AQI PM2.5 PM10 CO SO2 NO2 O3

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San Fernando Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-04-27 08:39:11 AM (Local Time)

Live AQI

Air Quality is

Moderate

pm10 : 35 µg/m³

PM2.5 : 12 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

13 °C

Last Updated: 2025-04-27 08:39:11 AM (Local Time)

Map

San Fernando

Major Air Pollutants
San Fernando

Particulate Matter(PM2.5)

12µg/m³

Particulate Matter(PM10)

35µg/m³

Carbon Monoxide(CO)

685ppb

Sulfur Dioxide(SO2)

3ppb

Nitrogen Dioxide(NO2)

14ppb

Ozone(O3)

10ppb

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AQI Graph

Historical Air Quality Data
San Fernando

24 Hours

AQI

San Fernando

Want air quality data?

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

AQI

Year

AQI

Annual AQI Trends

2020

70AQI

2021

70AQI

No Change

2022

63AQI

-10%

Fall

2023

58AQI

-8%

Fall

2024

50AQI

-14%

Fall

2025

45AQI

-10%

Fall

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

-8%

Fall (Improved AQI)

Most & Least Polluted Months

Most PollutedJuly, 2021131AQI

Least PollutedNovember, 202433AQI

* This data analysis is from year 2020 - 2025

San Fernando's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

San Fernando

Moderate

Chile's Metro Cities
Air Quality Index

Iquique

La Serena

Santiago

100

temp.6°C

hum.93%

Air Quality Calendar 2025
San Fernando

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 34	2 Jan 32	3 Jan 39	4 Jan 45
5 Jan 45	6 Jan 40	7 Jan 42	8 Jan 42	9 Jan 41	10 Jan 43	11 Jan 39
12 Jan 40	13 Jan 39	14 Jan 42	15 Jan 52	16 Jan 36	17 Jan 46	18 Jan 43
19 Jan 41	20 Jan 43	21 Jan 42	22 Jan 36	23 Jan 33	24 Jan 43	25 Jan 42
26 Jan 46	27 Jan 35	28 Jan 36	29 Jan 41	30 Jan 45	31 Jan 42	1 Feb 46

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 46	27 Jan 35	28 Jan 36	29 Jan 41	30 Jan 45	31 Jan 42	1 Feb 46
2 Feb 43	3 Feb 41	4 Feb 48	5 Feb 38	6 Feb 36	7 Feb 43	8 Feb 48
9 Feb 54	10 Feb 45	11 Feb 53	12 Feb 52	13 Feb 49	14 Feb 45	15 Feb 38
16 Feb 34	17 Feb 37	18 Feb 44	19 Feb 48	20 Feb 49	21 Feb 46	22 Feb 48
23 Feb 41	24 Feb 40	25 Feb 45	26 Feb 49	27 Feb 59	28 Feb 48	1 Mar 41

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 41	24 Feb 40	25 Feb 45	26 Feb 49	27 Feb 59	28 Feb 48	1 Mar 41
2 Mar 35	3 Mar 38	4 Mar 42	5 Mar 35	6 Mar 31	7 Mar 29	8 Mar 30
9 Mar 34	10 Mar 37	11 Mar 46	12 Mar 43	13 Mar 45	14 Mar 41	15 Mar 36
16 Mar 43	17 Mar 54	18 Mar 57	19 Mar 50	20 Mar 55	21 Mar 57	22 Mar 53
23 Mar 56	24 Mar 50	25 Mar 48	26 Mar 58	27 Mar 53	28 Mar 57	29 Mar 56
30 Mar 34	31 Mar 44	1 Apr 48	2 Apr 49	3 Apr 48	4 Apr 54	5 Apr 49

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 34	31 Mar 44	1 Apr 48	2 Apr 49	3 Apr 48	4 Apr 54	5 Apr 49
6 Apr 41	7 Apr 39	8 Apr 47	9 Apr 56	10 Apr 48	11 Apr 45	12 Apr 55
13 Apr 59	14 Apr 48	15 Apr 41	16 Apr 42	17 Apr 46	18 Apr 50	19 Apr 55
20 Apr 54	21 Apr 60	22 Apr 58	23 Apr 54	24 Apr 46	25 Apr 45	26 Apr 43
27 Apr -	28 Apr -	29 Apr -	30 Apr -	1 May -	2 May -	3 May -

Health Advice For People Living In
San Fernando

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.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

San Fernando

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

Santiago, Chile

Temuco, Chile

Rancagua, Chile

San Bernardo, Chile

Chicureo Abajo, Chile

Lo Miranda, Chile

Curico, Chile

San Fernando, Chile

Talcahuano, Chile

10.

Coquimbo, Chile

Moderate

4xabove Standard

Last Updated: 27 Apr 2025, 01:34 PM

AQI City Rankings

Air Quality Solutions For San Fernando
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 San Fernando

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 San Fernando

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 San Fernando

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 San Fernando

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.

San Fernando'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 San Fernando

Frequently Asked Questions About Air Quality

What is the current AQI level in San Fernando?

The current real-time AQI level in San Fernando is 57 (Moderate). This was last updated 2025-04-27 08:39:11 AM (Local Time).

When was the best AQI level in San Fernando in the last 24 hours?

The best AQI level was 46 (Good) at 11:09 AM, Apr 26, 2025 (Local Time) during the last 24 hours.

When was the worst AQI level in San Fernando in the last 24 hours?

The worst AQI level was 59 (Moderate) at 9:09 PM, Apr 26, 2025 (Local Time) during the last 24 hours.

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

The AQI levels in San Fernando have been fluctuating throughout the last 24 hours. The levels have increased by highest 59 at 9:09 PM, Apr 26, 2025 (Local Time), lowest 46 at 11:09 AM, Apr 26, 2025 (Local Time).

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

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