What is the air quality trend in San Francisco Acuautla?

Over the past 20 days, San Francisco Acuautla had an average AQI of 44 based on station measurements. The worst day was 2026-05-18 with AQI 65.

How is San Francisco Acuautla air quality measured?

Air quality in San Francisco Acuautla is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for San Francisco Acuautla, Mexico

Name: San Francisco Acuautla Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near San Francisco Acuautla, Mexico.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

476h

PM2.5 Station

476h · 16 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-28	39	24–58	9.6 µg/m³	24h	24
2026-05-27	45	27–64	11.3 µg/m³	24h	22
2026-05-26	46	30–73	11.8 µg/m³	24h	23
2026-05-25	46	28–71	11.7 µg/m³	24h	23
2026-05-24	40	26–61	9.8 µg/m³	24h	22
2026-05-23	53	33–71	13.9 µg/m³	24h	25
2026-05-22	50	35–72	12.7 µg/m³	24h	27
2026-05-21	49	32–73	12.4 µg/m³	24h	24
2026-05-20	47	32–83	12.2 µg/m³	24h	23
2026-05-19	54	33–69	14.2 µg/m³	24h	25
2026-05-18	65	38–117	18.6 µg/m³	24h	25
2026-05-17	55	42–76	14.5 µg/m³	23h	22
2026-05-16	41	2–70	10.2 µg/m³	22h	20
2026-05-15	41	24–57	9.9 µg/m³	24h	23
2026-05-14	38	28–54	9.1 µg/m³	24h	23
2026-05-13	41	28–61	9.9 µg/m³	24h	23
2026-05-12	37	24–55	8.9 µg/m³	24h	22
2026-05-11	39	23–56	9.5 µg/m³	24h	23
2026-05-10	35	27–46	8.5 µg/m³	24h	20
2026-05-09	36	26–49	8.7 µg/m³	23h	22

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