Air Quality in Chichibu, Japan

Cloudy
15.8°C · 80.5% humidity
15.8°
Feels 15.8°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
6 stations

Nearby Monitoring Stations

AQI Forecast
27 7am
27
27
18 10am
21
22
24 1pm
25
32
33 4pm
53
53
54 7pm
66
66
66 10pm
66
66
54 1am
54
54
54 4am
54
34
AD 728×90

Air Quality Index Trend

46h · 30 stn

Chichibu'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.

80.5%
Humidity
25.2 km/h
Wind ENE
1017.2 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
18
4.3 µg/m³
PM10▲
25
27.45 µg/m³
050100150200300500

What is the weather forecast for Chichibu?

Temperature & Precipitation

PM2.5 Trend

46h · 30 stations
PM2.54.3 µg/m³ ✓ WHO
Good
PM1027.45 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250
Station readings (6 stations within 25 km)
4.3
Median
4.72
Average
4.1
Low
6.2
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +5.7

What is the 7-day forecast for Chichibu?

05-30
19.2° 12.8°
1.37 mm
05-31
20.6° 14.4°
0.25 mm
06-01
23.0° 15.4°
0.31 mm
06-02
22.2° 14.0°
3.38 mm
06-03
23.4° 16.4°
2.19 mm
06-04
22.7° 11.1°
0.81 mm
06-05
22.8° 15.0°
2.38 mm
Both models agree Avg diff: 3.0°C

Where are air quality stations near Chichibu?

21
Minano, Saitama-ken, Japan (皆野秩父郡皆野町)
9.2 km PM2.5: 5.0 µg/m³
5
Shiroishi, Saitama Prefecture, Japan (東秩父秩父郡東秩父村)
9.2 km PM2.5: 1.2 µg/m³
19
Ōtsuka, Saitama-ken, Japan (小川比企郡小川町)
18.4 km PM2.5: 4.6 µg/m³
39
Ōtsuka, Saitama-ken, Japan (小川比企郡小川町)
18.4 km PM2.5: 9.4 µg/m³
20
Iwai, Saitama Prefecture, Japan (毛呂山入間郡毛呂山町)
22.1 km PM2.5: 4.8 µg/m³
26
Iwai, Saitama Prefecture, Japan (毛呂山入間郡毛呂山町)
22.1 km PM2.5: 6.2 µg/m³
4
Namiyanagi, Hannō-shi, Saitama-ken, Japan (飯能飯能市)
27.3 km PM2.5: 1.0 µg/m³
41
Namiyanagi, Hannō-shi, Saitama-ken, Japan (飯能飯能市)
27.3 km PM2.5: 9.8 µg/m³
52
Higashioume, Oume, Tokyo, Japan (青梅市東青梅青梅市)
29.1 km PM2.5: 12.6 µg/m³
32
Haragō, Fukaya-shi, Saitama-ken, Japan (深谷原郷自排深谷市)
30.1 km PM2.5: 7.7 µg/m³

What cities are near Chichibu?

26 Yorii 35 Ogawamachi 23 Morohongō 24 Kodamachō-kodamaminami 50 Ranzan 32 Hannō 33 Hidaka 20 Ōme 39 Sakado 61 Yamata
Get AQI alerts for Chichibu

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-30T01:03 UTC.