AQI PM2.5 PM10 CO SO2 NO2 O3

Live

Saint Denis Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-05-27 05:54:38 PM (Local Time)

Live AQI

Air Quality is

Good

pm10 : 16 µg/m³

PM2.5 : 5 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

25 °C

Last Updated: 2025-05-27 05:54:38 PM (Local Time)

Map

Saint Denis

Major Air Pollutants
Saint Denis

Particulate Matter(PM2.5)

5µg/m³

Particulate Matter(PM10)

16µg/m³

Carbon Monoxide(CO)

132ppb

Sulfur Dioxide(SO2)

0ppb

Nitrogen Dioxide(NO2)

4ppb

Ozone(O3)

22ppb

Trending in Reunion

How Air Pollution Fuels COPD—and What You Can Do About It?

The Mask Returns: COVID Cases Spike in Singapore, Hong Kong, and India

Long-Term Exposure to Polluted Air and Its Impact on Heart Health: A Global Perspective

Methane Emissions from Delhi’s Landfills: An Invisible Threat

Carbon monoxide (CO) or PM2.5: Which is more dangerous for human health and the environment?

The Hidden Link Between Air Pollution and Parkinson’s Disease: What the Study Shows?

IS AIR POLLUTION SOLELY OUR FAULT? DEBUNKING THE MYTH WITH HARD TRUTH

From Smog to Songbirds: How the U.S. Clean Air Act Cleared the Skies

Two Worlds, One Breath: World Asthma Day 2025 and the Link Between Air Pollution and Asthma

Case Study : How Prana Air Helped the American School of Bombay in Improving Air Quality?

Why Air Quality Monitoring is Essential for Sustainable Development: Key Insights

Understand the Indoor Air Quality in Schools: Is Your Child Breathing Safe Air?

Sleep Interrupted: How Air Pollution Steals Your Res

Understanding the AQI: What the Air You Breathe Means for Your Health

AQI Graph

Historical Air Quality Data
Saint Denis

24 Hours

AQI

Saint Denis

Want air quality data?

AQI Trends - Annual Air Quality Changes
Saint Denis, Reunion General , Reunion

AQI

Year

AQI

Annual AQI Trends

2020

29AQI

2021

31AQI

Rise

2022

31AQI

No Change

2023

27AQI

-13%

Fall

2024

34AQI

26%

Rise

2025

35AQI

Rise

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

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedJuly, 202457AQI

Least PollutedDecember, 202323AQI

* This data analysis is from year 2020 - 2025

Saint Denis's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Lislet Geoffroy

Good

Reunion's Metro Cities
Air Quality Index

Saint Benoit

Saint Denis

Air Quality Calendar 2025
Saint Denis

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 45	2 Jan 36	3 Jan 39	4 Jan 41
5 Jan 30	6 Jan 29	7 Jan 31	8 Jan 29	9 Jan 31	10 Jan 31	11 Jan 36
12 Jan 46	13 Jan 41	14 Jan 43	15 Jan 44	16 Jan 33	17 Jan 36	18 Jan 33
19 Jan 39	20 Jan 36	21 Jan 41	22 Jan 60	23 Jan 39	24 Jan 33	25 Jan 31
26 Jan 36	27 Jan 33	28 Jan 31	29 Jan 31	30 Jan 35	31 Jan 36	1 Feb 43

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 36	27 Jan 33	28 Jan 31	29 Jan 31	30 Jan 35	31 Jan 36	1 Feb 43
2 Feb 40	3 Feb 45	4 Feb 40	5 Feb 50	6 Feb 42	7 Feb 37	8 Feb 35
9 Feb 44	10 Feb 36	11 Feb 38	12 Feb 35	13 Feb 38	14 Feb 38	15 Feb 34
16 Feb 33	17 Feb 34	18 Feb 38	19 Feb 40	20 Feb 33	21 Feb 32	22 Feb 32
23 Feb 37	24 Feb 27	25 Feb 28	26 Feb 31	27 Feb 57	28 Feb 39	1 Mar 40

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 37	24 Feb 27	25 Feb 28	26 Feb 31	27 Feb 57	28 Feb 39	1 Mar 40
2 Mar 44	3 Mar 43	4 Mar 50	5 Mar 45	6 Mar 40	7 Mar 37	8 Mar 42
9 Mar 46	10 Mar 36	11 Mar 43	12 Mar 31	13 Mar 32	14 Mar 31	15 Mar 40
16 Mar 42	17 Mar 38	18 Mar 32	19 Mar 32	20 Mar 35	21 Mar 32	22 Mar 32
23 Mar 31	24 Mar 31	25 Mar 36	26 Mar 34	27 Mar 36	28 Mar 31	29 Mar 26
30 Mar 28	31 Mar 28	1 Apr 30	2 Apr 29	3 Apr 30	4 Apr 30	5 Apr 27

April

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

May

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

Health Advice For People Living In
Saint Denis

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.

Prevent Health Problems: Understand Your Risks

Saint Denis

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
Reunion

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

Saint Benoit, Reunion

Saint Denis, Reunion

Saint Denis, Reunion

Last Updated: 27 May 2025, 04:24 PM

AQI City Rankings

Air Quality Solutions For Saint Denis
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 Saint Denis

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 Saint Denis

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 Saint Denis

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 Saint Denis

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.

Saint Denis'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 Saint Denis

Frequently Asked Questions About Air Quality

What is the current AQI level in Saint Denis?

The current real-time AQI level in Saint Denis is 26 (Good) due to recent rainfall by 0.02mm/hr. This was last updated 2025-05-27 05:54:38 PM (Local Time).

When was the best AQI level in Saint Denis in the last 24 hours?

The best AQI level was 28 (Good) at 8:24 PM, May 26, 2025 (Local Time) during the last 24 hours.

When was the worst AQI level in Saint Denis in the last 24 hours?

The worst AQI level was 43 (Good) at 2:09 AM (Local Time) during the last 24 hours.

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

The AQI levels in Saint Denis have been fluctuating throughout the last 24 hours. The levels have increased by highest 43 at 2:09 AM (Local Time), lowest 28 at 8:24 PM, May 26, 2025 (Local Time).

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

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