Air Quality in Kōriyama, Japan
Drizzle
17.9°C · 99.7% humidity
17.9°
Feels 17.9°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Kōriyama's air quality — share it
AQI Forecast
Calibrated
12
4pm
12
12
38
7pm
31
25
22
10pm
19
16
15
1am
14
13
12
4am
12
12
12
7am
12
12
14
10am
14
14
21
1pm
21
41
Station readings
27h ago
AQI 11
PM2.5 2.6 µg/m³ · 27h ago
CAMS model
adj -13
25
25
25
25
25
25
25
25
24
24
24
24
24
24
24
25
25
25
27
27
27
34
34
54
Air Quality Index Trend
43h · 3 stnKōriyama'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.
99.7%
Humidity
11.4 km/h
Wind E
1012.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.1 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Kōriyama?
Temperature & Precipitation
PM2.5 Trend
43h · 3 stationsPM2.59.1 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
9.1
Median
9.1
Average
9.1
Low
9.1
High
PM2.5 µg/m³ · Model: 6.0 · Bias: -3.1
What is the 7-day forecast for Kōriyama?
09-05
22.4° 16.1°
2.38 mm
09-06
21.3° 17.3°
1.06 mm
09-07
23.7° 17.4°
0.56 mm
09-08
21.4° 16.5°
8.13 mm
09-09
20.2° 16.6°
1.5 mm
09-10
22.4° 19.3°
2.75 mm
09-11
26.0° 18.1°
1.13 mm
Both models agree
Avg diff: 2.6°C
Where are air quality stations near Kōriyama?
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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 2026-09-05T10:27 UTC.