Air Quality in Asahi, Japan

Windy
22.2°C · 79.0% humidity
22.2°
Feels 22.2°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast
34 3am
34
34
42 6am
40
38
57 9am
27
29
28 12pm
35
35
54 3pm
54
54
66 6pm
66
66
54 9pm
27
27
34 12am
34
27
AD 728×90

Air Quality Index Trend

48h · 15 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 2.0× the WHO annual guideline of 5 µg/m³.

79.0%
Humidity
172.7 km/h
Wind SSE
1001.5 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
42
9.99 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Asahi?

Temperature & Precipitation

PM2.5 Trend

48h · 15 stations
PM2.59.99 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (4 stations within 25 km)
9.99
Median
9.57
Average
5.0
Low
15.0
High
PM2.5 µg/m³ · Model: 13.7 · Bias: +3.7

What is the 7-day forecast for Asahi?

05-28
24.0° 16.6°
05-29
23.2° 19.5°
0.06 mm
05-30
20.7° 18.6°
4.37 mm
05-31
23.0° 19.1°
0.31 mm
06-01
22.4° 20.4°
0.13 mm
06-02
21.9° 19.2°
06-03
24.2° 21.6°
0.44 mm
Both models agree Avg diff: 1.5°C

Where are air quality stations near Asahi?

13
Tsubaki, Sosa, Chiba, Japan (匝瑳椿匝瑳市)
6.5 km PM2.5: 3.1 µg/m³
30
Tsubaki, Sosa, Chiba, Japan (匝瑳椿匝瑳市)
6.5 km PM2.5: 7.2 µg/m³
21
Tsubaki, Sosa, Chiba, Japan (匝瑳椿匝瑳市)
6.5 km PM2.5: 5.0 µg/m³
9
Hanegawa, Katori, Chiba, Japan (香取羽根川香取市)
15.0 km PM2.5: 2.2 µg/m³
46
Suda, Kamisu, Ibaraki, Japan (波崎太田神栖市)
15.9 km PM2.5: 11.0 µg/m³
34
Yokoshiba, Chiba, Japan (横芝光横芝山武郡横芝光町)
16.4 km PM2.5: 8.2 µg/m³
53
Kamisu, Ibaraki, Japan (神栖消防神栖市)
19.3 km PM2.5: 13.1 µg/m³
17
Kamisu, Ibaraki, Japan (神栖消防神栖市)
19.3 km PM2.5: 4.1 µg/m³

What cities are near Asahi?

41 Sōsa 39 Yōkaichiba 57 Omigawa 52 Hasaki 52 Choshi 28 Yokoshiba 56 Kamisu 57 Sawara 31 Sanmu 57 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 2026-05-28T21:35 UTC.