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Rancagua Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in Libertador General Bernardo O Higgins

Last Updated: 2025-08-01 09:54:09 AM (Local Time)

Live AQI

24(AQI-US)

Air Quality is

Good

pm10 : 12 µg/m³

PM2.5 : 4 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

9 °C

Last Updated: 2025-08-01 09:54:09 AM (Local Time)

Map

Rancagua

Major Air Pollutants
Rancagua

Particulate Matter(PM2.5)

4µg/m³

Particulate Matter(PM10)

12µg/m³

Carbon Monoxide(CO)

438ppb

Sulfur Dioxide(SO2)

2ppb

Nitrogen Dioxide(NO2)

17ppb

Ozone(O3)

12ppb

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AQI Graph

Historical Air Quality Data
Rancagua

24 Hours

AQI

Rancagua

AQI

31-07-2025Time01-08-2025

Time	Rancagua
10 AM	48
11 AM	53
12 PM	53
01 PM	54
02 PM	52
03 PM	59
04 PM	52
05 PM	51
06 PM	50
07 PM	54
08 PM	51
09 PM	59
10 PM	65
11 PM	56
12 AM	43
01 AM	29
02 AM	24
03 AM	33
04 AM	34
05 AM	35
06 AM	40
07 AM	31
08 AM	27
09 AM	26

Min.at 2:09 AM on 1st Aug

Max.at 10:09 PM on 31st Jul

Want air quality data?

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

AQI

Year

AQI

AQI	AQI
Mar 2020	55
Apr 2020	70
May 2020	114
Jun 2020	115
Jul 2020	117
Aug 2020	97
Sep 2020	70
Oct 2020	53
Nov 2020	50
Dec 2020	45
Jan 2021	49
Feb 2021	48
Mar 2021	48
Apr 2021	61
May 2021	104
Jun 2021	116
Jul 2021	152
Aug 2021	118
Sep 2021	61
Oct 2021	46
Nov 2021	44
Dec 2021	52
Jan 2022	38
Feb 2022	55
Mar 2022	58
Apr 2022	67
May 2022	121
Jun 2022	124
Jul 2022	108
Aug 2022	109
Sep 2022	77
Oct 2022	62
Nov 2022	67
Dec 2022	73
Jan 2023	61
Feb 2023	88
Mar 2023	60
Apr 2023	70
May 2023	104
Jun 2023	100
Jul 2023	112
Aug 2023	72
Sep 2023	67
Oct 2023	53
Nov 2023	40
Dec 2023	44
Jan 2024	49
Feb 2024	47
Mar 2024	45
Apr 2024	66
May 2024	104
Jun 2024	93
Jul 2024	109
Aug 2024	81
Sep 2024	63
Oct 2024	41
Nov 2024	37
Dec 2024	44
Jan 2025	45
Feb 2025	51
Mar 2025	49
Apr 2025	63
May 2025	91
Jun 2025	124
Jul 2025	136
Aug 2025

Annual AQI Trends

2020

79AQI

2021

75AQI

-5%

Fall

2022

77AQI

Rise

2023

73AQI

-5%

Fall

2024

65AQI

-11%

Fall

2025

80AQI

23%

Rise

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

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedJuly, 2021152AQI

Least PollutedNovember, 202437AQI

* This data analysis is from year 2020 - 2025

Rancagua's Locations
Real-time Air Pollution Level

Location

Status

AQI

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 2025
Rancagua

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 39	2 Jan 41	3 Jan 52	4 Jan 42
5 Jan 42	6 Jan 46	7 Jan 39	8 Jan 36	9 Jan 46	10 Jan 47	11 Jan 53
12 Jan 51	13 Jan 41	14 Jan 44	15 Jan 45	16 Jan 31	17 Jan 38	18 Jan 37
19 Jan 37	20 Jan 47	21 Jan 50	22 Jan 44	23 Jan 40	24 Jan 39	25 Jan 46
26 Jan 56	27 Jan 45	28 Jan 55	29 Jan 62	30 Jan 57	31 Jan 48	1 Feb 48

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 56	27 Jan 45	28 Jan 55	29 Jan 62	30 Jan 57	31 Jan 48	1 Feb 48
2 Feb 47	3 Feb 40	4 Feb 44	5 Feb 43	6 Feb 45	7 Feb 55	8 Feb 55
9 Feb 72	10 Feb 56	11 Feb 72	12 Feb 63	13 Feb 69	14 Feb 57	15 Feb 51
16 Feb 45	17 Feb 47	18 Feb 54	19 Feb 55	20 Feb 50	21 Feb 51	22 Feb 46
23 Feb 37	24 Feb 42	25 Feb 43	26 Feb 48	27 Feb 63	28 Feb 41	1 Mar 33

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 37	24 Feb 42	25 Feb 43	26 Feb 48	27 Feb 63	28 Feb 41	1 Mar 33
2 Mar 29	3 Mar 34	4 Mar 43	5 Mar 46	6 Mar 43	7 Mar 32	8 Mar 30
9 Mar 38	10 Mar 46	11 Mar 45	12 Mar 58	13 Mar 61	14 Mar 58	15 Mar 46
16 Mar 45	17 Mar 55	18 Mar 57	19 Mar 56	20 Mar 48	21 Mar 52	22 Mar 48
23 Mar 64	24 Mar 63	25 Mar 56	26 Mar 65	27 Mar 63	28 Mar 70	29 Mar 59
30 Mar 30	31 Mar 39	1 Apr 47	2 Apr 55	3 Apr 50	4 Apr 57	5 Apr 62

