What is the air quality trend in San Francisco Tesistán?

Over the past 20 days, San Francisco Tesistán had an average AQI of 49 based on station measurements. The worst day was 2026-05-27 with AQI 61.

How is San Francisco Tesistán air quality measured?

Air quality in San Francisco Tesistán 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 Tesistán, Mexico

Name: San Francisco Tesistán 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 Tesistán, Mexico.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

463h

PM2.5 Station

463h · 7 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-28	42	19–70	10.5 µg/m³	24h	3
2026-05-27	61	6–403	27.9 µg/m³	22h	3
2026-05-26	43	26–93	10.9 µg/m³	23h	3
2026-05-25	48	26–83	12.5 µg/m³	24h	4
2026-05-24	41	6–63	10.4 µg/m³	24h	3
2026-05-23	44	14–81	10.9 µg/m³	24h	3
2026-05-22	50	10–84	12.9 µg/m³	24h	4
2026-05-21	44	23–68	11.0 µg/m³	23h	3
2026-05-20	44	14–80	11.7 µg/m³	24h	4
2026-05-19	59	23–133	16.8 µg/m³	24h	4
2026-05-18	52	5–196	17.1 µg/m³	24h	3
2026-05-17	47	25–125	12.6 µg/m³	21h	3
2026-05-16	45	5–73	11.6 µg/m³	20h	4
2026-05-15	55	25–85	15.2 µg/m³	24h	4
2026-05-14	53	11–93	14.8 µg/m³	22h	3
2026-05-13	55	16–90	15.4 µg/m³	24h	4
2026-05-12	44	18–69	11.2 µg/m³	24h	4
2026-05-11	53	30–77	14.5 µg/m³	22h	4
2026-05-10	58	20–81	16.6 µg/m³	24h	4
2026-05-09	56	32–92	15.6 µg/m³	22h	4

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