What is the air quality trend in Franco da Rocha?

Over the past 15 days, Franco da Rocha had an average AQI of 72 based on station measurements. The worst day was 2026-08-04 with AQI 99.

How is Franco da Rocha air quality measured?

Air quality in Franco da Rocha 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 Franco da Rocha, Brazil

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

Historical PM2.5 and AQI trend from monitoring stations near Franco da Rocha, Brazil.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

334h

PM2.5 Station

334h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-08-08	60	53–71	16.5 µg/m³	17.7	6h	1
2026-08-07	40	23–57	9.7 µg/m³	11.2	24h	1
2026-08-06	46	11–102	13.5 µg/m³	16.3	24h	1
2026-08-05	81	15–148	27.4 µg/m³	35.5	24h	1
2026-08-04	99	27–136	34.4 µg/m³	44.8	24h	1
2026-08-03	88	47–131	29.5 µg/m³	35.5	23h	1
2026-08-02	81	34–138	26.2 µg/m³	30.8	24h	1
2026-08-01	82	41–122	26.9 µg/m³	32.5	24h	1
2026-07-31	59	6–91	17.0 µg/m³	17.9	24h	2
2026-07-30	57	15–111	16.9 µg/m³	18.7	24h	1
2026-07-29	56	14–104	16.9 µg/m³	20.3	24h	1
2026-07-28	86	24–132	28.8 µg/m³	36.3	24h	1
2026-07-27	88	36–127	29.6 µg/m³	36.4	24h	1
2026-07-26	75	37–120	23.7 µg/m³	27.8	24h	1
2026-07-25	89	52–110	30.1 µg/m³	36.3	17h	1

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