SmogRank / Scales / European AQI
European AQI for PM2.5
Published by the European Environment Agency (EEA). The European Air Quality Index, for the EEA's member and cooperating countries; it gives bands, not a number, and its cut-offs were lowered in 2024.
The European Environment Agency's air quality index bands for PM2.5 (2024 revision); it has bands, not numbers, so values stay in µg/m³. Show SmogRank's numbers in European AQI; you can change it under any chart.
Convert a reading
Set at 6.1 µg/m³, the middle of the 2515 cities on the 24-hour board.
Try 15.0 µg/m³ (the WHO's 24-hour guideline) or 102.6 µg/m³ (eManzimtoti over the last 24 hours).
Its bands
Good
up to 5 µg/m³
Usual outdoor activity is fine for everyone.
Under the WHO's 24-hour guideline (15 µg/m³).
Fair
over 5 to 15 µg/m³
Still fine for usual outdoor activity.
Takes in the WHO's 24-hour guideline (15 µg/m³).
Moderate
over 15 to 50 µg/m³
Sensitive people who notice symptoms are advised to ease off hard outdoor effort.
Over the WHO's 24-hour guideline (15 µg/m³) all the way.
Poor
over 50 to 90 µg/m³
Sensitive people are advised to do less, outdoors above all; others who notice symptoms to ease off.
Over the WHO's 24-hour guideline (15 µg/m³) all the way.
Very poor
over 90 to 140 µg/m³
Sensitive people are advised to avoid outdoor effort, and everyone else to do less.
Over the WHO's 24-hour guideline (15 µg/m³) all the way.
Extremely poor
over 140 µg/m³
Everyone is advised to cut physical activity, and sensitive people to avoid it outdoors.
Over the WHO's 24-hour guideline (15 µg/m³) all the way.
No measured city in this band on the 24-hour board now.
The meanings above are ours, in short. The publisher's own advice for each band: the European Environment Agency (EEA).
Each scale here is its PM2.5 part only. Official indexes take the worst of several pollutants, so a city's official number can be higher. The scales are defined on 24-hour means (AQHI+ on hourly ones); how we use them.
Other scales
US AQI · India AQI · China AQI · UK DAQI · Canada AQHI+. Every scale side by side.
Nothing on SmogRank is medical advice. For health guidance during bad air, follow your local health authority.