Air Quality in Karlstad, Sweden
Windy
20.2°C · 51.7% humidity
20.2°
Feels 20.2°
29
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Karlstad's air quality — share it
AQI Forecast
Calibrated
22
12am
22
22
29
3am
27
26
25
6am
24
24
24
9am
24
25
25
12pm
25
23
22
3pm
22
22
23
6pm
23
23
25
9pm
25
25
Station readings
47h ago
AQI 22
PM2.5 5.2 µg/m³ · 47h ago
Air Quality Index Trend
33h · 1 stnKarlstad's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.
51.7%
Humidity
52.9 km/h
Wind SW
1008.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.88 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Karlstad?
Temperature & Precipitation
PM2.5 Trend
33h · 1 stationPM2.56.88 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
6.88
Median
6.88
Average
6.88
Low
6.88
High
PM2.5 µg/m³ · Model: 5.8 · Bias: -1.1
What is the 7-day forecast for Karlstad?
08-03
21.6° 15.2°
08-04
21.1° 12.2°
08-05
20.2° 13.4°
3.38 mm
08-06
19.4° 14.7°
1.44 mm
08-07
25.0° 15.1°
1.37 mm
08-08
18.3° 12.6°
5.38 mm
08-09
19.4° 13.4°
3.31 mm
Both models agree
Avg diff: 2.5°C
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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 2026-08-08T01:01 UTC.