Air Quality in Yokoshiba, Japan

Rain
24.3°C · 98.5% humidity
24.3°
Feels 24.3°
72
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
3 stations

Nearby Monitoring Stations

AQI Forecast
84 7am
83
66
72 10am
87
86
85 1pm
85
84
84 4pm
67
66
66 7pm
66
54
54 10pm
54
54
54 1am
54
66
66 4am
66
66
AD 728×90

Air Quality Index Trend

47h · 2 stn

Yokoshiba'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 Yokoshiba is 1.5× the WHO 24-hour guideline of 15 µg/m³.

98.5%
Humidity
19.9 km/h
Wind WSW
1001.9 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
72
21.87 µg/m³
PM10
44
48.05 µg/m³
050100150200300500

What is the weather forecast for Yokoshiba?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.521.87 µg/m³ ×1.5 WHO
Moderate
PM1048.05 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250
Station readings (3 stations within 25 km)
21.87
Median
22.4
Average
20.2
Low
24.9
High
PM2.5 µg/m³ · Model: 19.2 · Bias: -2.7

What is the 7-day forecast for Yokoshiba?

07-22
28.2° 23.9°
11.62 mm
07-23
28.4° 21.1°
1.63 mm
07-24
26.6° 24.8°
1.75 mm
07-25
33.0° 21.9°
0.19 mm
07-26
30.1° 21.3°
0.06 mm
07-27
27.6° 23.3°
3.44 mm
07-28
30.0° 23.5°
2.56 mm
Both models agree Avg diff: 2.5°C

Where are air quality stations near Yokoshiba?

68
Yokoshiba, Chiba, Japan (横芝光横芝山武郡横芝光町)
0.6 km PM2.5: 20.2 µg/m³
24
Tsubaki, Sosa, Chiba, Japan (匝瑳椿匝瑳市)
11.6 km PM2.5: 5.8 µg/m³
80
Tsubaki, Sosa, Chiba, Japan (匝瑳椿匝瑳市)
11.6 km PM2.5: 25.9 µg/m³
82
Tsubaki, Sosa, Chiba, Japan (匝瑳椿匝瑳市)
11.6 km PM2.5: 26.8 µg/m³
34
Horiage, Tōgane-shi, Chiba-ken, Japan (東金堀上東金市)
14.7 km PM2.5: 8.2 µg/m³
57
Horiage, Tōgane-shi, Chiba-ken, Japan (東金堀上東金市)
14.7 km PM2.5: 15.0 µg/m³
63
Yachimata, Yachimata-shi, Chiba-ken, Japan (八街市八街八街市)
15.9 km PM2.5: 17.8 µg/m³
34
Yachimata, Yachimata-shi, Chiba-ken, Japan (八街市八街八街市)
15.9 km PM2.5: 8.2 µg/m³
46
Hanazakicho, Narita, Chiba, Japan (成田花崎（車）成田市)
20.5 km PM2.5: 11.0 µg/m³
70
Hanazakicho, Narita, Chiba, Japan (成田花崎（車）成田市)
20.5 km PM2.5: 21.1 µg/m³

What cities are near Yokoshiba?

70 Sanmu 73 Yōkaichiba 69 Narutō 73 Sōsa 75 Ryōgoku 71 Yachimata 68 Tōgane 75 Asahi 68 Ōamishirasato 73 Shisui
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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 2026-07-22T01:21 UTC.