Belém: Air Pollution Today — AQI Index, PM2.5/PM10, Smog Alerts and Forecast

Latest air quality data: Belém

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Pollution and air quality forecast for Belém. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Belém:

particulate matter (PM2.5) dust - 12 (Good)
particulate matter (PM10) suspended dust - 17 (Good)
ozone (O3) - 48 (Good)
nitrogen dioxide (NO2) - 4 (Good)
sulfur dioxide (SO2) - 1 (Good)
carbon monoxide (CO) - 142 (Good)

Real-time Air Quality Index (AQI) for Belém, Wednesday, August 26, 2026: 1.

AQI 1 Good

What is the air quality in Belém today? Is the air polluted in Belém?. Is there smog?

Today (Wednesday, August 26, 2026) air quality is good. The air quality has no effect on health. Everyone can continue their outdoor activities normally in Belém.

What is the current level of PM2.5 in Belém? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 12 (Good) For comparison, the highest level of PM2.5 in Belém in the last 7 days was: 13 (Tuesday, August 25, 2026) and the lowest: 7 (Sunday, August 23, 2026).

What is the level of PM10 today in Belém? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Belém is: 17 (Good)

How is the O3 level today in Belém? (ozone (O3))
48 (Good)

How high is the level of NO2? (nitrogen dioxide (NO2))
4 (Good)

What is the level of SO2 pollution? (sulfur dioxide (SO2))
1 (Good)

How high is the CO level? (carbon monoxide (CO))
142 (Good)

Current data Wednesday, August 26, 2026 at 10:00 PM

PM2,5 12 (Good)

PM10 17 (Good)

O3 48 (Good)

NO2 4 (Good)

SO2 1 (Good)

CO 142 (Good)

Data on air pollution from recent days in Belém

index	2026-08-26	2026-08-25	2026-08-24	2026-08-23	2026-08-22	2026-08-21	2026-08-20	2026-08-19
pm25	10 Good	13 Moderate	10 Good	7 Good	8 Good	7 Good	11 Good	11 Good
pm10	13 Good	16 Good	12 Good	9 Good	10 Good	8 Good	14 Good	14 Good
o3	59 Good	53 Good	44 Good	52 Good	55 Good	51 Good	56 Good	54 Good
no2	3 Good	4 Good	4 Good	2 Good	3 Good	4 Good	4 Good	5 Good
so2	1 Good	2 Good	2 Good	1 Good	1 Good	1 Good	1 Good	1 Good
co	153 Good	188 Good	214 Good	149 Good	116 Good	127 Good	136 Good	159 Good

data source »

Quality of life in Belém

Green and Parks in the City

Belém 25%

Paraguay: 46% Bolivia: 55% Montenegro: 53% Suriname: 40% Uruguay: 65%

Pleasure of spending time in the city

Belém 47%

Paraguay: 49% Bolivia: 40% Montenegro: 69% Suriname: 63% Uruguay: 67%

Air Pollution

Belém 19%

Paraguay: 56% Bolivia: 64% Montenegro: 40% Suriname: 39% Uruguay: 29%

Garbage Disposal

Belém 14%

Paraguay: 30% Bolivia: 34% Montenegro: 42% Uruguay: 34%

Availability and quality of drinking water

Belém 34%

Paraguay: 57% Montenegro: 71% Suriname: 64% Uruguay: 73%

Cleanliness and tidiness

Belém 13%

Paraguay: 26% Bolivia: 32% Montenegro: 51% Suriname: 36% Uruguay: 38%

Noise and Light pollution

Belém 72%

Paraguay: 52% Bolivia: 59% Montenegro: 32% Suriname: 34% Uruguay: 48%

Water Pollution

Belém 94%

Paraguay: 65% Bolivia: 66% Montenegro: 38% Suriname: 57% Uruguay: 46%

Source: Numbeo

Belém

Wednesday, August 26, 2026 at 10:00 PM

PM2,5 12 (Good)

particulate matter (PM2.5) dust

PM10 17 (Good)

particulate matter (PM10) suspended dust

O3 48 (Good)

ozone (O3)

NO2 3.9 (Good)

nitrogen dioxide (NO2)

SO2 1.4 (Good)

sulfur dioxide (SO2)

CO 142 (Good)

carbon monoxide (CO)

Belém

index	2026-08-19	2026-08-20	2026-08-21	2026-08-22	2026-08-23	2026-08-24	2026-08-25	2026-08-26
pm25	11	11	6.5	7.9	7.3	9.6	13	10
pm10	14	14	8.4	10	9.4	12	16	13
o3	54	56	51	55	52	44	53	59
no2	4.6	3.8	3.6	2.7	2.5	4.2	4.3	3.1
so2	1.5	1.5	1.3	1.1	1.1	1.7	1.7	1.3
co	159	136	127	116	149	214	188	153

* Pollution data source: https://openaq.org () The data is licensed under CC-By 4.0

🌦️ Weather · 16-day Forecast — Belém

16-day weather forecast for Belém: today around 33°C (rain), lows near 23°C. Daily temperature and conditions, updated every day. A moderate breeze (about 17 km/h) is partially dispersing pollutants today.

☀️ UV Index · 16-day Forecast — Belém

The UV index in Belém today is 8.8 (very high) — unprotected fair skin can burn in about 25 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Belém — compare nearby locations.

Teresina 21 µg/m³
ParamariboSuriname 8 µg/m³
Fortaleza 11 µg/m³
Manaus 16 µg/m³
Natal 9 µg/m³
Brasília 16 µg/m³
São Paulo 62 µg/m³
Rio de Janeiro 23 µg/m³

Frequently asked questions

Is the air safe to breathe in Belém today?

The current average PM2.5 across Belém is about 12 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Belém?

Right now PM2.5 in Belém averages about 12 µg/m³ (“Good”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which day last week had the worst air in Belém?

Over the past week, the highest daily PM2.5 in Belém was recorded on Tuesday, August 25 (about 13 µg/m³).

What is the UV index in Belém today?

The UV index in Belém today is 8.8 (very high) — unprotected fair skin can burn in about 25 minutes.

Does today's wind help disperse smog in Belém?

A moderate breeze (about 17 km/h) is partially dispersing pollutants today.

How is air quality measured?

Air quality here is based on PM2.5 — the concentration of fine particulate matter in µg/m³. Lower values mean cleaner air. Data is updated daily from Open-Meteo.