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San Marcos Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-07-31 06:25:09 PM (Local Time)

Live AQI

Air Quality is

Moderate

pm10 : 22 µg/m³

PM2.5 : 10 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

38 °C

Last Updated: 2025-07-31 06:25:09 PM (Local Time)

Map

San Marcos

Major Air Pollutants
San Marcos

Particulate Matter(PM2.5)

10µg/m³

Particulate Matter(PM10)

22µg/m³

Carbon Monoxide(CO)

1ppb

Sulfur Dioxide(SO2)

0ppb

Nitrogen Dioxide(NO2)

4ppb

Ozone(O3)

47ppb

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AQI Graph

Historical Air Quality Data
San Marcos

24 Hours

AQI

San Marcos

No Data Available

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AQI Trends - Annual Air Quality Changes
San Marcos, Texas, United States

AQI

Year

AQI

Annual AQI Trends

2025

44AQI

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

NaN%

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedMay, 202546AQI

Least PollutedJune, 202542AQI

* This data analysis is from year 2025 - 2025

San Marcos's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Fish Hatchery Road

Moderate

Air Quality Calendar 2025
San Marcos

2025

AQI

January

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

February

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

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb -	24 Feb -	25 Feb -	26 Feb -	27 Feb -	28 Feb -	1 Mar -
2 Mar -	3 Mar -	4 Mar -	5 Mar -	6 Mar -	7 Mar -	8 Mar -
9 Mar -	10 Mar -	11 Mar -	12 Mar -	13 Mar -	14 Mar -	15 Mar -
16 Mar -	17 Mar -	18 Mar -	19 Mar -	20 Mar -	21 Mar -	22 Mar -
23 Mar -	24 Mar -	25 Mar -	26 Mar 30	27 Mar 26	28 Mar 26	29 Mar 42
30 Mar 68	31 Mar 59	1 Apr 54	2 Apr 64	3 Apr 71	4 Apr 61	5 Apr 30

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 68	31 Mar 59	1 Apr 54	2 Apr 64	3 Apr 71	4 Apr 61	5 Apr 30
6 Apr 20	7 Apr 22	8 Apr 31	9 Apr 36	10 Apr 40	11 Apr 42	12 Apr 50
13 Apr 40	14 Apr 42	15 Apr 46	16 Apr 46	17 Apr 40	18 Apr 54	19 Apr 62
20 Apr 38	21 Apr 26	22 Apr 43	23 Apr 41	24 Apr 55	25 Apr 50	26 Apr 58
27 Apr 48	28 Apr 51	29 Apr 45	30 Apr 53	1 May 57	2 May 43	3 May 28

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 48	28 Apr 51	29 Apr 45	30 Apr 53	1 May 57	2 May 43	3 May 28
4 May 28	5 May 33	6 May 47	7 May 40	8 May 42	9 May 26	10 May 33
11 May 37	12 May 33	13 May 39	14 May 47	15 May 61	16 May 66	17 May 69
18 May 56	19 May 62	20 May 67	21 May 54	22 May 58	23 May 48	24 May 54
25 May 58	26 May 58	27 May 34	28 May 33	29 May 34	30 May 36	31 May 43

June

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
1 Jun 47	2 Jun 50	3 Jun 58	4 Jun 54	5 Jun 50	6 Jun 54	7 Jun 60
8 Jun 57	9 Jun 48	10 Jun 43	11 Jun 32	12 Jun 26	13 Jun 42	14 Jun 54
15 Jun 49	16 Jun 32	17 Jun 37	18 Jun 56	19 Jun 53	20 Jun 50	21 Jun 32
22 Jun 37	23 Jun 44	24 Jun 29	25 Jun 23	26 Jun 26	27 Jun 22	28 Jun 22
29 Jun 23	30 Jun 45	1 Jul 46	2 Jul 53	3 Jul 40	4 Jul 47	5 Jul 61

July

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Jun 23	30 Jun 45	1 Jul 46	2 Jul 53	3 Jul 40	4 Jul 47	5 Jul 61
6 Jul 60	7 Jul 54	8 Jul 45	9 Jul 33	10 Jul 42	11 Jul 47	12 Jul 38
13 Jul 30	14 Jul 33	15 Jul 49	16 Jul 60	17 Jul 62	18 Jul 47	19 Jul 44
20 Jul 42	21 Jul 48	22 Jul 39	23 Jul 34	24 Jul 27	25 Jul 27	26 Jul 30
27 Jul 36	28 Jul 44	29 Jul 58	30 Jul 54	31 Jul -	1 Aug -	2 Aug -

Air Quality Solutions For San Marcos
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 Marcos

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 Marcos

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 Marcos

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 Marcos

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 Marcos'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.

Recent AQI Blogs
Read the latest news

Here are some latest blogs that you can go through to find out more air pollution.

Minneapolis Air Quality Alert: Wildfire Smoke Pushes Pollution to Unhealthy Levels

31 Jul 2025Shakshi

New Delhi Annual Air Quality: Comparative Analysis of AQI (2020–2025)

26 Jul 2025Gyane Haobijam

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26 Jul 2025Shakshi

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24 Jul 2025Shakshi

What Is the Real Impact of Air Pollution on Property Rates in India?

19 Jul 2025Shakshi

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15 Jul 2025Shakshi

Is Poor Air Quality in Gyms Holding Back Your Fitness Goals?

12 Jul 2025Shakshi

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7 Jul 2025Shakshi

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4 Jul 2025Gyane Haobijam

Arizona Dust Storm 2025: How the Sudden Storm Pushed AQI to Hazardous Levels?

2 Jul 2025Shakshi

Prana Sense

Air Quality Monitor

Air Quality Index depicts the extent of air pollution at a particular location.

Pocket PM

Air Quality Monitor

Know the air quality around you wherever you are with the Pocket monitor to get instant air quality insights.

Cair +

Indoor Air Quality Monitor

Track indoor air quality with advanced connectivity and portability for real-time air quality data.

San Marcos Air Quality Index (AQI) | Air Pollution

Major Air PollutantsSan Marcos

Trending in United States

Historical Air Quality DataSan Marcos

AQI Trends - Annual Air Quality ChangesSan Marcos, Texas, United States

San Marcos's LocationsReal-time Air Pollution Level

Air Quality Calendar 2025San Marcos

Air Quality Solutions For San MarcosExplore the solutions of air quality monitoring & clean air.

San Marcos's AQI Data Analytics SolutionsAir quality data monitoring platforms

Recent AQI BlogsRead the latest news

Prana Sense

Pocket PM

Cair +

Major Air Pollutants
San Marcos

Historical Air Quality Data
San Marcos

AQI Trends - Annual Air Quality Changes
San Marcos, Texas, United States

San Marcos's Locations
Real-time Air Pollution Level

Air Quality Calendar 2025
San Marcos

Air Quality Solutions For San Marcos
Explore the solutions of air quality monitoring & clean air.

San Marcos's AQI Data Analytics Solutions
Air quality data monitoring platforms

Recent AQI Blogs
Read the latest news