Air Quality in Katori-shi, Japan

Partly Cloudy
22.3°C · 69.8% humidity
22.3°
Feels 22.3°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
13 2pm
13
13
23 5pm
20
40
20 8pm
20
13
13 11pm
13
13
13 2am
13
13
13 5am
13
13
13 8am
13
13
20 11am
20
13
Station readings 34h ago
AQI 13
PM2.5 3.2 µg/m³ · 34h ago
AD 728×90

Air Quality Index Trend

47h · 19 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
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
23
5.53 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Katori-shi?

Temperature & Precipitation

PM2.5 Trend

47h · 19 stations
PM2.55.53 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (5 stations within 25 km)
5.53
Median
5.42
Average
2.2
Low
11.5
High
PM2.5 µg/m³ · Model: 7.1 · Bias: +1.6

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: 1.9°C

Where are air quality stations near Katori-shi?

32
Hanegawa, Katori, Chiba, Japan (香取羽根川香取市)
10.9 km PM2.5: 7.7 µg/m³
25
Shiroyama, Kashima, Ibaraki, Japan (鹿島宮中鹿嶋市)
13.5 km PM2.5: 6.0 µg/m³
30
Kamisu, Ibaraki, Japan (神栖消防神栖市)
14.9 km PM2.5: 7.2 µg/m³
17
Kamisu, Ibaraki, Japan (神栖消防神栖市)
14.9 km PM2.5: 4.1 µg/m³
17
Edosaki, Inashiki, Ibaraki, Japan (江戸崎公民館稲敷市)
18.0 km PM2.5: 4.1 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
24
Tsubaki, Sosa, Chiba, Japan (匝瑳椿匝瑳市)
20.9 km PM2.5: 5.8 µg/m³

What cities are near Katori-shi?

23 Sawara 26 Itako 21 Omigawa 36 Namegata 21 Kamisu 25 Kashima-shi 48 Inashiki 48 Edosaki 10 Narita 15 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 2026-06-09T08:24 UTC.