SmogRank / Chile / Valparaiso / Quilpué
Quilpué, month by month
Quilpué has a measured daily mean on 964 days since 15 September 2023. Its worst month was July 2024, at 132 US AQI (48.0 µg/m³), 34th of 2,566 cities on that month's world ranking. Its cleanest was January 2024, at 64 US AQI (16.1 µg/m³). 2025 averaged 81 US AQI (25.2 µg/m³), against 79 US AQI (24.2 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
5 months
| Month | Why |
|---|---|
| Sep 2026 | 15 of 30 days measured; a month needs 21. The others: 5 with no readings from the monitor, 5 with readings for part of the day (a day needs 18 hours), 5 with readings left out by our checks. |
| Oct 2024 | 18 of 31 days measured; a month needs 22. The others: 13 with under 18 hours of readings or readings that failed our checks. |
| Jun 2024 | 12 of 30 days measured; a month needs 21. The others: 18 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. |
| Sep 2023 | 16 of 30 days measured; a month needs 21. |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
Quilpué's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| July 2024 | 13248.0 µg/m³ | 34thof 2,566 | Chile, July 2024 |
| June 2025 | 12244.1 µg/m³ | 61stof 2,508 | – |
| July 2025 | 11842.5 µg/m³ | 46thof 2,889 | – |
| May 2026 | 10637.6 µg/m³ | 116thof 2,874 | – |
| June 2026 | 10537.3 µg/m³ | 96thof 2,497 | – |
| July 2026 | 10235.9 µg/m³ | 85thof 2,784 | – |
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.
Quilpué's worst days
| Day | US AQI | Episode |
|---|---|---|
| 14 Jul 2024 | 16575.8 µg/m³ | Chile, July 2024 |
| 12 Jul 2025 | 16474.5 µg/m³ | – |
| 7 Jun 2024 | 16474.3 µg/m³ | – |
| 13 Jul 2024 | 16474.0 µg/m³ | Chile, July 2024 |
| 20 Jul 2025 | 16473.7 µg/m³ | – |
| 16 Jul 2024 | 16372.3 µg/m³ | – |
| 1 Jun 2024 | 16271.7 µg/m³ | – |
| 29 Jun 2025 | 15967.6 µg/m³ | – |
| 25 May 2026 | 15966.6 µg/m³ | – |
| 18 Jul 2024 | 15764.0 µg/m³ | – |
Daily means, the highest since 15 Sept 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, Quilpué, Chile, 15 Sep 2023 – 11 Oct 2026. Monitor data from Chile - SINCA via OpenAQ; sources listed at smogrank.com/sources. smogrank.com/cl/quilpue/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.
Quilpué now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 22:07 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).