Air Quality in Kōriyama, Japan
Rain
15.3°C · 96.2% humidity
15.3°
Feels 15.3°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Kōriyama's air quality — share it
AQI Forecast
25
9pm
25
25
25
12am
25
27
27
3am
27
27
27
6am
27
27
25
9am
27
27
25
12pm
27
27
27
3pm
27
27
27
6pm
27
27
Air Quality Index Trend
40h · 1 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. Current PM2.5 concentration in Kōriyama is 1.2× the WHO annual guideline of 5 µg/m³.
96.2%
Humidity
62.2 km/h
Wind WNW
1005.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.0 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Kōriyama?
Temperature & Precipitation
PM2.5 Trend
40h · 1 stationPM2.56.0 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
6.0
Median
6.0
Average
6.0
Low
6.0
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +0.2
What is the 7-day forecast for Kōriyama?
05-29
20.5° 14.3°
8.44 mm
05-30
20.1° 12.2°
8.94 mm
05-31
22.4° 13.1°
0.13 mm
06-01
20.5° 14.9°
1.31 mm
06-02
22.5° 13.9°
06-03
21.4° 15.9°
4.62 mm
06-04
22.8° 12.1°
5.87 mm
Both models agree
Avg diff: 2.2°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 2026-05-29T15:04 UTC.