Knarrdalstranda, Grenland, Norway Air Quality

Monitoring Station · Porsgrunn, Norway
51
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
32 5am
21
32
51 8am
34
34
34 11am
34
31
31 2pm
32
32
32 5pm
32
32
— 8pm
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—
— 11pm
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— 2am
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Station readings
21
51
CAMS model adj +7
25
25
25
25
27
27
27
27
24
24
25
25
25
25
25

Air Quality Forecast (24h)

PM2.512.1 µg/m³ ✓ WHO
Moderate
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Nearby Monitoring Stations

20
Sverresgate, Grenland, Norway
1.8 km PM2.5: 4.8 µg/m³
20
Lensmannsdalen, Grenland, Norway
3.0 km PM2.5: 4.8 µg/m³
35
Lensmannsdalen, Grenland, Norway
3.0 km PM2.5: 8.4 µg/m³
13
Furulund, Grenland, Norway
9.5 km PM2.5: 3.1 µg/m³

Nearby Cities

16 Porsgrunn 32 Skien 15 Larvik 14 Sandefjord 14 Tønsberg 26 Horten 28 Kongsberg 30 Moss 20 Fredrikstad

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T08:09 UTC.