What is the air quality trend in San Antonio de la Cal?

Over the past 18 days, San Antonio de la Cal had an average AQI of 48 based on station measurements. The worst day was 2026-05-21 with AQI 80.

How is San Antonio de la Cal air quality measured?

Air quality in San Antonio de la Cal 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 Antonio de la Cal, Mexico

Name: San Antonio de la Cal 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 Antonio de la Cal, Mexico.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

392h

PM2.5 Station

392h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-06-06	25	25–25	6.0 µg/m³	29.5	2h	1
2026-06-05	30	8–57	7.3 µg/m³	15.4	24h	1
2026-06-04	32	12–105	8.2 µg/m³	13.0	24h	1
2026-06-03	39	21–66	9.8 µg/m³	19.1	24h	1
2026-06-02	46	25–61	11.5 µg/m³	22.0	24h	1
2026-06-01	33	12–59	8.0 µg/m³	15.7	20h	1
2026-05-31	37	17–66	9.2 µg/m³	19.2	24h	1
2026-05-30	43	4–74	11.2 µg/m³	27.9	24h	1
2026-05-29	43	25–61	10.6 µg/m³	23.0	24h	1
2026-05-28	53	21–78	14.2 µg/m³	28.8	24h	1
2026-05-27	61	38–89	17.1 µg/m³	26.8	24h	1
2026-05-26	55	29–72	14.6 µg/m³	26.9	24h	1
2026-05-25	60	25–84	17.0 µg/m³	32.0	24h	1
2026-05-24	42	8–74	11.1 µg/m³	17.0	24h	1
2026-05-23	64	42–112	18.4 µg/m³	32.4	24h	1
2026-05-22	56	12–84	15.7 µg/m³	23.7	23h	1
2026-05-21	80	61–110	25.8 µg/m³	44.9	24h	1
2026-05-20	79	57–102	25.2 µg/m³	39.1	11h	1

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