What is the air quality trend in San Sebastián el Grande?

Over the past 14 days, San Sebastián el Grande had an average AQI of 48 based on station measurements. The worst day was 2026-05-27 with AQI 61.

How is San Sebastián el Grande air quality measured?

Air quality in San Sebastián el Grande 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 Sebastián el Grande, Mexico

Name: San Sebastián el Grande 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 Sebastián el Grande, Mexico.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

324h

PM2.5 Station

324h · 7 stations

Temperature GFS model

56pt

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	23h	4

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