AQI PM2.5 PM10 CO SO2 NO2 O3

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Chillan Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-05-25 07:54:12 AM (Local Time)

Live AQI

Air Quality is

Moderate

pm10 : 26 µg/m³

PM2.5 : 14 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

6 °C

Last Updated: 2025-05-25 07:54:12 AM (Local Time)

Map

Chillan

Major Air Pollutants
Chillan

Particulate Matter(PM2.5)

14µg/m³

Particulate Matter(PM10)

26µg/m³

Carbon Monoxide(CO)

1022ppb

Sulfur Dioxide(SO2)

5ppb

Nitrogen Dioxide(NO2)

16ppb

Ozone(O3)

10ppb

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AQI Graph

Historical Air Quality Data
Chillan

24 Hours

AQI

Chillan

Want air quality data?

AQI Trends - Annual Air Quality Changes
Chillan, Biobio, Chile

AQI

Year

AQI

Annual AQI Trends

2020

61AQI

2021

69AQI

13%

Rise

2022

56AQI

-19%

Fall

2023

61AQI

Rise

2024

59AQI

-3%

Fall

2025

49AQI

-17%

Fall

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

-3%

Fall (Improved AQI)

Most & Least Polluted Months

Most PollutedMay, 2021125AQI

Least PollutedDecember, 202226AQI

* This data analysis is from year 2020 - 2025

Chillan's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Inia

Moderate

Puren

Moderate

Chile's Metro Cities
Air Quality Index

Iquique

La Serena

Santiago

Air Quality Calendar 2025
Chillan

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 30	2 Jan 30	3 Jan 37	4 Jan 36
5 Jan 31	6 Jan 42	7 Jan 32	8 Jan 31	9 Jan 25	10 Jan 34	11 Jan 31
12 Jan 57	13 Jan 34	14 Jan 31	15 Jan 21	16 Jan 23	17 Jan 25	18 Jan 26
19 Jan 27	20 Jan 32	21 Jan 25	22 Jan 28	23 Jan 24	24 Jan 28	25 Jan 28
26 Jan 31	27 Jan 25	28 Jan 33	29 Jan 44	30 Jan 45	31 Jan 30	1 Feb 27

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 31	27 Jan 25	28 Jan 33	29 Jan 44	30 Jan 45	31 Jan 30	1 Feb 27
2 Feb 24	3 Feb 27	4 Feb 37	5 Feb 25	6 Feb 34	7 Feb 63	8 Feb 59
9 Feb 56	10 Feb 65	11 Feb 68	12 Feb 51	13 Feb 48	14 Feb 31	15 Feb 31
16 Feb 32	17 Feb 30	18 Feb 42	19 Feb 46	20 Feb 42	21 Feb 47	22 Feb 28
23 Feb 30	24 Feb 22	25 Feb 41	26 Feb 90	27 Feb 46	28 Feb 24	1 Mar 21

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 30	24 Feb 22	25 Feb 41	26 Feb 90	27 Feb 46	28 Feb 24	1 Mar 21
2 Mar 20	3 Mar 22	4 Mar 29	5 Mar 28	6 Mar 25	7 Mar 22	8 Mar 22
9 Mar 23	10 Mar 23	11 Mar 39	12 Mar 53	13 Mar 36	14 Mar 33	15 Mar 35
16 Mar 41	17 Mar 34	18 Mar 27	19 Mar 38	20 Mar 31	21 Mar 25	22 Mar 49
23 Mar 65	24 Mar 45	25 Mar 53	26 Mar 60	27 Mar 54	28 Mar 45	29 Mar 41
30 Mar 22	31 Mar 26	1 Apr 31	2 Apr 47	3 Apr 46	4 Apr 53	5 Apr 50

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 22	31 Mar 26	1 Apr 31	2 Apr 47	3 Apr 46	4 Apr 53	5 Apr 50
6 Apr 42	7 Apr 58	8 Apr 107	9 Apr 59	10 Apr 40	11 Apr 41	12 Apr 39
13 Apr 53	14 Apr 60	15 Apr 74	16 Apr 68	17 Apr 50	18 Apr 42	19 Apr 64
20 Apr 82	21 Apr 101	22 Apr 103	23 Apr 64	24 Apr 44	25 Apr 37	26 Apr 70
27 Apr 63	28 Apr 54	29 Apr 76	30 Apr 89	1 May 63	2 May 86	3 May 103

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 63	28 Apr 54	29 Apr 76	30 Apr 89	1 May 63	2 May 86	3 May 103
4 May 54	5 May 85	6 May 101	7 May 79	8 May 62	9 May 58	10 May 66
11 May 64	12 May 92	13 May 120	14 May 107	15 May 113	16 May 104	17 May 53
18 May 87	19 May 94	20 May 80	21 May 93	22 May 88	23 May 146	24 May -
25 May -	26 May -	27 May -	28 May -	29 May -	30 May -	31 May -

Health Advice For People Living In
Chillan

1.3Cigarettes per day

Weekly 9.1 Cigarettes

Monthly 39.0 Cigarettes

Breathing the air in this location is as harmful as smoking 1.3 cigarettes a day.

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

Chillan

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
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

San Fernando, Chile

Curico, Chile

Santiago, Chile

Punta Arenas, Chile

Rancagua, Chile

San Bernardo, Chile

Chicureo Abajo, Chile

Lo Miranda, Chile

10.

Linares, Chile

Moderate

5xabove Standard

Last Updated: 25 May 2025, 01:24 PM

AQI City Rankings

Air Quality Solutions For Chillan
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 Chillan

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 Chillan

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 Chillan

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 Chillan

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.

Chillan'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 Chillan

Frequently Asked Questions About Air Quality

What is the current AQI level in Chillan?

The current real-time AQI level in Chillan is 60 (Moderate). This was last updated 2025-05-25 07:54:12 AM (Local Time).

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

The best AQI level was 25 (Good) at 8:09 AM (Local Time) during the last 24 hours.

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

The worst AQI level was 157 (Unhealthy) at 9:09 PM, May 24, 2025 (Local Time) during the last 24 hours.

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

The AQI levels in Chillan have been fluctuating throughout the last 24 hours. The levels have increased by highest 157 at 9:09 PM, May 24, 2025 (Local Time), lowest 25 at 8:09 AM (Local Time).

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

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