Air Quality in Chiyoda, Japan

Cloudy
26.1°C · 70.3% humidity
26.1°
Feels 26.1°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
15 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
5 7am
25
25
23 10am
25
25
25 1pm
25
25
25 4pm
25
25
25 7pm
25
25
25 10pm
25
25
25 1am
25
25
25 4am
25
25
Station readings
18
CAMS model adj -29
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

21h · 1 stn

Chiyoda'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.

70.3%
Humidity
31.9 km/h
Wind E
1009.4 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
23
5.37 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Chiyoda?

Temperature & Precipitation

PM2.5 Trend

21h · 1 station
PM2.55.37 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (15 stations within 25 km)
5.37
Median
5.45
Average
2.6
Low
8.4
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +2.0

What is the 7-day forecast for Chiyoda?

08-03
29.2° 22.1°
11.81 mm
08-04
33.3° 25.9°
6.81 mm
08-05
31.8° 25.8°
2.75 mm
08-06
29.9° 27.2°
12.25 mm
08-07
34.4° 25.5°
9.13 mm
08-08
33.7° 26.6°
45.5 mm
08-09
35.1° 23.7°
0.13 mm
Both models agree Avg diff: 2.6°C

Where are air quality stations near Chiyoda?

30
Hibiyakoen, Chiyoda, Tokyo, Japan (日比谷交差点千代田区)
1.7 km PM2.5: 7.2 µg/m³
55
Shinkawa, Chuo, Tokyo, Japan (永代通り新川中央区)
3.4 km PM2.5: 14.0 µg/m³
30
Harumi, Chuo, Tokyo, Japan (中央区晴海中央区)
4.6 km PM2.5: 7.2 µg/m³
34
Udagawacho, Shibuya, Tokyo, Japan (渋谷区宇田川町渋谷区)
5.0 km PM2.5: 8.2 µg/m³
25
Honkomagome, Bunkyo, Tokyo, Japan (文京区本駒込文京区)
5.2 km PM2.5: 6.0 µg/m³
33
Honkomagome, Bunkyo, Tokyo, Japan (文京区本駒込文京区)
5.2 km PM2.5: 7.9 µg/m³
50
スカイツリー１５０ｍ
6.1 km 86.5% RH PM2.5: 12.0 µg/m³ PM10: 12.0 µg/m³
17
スカイツリー３２５ｍ
6.1 km 90.5% RH PM2.5: 4.0 µg/m³ PM10: 10.0 µg/m³
23
Koto (江東区)
6.2 km PM2.5: 5.5 µg/m³
25
Koto (江東区)
6.2 km PM2.5: 6.0 µg/m³

What cities are near Chiyoda?

23 Akasaka 23 Akihabara 21 Chūō 22 Minato City 24 Yotsuya 23 Taito 21 Kachidoki 24 Shinjuku 25 Ōkubo 24 Ōtsuka
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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 2026-08-08T01:58 UTC.