Air Quality in Chōfu, Japan

Partly Cloudy
26.4°C · 68.1% humidity
26.4°
Feels 26.4°
32
Good
Air quality is satisfactory. Enjoy outdoor activities.
8 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
6 7am
26
26
32 10am
30
29
28 1pm
28
27
27 4pm
27
26
26 7pm
26
26
26 10pm
26
26
26 1am
26
26
26 4am
26
26
Station readings
19
CAMS model adj -28
34
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

20h · 2 stn

Chōfu'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.

68.1%
Humidity
24.7 km/h
Wind E
1009.4 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
32
7.58 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Chōfu?

Temperature & Precipitation

PM2.5 Trend

20h · 2 stations
PM2.57.58 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (8 stations within 25 km)
7.58
Median
5.34
Average
2.4
Low
8.4
High
PM2.5 µg/m³ · Model: 8.2 · Bias: +0.6

What is the 7-day forecast for Chōfu?

08-03
28.2° 22.4°
9.5 mm
08-04
34.2° 25.8°
4.56 mm
08-05
32.3° 25.5°
1.81 mm
08-06
30.1° 26.8°
21.13 mm
08-07
36.2° 25.2°
11.69 mm
08-08
34.3° 26.5°
37.0 mm
08-09
35.6° 22.7°
1.25 mm
Both models agree Avg diff: 2.8°C

Where are air quality stations near Chōfu?

33
Shimorenjaku, Mitaka, Tokyo, Japan (連雀通り下連雀三鷹市)
3.6 km PM2.5: 7.9 µg/m³
29
小金井市東町
4.7 km 69.8% RH PM2.5: 7.0 µg/m³ PM10: 15.0 µg/m³
21
多摩区登戸小学校
4.7 km 78.0% RH PM2.5: 5.0 µg/m³ PM10: 13.0 µg/m³
42
Sekimae, Musashino, Tokyo, Japan (武蔵野市関前武蔵野市)
5.8 km PM2.5: 10.1 µg/m³
30
Honcho, Koganei, Tokyo, Japan (小金井市本町小金井市)
6.1 km PM2.5: 7.2 µg/m³
25
西東京市南町
7.0 km 76.1% RH PM2.5: 6.0 µg/m³ PM10: 16.0 µg/m³
10
Higashiyurigaoka, Kanagawa, Japan (弘法松公園川崎市麻生区)
7.2 km PM2.5: 2.4 µg/m³
30
Nishitokyo (西東京市)
7.4 km PM2.5: 7.2 µg/m³
25
Nishitokyo (西東京市)
7.4 km PM2.5: 6.0 µg/m³
49
Miyamaedaira, Kanagawa, Japan (宮前平小学校川崎市宮前区)
8.5 km PM2.5: 11.8 µg/m³

What cities are near Chōfu?

28 Komae 28 Kamirenjaku 27 Noborito 27 Inokashira 21 Inagi 25 Musashino 25 Koganei 22 Fuchū 21 Nishi-Tokyo-shi 15 Tama
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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 2026-08-08T01:55 UTC.