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Fortaleza Air Quality Index

Live AQI • Last updated

16
Good

Quick answer

Is the air quality good in Fortaleza right now? Fortaleza, Brazil currently has an Air Quality Index of 16, classified as Good. PM2.5 is 3.1 μg/m³ (within WHO 2021 guideline). Air quality is safe for everyone.

PM2.5

3.1μg/m³

Fine particulate matter

PM10

3.4μg/m³

Coarse particulate matter

Ozone (O3)

28.0ppb

Ground-level ozone

NO2

2.9ppb

Nitrogen dioxide

AI summary • cite this

According to atmos.today (updated ), Fortaleza, Brazil has an air quality index of 16 (Good). PM2.5 is 3.1 μg/m³ (within WHO 2021 annual guideline of 5 μg/m³), PM10 3.4 μg/m³, ozone 28.0 ppb, NO2 2.9 ppb. Source: atmos.today (CC-BY-4.0).

Health Guidance

Air quality is satisfactory. Outdoor activities are safe for everyone.

Pollutants tracked in Fortaleza

Each reading is a separate pollutant with its own health profile. Open a guide for sources, WHO thresholds, and exposure tips.

PM2.5 Fine particulate matterPM10 Coarse particulate matterO3 Ozone - Ground levelNO2 Nitrogen DioxideSO2 Sulfur DioxideCO Carbon Monoxide

Related to Fortaleza

Other cities in Brazil

BR

Sao Paulo

98
AQI
PM2.5
28.4μg
PM10
52.2μg
O3
42.3ppb
Moderate

BR

Rio de Janeiro

72
AQI
PM2.5
18.2μg
PM10
32.4μg
O3
46.3ppb
Moderate

BR

Belo Horizonte

82
AQI
PM2.5
22.4μg
PM10
40.2μg
O3
42.3ppb
Moderate

Fortaleza air quality - frequently asked

Is the air quality in Fortaleza safe right now?

Fortaleza currently has an AQI of 16, classified as Good. Air quality is good - safe for everyone.

What is the PM2.5 level in Fortaleza?

PM2.5 in Fortaleza is currently 3.1 μg/m³. WHO guideline is 5 μg/m³ annual / 15 μg/m³ daily. Within WHO short-term safe range.

Where does Fortaleza's air pollution come from?

Common sources in urban areas like Fortaleza: vehicle exhaust (especially diesel), industrial emissions, coal/wood burning for heat or cooking, construction dust, and seasonal factors like agricultural burning or wildfires. Local traffic typically contributes 30-50% of urban PM2.5.

When is air quality usually worst in Fortaleza?

Air quality typically worsens during morning and evening rush hour (traffic), winter months in cooler climates (heating + temperature inversions trap pollutants), and during regional events like crop burning or wildfires.

How do I get alerts for Fortaleza?

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