Air Quality in Chiba, Japan
Rain
23.4°C · 94.8% humidity
23.4°
Feels 23.4°
70
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
34 stations
Nearby Monitoring Stations
Chiba's air quality — share it
AQI Forecast
84
5am
84
83
70
8am
66
66
66
11am
66
83
83
2pm
83
83
83
5pm
66
66
66
8pm
66
66
66
11pm
66
83
83
2am
83
83
Air Quality Index Trend
47h · 46 stnChiba'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. Current PM2.5 concentration in Chiba is 1.4× the WHO 24-hour guideline of 15 µg/m³.
94.8%
Humidity
20.7 km/h
Wind W
1002.2 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
21.01 µg/m³
PM10
54.9 µg/m³
050100150200300500
What is the weather forecast for Chiba?
Temperature & Precipitation
PM2.5 Trend
47h · 46 stationsPM2.521.01 µg/m³
×1.4 WHO
Moderate
PM1054.9 µg/m³
Moderate
UV INDEX4.4
Moderate
Station readings (34 stations within 25 km)
21.01
Median
15.6
Average
4.8
Low
31.1
High
PM2.5 µg/m³ · Model: 27.1 · Bias: +6.1
Both models agree
Avg diff: 2.6°C
Where are air quality stations near Chiba?
59
Chiba (千葉)
60
NASA GSFC Rutgers Calib. N6
61
Soga, Chiba, Japan (蘇我保育所千葉市中央区)
37
Masago, Chiba, Japan (真砂公園千葉市美浜区)
64
Yawata, Ichihara, Chiba, Japan (市原八幡市原市)
67
Yawata, Ichihara, Chiba, Japan (市原八幡市原市)
13
Yawata, Ichihara, Chiba, Japan (市原八幡市原市)
53
Shikawatashi, Yotsukaido, Chiba, Japan (四街道鹿渡四街道市)
55
Shikawatashi, Yotsukaido, Chiba, Japan (四街道鹿渡四街道市)
85
Iwasakinishi, Ichihara-shi, Chiba-ken, Japan (市原岩崎西市原市)
What cities are near Chiba?
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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 2026-07-21T23:16 UTC.