What is the air quality trend in Miami?

Over the past 14 days, Miami had an average AQI of 32 based on station measurements. The worst day was 2026-10-08 with AQI 54.

How is Miami air quality measured?

Air quality in Miami 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 Miami, United States

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

Historical PM2.5 and AQI trend from monitoring stations near Miami, United States.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

332h

PM2.5 Station

332h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-20	31	16–127	8.2 µg/m³	21h	3
2026-10-19	20	10–37	4.8 µg/m³	24h	2
2026-10-18	25	11–51	5.9 µg/m³	24h	3
2026-10-17	23	14–48	5.6 µg/m³	24h	3
2026-10-16	28	10–138	7.5 µg/m³	24h	2
2026-10-15	20	9–51	4.8 µg/m³	24h	2
2026-10-14	32	16–93	8.4 µg/m³	24h	2
2026-10-13	31	11–57	7.6 µg/m³	24h	3
2026-10-12	33	17–84	8.3 µg/m³	24h	3
2026-10-11	40	15–152	11.1 µg/m³	24h	3
2026-10-10	28	14–63	6.9 µg/m³	23h	2
2026-10-09	44	18–127	11.9 µg/m³	24h	3
2026-10-08	54	20–92	15.0 µg/m³	24h	3
2026-10-07	46	15–80	12.2 µg/m³	24h	3

Back to Miami Air Quality