Air Quality in Yōkaichiba, Japan

Partly Cloudy
20.7°C · 66.8% humidity
20.7°
Feels 20.7°
6
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
25 7am
25
45
6 10am
9
12
14 1pm
15
16
23 4pm
44
44
44 7pm
57
45
25 10pm
25
45
45 1am
45
45
45 4am
45
45
Station readings 27h ago
AQI 16
PM2.5 3.8 µg/m³ · 27h ago
AD 728×90

Air Quality Index Trend

46h · 18 stn

Yōkaichiba'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.

66.8%
Humidity
12.1 km/h
Wind SSW
1016.0 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
6
1.41 µg/m³
PM10▲
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Yōkaichiba?

Temperature & Precipitation

PM2.5 Trend

46h · 18 stations
PM2.51.41 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (2 stations within 25 km)
1.41
Median
1.55
Average
1.4
Low
1.7
High
PM2.5 µg/m³ · Model: 9.75 · Bias: +8.3

What is the 7-day forecast for Yōkaichiba?

06-09
22.6° 20.7°
06-10
25.8° 19.9°
2.75 mm
06-11
23.0° 18.8°
0.25 mm
06-12
24.4° 19.6°
1.13 mm
06-13
30.4° 19.7°
9.88 mm
06-14
27.9° 18.5°
40.56 mm
06-15
23.7° 20.4°
35.06 mm
Both models agree Avg diff: 2.1°C

Where are air quality stations near Yōkaichiba?

21
Tsubaki, Sosa, Chiba, Japan (匝瑳椿匝瑳市)
3.4 km PM2.5: 5.0 µg/m³
38
Tsubaki, Sosa, Chiba, Japan (匝瑳椿匝瑳市)
3.4 km PM2.5: 9.1 µg/m³
46
Tsubaki, Sosa, Chiba, Japan (匝瑳椿匝瑳市)
3.4 km PM2.5: 11.0 µg/m³
17
Yokoshiba, Chiba, Japan (横芝光横芝山武郡横芝光町)
7.7 km PM2.5: 4.1 µg/m³
21
Hanegawa, Katori, Chiba, Japan (香取羽根川香取市)
16.8 km PM2.5: 5.0 µg/m³
4
Yachimata, Yachimata-shi, Chiba-ken, Japan (八街市八街八街市)
22.0 km PM2.5: 1.0 µg/m³
17
Yachimata, Yachimata-shi, Chiba-ken, Japan (八街市八街八街市)
22.0 km PM2.5: 4.1 µg/m³
17
Hanazakicho, Narita, Chiba, Japan (成田花崎（車）成田市)
22.4 km PM2.5: 4.1 µg/m³
25
Hanazakicho, Narita, Chiba, Japan (成田花崎（車）成田市)
22.4 km PM2.5: 6.0 µg/m³
9
Hanazakicho, Narita, Chiba, Japan (成田花崎（車）成田市)
22.4 km PM2.5: 2.2 µg/m³

What cities are near Yōkaichiba?

6 Sōsa 6 Yokoshiba 6 Asahi 7 Sanmu 8 Narutō 11 Ryōgoku 6 Omigawa 8 Sawara 15 Yachimata 8 Katori-shi
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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 2026-06-09T01:01 UTC.