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  • Niteroi
Niteroi
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Live

Niteroi Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in Rio de Janeiro

Last Updated: 2025-07-18 12:25:31 AM (Local Time)

location image
Live AQI
67
Air Quality is
Moderate
pm10 :  50 µg/m³
PM2.5 :  18 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi moderate level.webp in Niteroi
clear

18 °C

Clear
Humidity
Humidity88 %
Wind Speed
Wind Speed6 km/h
UV Index
UV Index0
Last Updated: 2025-07-18 12:25:31 AM (Local Time)
AQI LogoMap

Niteroi

Major Air Pollutants

Niteroi

PM2.5's Icon

Particulate Matter(PM2.5)

18µg/m³

PM10's Icon

Particulate Matter(PM10)

50µg/m³

CO's Icon

Carbon Monoxide(CO)

1077ppb

SO2's Icon

Sulfur Dioxide(SO2)

3ppb

NO2's Icon

Nitrogen Dioxide(NO2)

18ppb

O3's Icon

Ozone(O3)

11ppb

Trending in Brazil

Is Poor Air Quality in Gyms Holding Back Your Fitness Goals?

Is Poor Air Quality in Gyms Holding Back Your Fitness Goals?

City Climate Change Severity Analysis is NOW LIVE on AQI.in!📢

City Climate Change Severity Analysis is NOW LIVE on AQI.in!📢

AQI Graph

Historical Air Quality Data

Niteroi

24 Hours
AQI
Niteroi
AQI
.
17-07-2025Time18-07-2025
TimeNiteroi
12 AM59
01 AM61
02 AM63
03 AM65
04 AM69
05 AM66
06 AM67
07 AM69
08 AM68
09 AM69
10 AM69
11 AM69
12 PM70
01 PM70
02 PM67
03 PM64
04 PM64
05 PM66
06 PM69
07 PM71
08 PM69
09 PM68
10 PM69
11 PM66
12 AM67
59
Min.at 12:40 AM on 17th Jul
71
Max.at 7:10 PM on 17th Jul

Want air quality data?

AQI Logo

Download 2024 Annual Data

World Air Quality Report

Globe

AQI Trends - Annual Air Quality Changes

Niteroi, Rio de Janeiro, Brazil

AQI
Year
.
AQI
AQI AQI
Sep 202233
Oct 202235
Nov 202231
Dec 202225
Jan 2023
Feb 2023
Mar 2023
Apr 2023
May 2023
Jun 2023
Jul 2023
Aug 2023
Sep 2023
Oct 2023
Nov 202335
Dec 202328
Jan 202433
Feb 2024
Mar 202425
Apr 202429
May 202438
Jun 202453
Jul 202453
Aug 202444
Sep 202466
Oct 202426
Nov 202431
Dec 202463
Jan 202565
Feb 202566
Mar 202550
Apr 202532
May 202531
Jun 202534
Jul 202537

Annual AQI Trends

2022
31AQI
2023
28AQI
-10%
Fall
2024
46AQI
64%
Rise
2025
46AQI
0%
No Change
Overall Annual Percentage (%) change of AQI in (2022 to 2025)
18%
Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedSeptember, 202466AQI
Least PollutedMarch, 202425AQI

* This data analysis is from year 2022 - 2025

Niteroi's Locations

Real-time Air Pollution Level

Location
Status
AQI
PM2.5(µg/m³)
PM10(µg/m³)
Temp.(°C)
Humi.(%)
Ilha de Paqueta
Moderate
74
21
51
14
70
Porto das Caixas
Moderate
64
16
50
15
73
Sambaetiba
Moderate
64
16
50
15
72