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 30	31 Mar 39	1 Apr 47	2 Apr 55	3 Apr 50	4 Apr 57	5 Apr 62
6 Apr 55	7 Apr 57	8 Apr 61	9 Apr 77	10 Apr 57	11 Apr 43	12 Apr 59
13 Apr 66	14 Apr 60	15 Apr 57	16 Apr 63	17 Apr 61	18 Apr 65	19 Apr 69
20 Apr 72	21 Apr 75	22 Apr 78	23 Apr 85	24 Apr 63	25 Apr 46	26 Apr 51
27 Apr 61	28 Apr 65	29 Apr 79	30 Apr 87	1 May 91	2 May 77	3 May 93

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 61	28 Apr 65	29 Apr 79	30 Apr 87	1 May 91	2 May 77	3 May 93
4 May 74	5 May 82	6 May 100	7 May 109	8 May 46	9 May 64	10 May 85
11 May 98	12 May 99	13 May 121	14 May 95	15 May 108	16 May 121	17 May 91
18 May 66	19 May 57	20 May 82	21 May 80	22 May 107	23 May 128	24 May 125
25 May 114	26 May 55	27 May 49	28 May 92	29 May 108	30 May 88	31 May 101

June

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
1 Jun 140	2 Jun 125	3 Jun 156	4 Jun 145	5 Jun 141	6 Jun 148	7 Jun 147
8 Jun 144	9 Jun 145	10 Jun 143	11 Jun 143	12 Jun 72	13 Jun 88	14 Jun 114
15 Jun 71	16 Jun 41	17 Jun 101	18 Jun 114	19 Jun 134	20 Jun 147	21 Jun 122
22 Jun 109	23 Jun 75	24 Jun 125	25 Jun 116	26 Jun 127	27 Jun 151	28 Jun 138
29 Jun 158	30 Jun 147	1 Jul 165	2 Jul 164	3 Jul 159	4 Jul 160	5 Jul 150

July

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Jun 158	30 Jun 147	1 Jul 165	2 Jul 164	3 Jul 159	4 Jul 160	5 Jul 150
6 Jul 98	7 Jul 95	8 Jul 114	9 Jul 114	10 Jul 135	11 Jul 156	12 Jul 163
13 Jul 167	14 Jul 120	15 Jul 151	16 Jul 121	17 Jul 138	18 Jul 140	19 Jul 154
20 Jul 159	21 Jul 144	22 Jul 130	23 Jul 133	24 Jul 134	25 Jul 105	26 Jul 142
27 Jul 153	28 Jul 139	29 Jul 118	30 Jul 123	31 Jul 62	1 Aug -	2 Aug -

August

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Jul 153	28 Jul 139	29 Jul 118	30 Jul 123	31 Jul 62	1 Aug -	2 Aug -
3 Aug -	4 Aug -	5 Aug -	6 Aug -	7 Aug -	8 Aug -	9 Aug -
10 Aug -	11 Aug -	12 Aug -	13 Aug -	14 Aug -	15 Aug -	16 Aug -
17 Aug -	18 Aug -	19 Aug -	20 Aug -	21 Aug -	22 Aug -	23 Aug -
24 Aug -	25 Aug -	26 Aug -	27 Aug -	28 Aug -	29 Aug -	30 Aug -
31 Aug -	1 Sep -	2 Sep -	3 Sep -	4 Sep -	5 Sep -	6 Sep -

Health Advice For People Living In
Rancagua

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

Air PurifierTurn Off
Car FilterAdvisable
N95 MaskAdvisable
Stay IndoorAdvisable

As per the current AQI, turn off the air purifier.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Rancagua

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

Low Chances of Asthma

Asthma

Risk of Asthma symptoms is Low when AQI is Good (0-50)

Mild symptoms such as slight wheezing, occasional cough, and minor shortness of breath

Do's :

Keep track of air quality to plan outdoor activities safely.
Drink water to keep airways moist and reduce irritation.
Include non-allergenic fruits and vegetables that support overall lung health, like apples, pears, and spinach.

Don'ts :

Skip medications that is prescribed by your doctor.
Engage in outdoor activities in early morning during high pollen hours.

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 2025
Chile

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

Coyhaique, Chile

Puerto Aysen, Chile

Arica, Chile

Punta Arenas, Chile

Tocopilla, Chile

Calama, Chile

Iquique, Chile

Antofagasta, Chile

Copiapo, Chile

10.

Curanilahue, Chile

Good

2xabove Standard

Last Updated: 01 Aug 2025, 02:00 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

air quality solutions for offices 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 institutes for Rancagua

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 Rancagua

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 Rancagua

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

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.

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 Rancagua

Frequently Asked Questions About Air Quality

What is the current AQI level in Rancagua?

The current real-time AQI level in Rancagua is 24 (Good) due to recent rainfall by 3.37mm/hr. This was last updated 2025-08-01 09:54:09 AM (Local Time).

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

The best AQI level was 24 (Good) at 2:09 AM (Local Time) during the last 24 hours.

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

The worst AQI level was 65 (Moderate) at 10:09 PM, Jul 31, 2025 (Local Time) during the last 24 hours.

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

The AQI levels in Rancagua have been fluctuating throughout the last 24 hours. The levels have increased by highest 65 at 10:09 PM, Jul 31, 2025 (Local Time), lowest 24 at 2:09 AM (Local Time).

What actions are recommended as per the current AQI 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.