Air Quality in Choshi, Japan

Cloudy
24.2°C · 86.5% humidity
24.2°
Feels 24.2°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
54 8am
54
54
20 11am
30
37
41 2pm
45
48
49 5pm
51
52
52 8pm
53
53
53 11pm
54
54
54 2am
54
54
54 5am
54
54
Station readings 48h ago
AQI 54
PM2.5 13.4 µg/m³ · 48h ago
AD 728×90

Air Quality Index Trend

44h · 13 stn

Choshi'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.

86.5%
Humidity
38.6 km/h
Wind NE
1009.4 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
20
4.72 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Choshi?

Temperature & Precipitation

PM2.5 Trend

44h · 13 stations
PM2.54.72 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (4 stations within 25 km)
4.72
Median
4.15
Average
2.2
Low
6.0
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +1.5

What is the 7-day forecast for Choshi?

08-03
27.3° 22.6°
9.56 mm
08-04
28.5° 23.2°
0.13 mm
08-05
28.1° 25.3°
0.38 mm
08-06
27.9° 25.0°
11.12 mm
08-07
29.0° 26.0°
6.38 mm
08-08
27.9° 24.9°
62.06 mm
08-09
28.8° 24.5°
0.56 mm
Both models agree Avg diff: 1.8°C

Where are air quality stations near Choshi?

13
Suda, Kamisu, Ibaraki, Japan (波崎太田神栖市)
14.3 km PM2.5: 3.1 µg/m³
13
Tsubaki, Sosa, Chiba, Japan (匝瑳椿匝瑳市)
23.1 km PM2.5: 3.1 µg/m³
21
Tsubaki, Sosa, Chiba, Japan (匝瑳椿匝瑳市)
23.1 km PM2.5: 5.0 µg/m³
30
Tsubaki, Sosa, Chiba, Japan (匝瑳椿匝瑳市)
23.1 km PM2.5: 7.2 µg/m³
17
Kamisu, Ibaraki, Japan (神栖消防神栖市)
23.1 km PM2.5: 4.1 µg/m³
21
Kamisu, Ibaraki, Japan (神栖消防神栖市)
23.1 km PM2.5: 5.0 µg/m³
17
Hanegawa, Katori, Chiba, Japan (香取羽根川香取市)
24.4 km PM2.5: 4.1 µg/m³
17
Hanegawa, Katori, Chiba, Japan (香取羽根川香取市)
24.4 km PM2.5: 4.1 µg/m³
25
Hanegawa, Katori, Chiba, Japan (香取羽根川香取市)
24.4 km PM2.5: 6.0 µg/m³

What cities are near Choshi?

20 Hasaki 12 Asahi 11 Omigawa 25 Kamisu 10 Sōsa 10 Yōkaichiba 37 Kashima-shi 13 Yokoshiba 27 Itako 20 Sawara
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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 2026-08-08T02:58 UTC.