Brazil's Metro Cities

Air Quality Index

Diadema City AQI

Diadema

124

temp.17°C
hum.59%
Rio de Janeiro City AQI

Rio de Janeiro

67

temp.22°C
hum.73%
Santos City AQI

Santos

76

temp.17°C
hum.59%
Sao Paulo City AQI

Sao Paulo

129

temp.13°C
hum.77%

Air Quality Calendar 2025

Niteroi

2025
AQI
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
29 Dec
-
30 Dec
-
31 Dec
-
1 Jan
69
2 Jan
64
3 Jan
64
4 Jan
63
5 Jan
62
6 Jan
67
7 Jan
66
8 Jan
64
9 Jan
64
10 Jan
65
11 Jan
66
12 Jan
66
13 Jan
65
14 Jan
67
15 Jan
66
16 Jan
68
17 Jan
66
18 Jan
69
19 Jan
69
20 Jan
69
21 Jan
68
22 Jan
68
23 Jan
67
24 Jan
66
25 Jan
67
26 Jan
67
27 Jan
64
28 Jan
62
29 Jan
61
30 Jan
61
31 Jan
60
1 Feb
60
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
26 Jan
67
27 Jan
64
28 Jan
62
29 Jan
61
30 Jan
61
31 Jan
60
1 Feb
60
2 Feb
61
3 Feb
60
4 Feb
60
5 Feb
60
6 Feb
61
7 Feb
63
8 Feb
64
9 Feb
64
10 Feb
65
11 Feb
74
12 Feb
74
13 Feb
71
14 Feb
69
15 Feb
69
16 Feb
71
17 Feb
74
18 Feb
72
19 Feb
73
20 Feb
71
21 Feb
70
22 Feb
69
23 Feb
68
24 Feb
66
25 Feb
65
26 Feb
64
27 Feb
62
28 Feb
60
1 Mar
59
March
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
23 Feb
68
24 Feb
66
25 Feb
65
26 Feb
64
27 Feb
62
28 Feb
60
1 Mar
59
2 Mar
59
3 Mar
58
4 Mar
57
5 Mar
57
6 Mar
56
7 Mar
55
8 Mar
55
9 Mar
54
10 Mar
53
11 Mar
50
12 Mar
51
13 Mar
50
14 Mar
50
15 Mar
49
16 Mar
47
17 Mar
45
18 Mar
45
19 Mar
45
20 Mar
44
21 Mar
44
22 Mar
46
23 Mar
45
24 Mar
45
25 Mar
47
26 Mar
46
27 Mar
46
28 Mar
46
29 Mar
46
30 Mar
45
31 Mar
45
1 Apr
43
2 Apr
44
3 Apr
44
4 Apr
43
5 Apr
41
April
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
30 Mar
45
31 Mar
45
1 Apr
43
2 Apr
44
3 Apr
44
4 Apr
43
5 Apr
41
6 Apr
40
7 Apr
38
8 Apr
34
9 Apr
33
10 Apr
32
11 Apr
32
12 Apr
32
13 Apr
31
14 Apr
30
15 Apr
29
16 Apr
29
17 Apr
29
18 Apr
27
19 Apr
29
20 Apr
28
21 Apr
28
22 Apr
27
23 Apr
28
24 Apr
28
25 Apr
28
26 Apr
28
27 Apr
28
28 Apr
29
29 Apr
29
30 Apr
29
1 May
30
2 May
30
3 May
32
May
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
27 Apr
28
28 Apr
29
29 Apr
29
30 Apr
29
1 May
30
2 May
30
3 May
32
4 May
31
5 May
32
6 May
32
7 May
32
8 May
32
9 May
32
10 May
32
11 May
31
12 May
30
13 May
29
14 May
28
15 May
28
16 May
29
17 May
30
18 May
28
19 May
31
20 May
29
21 May
32
22 May
33
23 May
31
24 May
30
25 May
30
26 May
31
27 May
32
28 May
33
29 May
32
30 May
35
31 May
35
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Jun
39
2 Jun
37
3 Jun
40
4 Jun
35
5 Jun
37
6 Jun
34
7 Jun
34
8 Jun
32
9 Jun
32
10 Jun
29
11 Jun
26
12 Jun
27
13 Jun
27
14 Jun
27
15 Jun
30
16 Jun
31
17 Jun
36
18 Jun
38
19 Jun
37
20 Jun
37
21 Jun
40
22 Jun
40
23 Jun
38
24 Jun
34
25 Jun
32
26 Jun
31
27 Jun
33
28 Jun
35
29 Jun
35
30 Jun
35
1 Jul
34
2 Jul
31
3 Jul
30
4 Jul
31
5 Jul
28
July
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
29 Jun
35
30 Jun
35
1 Jul
34
2 Jul
31
3 Jul
30
4 Jul
31
5 Jul
28
6 Jul
27
7 Jul
26
8 Jul
28
9 Jul
30
10 Jul
33
11 Jul
34
12 Jul
35
13 Jul
38
14 Jul
43
15 Jul
59
16 Jul
63
17 Jul
64
18 Jul
-
19 Jul
-
20 Jul
-
21 Jul
-
22 Jul
-
23 Jul
-
24 Jul
-
25 Jul
-
26 Jul
-
27 Jul
-
28 Jul
-
29 Jul
-
30 Jul
-
31 Jul
-
1 Aug
-
2 Aug
-
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

Health Advice For People Living In

Niteroi

0Cigarettes per day

Weekly 0 Cigarettes
Monthly 0 Cigarettes

Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.

