Air Quality in Lahti, Finland
Windy
14.4°C · 41.6% humidity
14.4°
Feels 14.4°
10
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations
Nearby Monitoring Stations
Lahti's air quality — share it
AQI Forecast
Calibrated
12
9am
10
8
10
12pm
10
10
10
3pm
10
10
10
6pm
10
10
10
9pm
10
10
10
12am
10
10
10
3am
10
10
10
6am
10
10
Station readings
12
8
8
7
CAMS model
adj -14
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
36h · 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.
41.6%
Humidity
47.3 km/h
Wind NE
1010.0 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
2.35 µg/m³
PM10▲
13.7 µg/m³
050100150200300500
What is the weather forecast for Lahti?
Temperature & Precipitation
PM2.5 Trend
36h · 2 stationsPM2.52.35 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX5.9
High
Station readings (3 stations within 25 km)
2.35
Median
2.08
Average
1.45
Low
2.4
High
PM2.5 µg/m³ · Model: 5.8 · Bias: +3.5
What is the 7-day forecast for Lahti?
09-05
14.4° 6.7°
0.56 mm
09-06
11.8° 5.6°
0.81 mm
09-07
15.3° 9.6°
1.31 mm
09-08
14.2° 7.3°
7.94 mm
09-09
11.9° 8.2°
0.44 mm
09-10
15.7° 9.3°
2.0 mm
09-11
15.1° 6.4°
1.37 mm
Both models agree
Avg diff: 2.8°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 2026-09-05T09:28 UTC.