Air Quality in Katori-shi, Japan

Cloudy
22.7°C · 88.2% humidity
22.7°
Feels 22.7°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
13 stations

Nearby Monitoring Stations

AQI Forecast
25 4pm
25
25
42 7pm
37
34
31 10pm
29
28
27 1am
27
26
25 4am
25
24
24 7am
24
24
27 10am
27
27
34 1pm
54
54
AD 728×90

Air Quality Index Trend

45h · 43 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.

88.2%
Humidity
34.8 km/h
Wind NE
1010.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
42
10.21 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Katori-shi?

Temperature & Precipitation

PM2.5 Trend

45h · 43 stations
PM2.510.21 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (13 stations within 25 km)
10.21
Median
9.48
Average
4.1
Low
33.0
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -4.3

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

09-05
26.6° 22.2°
14.63 mm
09-06
26.3° 22.2°
0.25 mm
09-07
27.4° 22.9°
0.19 mm
09-08
27.6° 21.8°
6.56 mm
09-09
27.5° 20.5°
17.06 mm
09-10
27.2° 23.0°
4.06 mm
09-11
30.8° 22.6°
Both models agree Avg diff: 2.5°C

Where are air quality stations near Katori-shi?

50
Hanegawa, Katori, Chiba, Japan (香取羽根川香取市)
10.9 km PM2.5: 12.0 µg/m³
34
Hanegawa, Katori, Chiba, Japan (香取羽根川香取市)
10.9 km PM2.5: 8.2 µg/m³
25
Hanegawa, Katori, Chiba, Japan (香取羽根川香取市)
10.9 km PM2.5: 6.0 µg/m³
17
Hanegawa, Katori, Chiba, Japan (香取羽根川香取市)
10.9 km PM2.5: 4.1 µg/m³
55
Shiroyama, Kashima, Ibaraki, Japan (鹿島宮中鹿嶋市)
13.5 km PM2.5: 14.0 µg/m³
95
Shiroyama, Kashima, Ibaraki, Japan (鹿島宮中鹿嶋市)
13.5 km PM2.5: 33.0 µg/m³
46
Edosaki, Inashiki, Ibaraki, Japan (江戸崎公民館稲敷市)
18.0 km PM2.5: 11.0 µg/m³
25
Hanazakicho, Narita, Chiba, Japan (成田花崎（車）成田市)
20.9 km PM2.5: 6.0 µg/m³
34
Hanazakicho, Narita, Chiba, Japan (成田花崎（車）成田市)
20.9 km PM2.5: 8.2 µg/m³
25
Tsubaki, Sosa, Chiba, Japan (匝瑳椿匝瑳市)
20.9 km PM2.5: 6.0 µg/m³

What cities are near Katori-shi?

40 Sawara 59 Itako 23 Omigawa 59 Namegata 52 Kamisu 74 Kashima-shi 28 Inashiki 28 Edosaki 29 Narita 28 Sōsa
Get AQI alerts for Katori-shi

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T10:27 UTC.