Source:

Berkeley Earth

Solutions for Current AQI

  • Air Purifier
    Air PurifierTurn On
  • Car Filter
    Car FilterMust
  • N95 Mask
    N95 MaskMust
  • Stay Indoor
    Stay IndoorMust

Must turn on the air purifier to enjoy fresh air.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Niteroi

  • asthma due to air pollution in NiteroiAsthma
  • heart due to air pollution in NiteroiHeart Issues
  • allergy due to air pollution in NiteroiAllergies
  • sinus due to air pollution in NiteroiSinus
  • flu due to air pollution in NiteroiCold/Flu
  • copd due to air pollution in NiteroiChronic (COPD)
asthma due to air pollution in Niteroi

Mid. Chances of Asthma

Asthma

Risk of Asthma symptoms is Mid. when AQI is Moderate (50-150)

Moderate symptoms including frequent wheezing, noticeable shortness of breath, chest tightness, and persistent cough.

Do's :

  • Limit outdoor activities when AQI is poor.

  • Clean indoor air with an air purifier to reduce exposure.

  • Soothe the respiratory tract with herbal teas or warm water to help alleviate symptoms.

Don'ts :

  • Exercise outdoors without a mask.

  • Stay in smoky areas with strong fumes.

Most Polluted Cities 2025

Brazil

Analyze the real-time most air polluted cities in the country.

Most Polluted Cities Live Ranking 2025
World's Most PollutedCity Rankings (2024)
World's Most PollutedCountry Rankings(2024)
RankCityAQIAQI Status

Standard Value

Follow

1.

Sao Paulo, Brazil

148
Poor
10xabove Standard

2.

Guarulhos, Brazil

118
Poor
8xabove Standard

3.

Franco Da Rocha, Brazil

116
Poor
8xabove Standard

4.

Itaquaquecetuba, Brazil

115
Poor
8xabove Standard

5.

Ferraz De Vasconcelos, Brazil

114
Poor
8xabove Standard

6.

Carapicuiba, Brazil

114
Poor
8xabove Standard

7.

Sao Paulo, Brazil

113
Poor
8xabove Standard

8.

Osasco, Brazil

113
Poor
8xabove Standard

9.

Taboao Da Serra, Brazil

113
Poor
8xabove Standard

10.

Sao Caetano Do Sul, Brazil

111
Poor
7xabove Standard

Last Updated: 18 Jul 2025, 03:39 AM

AQI City Rankings

Air Quality Solutions For Niteroi

Explore the solutions of air quality monitoring & clean air.

Here are some applications that you can go through to find out the solutions.

Air Quality Monitor

Air Quality Monitor

Monitor the air quality
Air Quality Sensors

Air Quality Sensors

Sensors to measure the air quality
Fresh Air Machine

Fresh Air Machine

Clean the air you breathe
Car Cabin Filter

Car Cabin Filter

Purify the air in your car
N95 Mask

N95 Mask

Shield yourself from pollution
air quality solutions for offices for Niteroi

Air Quality Solution For Offices

A complete solution for air quality monitoring, data analysis, and fresh air solutions in workplaces prioritizing employee's health and productivity.

air quality solutions for smart-city for Niteroi

Air Quality Solutions For Smart City

Prana Air smart city project provides air quality monitors, drones, outdoor air purifiers, and data dashboards solution to improve air quality.

air quality solutions for institutes for Niteroi

Air Quality Solutions for Schools | Institutes

Prana Air provides the air quality solutions for schools by air monitoring & fresh air machine that help the students to breather clean air.

air quality solutions for hotels for Niteroi

Air Quality Solutions For Hotels

Prana Air air quality solutions are suited for hotel businesses. The occupancy of hotels is the main reasons for bad air quality.

air quality solutions for restaurants for Niteroi

Air Quality Solutions for Restaurants

Prana Air has the air quality solutions for restaurant, cafes, and gives you the power to know what your customers and staff breathe.

air quality solutions for rmc-plants for Niteroi

Air Quality Solutions for RMC Plants

Prana Air provides air quality monitoring solutions for RMC plants. Improve compliance, protect workers and community, and reduce emissions.

air quality solutions for fitness-center for Niteroi

Air Quality Solutions for Fitness Center

Prana Air provides the air quality solutions of pollution monitoring and fresh air for fitness center - gym.

