Air Quality in Asahi, Japan

Rain
24.7°C · 98.7% humidity
24.7°
Feels 24.7°
59
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
8 stations

Nearby Monitoring Stations

AQI Forecast
83 6am
83
83
59 9am
67
72
75 12pm
78
79
81 3pm
81
81
82 6pm
65
53
54 9pm
54
54
54 12am
54
54
54 3am
54
54
AD 728×90

Air Quality Index Trend

47h · 22 stn

Asahi'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 Asahi is 1.1× the WHO 24-hour guideline of 15 µg/m³.

98.7%
Humidity
72.4 km/h
Wind S
1001.8 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
59
15.86 µg/m³
PM10
44
48.05 µg/m³
050100150200300500

What is the weather forecast for Asahi?

Temperature & Precipitation

PM2.5 Trend

47h · 22 stations
PM2.515.86 µg/m³ ×1.1 WHO
Moderate
PM1048.05 µg/m³
Good
UV INDEX12.9
Extreme
AD 300×250
Station readings (8 stations within 25 km)
15.86
Median
19.21
Average
11.0
Low
35.9
High
PM2.5 µg/m³ · Model: 23.15 · Bias: +7.3

What is the 7-day forecast for Asahi?

07-22
26.7° 23.7°
15.87 mm
07-23
25.9° 21.5°
2.0 mm
07-24
25.4° 23.7°
1.56 mm
07-25
27.6° 21.8°
0.25 mm
07-26
27.4° 21.5°
0.13 mm
07-27
24.8° 23.7°
8.94 mm
07-28
26.9° 23.5°
4.13 mm
Both models agree Avg diff: 1.6°C

Where are air quality stations near Asahi?

61
Tsubaki, Sosa, Chiba, Japan (匝瑳椿匝瑳市)
6.5 km PM2.5: 16.9 µg/m³
85
Tsubaki, Sosa, Chiba, Japan (匝瑳椿匝瑳市)
6.5 km PM2.5: 28.3 µg/m³
16
Tsubaki, Sosa, Chiba, Japan (匝瑳椿匝瑳市)
6.5 km PM2.5: 3.8 µg/m³
95
Hanegawa, Katori, Chiba, Japan (香取羽根川香取市)
15.0 km PM2.5: 33.0 µg/m³
46
Suda, Kamisu, Ibaraki, Japan (波崎太田神栖市)
15.9 km PM2.5: 11.0 µg/m³
68
Yokoshiba, Chiba, Japan (横芝光横芝山武郡横芝光町)
16.4 km PM2.5: 20.2 µg/m³
63
Kamisu, Ibaraki, Japan (神栖消防神栖市)
19.3 km PM2.5: 17.8 µg/m³
42
Kamisu, Ibaraki, Japan (神栖消防神栖市)
19.3 km PM2.5: 10.1 µg/m³

What cities are near Asahi?

55 Sōsa 57 Yōkaichiba 66 Omigawa 73 Hasaki 73 Choshi 70 Yokoshiba 48 Kamisu 68 Sawara 67 Sanmu 68 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 2026-07-22T00:21 UTC.