Air Quality in Chiyoda, Japan

Windy
20.0°C · 75.1% humidity
20.0°
Feels 20.0°
32
Good
Air quality is satisfactory. Enjoy outdoor activities.
55 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
0 2am
0
0
32 5am
43
36
32 8am
28
38
36 11am
23
22
22 2pm
21
21
21 5pm
20
20
20 8pm
20
32
32 11pm
32
32
Station readings
17
10
18
CAMS model adj -34
34
34
34
34
54
54
54
54
66
66
54
54
54
54
54
54
54
54
54
54
66
66
66
66
AD 728×90

Air Quality Index Trend

25h · 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.

75.1%
Humidity
50.4 km/h
Wind S
1021.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
32
7.69 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Chiyoda?

Temperature & Precipitation

PM2.5 Trend

25h · 1 station
PM2.57.69 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (55 stations within 25 km)
7.69
Median
7.75
Average
1.7
Low
18.3
High
PM2.5 µg/m³ · Model: 8.2 · Bias: +0.5

What is the 7-day forecast for Chiyoda?

05-29
24.8° 20.0°
05-30
24.6° 19.9°
0.94 mm
05-31
26.4° 20.6°
0.19 mm
06-01
27.3° 21.3°
06-02
26.6° 21.3°
06-03
27.7° 22.7°
0.06 mm
06-04
26.2° 19.4°
Both models agree Avg diff: 2.8°C

Where are air quality stations near Chiyoda?

38
Hibiyakoen, Chiyoda, Tokyo, Japan (日比谷交差点千代田区)
1.7 km PM2.5: 9.1 µg/m³
66
Shinkawa, Chuo, Tokyo, Japan (永代通り新川中央区)
3.4 km PM2.5: 19.2 µg/m³
21
Naitomachi, Shinjuku, Tokyo, Japan (国設新宿新宿区)
3.8 km PM2.5: 5.0 µg/m³
68
Harumi, Chuo, Tokyo, Japan (中央区晴海中央区)
4.6 km PM2.5: 20.2 µg/m³
21
Takanawa, Minato-ku, Tōkyō-to, Japan (港区高輪港区)
4.9 km PM2.5: 5.0 µg/m³
50
Takanawa, Minato-ku, Tōkyō-to, Japan (港区高輪港区)
4.9 km PM2.5: 12.0 µg/m³
70
Takanawa, Minato, Tokyo, Japan (第一京浜高輪港区)
5.7 km PM2.5: 21.1 µg/m³
25
スカイツリー１５０ｍ
6.1 km 36.7% RH PM2.5: 6.0 µg/m³ PM10: 8.0 µg/m³
38
スカイツリー３２５ｍ
6.1 km 37.9% RH PM2.5: 9.0 µg/m³ PM10: 10.0 µg/m³
41
Minowa, Taito, Tokyo, Japan (明治通り大関横丁台東区)
6.2 km PM2.5: 9.8 µg/m³

What cities are near Chiyoda?

31 Akasaka 33 Akihabara 32 Chūō 32 Minato City 30 Yotsuya 34 Taito 34 Kachidoki 29 Shinjuku 26 Ōkubo 29 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 2026-05-29T20:28 UTC.