Air Quality in Lahti, Finland
Windy
17.3°C · 77.3% humidity
17.3°
Feels 17.3°
12
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Lahti's air quality — share it
AQI Forecast
Calibrated
11
12am
9
9
12
3am
11
11
11
6am
11
11
11
9am
11
11
11
12pm
11
11
11
3pm
11
11
11
6pm
11
11
11
9pm
11
11
Station readings
13
9
9
CAMS model
adj -13
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
Air Quality Index Trend
22h · 2 stnLahti'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.
77.3%
Humidity
44.7 km/h
Wind SE
1014.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
2.85 µg/m³
PM10▲
13.7 µg/m³
050100150200300500
What is the weather forecast for Lahti?
Temperature & Precipitation
PM2.5 Trend
22h · 2 stationsPM2.52.85 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
2.85
Median
2.4
Average
1.7
Low
3.1
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +3.0
What is the 7-day forecast for Lahti?
08-03
20.0° 11.7°
08-04
16.4° 12.6°
2.0 mm
08-05
18.5° 11.2°
6.63 mm
08-06
22.9° 10.0°
2.31 mm
08-07
25.1° 12.6°
3.13 mm
08-08
23.2° 11.5°
0.44 mm
08-09
18.9° 12.1°
Both models agree
Avg diff: 3.2°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 2026-08-08T00:55 UTC.