AQI PM2.5 PM10 CO SO2 NO2 O3

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Leon Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-06-09 03:39:47 PM (Local Time)

Live AQI

Air Quality is

Moderate

pm10 : 22 µg/m³

PM2.5 : 11 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

25 °C

Last Updated: 2025-06-09 03:39:47 PM (Local Time)

Map

Leon

Major Air Pollutants
Leon

Particulate Matter(PM2.5)

11µg/m³

Particulate Matter(PM10)

22µg/m³

Carbon Monoxide(CO)

18ppb

Sulfur Dioxide(SO2)

1ppb

Nitrogen Dioxide(NO2)

3ppb

Ozone(O3)

21ppb

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AQI Graph

Historical Air Quality Data
Leon

24 Hours

AQI

Leon

Want air quality data?

AQI Trends - Annual Air Quality Changes
Leon, Castille Leon, Spain

AQI

Year

AQI

Annual AQI Trends

2020

27AQI

2021

30AQI

11%

Rise

2022

38AQI

27%

Rise

2023

34AQI

-11%

Fall

2024

34AQI

No Change

2025

29AQI

-15%

Fall

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

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedJanuary, 202250AQI

Least PollutedApril, 202523AQI

* This data analysis is from year 2020 - 2025

Leon's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Ctg Gate

Moderate

Ctg Villalba

Good

Ctlr Okay

Moderate

Ctlr Pictures

Moderate

Ctlr Ventosilla

Moderate

La Robla

Moderate

Lario

Good

Leon I

Moderate

Leon Iv

Moderate

Spain's Metro Cities
Air Quality Index

Barcelona

Malaga

Valencia

Zaragoza

Air Quality Calendar 2025
Leon

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 63	2 Jan 62	3 Jan 61	4 Jan 55
5 Jan 34	6 Jan 32	7 Jan 31	8 Jan 38	9 Jan 35	10 Jan 34	11 Jan 31
12 Jan 31	13 Jan 36	14 Jan 47	15 Jan 48	16 Jan 47	17 Jan 39	18 Jan 40
19 Jan 46	20 Jan 41	21 Jan 38	22 Jan 32	23 Jan 31	24 Jan 32	25 Jan 30
26 Jan 33	27 Jan 32	28 Jan 32	29 Jan 31	30 Jan 33	31 Jan 36	1 Feb 38

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 33	27 Jan 32	28 Jan 32	29 Jan 31	30 Jan 33	31 Jan 36	1 Feb 38
2 Feb 36	3 Feb 31	4 Feb 34	5 Feb 43	6 Feb 48	7 Feb 44	8 Feb 33
9 Feb 36	10 Feb 42	11 Feb 39	12 Feb 33	13 Feb 30	14 Feb 31	15 Feb 25
16 Feb 39	17 Feb 31	18 Feb 36	19 Feb 39	20 Feb 38	21 Feb 30	22 Feb 22
23 Feb 26	24 Feb 30	25 Feb 30	26 Feb 29	27 Feb 27	28 Feb 26	1 Mar 24

March

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

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 25	31 Mar 28	1 Apr 27	2 Apr 40	3 Apr 24	4 Apr 27	5 Apr 21
6 Apr 21	7 Apr 26	8 Apr 31	9 Apr 26	10 Apr 31	11 Apr 33	12 Apr 27
13 Apr 21	14 Apr 21	15 Apr 16	16 Apr 16	17 Apr 18	18 Apr 19	19 Apr 15
20 Apr 18	21 Apr 19	22 Apr 20	23 Apr 20	24 Apr 21	25 Apr 23	26 Apr 19
27 Apr 20	28 Apr 22	29 Apr 24	30 Apr 23	1 May 23	2 May 26	3 May 28

May

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

June

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
1 Jun 39	2 Jun 22	3 Jun 26	4 Jun 23	5 Jun 22	6 Jun 23	7 Jun 22
8 Jun 40	9 Jun -	10 Jun -	11 Jun -	12 Jun -	13 Jun -	14 Jun -
15 Jun -	16 Jun -	17 Jun -	18 Jun -	19 Jun -	20 Jun -	21 Jun -
22 Jun -	23 Jun -	24 Jun -	25 Jun -	26 Jun -	27 Jun -	28 Jun -
29 Jun -	30 Jun -	1 Jul -	2 Jul -	3 Jul -	4 Jul -	5 Jul -

Health Advice For People Living In
Leon

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.

Prevent Health Problems: Understand Your Risks

Leon

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
Spain

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

Sevilla, Spain

Moderate

5xabove Standard

Vitoria Gasteiz, Spain

Jaen, Spain

Getxo, Spain

Madrid, Spain

San Adrian, Spain

Pamplona, Spain

Granada, Spain

Tudela, Spain

10.

Linares, Spain

Moderate

4xabove Standard

Last Updated: 09 Jun 2025, 01:55 PM

AQI City Rankings

Air Quality Solutions For Leon
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 Leon

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 Leon

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 Leon

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 Leon

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.

Leon'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 Leon

Frequently Asked Questions About Air Quality

What is the current AQI level in Leon?

The current real-time AQI level in Leon is 54 (Moderate). This was last updated 2025-06-09 03:39:47 PM (Local Time).

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

The best AQI level was 50 (Good) at 12:09 PM (Local Time) during the last 24 hours.

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

The worst AQI level was 60 (Moderate) at 11:09 AM (Local Time) during the last 24 hours.

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

The AQI levels in Leon have been fluctuating throughout the last 24 hours. The levels have increased by highest 60 at 11:09 AM (Local Time), lowest 50 at 12:09 PM (Local Time).

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

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