ケ関川越市)
12.3 km PM2.5: 2.6 µg/m³

What cities are near Higashi-Matsuyama?

52 Ōgushi 53 Yamata 55 Fukiage-fujimi 52 Tsurugashima 54 Igusa 45 Sakado 40 Ranzan 51 Kōnosu 42 Kitamoto 54 Kumagaya
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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 2026-07-21T23:18 UTC.