Qualité de l’air à São Paulo

Indice de qualité de l’air (IQA) et pollution de l’air (PM2.5) à São Paulo

DERNIÈRE MISE À JOUR (Heure locale)

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Contributeurs de données sur la qualité de l'air

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Contributeurs

1

Sources de données

1

Le logo du profil de Companhia Ambiental do Estado de São Paulo (CETESB)Le logo du profil de Companhia Ambiental do Estado de São Paulo (CETESB)

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Temps

Quel temps fait-il actuellement à São Paulo?

Icône météo
TempsNuages éparses
Température84.2°C
Humidité42%
Vent17.3 mp/h
Pression1017 mb
La pollution de l'air a coûté environ1,900 morts*à São Paulo en 2021EN SAVOIR PLUS*La pollution de l'air a aussi coûté $930,000,000 USD à São Paulo en 2021

Classement IQA des villes en direct

Classement en direct des principales villes au Brésil

Icône d'info-bulle
#cityIQA US
1 Campinas, Sao Paulo

80

2 Marechal Thaumaturgo, Acre

74

3 Mancio Lima, Acre

72

4 Cruzeiro do Sul, Acre

69

5 Piracicaba, Sao Paulo

68

6 Santos, Sao Paulo

65

7 Rio Claro, Sao Paulo

61

8 Cubatao, Sao Paulo

58

9 Sao Bernardo do Campo, Sao Paulo

53

10 Xapuri, Acre

50

(Heure locale)

CLASSEMENT MONDIAL DE l’IQA

Classement IQA en direct à São Paulo

Classement de la qualité de l’air en direct à São Paulo

Icône d'info-bulle
#stationIQA US
1 Paulínia - Santa Terezinha

70

2 Limeira

68

3 Marginal Tietê - Ponte dos Remédios

65

4 Guaratinguetá

57

5 Santana

50

6 Pinheiros

37

7 Cidade Universitária – USP – Ipen

35

8 Ibirapuera

34

9 Santo Amaro

34

10 Grajaú - Parelheiros

32

(Heure locale)

CLASSEMENT MONDIAL DE l’IQA

IQA US

37

IQA en direct
Bon

Visage humain indiquant le niveau AQI

Vue d’ensemble

Quelle est la qualité de l’air actuellement à São Paulo?

Niveau de pollution de l’airIndice de pollution de l’airPrincipaux polluants
Bon 37 IQA UStrendPM2.5
PolluantsConcentration
PM2.5
9 µg/m³trend
pm10
24 µg/m³trend
o3
64 µg/m³trend
no2
13 µg/m³trend
so2
3 µg/m³
co
572.5 µg/m³trend

Recommandations de santé

Comment se protéger de la pollution de l’air à São Paulo?

Une icône de fenêtre ouverteOpen your windows to bring clean, fresh air indoors
Une icône d'une personne qui fait du véloEnjoy outdoor activities

Prévision

Prévision de l’indice de qualité de l’air (IQA) à São Paulo

JourNiveau de pollutionTempsTempératureVent
dimanche, févr. 28

Bon 37 IQA US

Visage humain indiquant le niveau AQI
lundi, mars 1

Moyen 55 IQA US

Visage humain indiquant le niveau AQI
mardi, mars 2

Moyen 52 IQA US

Visage humain indiquant le niveau AQI
mercredi, mars 3

Moyen 53 IQA US

Visage humain indiquant le niveau AQI
Icône météo84.2°71.6°
Vent tournant à 320 degré

11.2 mp/h

Aujourd’hui

Moyen 54 IQA US

Visage humain indiquant le niveau AQI
Icône météo77°69.8°
Vent tournant à 314 degré

15.7 mp/h

vendredi, mars 5

Bon 43 IQA US

Visage humain indiquant le niveau AQI
Icône météo78.8°68°
Vent tournant à 303 degré

11.2 mp/h

samedi, mars 6

Moyen 69 IQA US

Visage humain indiquant le niveau AQI
Icône météo75.2°66.2°
Vent tournant à 168 degré

2.2 mp/h

dimanche, mars 7

Mauvais pour les personnes sensibles 139 IQA US

Visage humain indiquant le niveau AQI
Icône météo75.2°66.2°
Vent tournant à 176 degré

4.5 mp/h

lundi, mars 8

Mauvais pour la santé 163 IQA US

Visage humain indiquant le niveau AQI
Icône météo80.6°64.4°
Vent tournant à 139 degré

2.2 mp/h

mardi, mars 9

Mauvais pour la santé 170 IQA US

Visage humain indiquant le niveau AQI
Icône météo80.6°68°
Vent tournant à 296 degré

6.7 mp/h

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Historique

Graphique de l’historique de la qualité de l’air à São Paulo

Comment se protéger au mieux de la pollution de l’air?

Réduire votre exposition à la pollution de l’air à São Paulo

ANALYSES ET STATISTIQUES DE LA QUALITé DE L’AIR POUR São Paulo

What is air quality like in Sao Paulo?

Sao Paulo is a city in brazil, located within the state of the same name and being the capital city of said state. It is the most populous city in the whole country, as well as the continent, being the wealthiest region in Brazil and thus its economic and cultural heart.

