Air Quality in Hidaka, Japan

Rain
21.4°C · 93.6% humidity
21.4°
Feels 21.4°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
13 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
30 6pm
32
32
18 9pm
20
23
25 12am
26
27
28 3am
29
29
29 6am
30
30
30 9am
32
39
39 12pm
32
32
32 3pm
39
39
Station readings 6h ago
AQI 20
PM2.5 4.8 µg/m³ · 6h ago
CAMS model adj +5
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

5h · 1 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.

93.6%
Humidity
22.4 km/h
Wind ENE
1010.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

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

What is the weather forecast for Hidaka?

Temperature & Precipitation

PM2.5 Trend

5h · 1 station
PM2.54.33 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (13 stations within 25 km)
4.33
Median
4.98
Average
2.2
Low
8.2
High
PM2.5 µg/m³ · Model: 6.15 · Bias: +1.8

What is the 7-day forecast for Hidaka?

09-05
25.1° 19.7°
33.5 mm
09-06
28.1° 20.7°
7.13 mm
09-07
28.5° 21.2°
3.5 mm
09-08
27.1° 20.4°
8.56 mm
09-09
25.8° 20.8°
6.69 mm
09-10
24.3° 22.2°
2.0 mm
09-11
29.9° 21.3°
9.75 mm
Both models agree Avg diff: 3.5°C

Where are air quality stations near Hidaka?

21
Nakakayama, Hidaka, Saitama, Japan (日高日高市)
3.1 km PM2.5: 5.0 µg/m³
11
Ōtagaya, Tsurugashima-shi, Saitama-ken, Japan (鶴ヶ島自排鶴ヶ島市)
3.7 km PM2.5: 2.6 µg/m³
30
Azumacho, Iruma, Saitama, Japan (入間入間市)
9.9 km PM2.5: 7.2 µg/m³
13
Miyashitamachi, Kawagoe, Saitama, Japan (川越市川越川越市)
11.3 km PM2.5: 3.1 µg/m³
28
Senbamachi, Kawagoe, Saitama, Japan (川越市仙波川越市)
11.8 km PM2.5: 6.7 µg/m³
21
Goryocho, Higashimatsuyama, Saitama, Japan (東松山東松山市)
13.6 km PM2.5: 5.0 µg/m³
16
Matsuyama, Higashimatsuyama, Saitama Prefecture, Japan (東松山岩鼻自排東松山市)
15.5 km PM2.5: 3.8 µg/m³
30
Nagaoka, Tokyo, Japan (東京環状長岡西多摩郡瑞穂町)
16.2 km PM2.5: 7.2 µg/m³
22
Higashioume, Oume, Tokyo, Japan (青梅市東青梅青梅市)
16.4 km PM2.5: 5.3 µg/m³
15
Higashioume, Oume, Tokyo, Japan (青梅市東青梅青梅市)
16.4 km PM2.5: 3.6 µg/m³

What cities are near Hidaka?

15 Sakado 20 Morohongō 15 Tsurugashima 21 Hannō 26 Sayama 22 Igusa 26 Iruma 28 Kawagoe 21 Higashi-Matsuyama 23 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 2026-09-05T12:11 UTC.