Air Quality in Katori-shi, Japan

Windy
23.1°C · 68.6% humidity
23.1°
Feels 23.1°
53
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
9 stations

Nearby Monitoring Stations

AQI Forecast
25 4am
25
27
53 7am
46
40
35 10am
34
39
58 1pm
57
56
55 4pm
55
55
54 7pm
27
25
34 10pm
27
27
34 1am
34
54
AD 728×90

Air Quality Index Trend

47h · 30 stn

Katori-shi'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 Katori-shi is 2.6× the WHO annual guideline of 5 µg/m³.

68.6%
Humidity
119.9 km/h
Wind SSE
1000.0 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
53
13.11 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Katori-shi?

Temperature & Precipitation

PM2.5 Trend

47h · 30 stations
PM2.513.11 µg/m³ ✓ WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (9 stations within 25 km)
13.11
Median
12.83
Average
4.1
Low
17.8
High
PM2.5 µg/m³ · Model: 12.85 · Bias: -0.3

What is the 7-day forecast for Katori-shi?

05-28
29.0° 14.1°
05-29
23.1° 17.2°
0.06 mm
05-30
20.9° 17.1°
3.81 mm
05-31
24.7° 17.6°
0.13 mm
06-01
23.9° 19.3°
06-02
22.4° 17.3°
06-03
27.2° 21.1°
0.31 mm
Both models agree Avg diff: 2.7°C

Where are air quality stations near Katori-shi?

9
Hanegawa, Katori, Chiba, Japan (香取羽根川香取市)
10.9 km PM2.5: 2.2 µg/m³
50
Shiroyama, Kashima, Ibaraki, Japan (鹿島宮中鹿嶋市)
13.5 km PM2.5: 12.0 µg/m³
42
Kamisu, Ibaraki, Japan (神栖消防神栖市)
14.9 km PM2.5: 10.1 µg/m³
5
Kamisu, Ibaraki, Japan (神栖消防神栖市)
14.9 km PM2.5: 1.2 µg/m³
68
Edosaki, Inashiki, Ibaraki, Japan (江戸崎公民館稲敷市)
18.0 km PM2.5: 20.2 µg/m³
50
Hanazakicho, Narita, Chiba, Japan (成田花崎（車）成田市)
20.9 km PM2.5: 12.0 µg/m³
59
Hanazakicho, Narita, Chiba, Japan (成田花崎（車）成田市)
20.9 km PM2.5: 15.9 µg/m³
53
Hanazakicho, Narita, Chiba, Japan (成田花崎（車）成田市)
20.9 km PM2.5: 13.1 µg/m³
13
Tsubaki, Sosa, Chiba, Japan (匝瑳椿匝瑳市)
20.9 km PM2.5: 3.1 µg/m³
21
Tsubaki, Sosa, Chiba, Japan (匝瑳椿匝瑳市)
20.9 km PM2.5: 5.0 µg/m³

What cities are near Katori-shi?

54 Sawara 48 Itako 58 Omigawa 50 Namegata 53 Kamisu 37 Kashima-shi 18 Inashiki 18 Edosaki 58 Narita 42 Sōsa
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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 2026-05-28T22:55 UTC.