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Cerro Merquan Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2026-07-31 06:01 (Local Time)

location image
Live AQI
52AQI (US)
Air Quality is
Moderate
PM2.5 :  13 µg/m³
pm10 :  8 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi moderate level.webp in Cerro Merquan
patchy rain possible

10 °C

Patchy rain nearby
Humidity
Humidity94 %
Wind Speed
Wind Speed7.2 km/h
UV Index
UV Index0
Last Updated: 2026-07-31 06:01 (Local Time)
Map

Cerro Merquan

Major Air Pollutants

Cerro Merquan

PM₂.₅'s Icon

Particulate Matter(PM₂.₅)

13µg/m³

PM₁₀'s Icon

Particulate Matter(PM₁₀)

8µg/m³

CO's Icon

Carbon Monoxide(CO)

445ppb

SO₂'s Icon

Sulfur Dioxide(SO₂)

4ppb

NO₂'s Icon

Nitrogen Dioxide(NO₂)

3ppb

O₃'s Icon

Ozone(O₃)

16ppb

AQI Graph

Historical Air Quality Data

Cerro Merquan

24 Hours
AQI (US)
Cerro Merquan
AQI (US)
.
30-07-2026Time31-07-2026
5
Min. AQI (US)7:01am
93
Max. AQI (US)11:31pm

Want air quality data?

AQI (US) Trends - Annual Air Quality Changes

Cerro Merquan, Coronel, Biobio, Chile

AQI (US)

Chile's Metro Cities

Air Quality Index

Iquique City AQI

Iquique

29

temp.14°C
hum.82%
La Serena City AQI

La Serena

52

temp.13°C
hum.64%
Santiago City AQI

Santiago

53

temp.10°C
hum.79%

Air Quality Calendar 2026

Cerro Merquan

2026
AQI (US)
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

Health Advice For People Living In

Cerro Merquan

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

Disclaimer: This cigarette-equivalent estimate is based on the average PM2.5 concentration over the last 24 hours, assuming continuous exposure during that time.

Solutions for Current AQI (US)

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

Prevent Health Problems: Understand Your Risks

Cerro Merquan

asthma due to air pollution in Cerro MerquanAsthma
heart due to air pollution in Cerro MerquanHeart Issues
allergy due to air pollution in Cerro MerquanAllergies
sinus due to air pollution in Cerro MerquanSinus
flu due to air pollution in Cerro MerquanCold/Flu
copd due to air pollution in Cerro MerquanChronic (COPD)
Disclaimer: The above health risks are precautionary suggestions based on current AQI levels. You may not feel the effects immediately, but prolonged exposure to air pollution can contribute to these health conditions over time. AQI.IN is neither a medical expert nor a provider of medical advice. Please consult a doctor if you experience any of the above similar symptoms.

Most Polluted Cities 2026

Chile

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

Most Polluted Cities Live Ranking 2026
World's Most PollutedCity Rankings (2025)
World's Most PollutedCountry Rankings(2025)
RankCityAQI Status

Standard Value

Follow

1.

Coyhaique, Aysen

160

Unhealthy

5xabove Standard

2.

Santiago, Region Metropolitana

52

Moderate

1xbelow Standard

3.

Chicureo Abajo, Region Metropolitana

49

Good

1xbelow Standard

4.

Concepcion, Biobio

49

Good

1xbelow Standard

5.

Los Angeles, BioBio

42

Good

2xbelow Standard

6.

San Bernardo, Region Metropolitana

35

Good

2xbelow Standard

7.

Calama, Antofagasta

28

Good

2xbelow Standard

8.

Talcahuano, Biobio

25

Good

3xbelow Standard

9.

Talca, Maule

21

Good

3xbelow Standard

10.

Temuco, Araucania

15

Good

4xbelow Standard

Last Updated: 31 Jul 2026, 10:13 AM

AQI City Rankings

Air Quality Solutions For Cerro Merquan

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
Prana Air offers the solutions of air quality monitoring and clean air machine for Cerro Merquan

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.

Prana Air offers the solutions of air quality monitoring and clean air machine for Cerro Merquan

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.

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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.

Prana Air offers the solutions of air quality monitoring and clean air machine for Cerro Merquan

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.

Prana Air offers the solutions of air quality monitoring and clean air machine for Cerro Merquan

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.

Prana Air offers the solutions of air quality monitoring and clean air machine for Cerro Merquan

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.

Prana Air offers the solutions of air quality monitoring and clean air machine for Cerro Merquan

Air Quality Solutions for Fitness Center

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

Prana Air offers the solutions of air quality monitoring and clean air machine for Cerro Merquan

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.

Prana Air offers the solutions of air quality monitoring and clean air machine for Cerro Merquan

Air Quality Solutions for Retail Stores

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

Prana Air offers the solutions of air quality monitoring and clean air machine for Cerro Merquan

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.

Prana Air offers the solutions of air quality monitoring and clean air machine for Cerro Merquan

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.

Prana Air offers the solutions of air quality monitoring and clean air machine for Cerro Merquan

Air Quality Solutions For Hospitals

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

Prana Air offers the solutions of air quality monitoring and clean air machine for Cerro Merquan

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.

Prana Air offers the solutions of air quality monitoring and clean air machine for Cerro Merquan

Air Quality Solutions for Banks

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

Prana Air offers the solutions of air quality monitoring and clean air machine for Cerro Merquan

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.

Prana Air offers the solutions of air quality monitoring and clean air machine for Cerro Merquan

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.

Cerro Merquan's AQI Data Analytics Solutions

Air quality data monitoring platforms

Mobile AppMobile App
Smart TV AppSmart TV App
Web DashboardWeb Dashboard
APIAPI
WidgetsWidgets

Air Quality FAQs

at Cerro Merquan

Frequently Asked Questions About Air Quality

1. What is the current AQI (US) level in Cerro Merquan?

The current real-time AQI (US) level in Cerro Merquan is 52 (Moderate) due to recent rainfall by 0.01mm/hr. This was last updated 2026-07-31 06:01 (Local Time).

2. When was the best AQI (US) level in Cerro Merquan in the last 24 hours?

The best AQI (US) level was 5 (Good) at 7:01 AM, Jul 30, 2026 (Local Time) during the last 24 hours.

3. When was the worst AQI (US) level in Cerro Merquan in the last 24 hours?

The worst AQI (US) level was 93 (Moderate) at 11:31 PM, Jul 30, 2026 (Local Time) during the last 24 hours.

4. What is the current trend of AQI (US) levels in Cerro Merquan during last 24 hours?

The AQI (US) levels in Cerro Merquan have been fluctuating throughout the last 24 hours. The levels have increased by highest 93 at 11:31 PM, Jul 30, 2026 (Local Time), lowest 5 at 7:01 AM, Jul 30, 2026 (Local Time).

5. What actions are recommended as per the current AQI (US) level in Cerro Merquan?

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

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Read the latest news

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

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