Air Quality in Hidaka, Japan

Drizzle
22.2°C · 89.6% humidity
22.2°
Feels 22.2°
55
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
17 stations

Nearby Monitoring Stations

AQI Forecast
27 6am
27
27
55 9am
47
41
37 12pm
34
39
38 3pm
37
56
55 6pm
35
55
55 9pm
54
54
54 12am
54
54
54 3am
54
34
AD 728×90

Air Quality Index Trend

47h · 9 stn

Hidaka'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.

89.6%
Humidity
14.7 km/h
Wind NW
1003.2 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
55
14.12 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

What is the weather forecast for Hidaka?

Temperature & Precipitation

PM2.5 Trend

47h · 9 stations
PM2.514.12 µg/m³ ✓ WHO
Moderate
PM1027.45 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250
Station readings (17 stations within 25 km)
14.12
Median
13.91
Average
5.8
Low
22.1
High
PM2.5 µg/m³ · Model: 16.8 · Bias: +2.7

What is the 7-day forecast for Hidaka?

07-22
27.9° 22.2°
1.31 mm
07-23
25.6° 18.7°
3.62 mm
07-24
26.6° 23.1°
3.69 mm
07-25
31.8° 22.1°
1.0 mm
07-26
30.1° 22.6°
07-27
30.5° 22.4°
12.0 mm
07-28
29.6° 24.2°
6.63 mm
Both models agree Avg diff: 3.3°C

Where are air quality stations near Hidaka?

21
Ōtagaya, Tsurugashima-shi, Saitama-ken, Japan (鶴ヶ島自排鶴ヶ島市)
3.7 km PM2.5: 5.0 µg/m³
31
Iseharachō, Kawagoe-shi, Saitama-ken, Japan (川越市霞ケ関川越市)
5.6 km PM2.5: 7.4 µg/m³
7
Iseharachō, Kawagoe-shi, Saitama-ken, Japan (川越市霞ケ関川越市)
5.6 km PM2.5: 1.7 µg/m³
51
Iwai, Saitama Prefecture, Japan (毛呂山入間郡毛呂山町)
5.6 km PM2.5: 12.1 µg/m³
30
Iwai, Saitama Prefecture, Japan (毛呂山入間郡毛呂山町)
5.6 km PM2.5: 7.2 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
71
Namiyanagi, Hannō-shi, Saitama-ken, Japan (飯能飯能市)
7.4 km PM2.5: 21.6 µg/m³
53
Namiyanagi, Hannō-shi, Saitama-ken, Japan (飯能飯能市)
7.4 km PM2.5: 13.1 µg/m³
16
Azumacho, Iruma, Saitama, Japan (入間入間市)
9.9 km PM2.5: 3.8 µg/m³

What cities are near Hidaka?

56 Sakado 56 Morohongō 56 Tsurugashima 55 Hannō 48 Sayama 57 Igusa 55 Iruma 67 Kawagoe 53 Higashi-Matsuyama 55 Kamifukuoka
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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 2026-07-22T00:21 UTC.