AQI PM2.5 PM10 CO SO2 NO2 O3

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Arecibo Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-05-14 09:40:21 AM (Local Time)

Live AQI

Air Quality is

Good

pm10 : 20 µg/m³

PM2.5 : 4 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

26 °C

Last Updated: 2025-05-14 09:40:21 AM (Local Time)

Map

Arecibo

Major Air Pollutants
Arecibo

Particulate Matter(PM2.5)

4µg/m³

Particulate Matter(PM10)

20µg/m³

Carbon Monoxide(CO)

114ppb

Sulfur Dioxide(SO2)

1ppb

Nitrogen Dioxide(NO2)

6ppb

Ozone(O3)

14ppb

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AQI Graph

Historical Air Quality Data
Arecibo

24 Hours

AQI

Arecibo

Want air quality data?

AQI Trends - Annual Air Quality Changes
Arecibo, Puerto Rico, Puerto Rico

AQI

Year

AQI

Annual AQI Trends

2022

0AQI

2023

3AQI

No Change

2024

33AQI

1000%

Rise

2025

35AQI

Rise

Overall Annual Percentage (%) change of AQI in (2022 to 2025)

335%

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedMay, 202445AQI

Least PollutedFebruary, 20230AQI

* This data analysis is from year 2022 - 2025

Arecibo's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

UPRA

Good

Puerto Rico's Metro Cities
Air Quality Index

Caguas

Catano

Ponce

San Juan

Air Quality Calendar 2025
Arecibo

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 52	2 Jan 49	3 Jan 46	4 Jan 35
5 Jan 37	6 Jan 35	7 Jan 31	8 Jan 32	9 Jan 32	10 Jan 32	11 Jan 29
12 Jan 30	13 Jan 32	14 Jan 30	15 Jan 30	16 Jan 29	17 Jan 40	18 Jan 47
19 Jan 40	20 Jan 32	21 Jan 36	22 Jan 30	23 Jan 30	24 Jan 30	25 Jan 32
26 Jan 34	27 Jan 38	28 Jan 35	29 Jan 32	30 Jan 29	31 Jan 31	1 Feb 29

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 34	27 Jan 38	28 Jan 35	29 Jan 32	30 Jan 29	31 Jan 31	1 Feb 29
2 Feb 30	3 Feb 27	4 Feb 29	5 Feb 31	6 Feb 30	7 Feb 30	8 Feb 33
9 Feb 33	10 Feb 35	11 Feb 36	12 Feb 35	13 Feb 30	14 Feb 31	15 Feb 21
16 Feb 37	17 Feb 38	18 Feb 43	19 Feb 36	20 Feb 36	21 Feb 33	22 Feb 32
23 Feb 33	24 Feb 32	25 Feb 31	26 Feb 36	27 Feb 35	28 Feb 37	1 Mar 44

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 33	24 Feb 32	25 Feb 31	26 Feb 36	27 Feb 35	28 Feb 37	1 Mar 44
2 Mar 41	3 Mar 42	4 Mar 36	5 Mar 33	6 Mar 31	7 Mar 32	8 Mar 33
9 Mar 31	10 Mar 34	11 Mar 43	12 Mar 42	13 Mar 40	14 Mar 42	15 Mar 41
16 Mar 42	17 Mar 51	18 Mar 45	19 Mar 42	20 Mar 43	21 Mar 37	22 Mar 42
23 Mar 43	24 Mar 43	25 Mar 39	26 Mar 35	27 Mar 34	28 Mar 40	29 Mar 41
30 Mar 38	31 Mar 37	1 Apr 37	2 Apr 41	3 Apr 42	4 Apr 36	5 Apr 34

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 38	31 Mar 37	1 Apr 37	2 Apr 41	3 Apr 42	4 Apr 36	5 Apr 34
6 Apr 29	7 Apr 25	8 Apr 29	9 Apr 29	10 Apr 44	11 Apr 44	12 Apr 57
13 Apr 54	14 Apr 41	15 Apr 38	16 Apr 35	17 Apr 38	18 Apr 51	19 Apr 49
20 Apr 34	21 Apr 36	22 Apr 25	23 Apr 24	24 Apr 27	25 Apr 23	26 Apr 28
27 Apr 33	28 Apr 29	29 Apr 27	30 Apr 26	1 May 25	2 May 26	3 May 26

May

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

Health Advice For People Living In
Arecibo

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 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

Arecibo

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.

Most Polluted Cities 2025
Puerto Rico

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

Catano, Puerto Rico

Catano, Puerto Rico

San Juan, Puerto Rico

Good

2xabove Standard

Trujillo Alto, Puerto Rico

Ponce, Puerto Rico

Arecibo, Puerto Rico

Caguas, Puerto Rico

Ceiba, Puerto Rico

Mayaguez, Puerto Rico

Good

1xabove Standard

Last Updated: 14 May 2025, 03:26 PM

AQI City Rankings

Air Quality Solutions For Arecibo
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 Arecibo

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 Arecibo

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 Arecibo

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 Arecibo

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.

Arecibo'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 Arecibo

Frequently Asked Questions About Air Quality

What is the current AQI level in Arecibo?

The current real-time AQI level in Arecibo is 19 (Good). This was last updated 2025-05-14 09:40:21 AM (Local Time).

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

The best AQI level was 18 (Good) at 12:10 AM (Local Time) during the last 24 hours.

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

The worst AQI level was 26 (Good) at 10:10 PM, May 13, 2025 (Local Time) during the last 24 hours.

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

The AQI levels in Arecibo have been fluctuating throughout the last 24 hours. The levels have increased by highest 26 at 10:10 PM, May 13, 2025 (Local Time), lowest 18 at 12:10 AM (Local Time).

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

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