SmogRank / Chile / Santiago Metropolitan / Talagante
Talagante, month by month
Talagante has a measured daily mean on 1,185 days since 1 January 2023. Its worst month was July 2025, at 156 US AQI (62.2 µg/m³), 13th of 3,073 cities on that month's world ranking. Its cleanest was November 2024, at 67 US AQI (17.9 µg/m³). 2025 averaged 94 US AQI (32.4 µg/m³), against 89 US AQI (29.5 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
4 months
| Month | Why |
|---|---|
| Dec 2023 | 16 of 31 days measured; a month needs 22. The others: 15 with under 18 hours of readings or readings that failed our checks. |
| Nov 2023 | No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks. |
| 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.
Talagante's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| July 2025 | 15662.2 µg/m³ | 13thof 3,073 | – |
| June 2025 | 15662.1 µg/m³ | 18thof 3,112 | – |
| July 2024 | 15561.5 µg/m³ | 18thof 2,566 | Chile, July 2024 Southern Chile, 30 June to 1 July 2024 |
| June 2026 | 14754.2 µg/m³ | 37thof 3,235 | – |
| July 2023 | 14151.7 µg/m³ | 15thof 1,432 | – |
| June 2023 | 13549.3 µg/m³ | 24thof 1,603 | – |
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.
Talagante's worst days
| Day | US AQI | Episode |
|---|---|---|
| 14 Jul 2024 | 187107.0 µg/m³ | Chile, July 2024 |
| 8 Jun 2025 | 186106.0 µg/m³ | – |
| 30 Jun 2024 | 185104.0 µg/m³ | Southern Chile, 30 June to 1 July 2024 |
| 12 Jul 2025 | 185104.0 µg/m³ | – |
| 25 May 2026 | 183101.0 µg/m³ | Chile, May 2026 |
| 9 Jun 2025 | 17791.9 µg/m³ | – |
| 18 Jul 2023 | 17691.8 µg/m³ | – |
| 14 Jun 2023 | 17690.7 µg/m³ | – |
| 16 Jul 2024 | 17589.2 µg/m³ | – |
| 1 Jul 2025 | 17488.7 µg/m³ | – |
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, Talagante, Chile, 1 Jan 2023 – 12 Oct 2026. Monitor data from Chile - SINCA via OpenAQ; sources listed at smogrank.com/sources. smogrank.com/cl/talagante/history (accessed 14 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.
Talagante now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-14 03:07 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).