What is the air quality trend in San Mateo Atenco?

Over the past 21 days, San Mateo Atenco had an average AQI of 47 based on station measurements. The worst day was 2026-05-08 with AQI 65.

How is San Mateo Atenco air quality measured?

Air quality in San Mateo Atenco 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 Mateo Atenco, Mexico

Name: San Mateo Atenco 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 Mateo Atenco, Mexico.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

475h

PM2.5 Station

475h · 11 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-28	43	18–84	11.3 µg/m³	21h	9
2026-05-27	40	17–58	9.8 µg/m³	24h	8
2026-05-26	43	30–67	10.7 µg/m³	24h	9
2026-05-25	42	27–65	10.4 µg/m³	24h	9
2026-05-24	40	21–70	10.0 µg/m³	24h	8
2026-05-23	46	26–85	11.5 µg/m³	24h	8
2026-05-22	51	28–69	13.0 µg/m³	24h	10
2026-05-21	48	18–92	12.6 µg/m³	24h	9
2026-05-20	50	26–160	14.1 µg/m³	24h	8
2026-05-19	57	25–102	15.9 µg/m³	24h	10
2026-05-18	62	34–83	17.4 µg/m³	24h	9
2026-05-17	56	38–78	14.8 µg/m³	23h	8
2026-05-16	37	9–58	9.1 µg/m³	21h	8
2026-05-15	46	24–71	11.6 µg/m³	24h	8
2026-05-14	40	22–56	9.7 µg/m³	24h	9
2026-05-13	44	26–58	10.8 µg/m³	24h	8
2026-05-12	37	25–66	9.2 µg/m³	24h	8
2026-05-11	42	30–61	10.2 µg/m³	24h	9
2026-05-10	49	23–68	12.6 µg/m³	24h	8
2026-05-09	49	33–77	12.5 µg/m³	24h	8
2026-05-08	65	64–66	18.9 µg/m³	2h	8

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