SmogRank / Brazil / São Paulo / Itaquaquecetuba
Itaquaquecetuba, month by month
Itaquaquecetuba has a measured daily mean on 1,318 days since 1 January 2023. Its worst month was September 2024, at 100 US AQI (35.2 µg/m³), 31st of 2,010 cities on that month's world ranking. Its cleanest was January 2026, at 41 US AQI (7.3 µg/m³). 2025 averaged 58 US AQI (12.8 µg/m³), against 68 US AQI (18.2 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
1 month
| Month | Why |
|---|---|
| Mar 2024 | No day measured. The others: 31 with no readings from the monitor. |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
Itaquaquecetuba's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| September 2024 | 10035.2 µg/m³ | 31stof 2,010 | Southern Brazil, 30 September to 4 October 2024 Southern Brazil, 22 to 28 September 2024and 2 more |
| August 2024 | 8829.0 µg/m³ | 49thof 2,010 | Southern Brazil, 30 August to 5 September 2024 Southern Brazil, 22 to 25 August 2024and 1 more |
| June 2024 | 8024.5 µg/m³ | 65thof 2,563 | São Paulo, Minas Gerais and Rio de Janeiro, Brazil, June 2024 Southern Brazil, 20 to 22 June 2024and 2 more |
| July 2024 | 7823.6 µg/m³ | 79thof 2,566 | Southern Brazil, 25 to 28 July 2024 Southern Brazil, 4 to 5 July 2024 |
| June 2023 | 7421.6 µg/m³ | 239thof 1,603 | – |
| July 2023 | 7119.9 µg/m³ | 75thof 1,432 | – |
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.
Itaquaquecetuba's worst days
| Day | US AQI | Episode |
|---|---|---|
| 10 Sept 2024 | 17589.6 µg/m³ | Southern Brazil, 7 to 17 September 2024 |
| 12 Sept 2024 | 16170.1 µg/m³ | Southern Brazil, 7 to 17 September 2024 |
| 20 Aug 2024 | 16169.8 µg/m³ | Southern Brazil, 15 to 22 August 2024 |
| 9 Sept 2024 | 16068.2 µg/m³ | Southern Brazil, 7 to 17 September 2024 |
| 11 Sept 2024 | 15764.7 µg/m³ | Southern Brazil, 7 to 17 September 2024 |
| 17 Aug 2024 | 15763.5 µg/m³ | Southern Brazil, 15 to 22 August 2024 |
| 13 Sept 2024 | 15763.4 µg/m³ | Southern Brazil, 7 to 17 September 2024 |
| 18 Aug 2024 | 15257.6 µg/m³ | Southern Brazil, 15 to 22 August 2024 |
| 8 Sept 2024 | 15257.1 µg/m³ | Southern Brazil, 7 to 17 September 2024 |
| 16 Aug 2024 | 14754.1 µg/m³ | Southern Brazil, 15 to 22 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, Itaquaquecetuba, Brazil, 1 Jan 2023 – 11 Oct 2026. Monitor data from CETESB, read from the publisher; sources listed at smogrank.com/sources. smogrank.com/br/itaquaquecetuba/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.
Itaquaquecetuba now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 20:07 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).