SmogRank / Chile / Los Lagos Region / Puerto Varas
Puerto Varas, month by month
Puerto Varas has a measured daily mean on 1,255 days since 1 January 2023. Its worst month was July 2026, at 175 US AQI (90.3 µg/m³), 4th of 2,784 cities on that month's world ranking. Its cleanest was January 2025, at 60 US AQI (13.8 µg/m³). 2025 averaged 110 US AQI (39.2 µg/m³), against 116 US AQI (41.7 µg/m³) in 2024.
Every month since 2023
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
Months without a mean, and why
2 months
| Month | Why |
|---|---|
| Mar 2023 | 11 of 31 days measured; a month needs 22. The others: 20 missing from OpenAQ's archive. |
| Feb 2023 | 3 of 28 days measured; a month needs 20. The others: 25 missing from OpenAQ's archive. |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
Puerto Varas's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| July 2026 | 17590.3 µg/m³ | 4thof 2,784 | Southern Chile, July 2026 |
| May 2024 | 16980.8 µg/m³ | 9thof 2,684 | South-western Chile, 24 to 28 May 2024 South-western Chile, 14 to 19 May 2024and 1 more |
| July 2024 | 16778.7 µg/m³ | 9thof 2,566 | Southern Chile, July 2024 |
| August 2024 | 16271.2 µg/m³ | 3rdof 2,010 | Southern Chile, 12 to 13 August 2024 Southern Chile, 7 to 9 August 2024 |
| June 2023 | 16270.6 µg/m³ | 4thof 1,603 | South-western Chile, June 2023 |
| June 2025 | 16068.2 µg/m³ | 11thof 2,508 | Southern Chile, 29 June to 4 July 2025 |
Monthly means over the days measured; finished months only. World rank: its place on that month's world ranking of every city with enough days. Each month opens that ranking.
Puerto Varas's worst days
| Day | US AQI | Episode |
|---|---|---|
| 5 Jul 2026 | 479315.0 µg/m³ | Southern Chile, July 2026 |
| 4 Jul 2026 | 298223.0 µg/m³ | Southern Chile, July 2026 |
| 17 May 2024 | 297222.0 µg/m³ | South-western Chile, 14 to 19 May 2024 |
| 28 May 2025 | 294219.0 µg/m³ | – |
| 6 Jul 2026 | 292217.0 µg/m³ | Southern Chile, July 2026 |
| 20 Jun 2023 | 287212.0 µg/m³ | South-western Chile, June 2023 |
| 6 Jul 2024 | 287212.0 µg/m³ | – |
| 10 Jul 2023 | 285210.0 µg/m³ | – |
| 22 Jul 2026 | 280205.0 µg/m³ | – |
| 7 Aug 2024 | 277202.0 µg/m³ | Southern Chile, 7 to 9 August 2024 |
Daily means, the highest since 1 Jan 2023; the WHO's daily guideline is 15 µg/m³. Each date opens that day's world ranking, and each episode the bad-air spell it was part of.
Use this history
SmogRank, PM2.5 monthly and daily means, Puerto Varas, Chile, 1 Jan 2023 – 11 Oct 2026. Monitor data from Chile - SINCA via OpenAQ; sources listed at smogrank.com/sources. smogrank.com/cl/puerto-varas/history (accessed 12 Oct 2026).
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.
Puerto Varas now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 21:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index. Some low-cost readings: Sensor.Community, ODbL (data and licence). Some readings: Uzhydromet (Uzbekistan's Hydrometeorological Service); Department of Environment, Nepal; Vietnam's government monitors; Aurassure; Umhverfisstofnun (Environment Agency of Iceland); RMCAB (Secretaría Distrital de Ambiente, Bogotá); Love My Air (City and County of Denver), no reuse terms published (why we use them).