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Rancagua Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2026-08-18 15:01 (Local Time)

Live AQI

38AQI (US)

Air Quality is

Good

PM2.5 : 9 µg/m³

pm10 : 29 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

13 °C

Last Updated: 2026-08-18 15:01 (Local Time)

Presently, Rancagua ranks for having the good air quality among cities worldwide.

Map

Rancagua

Major Air Pollutants
Rancagua

Particulate Matter(PM₂.₅)

9µg/m³

Particulate Matter(PM₁₀)

29µg/m³

Carbon Monoxide(CO)

668ppb

Sulfur Dioxide(SO₂)

3ppb

Nitrogen Dioxide(NO₂)

7ppb

Ozone(O₃)

16ppb

AQI Graph

Historical Air Quality Data
Rancagua

24 Hours

AQI (US)

Rancagua

AQI (US)

17-08-2026Time18-08-2026

Time	Rancagua
3:01pm	68
3:31pm	82
4:01pm	78
4:31pm	74
5:01pm	60
5:31pm	60
6:01pm	62
6:31pm	46
7:01pm	46
7:31pm	53
8:01pm	52
8:31pm	57
9:01pm	54
9:31pm	62
10:01pm	64
10:31pm	71
11:01pm	73
11:31pm	70
12:01am	84
12:31am	81
1:01am	84
1:31am	90
2:01am	90
2:31am	120
3:01am	110
3:31am	110
4:01am	109
4:31am	112
5:01am	112
5:31am	106
6:01am	116
6:31am	110
7:01am	76
7:31am	56
8:01am	52
8:31am	62
9:01am	58
9:31am	81
10:01am	82
10:31am	80
11:01am	80
11:31am	53
12:01pm	54
12:31pm	56
1:01pm	53
1:31pm	52
2:01pm	60
2:31pm	50
3:01pm	38

Min. AQI (US)3:01pm

120

Max. AQI (US)2:31am

Want air quality data?

AQI (US) Trends - Annual Air Quality Changes
Rancagua, Libertador General Bernardo O Higgins, Chile

AQI (US)

Rancagua's Locations
Real-time Air Pollution Level

locations

Status

AQI (US)

PM₂.₅(µg/m³)

PM₁₀(µg/m³)

Temp.(°C)

Humi.(%)

Rancagua I

Good

Rancagua Ii

Good

Chile's Metro Cities
Air Quality Index

Iquique

La Serena

Santiago

Air Quality Calendar 2026
Rancagua

2026

AQI (US)

Health Advice For People Living In
Rancagua

1Cigarettes per day

Weekly 7 Cigarettes

Monthly 30 Cigarettes

Breathing the air in this location is as harmful as smoking 1 cigarettes a day.

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 PurifierTurn Off

Car FilterAdvisable

N95 MaskAdvisable

Stay IndoorAdvisable

Prevent Health Problems: Understand Your Risks

Rancagua

Asthma

Heart Issues

Allergies

Sinus

Cold/Flu

Chronic (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

Temuco, Araucania

Moderate

2xabove Standard

Talca, Maule

Moderate

2xabove Standard

Santiago, Region Metropolitana

Moderate

2xabove Standard

Chicureo Abajo, Region Metropolitana

Moderate

2xabove Standard

Coyhaique, Aysen

Moderate

1xabove Standard

Chillan, Biobio

Good

1xbelow Standard

Talcahuano, Biobio

Good

2xbelow Standard

Concepcion, Biobio

Good

2xbelow Standard

Rancagua, Libertador General Bernardo O Higgins

Good

2xbelow Standard

10.

San Bernardo, Region Metropolitana

Good

2xbelow Standard

Last Updated: 18 Aug 2026, 07:09 PM

AQI City Rankings

Air Quality Solutions For Rancagua
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

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

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 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.

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 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.

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

Mobile App

Smart TV App

Web Dashboard

API

Widgets

Air Quality FAQs
at Rancagua

Frequently Asked Questions About Air Quality

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

The current real-time AQI (US) level in Rancagua is 38 (Good). This was last updated 2026-08-18 15:01 (Local Time).

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

The best AQI (US) level was 38 (Good) at 3:01 PM (Local Time) during the last 24 hours.

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

The worst AQI (US) level was 120 (Poor) at 2:31 AM (Local Time) during the last 24 hours.

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

The AQI (US) levels in Rancagua have been fluctuating throughout the last 24 hours. The levels have increased by highest 120 at 2:31 AM (Local Time), lowest 38 at 3:01 PM (Local Time).

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

The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.