air quality solutions for parking-lot for Niteroi

Air Quality Solutions for Parking Lot

A complete solution for air monitoring, data analysis, and fresh air solutions for enclosed car parking areas and car lots.

air quality solutions for retail-stores for Niteroi

Air Quality Solutions for Retail Stores

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets.

air quality solutions for airport for Niteroi

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets

Prana Air provides the air quality solutions for airport. Gathering of many passengers is the main reasons of bad air quality in airport.

air quality solutions for construction-sites for Niteroi

Air Quality Solutions For Construction Sites

Prana Air offers air quality monitoring solutions for construction sites with data cloud storage, web-dashboard, mobile apps, TV display.

air quality solutions for hospitals for Niteroi

Air Quality Solutions For Hospitals

Prana Air provides air quality monitoring and fresh air solutions for hospitals to ensure clean and healthy indoor air.

air quality solutions for bathroom for Niteroi

Air Quality Solutions For Washroom | Bathroom

Improve washroom and bathroom air quality with Prana Air air quality monitoring devices and fresh air machine. Breathe easy and stay healthy.

air quality solutions for banks for Niteroi

Air Quality Solutions for Banks

Prana Air provides air quality solutions of pollution monitoring and fresh air for banks and financial institutions.

air quality solutions for cinema for Niteroi

Air Quality Solutions for Cinema

Air quality solutions for cinema halls or theatres will help the customers to get the good experience, comfort and breathe clean air.

air quality solutions for real-estates for Niteroi

Air Quality Solutions For Real Estates

Prana Air provides the air quality solutions of pollution monitoring and fresh air for real estates - residential and commercial.

Niteroi's AQI Data Analytics Solutions

Air quality data monitoring platforms

Mobile AppMobile App
Smart TV AppSmart TV App
Web DashboardWeb Dashboard
APIAPI
WidgetsWidgets
aqi air quality app for Niteroi
Mobile App

Empower Your Decisions with Reliable Data

Get it onApp Store
Get it onGoogle Play
Your area’s real-time data with detailed parameters.

Your area’s real-time data with detailed parameters.

Personalized health advice as per current AQI.

Personalized health advice as per current AQI.

Analytical data to identify trends and conditions.

Analytical data to identify trends and conditions.

Connect and control your air quality devices.

Connect and control your air quality devices.

Air Quality FAQs

at Niteroi

Frequently Asked Questions About Air Quality

What is the current AQI level in Niteroi?

The current real-time AQI level in Niteroi is 67 (Moderate). This was last updated 2025-07-18 12:25:31 AM (Local Time).

When was the best AQI level in Niteroi in the last 24 hours?

The best AQI level was 59 (Moderate) at 12:40 AM, Jul 17, 2025 (Local Time) during the last 24 hours.

When was the worst AQI level in Niteroi in the last 24 hours?

The worst AQI level was 71 (Moderate) at 7:10 PM, Jul 17, 2025 (Local Time) during the last 24 hours.

What is the current trend of AQI levels in Niteroi during last 24 hours?

The AQI levels in Niteroi have been fluctuating throughout the last 24 hours. The levels have increased by highest 71 at 7:10 PM, Jul 17, 2025 (Local Time), lowest 59 at 12:40 AM, Jul 17, 2025 (Local Time).

What actions are recommended as per the current AQI level in Niteroi?

Current AQI levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.

Recent AQI Blogs

Read the latest news

Here are some latest blogs that you can go through to find out more air pollution.

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Do People Really Consider Air Pollution Before Moving to Delhi NCR?

15 Jul 2025Shakshi
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2 Jul 2025Shakshi
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Air Pollution Comparison Between England vs India: What a 45% Asthma Spike in the UK Reveals

1 Jul 2025Shakshi
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24 Jun 2025Shakshi
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Prana Sense

Air Quality Monitor

Air Quality Index depicts the extent of air pollution at a particular location.

Prana Sense Air Quality MonitorPrana Sense Air Quality Monitor
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Pocket PM

Air Quality Monitor

Know the air quality around you wherever you are with the Pocket monitor to get instant air quality insights.

Pocket PM Air Quality MonitorPocket PM Air Quality Monitor
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Cair +

Indoor Air Quality Monitor

Track indoor air quality with advanced connectivity and portability for real-time air quality data.

Cair + Indoor Air Quality MonitorCair + Indoor Air Quality Monitor