Air Quality in Chichibu, Japan
Overcast
20.3°C · 95.2% humidity
20.3°
Feels 20.3°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Chichibu's air quality — share it
AQI Forecast
Calibrated
17
6am
17
0
40
9am
48
39
33
12pm
28
25
23
3pm
21
20
19
6pm
19
18
18
9pm
18
17
17
12am
17
17
17
3am
17
17
Station readings
7h ago
AQI 17
PM2.5 4.1 µg/m³ · 7h ago
Air Quality Index Trend
45h · 44 stnChichibu'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.
95.2%
Humidity
3.5 km/h
Wind NNW
1011.0 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.65 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Chichibu?
Temperature & Precipitation
PM2.5 Trend
45h · 44 stationsPM2.59.65 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.9
Moderate
What is the 7-day forecast for Chichibu?
08-03
22.0° 19.4°
12.31 mm
08-04
28.1° 20.9°
0.44 mm
08-05
25.1° 21.4°
10.06 mm
08-06
25.8° 20.8°
57.31 mm
08-07
31.4° 20.4°
37.75 mm
08-08
30.6° 20.7°
51.81 mm
08-09
28.6° 18.7°
3.56 mm
Both models agree
Avg diff: 2.5°C
Where are air quality stations near Chichibu?
10
Hinodamachi, Chichibu, Saitama, Japan (秩父秩父市)
13
Shiroishi, Saitama Prefecture, Japan (東秩父秩父郡東秩父村)
15
Sakurazawa, Saitama Prefecture, Japan (寄居桜沢自排大里郡寄居町)
25
Nakakayama, Hidaka, Saitama, Japan (日高日高市)
25
Nakakayama, Hidaka, Saitama, Japan (日高日高市)
50
Haragō, Fukaya-shi, Saitama-ken, Japan (深谷原郷自排深谷市)
What cities are near Chichibu?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T00:55 UTC.