In regards to the its air quality, Sao Paulo can be examined for its pollution levels over the year of 2019. As a yearly average, its PM2.5 reading was 15.3 μg/m³, placing it within the lower end of the ‘moderate’ pollution bracket, which requires a reading of anywhere between 12.1 to 35.4 μg/m³ to be classified as such. This reading placed it into 9th place out of all cities registered in Brazil, coming in behind other cities such as Santos and Rio Branco, both of which had higher readings of 15.4 μg/m³ and 16 μg/m³, with Campinas city taking the first-place position in 2019 with a PM2.5 reading of 20 μg/m³.

Sao Paulo’s PM2.5 reading of 15.3 μg/m³ placed it into the 1210th place out of all the most polluted cities ranked worldwide. This is a both a fairly respectable pollution reading as well as placing, with pollution levels that are not excessive in nature and with several months out of its year coming in with ‘good’ ratings of pollution.

Despite this, it should be noted that any PM2.5 reading above the World Health Organizations (WHO) target goal of 0 to 10 μg/m³ may have detrimental effects on the health of those exposed. As such, whilst the pollution levels are moderate in nature, they may present some adverse effects for certain portions of the population, such as the young, elderly and those with preexisting illnesses or respiratory conditions.

What are the main causes of air pollution in Sao Paulo?

The main causes of air pollution and contamination seem to emanate from several sources, with some being more prominent than others. The one that appears to have the most prominence, as is seen in many large cities around the world, is that of vehicular fumes and emissions.

This is a problem that is only going to increase as more people migrate into urban areas such as Sao Paulo, not only causing the already high population to rise but also the prevalence of vehicle usage to go up massively.

Whilst vehicles and high levels of traffic are responsible for the elevated pollution levels, not all vehicles release pollution equally, with older and outdated models that run on diesel fuels being worse offenders than their newer counterparts, as well as ‘heavy duty vehicles’ such as trucks, lorries and buses being responsible for elevated emissions.

Other sources of pollution would include particulate matter released from construction sites, the combustion of materials such as wood or plants in any form of open burning site (as is common place in many areas of lower income, due to the use of burning materials for cooking or similar activities), as well as emissions from the many factories found within the city’s limits.

When is the air quality at its worst in Sao Paulo?

Observing the data taken over the last few years, the months that stand out with the worst levels of pollution in Sao Paulo were in the middle portion of the year. The month with the highest levels of PM2.5 was July, with a reading of 20.8 μg/m³. Other times of poorer air quality took place during the surrounding months, with June and September also coming in with elevated readings of 19.8 μg/m³ and 17.8 μg/m³ respectively.

PM2.5 refers to fine particulate matter that is 2.5 micrometers or less in diameter, making it roughly 3% the width of a human hair. Due to its incredibly small size, it has a large number of negative health effects when inhaled, and for this reason it finds great prominence in being used to calculate overall pollution levels in the air, being a major component in determining the US AQI.

When is Sao Paulo air at its cleanest?

The months that came in with the cleanest readings of PM2.5 numbered four in total throughout 2019, with these four months being the only ones that fell beneath the moderate ratings bracket into the good ratings one. They were February, March, November and December.

They all came in with very similar readings, with February and March showing PM2.5 levels of 11.2 μg/m³ and 11.3 μg/m³, only 0.1 unit apart, and November and December showing 11.4 μg/m³ and 11.1 μg/m³.

Although these numbers are still slightly above the WHO’s target goal for clean air, they would be the months of the year where the air would be at its most breathable, and negative health issues that arise from breathing polluted air would be minimal.

What are some health risks from pollution in Sao Paulo?

With a vast number of citizens all commuting across the city, caught in the infamous levels of rush hour traffic, subsequently many people would be exposed to elevated and dangerous levels of pollution, with compounds and materials such as nitrogen dioxide (NO­2) and sulfur dioxide (SO2) being highly present in the air from rush hour fumes, as well as fine particulate matter such as black carbon.

Black carbon in itself has carcinogenic properties, and due to its small size, can penetrate deep into the lung tissues and cause problems to arise. These problems would be scarring or aging of the lungs themselves, reducing their full function and capacity, which in turn would lead to a rise in respiratory ailments such as pneumonia, bronchitis, emphysema as well as aggravated forms of asthma, with nitrogen dioxide being a prominent chemical compound known to trigger off asthma attacks.

Particulate matter, including black carbon and others such as silica dust or toxic metals such as mercury or lead can be released from construction sites and make their way into people’s bodies via the lungs. If these particles are of small enough size (particularly PM2.5), they can penetrate into the blood stream via the alveoli sacs and make their way into the circulatory system, which can cause damage to the blood vessels, instances of ischemic heart disease to occur (whereby the heart fails to receive enough oxygen to its tissues), as well as increased risks of cardiac events such as heart attacks or arrythmias.

These are but a small number of health issues associated with exposure to pollution, therefore stressing the importance of not only countrywide measures in reducing air pollution, but also individual preventative measures such as the wearing of particle filtering masks, as well as avoiding outdoor activity during times of heightened pollution levels.

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