What is the air quality trend in Serra?

Over the past 15 days, Serra had an average AQI of 72 based on station measurements. The worst day was 2026-05-24 with AQI 99.

How is Serra air quality measured?

Air quality in Serra 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 Serra, Brazil

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

Historical PM2.5 and AQI trend from monitoring stations near Serra, Brazil.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

307h

PM2.5 Station

307h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	63	21–159	20.4 µg/m³	12h	3
2026-05-29	54	20–159	15.8 µg/m³	20h	3
2026-05-28	60	17–104	18.3 µg/m³	22h	3
2026-05-27	69	17–173	22.9 µg/m³	24h	3
2026-05-26	78	32–162	25.9 µg/m³	21h	3
2026-05-25	69	9–205	27.8 µg/m³	21h	3
2026-05-24	99	19–173	36.4 µg/m³	22h	3
2026-05-23	89	9–331	39.8 µg/m³	24h	3
2026-05-22	70	13–184	27.1 µg/m³	23h	3
2026-05-21	70	12–424	36.0 µg/m³	23h	3
2026-05-20	74	11–157	24.7 µg/m³	21h	3
2026-05-19	98	24–407	51.7 µg/m³	21h	3
2026-05-18	68	30–179	23.3 µg/m³	24h	3
2026-05-17	57	13–167	18.7 µg/m³	21h	3
2026-05-16	71	25–151	22.9 µg/m³	8h	2

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