Air Quality in Katori-shi, Japan

Partly Cloudy
22.3°C · 69.8% humidity
22.3°
Feels 22.3°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
9 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
6 11am
4
4
25 2pm
20
16
20 5pm
18
37
16 8pm
15
7
7 11pm
7
6
6 2am
6
6
6 5am
6
6
6 8am
6
6
Station readings 31h ago
AQI 13
PM2.5 3.2 µg/m³ · 31h ago
AD 728×90

Air Quality Index Trend

48h · 9 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.

69.8%
Humidity
15.9 km/h
Wind S
1015.5 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
25
6.01 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Katori-shi?

Temperature & Precipitation

PM2.5 Trend

48h · 9 stations
PM2.56.01 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX9.4
Very High
AD 300×250
Station readings (9 stations within 25 km)
6.01
Median
6.37
Average
2.2
Low
16.4
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +0.2

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

06-09
22.3° 21.3°
06-10
23.5° 19.0°
2.88 mm
06-11
20.7° 18.5°
0.31 mm
06-12
23.4° 19.6°
2.0 mm
06-13
27.8° 19.0°
6.06 mm
06-14
28.0° 18.2°
29.25 mm
06-15
22.6° 20.3°
19.56 mm
Both models agree Avg diff: 2.0°C

Where are air quality stations near Katori-shi?

21
Hanegawa, Katori, Chiba, Japan (香取羽根川香取市)
10.9 km PM2.5: 5.0 µg/m³
13
Shiroyama, Kashima, Ibaraki, Japan (鹿島宮中鹿嶋市)
13.5 km PM2.5: 3.1 µg/m³
17
Kamisu, Ibaraki, Japan (神栖消防神栖市)
14.9 km PM2.5: 4.1 µg/m³
30
Kamisu, Ibaraki, Japan (神栖消防神栖市)
14.9 km PM2.5: 7.2 µg/m³
53
Edosaki, Inashiki, Ibaraki, Japan (江戸崎公民館稲敷市)
18.0 km PM2.5: 13.1 µg/m³
38
Hanazakicho, Narita, Chiba, Japan (成田花崎（車）成田市)
20.9 km PM2.5: 9.1 µg/m³
44
Hanazakicho, Narita, Chiba, Japan (成田花崎（車）成田市)
20.9 km PM2.5: 10.6 µg/m³
70
Hanazakicho, Narita, Chiba, Japan (成田花崎（車）成田市)
20.9 km PM2.5: 21.1 µg/m³
21
Tsubaki, Sosa, Chiba, Japan (匝瑳椿匝瑳市)
20.9 km PM2.5: 5.0 µg/m³
30
Tsubaki, Sosa, Chiba, Japan (匝瑳椿匝瑳市)
20.9 km PM2.5: 7.2 µg/m³

What cities are near Katori-shi?

23 Sawara 36 Itako 14 Omigawa 34 Namegata 21 Kamisu 58 Kashima-shi 20 Inashiki 20 Edosaki 13 Narita 17 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 2026-06-09T05:58 UTC.