Knarrdalstranda, Grenland, Norway Air Quality

Monitoring Station · Porsgrunn, Norway
3
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
30 12pm
25
44
3 3pm
25
25
25 6pm
25
25
25 9pm
25
25
25 12am
25
25
— 3am
—
—
— 6am
—
—
— 9am
—
—
Station readings
30
44
3
CAMS model adj +1
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24

Air Quality Forecast (24h)

PM2.50.7 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

29
Sverresgate, Grenland, Norway
1.8 km PM2.5: 7.0 µg/m³
29
Lensmannsdalen, Grenland, Norway
3.0 km PM2.5: 7.0 µg/m³
25
Furulund, Grenland, Norway
9.5 km PM2.5: 6.0 µg/m³

Nearby Cities

25 Porsgrunn 30 Skien 26 Larvik 31 Sandefjord 29 Tønsberg 28 Horten 30 Kongsberg 28 Moss 22 Fredrikstad

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-10T15:57 UTC.