SmogRank / World / Spain / Canary Islands / September 2023

Most unhealthy days in Canary Islands, Spain, September 2023

13 cities in Canary Islands, Spain ranked by their share of unhealthy days over the 30 days. The most unhealthy days: La Orotava, Spain, 1 of 23 measured days. A city needs measurements on 70% of the days to be ranked.

Ranked by unhealthy days: the share of each city's measured days with a daily mean over 35.4 µg/m³ (US AQI 101+), Unhealthy for Sensitive Groups or worse on the US EPA's scale. Ties go to the higher average.

← La Orotava 4% 4%0
Every city in Canary Islands, Spain ranked for September 2023, one column each, ranked by unhealthy days: height is the share of its measured days that were unhealthy, colour its average. Point at it to read a city; tap to open it.
  1. 1La Orotava
    1 of 23
  2. 2Lomo de Arico
    0 of 25
  3. 3Granadilla de Abona
    0 of 24
  4. 4Las Palmas de Gran Canaria
    0 of 25
  5. 5Arrecife
    0 of 26
  6. 6Santa Cruz de Tenerife
    0 of 27
  7. 7Santa Cruz de la Palma
    0 of 23
  8. 8San Sebastián de la Gomera
    0 of 23
  9. 8Puerto del Rosario
    0 of 26
  10. 10San Isidro
    0 of 24
  11. 11Candelaria
    0 of 26
  12. 12Telde
    0 of 26
  13. 13Maspalomas
    0 of 22
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

All cities in the world, September 2023 · All cities in Spain, September 2023 · Canary Islands now

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SmogRank, most polluted cities in Canary Islands, Spain, by unhealthy days, PM2.5, September 2023, smogrank.com/es/region/canary-islands/history/2023-09?by=days (accessed 7 Oct 2026).

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You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.