SmogRank / Brazil / São Paulo / Presidente Prudente
Presidente Prudente, month by month
Presidente Prudente has a measured daily mean on 694 days since 3 July 2024. Its worst month was October 2024, at 70 US AQI (19.2 µg/m³), 134th of 2,020 cities on that month's world ranking. Its cleanest was April 2025, at 28 US AQI (5.1 µg/m³).
Every month since 2024
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
6 months
| Month | Why |
|---|---|
| May 2026 | 13 of 31 days measured; a month needs 22. The others: 16 with no readings from the monitor, 2 with readings for part of the day (a day needs 18 hours). |
| Mar 2025 | 21 of 31 days measured; a month needs 22. The others: 2 with no readings from the monitor, 8 with readings for part of the day (a day needs 18 hours). |
| Feb 2025 | 13 of 28 days measured; a month needs 20. The others: 9 with no readings from the monitor, 6 with readings for part of the day (a day needs 18 hours). |
| Jan 2025 | 7 of 31 days measured; a month needs 22. The others: 23 with no readings from the monitor, 1 with readings for part of the day (a day needs 18 hours). |
| Nov 2024 | No day measured. The others: 30 with no readings from the monitor. |
| Sep 2024 | 20 of 30 days measured; a month needs 21. The others: 10 with no readings from the monitor. |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
Presidente Prudente's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| October 2024 | 7019.2 µg/m³ | 134thof 2,020 | São Paulo and Paraná, Brazil, October 2024 Southern Brazil, 30 September to 4 October 2024 |
| August 2024 | 6818.2 µg/m³ | 118thof 2,010 | Southern Brazil, 15 to 22 August 2024 |
| July 2024 | 5812.9 µg/m³ | 312thof 2,566 | – |
| September 2025 | 5611.6 µg/m³ | 500thof 3,104 | – |
| April 2026 | 5511.4 µg/m³ | 768thof 2,941 | – |
| August 2026 | 5511.0 µg/m³ | 699thof 2,896 | – |
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.
Presidente Prudente's worst days
| Day | US AQI | Episode |
|---|---|---|
| 26 Sept 2024 | 13348.5 µg/m³ | Southern Brazil, 22 to 28 September 2024 |
| 14 Sept 2024 | 12344.4 µg/m³ | Southern Brazil, 7 to 17 September 2024 |
| 23 Sept 2024 | 12243.9 µg/m³ | Southern Brazil, 22 to 28 September 2024 |
| 8 Oct 2024 | 11842.5 µg/m³ | São Paulo and Paraná, Brazil, October 2024 |
| 2 Oct 2024 | 11842.4 µg/m³ | Southern Brazil, 30 September to 4 October 2024 |
| 9 Oct 2024 | 11842.4 µg/m³ | São Paulo and Paraná, Brazil, October 2024 |
| 13 Sept 2024 | 11039.0 µg/m³ | Southern Brazil, 7 to 17 September 2024 |
| 12 Sept 2024 | 10838.4 µg/m³ | Southern Brazil, 7 to 17 September 2024 |
| 11 Sept 2024 | 10637.6 µg/m³ | Southern Brazil, 7 to 17 September 2024 |
| 24 Sept 2024 | 9935.0 µg/m³ | Southern Brazil, 22 to 28 September 2024 |
Daily means, the highest since 3 Jul 2024; 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, Presidente Prudente, Brazil, 3 Jul 2024 – 11 Oct 2026. Monitor data from CETESB, read from the publisher; sources listed at smogrank.com/sources. smogrank.com/br/presidente-prudente/history (accessed 13 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.
Presidente Prudente now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-13 02:07 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).