What is the air quality in Chōfu today?

The current Air Quality Index (AQI) in Chōfu is 19 (Good). PM2.5 concentration is 4.49 µg/m³.

What is the temperature in Chōfu right now?

The current temperature in Chōfu is 15.3°C (feels like 15.3°C). Humidity is 75.2% and wind speed is 39.3 km/h.

Is it safe to go outside in Chōfu?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Chōfu, Japan

Drizzle

15.3°C · 75.2% humidity

15.3°

Feels 15.3°

Good

Air quality is satisfactory. Enjoy outdoor activities.

39 stations

Nearby Monitoring Stations

AQI Forecast

— 11am

—

— 2pm

—

— 5pm

—

— 8pm

—

— 11pm

—

— 2am

—

— 5am

—

— 8am

—

Station readings 6h ago

AQI 69

PM2.5 20.6 µg/m³ · 6h ago

Air Quality Index Trend

41h · 1 stn

View full history →

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.

75.2%

Humidity

39.3 km/h

Wind N

1021.6 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.49 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Chōfu?

Temperature & Precipitation

PM2.5 Trend

41h · 1 station

PM2.54.49 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (39 stations within 25 km)

4.49

Median

6.23

Average

0.5

Low

17.8

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +1.3

What is the 7-day forecast for Chōfu?

10-21

21.6° 15.3°

0.75 mm

10-22

23.3° 18.1°

0.06 mm

10-23

22.5° 15.7°

10-24

21.9° 16.8°

0.94 mm

10-25

19.8° 14.2°

5.63 mm

10-26

20.7° 15.0°

10-27

19.2° 15.1°

0.25 mm

Both models agree Avg diff: 3.1°C

Where are air quality stations near Chōfu?

Jindaiji Minamimachi, Chofu, Tokyo, Japan (調布市深大寺南町調布市)

1.0 km PM2.5: 4.1 µg/m³

Shimorenjaku, Mitaka, Tokyo, Japan (連雀通り下連雀三鷹市)

3.6 km PM2.5: 5.0 µg/m³

Nakaizumi, Komae, Tokyo, Japan (狛江市中和泉狛江市)

4.0 km PM2.5: 6.0 µg/m³

Seijo, Setagaya, Tokyo, Japan (世田谷区成城世田谷区)

4.2 km PM2.5: 0.7 µg/m³

151

Seijo, Setagaya, Tokyo, Japan (世田谷区成城世田谷区)

4.2 km PM2.5: 55.5 µg/m³

Seijo, Setagaya, Tokyo, Japan (世田谷区成城世田谷区)

4.2 km PM2.5: 0.5 µg/m³

小金井市東町

4.7 km 70.3% RH PM2.5: 5.0 µg/m³ PM10: 11.0 µg/m³

多摩区登戸小学校

4.7 km 69.0% RH PM2.5: 4.0 µg/m³ PM10: 6.0 µg/m³

Shukugawara, Kanagawa, Japan (本村橋川崎市多摩区)

6.0 km PM2.5: 7.2 µg/m³

Honcho, Koganei, Tokyo, Japan (小金井市本町小金井市)

6.1 km PM2.5: 5.0 µg/m³

What cities are near Chōfu?

24 Komae 22 Kamirenjaku 26 Noborito 23 Inokashira 22 Inagi 23 Musashino 21 Koganei 21 Fuchū 21 Nishi-Tokyo-shi 20 Tama

Get AQI alerts for Chōfu

Notify me when air quality reaches:

ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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 2026-10-21T05:26 UTC.