Air Quality in Norrtälje, Sweden
Clear
12.9°C · 41.5% humidity
12.9°
Feels 12.9°
31
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Norrtälje's air quality — share it
AQI Forecast
24
7pm
24
24
31
10pm
29
28
27
1am
26
26
26
4am
26
25
25
7am
25
25
25
10am
25
25
25
1pm
25
34
34
4pm
34
34
Air Quality Index Trend
47h · 7 stnNorrtälje'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.
41.5%
Humidity
39.8 km/h
Wind N
1018.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.4 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Norrtälje?
Temperature & Precipitation
PM2.5 Trend
47h · 7 stationsPM2.57.4 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
7.4
Median
7.4
Average
7.4
Low
7.4
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -1.5
What is the 7-day forecast for Norrtälje?
05-30
12.9° 3.5°
1.0 mm
05-31
13.8° 8.3°
0.06 mm
06-01
21.0° 7.6°
0.56 mm
06-02
24.6° 11.5°
06-03
19.9° 7.1°
0.19 mm
06-04
21.7° 13.2°
0.06 mm
06-05
18.7° 8.5°
3.5 mm
Both models agree
Avg diff: 3.4°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 2026-05-30T20:28 UTC.