AQI PM2.5 PM10 CO SO2 NO2 O3

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Chaves Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in Vila Real

Last Updated: 2025-05-31 06:24:23 AM (Local Time)

Live AQI

Air Quality is

Moderate

pm10 : 23 µg/m³

PM2.5 : 9 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

13 °C

Last Updated: 2025-05-31 06:24:23 AM (Local Time)

Map

Chaves

Major Air Pollutants
Chaves

Particulate Matter(PM2.5)

9µg/m³

Particulate Matter(PM10)

23µg/m³

Carbon Monoxide(CO)

28ppb

Sulfur Dioxide(SO2)

0ppb

Nitrogen Dioxide(NO2)

2ppb

Ozone(O3)

35ppb

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AQI Graph

Historical Air Quality Data
Chaves

24 Hours

AQI

Chaves

Want air quality data?

AQI Trends - Annual Air Quality Changes
Chaves, Vila Real, Portugal

AQI

Year

AQI

Annual AQI Trends

2020

30AQI

2021

31AQI

Rise

2022

33AQI

Rise

2023

27AQI

-18%

Fall

2024

28AQI

Rise

2025

24AQI

-14%

Fall

Overall Annual Percentage (%) change of AQI in (2020 to 2025)

-4%

Fall (Improved AQI)

Most & Least Polluted Months

Most PollutedJuly, 202251AQI

Least PollutedApril, 202519AQI

* This data analysis is from year 2020 - 2025

Chaves's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Laza

Moderate

Portugal's Metro Cities
Air Quality Index

Faro

Lisbon

Vila Nova De Gaia

Air Quality Calendar 2025
Chaves

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 33	2 Jan 30	3 Jan 43	4 Jan 39
5 Jan 32	6 Jan 28	7 Jan 24	8 Jan 27	9 Jan 27	10 Jan 21	11 Jan 22
12 Jan 22	13 Jan 33	14 Jan 67	15 Jan 30	16 Jan 32	17 Jan 29	18 Jan 30
19 Jan 34	20 Jan 24	21 Jan 20	22 Jan 26	23 Jan 22	24 Jan 26	25 Jan 28
26 Jan 28	27 Jan 31	28 Jan 29	29 Jan 29	30 Jan 29	31 Jan 24	1 Feb 21

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 28	27 Jan 31	28 Jan 29	29 Jan 29	30 Jan 29	31 Jan 24	1 Feb 21
2 Feb 25	3 Feb 26	4 Feb 24	5 Feb 23	6 Feb 28	7 Feb 27	8 Feb 24
9 Feb 22	10 Feb 23	11 Feb 29	12 Feb 26	13 Feb 24	14 Feb 25	15 Feb 25
16 Feb 28	17 Feb 27	18 Feb 29	19 Feb 36	20 Feb 33	21 Feb 30	22 Feb 26
23 Feb 25	24 Feb 27	25 Feb 30	26 Feb 29	27 Feb 30	28 Feb 26	1 Mar 28

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 25	24 Feb 27	25 Feb 30	26 Feb 29	27 Feb 30	28 Feb 26	1 Mar 28
2 Mar 28	3 Mar 28	4 Mar 30	5 Mar 27	6 Mar 24	7 Mar 27	8 Mar 31
9 Mar 30	10 Mar 30	11 Mar 28	12 Mar 27	13 Mar 21	14 Mar 19	15 Mar 19
16 Mar 19	17 Mar 17	18 Mar 20	19 Mar 26	20 Mar 22	21 Mar 17	22 Mar 16
23 Mar 16	24 Mar 17	25 Mar 21	26 Mar 24	27 Mar 25	28 Mar 26	29 Mar 21
30 Mar 20	31 Mar 23	1 Apr 24	2 Apr 36	3 Apr 21	4 Apr 21	5 Apr 16

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 20	31 Mar 23	1 Apr 24	2 Apr 36	3 Apr 21	4 Apr 21	5 Apr 16
6 Apr 18	7 Apr 17	8 Apr 22	9 Apr 23	10 Apr 24	11 Apr 30	12 Apr 21
13 Apr 23	14 Apr 16	15 Apr 14	16 Apr 13	17 Apr 19	18 Apr 15	19 Apr 14
20 Apr 13	21 Apr 15	22 Apr 16	23 Apr 16	24 Apr 16	25 Apr 22	26 Apr 15
27 Apr 13	28 Apr 15	29 Apr 16	30 Apr 18	1 May 17	2 May 20	3 May 17

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 13	28 Apr 15	29 Apr 16	30 Apr 18	1 May 17	2 May 20	3 May 17
4 May 19	5 May 20	6 May 20	7 May 18	8 May 19	9 May 21	10 May 16
11 May 23	12 May 20	13 May 16	14 May 19	15 May 17	16 May 19	17 May 20
18 May 22	19 May 17	20 May 20	21 May 21	22 May 19	23 May 20	24 May 23
25 May 23	26 May 21	27 May 23	28 May 21	29 May 28	30 May -	31 May -

Health Advice For People Living In
Chaves

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 PurifierTurn On
Car FilterMust
N95 MaskMust
Stay IndoorMust

Must turn on the air purifier to enjoy fresh air.

Prevent Health Problems: Understand Your Risks

Chaves

Asthma
Heart Issues
Allergies
Sinus
Cold/Flu
Chronic (COPD)

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
Portugal

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

Palmela, Portugal

Sacavem, Portugal

Golega, Portugal

Cacem, Portugal

Chaves, Portugal

Lisbon, Portugal

Moncao, Portugal

Almada, Portugal

Evora, Portugal

10.

Vila Nova De Gaia, Portugal

Good

3xabove Standard

Last Updated: 31 May 2025, 06:54 AM

AQI City Rankings

Air Quality Solutions For Chaves
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

Monitor the air quality

Air Quality Sensors

Sensors to measure the air quality

Fresh Air Machine

Clean the air you breathe

Car Cabin Filter

Purify the air in your car

N95 Mask

Shield yourself from pollution

air quality solutions for offices for Chaves

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

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 Chaves

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

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

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

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

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

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

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

air quality solutions for airport for Chaves

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

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

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 Chaves

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

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

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

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

Chaves's AQI Data Analytics Solutions
Air quality data monitoring platforms

Mobile App

Smart TV App

Web Dashboard

API

Widgets

Mobile App

Empower Your Decisions with Reliable Data

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

Personalized health advice as per current AQI.

Analytical data to identify trends and conditions.

Connect and control your air quality devices.

Air Quality FAQs
at Chaves

Frequently Asked Questions About Air Quality

What is the current AQI level in Chaves?

The current real-time AQI level in Chaves is 51 (Moderate). This was last updated 2025-05-31 06:24:23 AM (Local Time).

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

The best AQI level was 24 (Good) at 12:09 PM, May 30, 2025 (Local Time) during the last 24 hours.

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

The worst AQI level was 54 (Moderate) at 9:09 PM, May 30, 2025 (Local Time) during the last 24 hours.

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

The AQI levels in Chaves have been fluctuating throughout the last 24 hours. The levels have increased by highest 54 at 9:09 PM, May 30, 2025 (Local Time), lowest 24 at 12:09 PM, May 30, 2025 (Local Time).

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

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