SmogRank / Peru / Lima region / Santa Anita - Los Ficus

Santa Anita - Los Ficus, month by month

Santa Anita - Los Ficus has a measured daily mean on 1,032 days since 1 January 2023. Its worst month was May 2025, at 161 US AQI (70.4 µg/m³), 5th of 2,826 cities on that month's world ranking. Its cleanest was March 2025, at 64 US AQI (16.0 µg/m³). 2025 averaged 96 US AQI (33.1 µg/m³), against 96 US AQI (33.3 µg/m³) in 2024.

Every month since 2023

202683 so far207 days measured242nd of 2,791 in the world
Jan72#392Feb66#665Mar83#378Apr96#189May98#136Jun88#159Jul10 daysAug9 daysSep6 daysOct5 days
202596 for the year320 days measured133rd of 2,681 in the world
202496 for the year346 days measured36th of 2,097 in the world
2023too few days for a mean (a year needs 256)159 days measured
Jan64#225Feb3 daysMar8 daysApr14 daysMaynoneJun20 daysJul20 daysAug96#49Sep90#37Oct16 daysNov5 daysDecnone
Each square is a month's mean PM2.5 in US AQI from Santa Anita - Los Ficus's measured days, with its place on that month's world ranking under it. A month has a mean once 70% of its days are measured, the rule the monthly rankings use; under that, the square gives the days measured. Each square opens that month's ranking with Santa Anita - Los Ficus marked; each year, the year's.
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

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

15 months
MonthWhy
Oct 20265 of 11 days measured; a month needs 8. The others: 6 with readings for part of the day (a day needs 18 hours).
Sep 20266 of 30 days measured; a month needs 21. The others: 24 with readings for part of the day (a day needs 18 hours).
Aug 20269 of 31 days measured; a month needs 22. The others: 22 with under 18 hours of readings or readings that failed our checks.
Jul 202610 of 31 days measured; a month needs 22. The others: 21 with under 18 hours of readings or readings that failed our checks.
Jun 202519 of 30 days measured; a month needs 21. The others: 11 with under 18 hours of readings or readings that failed our checks.
Mar 202420 of 31 days measured; a month needs 22. The others: 11 with under 18 hours of readings or readings that failed our checks.
Dec 2023No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Nov 20235 of 30 days measured; a month needs 21. The others: 25 with under 18 hours of readings or readings that failed our checks.
Oct 202316 of 31 days measured; a month needs 22. The others: 15 with under 18 hours of readings or readings that failed our checks.
Jul 202320 of 31 days measured; a month needs 22. The others: 1 missing from OpenAQ's archive, 10 with under 18 hours of readings or readings that failed our checks.
Jun 202320 of 30 days measured; a month needs 21. The others: 10 with under 18 hours of readings or readings that failed our checks.
May 2023No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Apr 202314 of 30 days measured; a month needs 21. The others: 3 missing from OpenAQ's archive, 13 with under 18 hours of readings or readings that failed our checks.
Mar 20238 of 31 days measured; a month needs 22. The others: 20 missing from OpenAQ's archive, 3 with under 18 hours of readings or readings that failed our checks.
Feb 20233 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.

Santa Anita - Los Ficus's worst months

MonthUS AQIDays measuredWorld rank
May 2025 16170.4 µg/m³25 of 315thof 2,826
June 2024 15662.3 µg/m³30 of 304thof 2,563
May 2024 15156.2 µg/m³30 of 3124thof 2,684
September 2025 12244.1 µg/m³23 of 3023rdof 3,104
July 2025 12043.2 µg/m³31 of 3144thof 2,889
July 2024 11541.1 µg/m³31 of 3142ndof 2,566

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.

Santa Anita - Los Ficus's worst days

DayUS AQI
2 Jun 2025 188108.0 µg/m³
28 May 2025 183101.0 µg/m³
2 Jul 2025 17996.0 µg/m³
1 Jun 2025 17995.8 µg/m³
3 Jun 2025 17995.0 µg/m³
22 May 2025 17791.9 µg/m³
3 Jul 2025 17690.5 µg/m³
23 May 2024 17590.3 µg/m³
4 Jul 2025 17590.2 µg/m³
20 Jun 2024 17589.2 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, Santa Anita - Los Ficus, Peru, 1 Jan 2023 – 10 Oct 2026. Monitor data from Senamhi via OpenAQ; sources listed at smogrank.com/sources. smogrank.com/pe/santa-anita-los-ficus/history (accessed 12 Oct 2026).

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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.

Santa Anita - Los Ficus now: the last 24 hours, its ranks today and the last 12 months day by day.

Updated 2026-10-12 19:07 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).