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

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
7.69
Median
7.75
Average
1.7
Low
18.3
High
PM2.5 µg/m³ · Model: 8.2 · Bias: +0.5
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°
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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.