SmogRank / World / Europe / Norway / Vestland
Most polluted cities in Vestland, Norway
No city in Vestland, Norway has enough readings to rank so far this year.
A city joins this ranking with enough days of readings so far this year; none here has that right now, so there is nothing to map or chart.
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+
The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales
Bad-air episodes in Vestland
- Europe, 1 to 12 March 202612 days532 cities109 µg/m³peak, Radomsko
- Southern Norway, 5 to 10 January 20246 days14 cities92 µg/m³peak, Fredrikstad
Times when many cities around here had PM2.5 at twice their usual or more on the same days.
Updated 2026-10-06 23:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.