AQI PM2.5 PM10 CO SO2 NO2 O3

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La Union Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-05-30 01:24:12 PM (Local Time)

Live AQI

125

Air Quality is

Poor

pm10 : 94 µg/m³

PM2.5 : 45 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

11 °C

Last Updated: 2025-05-30 01:24:12 PM (Local Time)

Map

La Union

Major Air Pollutants
La Union

Particulate Matter(PM2.5)

45µg/m³

Particulate Matter(PM10)

94µg/m³

Carbon Monoxide(CO)

1160ppb

Sulfur Dioxide(SO2)

3ppb

Nitrogen Dioxide(NO2)

10ppb

Ozone(O3)

9ppb

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AQI Graph

Historical Air Quality Data
La Union

24 Hours

AQI

La Union

Want air quality data?

AQI Trends - Annual Air Quality Changes
La Union, Los Rios, Chile

AQI

Year

AQI

Annual AQI Trends

2020

81AQI

2021

71AQI

-12%

Fall

2022

64AQI

-10%

Fall

2023

55AQI

-14%

Fall

2024

53AQI

-4%

Fall

2025

48AQI

-9%

Fall

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

-10%

Fall (Improved AQI)

Most & Least Polluted Months

Most PollutedJuly, 2021141AQI

Least PollutedJanuary, 202414AQI

* This data analysis is from year 2020 - 2025

La Union's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

La Union

Poor

125

Chile's Metro Cities
Air Quality Index

Iquique

La Serena

Santiago

Air Quality Calendar 2025
La Union

2025

AQI

January

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

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 25	27 Jan 30	28 Jan 30	29 Jan 24	30 Jan 27	31 Jan 22	1 Feb 24
2 Feb 25	3 Feb 29	4 Feb 28	5 Feb 26	6 Feb 33	7 Feb 40	8 Feb 30
9 Feb 36	10 Feb 42	11 Feb 47	12 Feb 44	13 Feb 40	14 Feb 34	15 Feb 30
16 Feb 27	17 Feb 31	18 Feb 30	19 Feb 28	20 Feb 28	21 Feb 25	22 Feb 25
23 Feb 22	24 Feb 33	25 Feb 41	26 Feb 34	27 Feb 33	28 Feb 30	1 Mar 32

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 22	24 Feb 33	25 Feb 41	26 Feb 34	27 Feb 33	28 Feb 30	1 Mar 32
2 Mar 29	3 Mar 29	4 Mar 39	5 Mar 42	6 Mar 32	7 Mar 23	8 Mar 42
9 Mar 36	10 Mar 41	11 Mar 43	12 Mar 44	13 Mar 39	14 Mar 48	15 Mar 52
16 Mar 54	17 Mar 48	18 Mar 38	19 Mar 43	20 Mar 33	21 Mar 31	22 Mar 46
23 Mar 53	24 Mar 65	25 Mar 64	26 Mar 73	27 Mar 66	28 Mar 49	29 Mar 59
30 Mar 53	31 Mar 55	1 Apr 73	2 Apr 75	3 Apr 53	4 Apr 58	5 Apr 51

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 53	31 Mar 55	1 Apr 73	2 Apr 75	3 Apr 53	4 Apr 58	5 Apr 51
6 Apr 49	7 Apr 47	8 Apr 56	9 Apr 55	10 Apr 45	11 Apr 51	12 Apr 55
13 Apr 64	14 Apr 50	15 Apr 67	16 Apr 64	17 Apr 118	18 Apr 143	19 Apr 69
20 Apr 62	21 Apr 49	22 Apr 49	23 Apr 55	24 Apr 50	25 Apr 51	26 Apr 64
27 Apr 84	28 Apr 64	29 Apr 61	30 Apr 63	1 May 46	2 May 79	3 May 62

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 84	28 Apr 64	29 Apr 61	30 Apr 63	1 May 46	2 May 79	3 May 62
4 May 79	5 May 79	6 May 62	7 May 56	8 May 52	9 May 49	10 May 64
11 May 63	12 May 71	13 May 90	14 May 83	15 May 73	16 May 56	17 May 62
18 May 78	19 May 107	20 May 84	21 May 80	22 May 88	23 May 89	24 May 78
25 May 66	26 May 69	27 May 84	28 May 95	29 May -	30 May -	31 May -

Health Advice For People Living In
La Union

1.2Cigarettes per day

Weekly 8.4 Cigarettes

Monthly 36.0 Cigarettes

Breathing the air in this location is as harmful as smoking 1.2 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

La Union

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

Mid. Chances of Asthma

Asthma

Risk of Asthma symptoms is Mid. when AQI is Poor (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

Valdivia, Chile

Puerto Aysen, Chile

La Union, Chile

Osorno, Chile

Puerto Montt, Chile

Santiago, Chile

San Bernardo, Chile

Vina Del Mar, Chile

Rancagua, Chile

10.

Valparaiso, Chile

Moderate

6xabove Standard

Last Updated: 30 May 2025, 05:43 PM

AQI City Rankings

Air Quality Solutions For La Union
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 La Union

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 La Union

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 La Union

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 La Union

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.

La Union'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 La Union

Frequently Asked Questions About Air Quality

What is the current AQI level in La Union?

The current real-time AQI level in La Union is 125 (Poor) due to recent rainfall by 0.01mm/hr. This was last updated 2025-05-30 01:24:12 PM (Local Time).

When was the best AQI level in La Union in the last 24 hours?

The best AQI level was 60 (Moderate) at 7:09 AM (Local Time) during the last 24 hours.

When was the worst AQI level in La Union in the last 24 hours?

The worst AQI level was 131 (Poor) at 11:09 PM, May 29, 2025 (Local Time) during the last 24 hours.

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

The AQI levels in La Union have been fluctuating throughout the last 24 hours. The levels have increased by highest 131 at 11:09 PM, May 29, 2025 (Local Time), lowest 60 at 7:09 AM (Local Time).

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

Current AQI levels are unhealthy for Sensitive individuals, they should reduce prolonged or heavy outdoor exertion.