Air Quality in Chiyoda, Japan

Cloudy
21.1°C · 70.4% humidity
21.1°
Feels 21.1°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
55 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
38 8am
38
21
23 11am
21
21
21 2pm
21
21
21 5pm
38
39
39 8pm
38
39
39 11pm
39
101
39 2am
39
38
21 5am
21
9
Station readings
4
4
CAMS model adj -45
83
83
66
66
66
66
66
66
66
66
83
84
84
83
84
84
84
146
84
84
83
66
66
54
AD 728×90

Air Quality Index Trend

38h · 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.

70.4%
Humidity
34.3 km/h
Wind SSE
1015.5 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

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

What is the weather forecast for Chiyoda?

Temperature & Precipitation

PM2.5 Trend

38h · 1 station
PM2.55.38 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX14.9
Extreme
AD 300×250
Station readings (55 stations within 25 km)
5.38
Median
4.7
Average
0.94
Low
11.0
High
PM2.5 µg/m³ · Model: 13.7 · Bias: +8.3

What is the 7-day forecast for Chiyoda?

06-09
23.3° 21.1°
06-10
28.5° 19.3°
4.44 mm
06-11
25.7° 20.1°
0.94 mm
06-12
24.5° 19.9°
1.37 mm
06-13
30.0° 21.7°
6.0 mm
06-14
28.7° 18.6°
26.88 mm
06-15
27.1° 21.0°
17.44 mm
Both models agree Avg diff: 2.0°C

Where are air quality stations near Chiyoda?

21
Hibiyakoen, Chiyoda, Tokyo, Japan (日比谷交差点千代田区)
1.7 km PM2.5: 5.0 µg/m³
9
Shinkawa, Chuo, Tokyo, Japan (永代通り新川中央区)
3.4 km PM2.5: 2.2 µg/m³
16
Naitomachi, Shinjuku, Tokyo, Japan (国設新宿新宿区)
3.8 km PM2.5: 3.8 µg/m³
57
Harumi, Chuo, Tokyo, Japan (中央区晴海中央区)
4.6 km PM2.5: 15.0 µg/m³
25
Takanawa, Minato-ku, Tōkyō-to, Japan (港区高輪港区)
4.9 km PM2.5: 6.0 µg/m³
26
Takanawa, Minato-ku, Tōkyō-to, Japan (港区高輪港区)
4.9 km PM2.5: 6.2 µg/m³
31
Takanawa, Minato, Tokyo, Japan (第一京浜高輪港区)
5.7 km PM2.5: 7.4 µg/m³
17
スカイツリー１５０ｍ
6.1 km 98.4% RH PM2.5: 4.0 µg/m³ PM10: 0.0 µg/m³
–
スカイツリー３２５ｍ
6.1 km 95.2% RH PM2.5: -4.0 µg/m³ PM10: 2.0 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?

20 Akasaka 26 Akihabara 22 Chūō 18 Minato City 18 Yotsuya 25 Taito 18 Kachidoki 18 Shinjuku 18 Ōkubo 23 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 2026-06-09T02:24 UTC.