Air Quality in Higashi-Matsuyama, Japan

Cloudy
25.6°C · 74.3% humidity
25.6°
Feels 25.6°
51
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
6 7am
6
6
51 10am
44
39
35 1pm
33
31
29 4pm
28
28
27 7pm
27
39
26 10pm
26
26
26 1am
26
26
26 4am
26
26
Station readings 8h ago
AQI 17
PM2.5 4.1 µg/m³ · 8h ago
CAMS model adj -28
34
34
34
54
54
54
54
54
54
54
54
54
54
54
66
54
54
54
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

5h · 1 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.

74.3%
Humidity
26.9 km/h
Wind E
1009.5 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
51
12.08 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Higashi-Matsuyama?

Temperature & Precipitation

PM2.5 Trend

5h · 1 station
PM2.512.08 µg/m³ ✓ WHO
Moderate
PM1027.4 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (4 stations within 25 km)
12.08
Median
12.5
Average
8.9
Low
15.0
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -1.2

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

08-03
27.6° 22.2°
11.5 mm
08-04
36.5° 24.7°
4.75 mm
08-05
33.1° 25.1°
3.31 mm
08-06
30.0° 25.7°
25.06 mm
08-07
38.2° 25.3°
11.94 mm
08-08
34.8° 26.2°
52.62 mm
08-09
35.5° 22.2°
0.44 mm
Both models agree Avg diff: 3.3°C

Where are air quality stations near Higashi-Matsuyama?

20
Matsuyama, Higashimatsuyama, Saitama Prefecture, Japan (東松山岩鼻自排東松山市)
2.1 km PM2.5: 4.8 µg/m³
25
Chuo, Konosu, Saitama, Japan (鴻巣鴻巣市)
10.1 km PM2.5: 6.0 µg/m³
–
Ōtagaya, Tsurugashima-shi, Saitama-ken, Japan (鶴ヶ島自排鶴ヶ島市)
11.3 km
15
Nagano, Gyōda-shi, Saitama-ken, Japan (行田行田市)
12.8 km PM2.5: 3.6 µg/m³
17
Miyacho, Kumagaya, Saitama, Japan (熊谷熊谷市)
12.9 km PM2.5: 4.1 µg/m³
17
Miyacho, Kumagaya, Saitama, Japan (熊谷熊谷市)
12.9 km PM2.5: 4.1 µg/m³
9
Kamitanadare, Kazo-shi, Saitama-ken, Japan (環境科学国際センター加須市)
14.1 km PM2.5: 2.2 µg/m³
25
Senbamachi, Kawagoe, Saitama, Japan (川越市仙波川越市)
15.7 km PM2.5: 6.0 µg/m³
25
Nakakayama, Hidaka, Saitama, Japan (日高日高市)
16.9 km PM2.5: 6.0 µg/m³
25
Nakakayama, Hidaka, Saitama, Japan (日高日高市)
16.9 km PM2.5: 6.0 µg/m³

What cities are near Higashi-Matsuyama?

49 Ōgushi 47 Yamata 51 Fukiage-fujimi 45 Tsurugashima 43 Igusa 45 Sakado 51 Ranzan 52 Kōnosu 52 Kitamoto 47 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 2026-08-08T01:00 UTC.