Worst air pollution Paço do Lumiar, today and tomorrow
Today (16 July): Air quality in Paço do Lumiar is fair. AQI, PM2.5, and O3 are fair; PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 3:00 AM (PM2.5: 30.5/100).
Tomorrow (17 July 2026): Air quality in Paço do Lumiar is fair. PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 9:00 PM (PM2.5: 35.6/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Paço do Lumiar's air quality reflects its position on the northern São Luís island coast in Maranhão, with consistent Atlantic trade winds providing reliable maritime ventilation across this rapidly urbanising coastal municipality. Vehicle emissions from the MA-201 and the expanding São Luís metropolitan airport and industrial growth nearby contribute local sources, while the coastal position and consistent northeast trade winds generally maintain moderate readings, and the surrounding São Luís Bay and Baía de São Marcos provide consistent maritime air quality management throughout the year.
Today - 16 July | Pollution peaks at 03:00
AQI:
Fair
30.5/100
PM2.5 (fine particles):
Fair
30.5/100
PM10 (coarse particles):
Good
13.4/100
NO2 (nitrogen dioxide):
Good
0.3/100
O3 (ozone):
Fair
25.2/100
SO2 (sulfur dioxide):
Good
3.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.7/100
PM1 (ultrafine particles):
Good
12.9/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 21:00
AQI:
Fair
35.6/100
PM2.5 (fine particles):
Fair
35.6/100
PM10 (coarse particles):
Good
14.6/100
NO2 (nitrogen dioxide):
Good
0.4/100
O3 (ozone):
Fair
22.1/100
SO2 (sulfur dioxide):
Good
3.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.7/100
PM1 (ultrafine particles):
Fair
23.0/100
Pollen forecast in Paço do Lumiar
View pollen forecastFrequently Asked Questions
Is air quality bad in Paço do Lumiar right now?
On 16 July 2026, overall air quality in Paço do Lumiar is fair. AQI is the main air quality indicator at 30.5/100. Pollution peaks around 3:00 AM (PM2.5: 30.5/100).
Will air quality be worse tomorrow in Paço do Lumiar?
On 17 July 2026, air quality conditions in Paço do Lumiar will be similar to today, with AQI forecast at fair at 35.6/100. Pollution peaks around 9:00 PM (PM2.5: 35.6/100).
When is air pollution at its worst in Paço do Lumiar?
People in Paço do Lumiar tend to notice reduced air quality when restinga coastal scrub and mangrove vegetation pollen peaks, or because of vehicle emissions from the MA-201 and the expanding São Luís metropolitan airport and industrial growth nearby; the rest of the year typically brings clearer, more consistent conditions.
Are air quality levels in Paço do Lumiar based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app