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

Latest air quality data: Nova Iguaçu

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

particulate matter (PM2.5) dust - 21 (Moderate)
particulate matter (PM10) suspended dust - 23 (Moderate)
ozone (O3) - 26 (Good)
nitrogen dioxide (NO2) - 46 (Moderate)
sulfur dioxide (SO2) - 10 (Good)
carbon monoxide (CO) - 526 (Good)

Real-time Air Quality Index (AQI) for Nova Iguaçu, Wednesday, August 26, 2026: 2.

AQI 2 Moderate

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

Today (Wednesday, August 26, 2026) air quality is moderate in Nova Iguaçu. Some pollutants in Nova Iguaçu may slightly affect very few hypersensitive individuals. Air pollutants in Nova Iguaçu may cause minor breathing discomfort to sensitive people.

What is the current level of PM2.5 in Nova Iguaçu? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 21 (Moderate) For comparison, the highest level of PM2.5 in Nova Iguaçu in the last 7 days was: 39 (Thursday, August 20, 2026) and the lowest: 14 (Friday, August 21, 2026).

What is the level of PM10 today in Nova Iguaçu? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Nova Iguaçu is: 23 (Moderate)

How is the O3 level today in Nova Iguaçu? (ozone (O3))
26 (Good)

How high is the level of NO2? (nitrogen dioxide (NO2))
46 (Moderate)

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

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

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

PM2,5 21 (Moderate)

PM10 23 (Moderate)

O3 26 (Good)

NO2 46 (Moderate)

SO2 10 (Good)

CO 526 (Good)

Data on air pollution from recent days in Nova Iguaçu

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	20 Moderate	16 Moderate	16 Moderate	17 Moderate	16 Moderate	14 Moderate	39 Unhealthy for Sensitive Groups	22 Moderate
pm10	22 Moderate	19 Good	21 Moderate	22 Moderate	23 Moderate	16 Good	40 Moderate	22 Moderate
o3	63 Good	45 Good	52 Good	65 Good	64 Good	78 Moderate	143 Unhealthy for Sensitive Groups	91 Moderate
no2	30 Good	26 Good	18 Good	14 Good	11 Good	14 Good	37 Good	34 Good
so2	14 Good	9 Good	8 Good	10 Good	8 Good	5 Good	9 Good	6 Good
co	425 Good	419 Good	352 Good	231 Good	223 Good	433 Good	777 Good	971 Good

data source »

Quality of life in Nova Iguaçu

Green and Parks in the City

Nova Iguaçu 0%

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

particulate matter PM2.5

Nova Iguaçu 15 (Moderate)

Pleasure of spending time in the city

Nova Iguaçu 50%

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

particulate matter PM10

Nova Iguaçu 31 (Moderate)

Air Pollution

Nova Iguaçu 55%

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

Garbage Disposal

Nova Iguaçu 100%

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

Availability and quality of drinking water

Nova Iguaçu 75%

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

Cleanliness and tidiness

Nova Iguaçu 25%

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

Noise and Light pollution

Nova Iguaçu 100%

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

Water Pollution

Nova Iguaçu 100%

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

Source: Numbeo

Nova Iguaçu

Wednesday, August 26, 2026 at 10:00 PM

PM2,5 21 (Moderate)

particulate matter (PM2.5) dust

PM10 23 (Moderate)

particulate matter (PM10) suspended dust

O3 26 (Good)

ozone (O3)

NO2 46 (Moderate)

nitrogen dioxide (NO2)

SO2 10 (Good)

sulfur dioxide (SO2)

CO 526 (Good)

carbon monoxide (CO)

Nova Iguaçu

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	22	39	14	16	17	16	16	20
pm10	22	40	16	23	22	21	19	22
o3	91	143	78	64	65	52	45	63
no2	34	37	14	11	14	18	26	30
so2	6.3	9	5.3	8.2	10	7.9	9.4	14
co	971	777	433	223	231	352	419	425

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

🌦️ Weather · 16-day Forecast — Brazil

16-day weather forecast for Brazil: today around 40°C (partly cloudy), lows near 22°C. Daily temperature and conditions, updated every day. A moderate breeze (about 9 km/h) is partially dispersing pollutants today.

☀️ UV Index · 16-day Forecast — Brazil

The UV index in Brazil today is 7.9 (high) — unprotected fair skin can burn in about 25 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Nova Iguaçu — compare nearby locations.

São Paulo 62 µg/m³
Rio de Janeiro 23 µg/m³
Salvador 17 µg/m³
Fortaleza 11 µg/m³
Belo Horizonte 7 µg/m³
Brasília 16 µg/m³
Curitiba 18 µg/m³
Manaus 16 µg/m³

Frequently asked questions

Is the air safe to breathe in Nova Iguaçu today?

The current average PM2.5 across Nova Iguaçu is about 21 µg/m³, rated “Moderate”. Air quality is acceptable, but unusually sensitive people should limit prolonged outdoor exertion.

What is the current PM2.5 level in Nova Iguaçu?

Right now PM2.5 in Nova Iguaçu averages about 21 µg/m³ (“Moderate”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which day last week had the worst air in Nova Iguaçu?

Over the past week, the highest daily PM2.5 in Nova Iguaçu was recorded on Thursday, August 20 (about 39 µg/m³).

What is the UV index in Nova Iguaçu today?

The UV index in Nova Iguaçu today is 7.9 (high) — unprotected fair skin can burn in about 25 minutes.

Does today's wind help disperse smog in Nova Iguaçu?

A moderate breeze (about 9 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.