Author Page for Ramin Tohidi

The Role of Portable Air Purifiers and Effective Ventilation in Improving Indoor Air Quality in University Classrooms

Number of pages: 31 Posted: 10 Jul 2022

Mohammad Aldekheel, Abdulmalik Altuwayjiri, Ramin Tohidi, Vahid Jalali Farahani and Constantinos Sioutas

University of Southern California, Majmaah University, University of Southern California, University of Southern California and University of Southern California

Downloads 119 (604,538)

Citation 8

Abstract:

2.

Size-Segregated Chemical Composition and Oxidative Potential of Ambient Ultrafine and Accumulation Mode Particles in Los Angeles

Number of pages: 39 Posted: 27 May 2025

Yashar Aghaei, Mohammad Mahdi Badami, Mohammad Aldekheel, Ramin Tohidi, Yousef Alramzi, P. S. Ganesh Subramanian, Vishal Verma, LEONIDAS NTZIACHRISTOS and Constantinos Sioutas

University of Southern California, University of Southern California - Viterbi School of Engineering, Department of Communication Disorders Sciences, University of Southern California, University of Southern California, University of Illinois at Urbana-Champaign, University of Illinois at Urbana-Champaign, Aristotle University of Thessaloniki and University of Southern California

Downloads 52 (1,041,696)

Abstract:

3.

Investigating Urban Emission and Lung-Deposited Surface Area Sources and Their Diurnal Trends in Fine and Ultrafine Pm in Los Angeles

Number of pages: 25 Posted: 05 Aug 2024

Yousef Alramzi, Yashar Aghaei, Mohammad Mahdi Badami, Mohammad Aldekheel, Ramin Tohidi and Constantinos Sioutas

University of Southern California, University of Southern California, University of Southern California - Viterbi School of Engineering, Department of Communication Disorders Sciences, University of Southern California and University of Southern California

Downloads 48 (1,086,013)

Abstract:

4.

Real-Time Measurements of Mineral Dust Concentration in Coarse Particulate Matter (Pm2.5-10) by Employing a Novel Optical-Based Technique in Los Angeles

Number of pages: 34 Posted: 16 Feb 2022

Ramin Tohidi, Vahid Jalali Farahani and Constantinos Sioutas

University of Southern California, University of Southern California and University of Southern California

Downloads 42 (1,157,785)

Abstract:

5.

Los Angeles Basin's Air Quality Transformation: A Long-Term Investigation on the Impacts of Pm Regulations on the Trends of Ultrafine Particles and Co-Pollutants

Number of pages: 29 Posted: 23 Aug 2023

Mohammad Mahdi Badami, Ramin Tohidi and Constantinos Sioutas

University of Southern California - Viterbi School of Engineering, University of Southern California and University of Southern California

Downloads 38 (1,222,651)

Abstract:

6.

Identifying Urban Emission Sources and Their Contribution to the Oxidative Potential of Fine Particulate Matter (Pm2.5) in Kuwait

Number of pages: 45 Posted: 09 Nov 2023

Mohammad Aldekheel, Ramin Tohidi, Ali Al-Hemoud, Fahad Alkudari, Vishal Verma, P. S. Ganesh Subramanian and Constantinos Sioutas

University of Southern California, University of Southern California, Kuwait Institute for Scientific Research, affiliation not provided to SSRN, University of Illinois at Urbana-Champaign, University of Illinois at Urbana-Champaign and University of Southern California

Downloads 37 (1,236,159)

Abstract:

7.

Investigation of Organic Carbon Profiles and Sources of Coarse Pm in Los Angeles

Number of pages: 32 Posted: 08 Jul 2022

Ramin Tohidi, Abdulmalik Altuwayjiri and Constantinos Sioutas

University of Southern California, Majmaah University and University of Southern California

Downloads 35 (1,249,711)

Abstract:

8.

Development and Performance Evaluation of Online Monitors for Real-Time Measurement of Total and Water-Soluble Organic Carbon in Fine and Coarse Ambient Pm

Number of pages: 40 Posted: 28 Jul 2023

Yashar Aghaei, Mohammad Aldekheel, Ramin Tohidi, Mohammad Mahdi Badami, Vahid Jalali Farahani and Constantinos Sioutas

University of Southern California, University of Southern California, University of Southern California, University of Southern California - Viterbi School of Engineering, University of Southern California and University of Southern California

Downloads 34 (1,263,436)

Abstract:

9.

Size-Segregated Source Identification of Water-Soluble and Water-Insoluble Metals and Trace Elements of Coarse and Fine Pm in Central Los Angeles

Number of pages: 37 Posted: 24 Apr 2023

Mohammad Mahdi Badami, Ramin Tohidi, Vahid Jalali Farahani and Constantinos Sioutas

University of Southern California - Viterbi School of Engineering, University of Southern California, University of Southern California and University of Southern California

Downloads 32 (1,304,549)

Ramin Tohidi

University of Southern California

9

437

8

Scholarly Papers (9)

The Role of Portable Air Purifiers and Effective Ventilation in Improving Indoor Air Quality in University Classrooms

Abstract:

Size-Segregated Chemical Composition and Oxidative Potential of Ambient Ultrafine and Accumulation Mode Particles in Los Angeles

Abstract:

Investigating Urban Emission and Lung-Deposited Surface Area Sources and Their Diurnal Trends in Fine and Ultrafine Pm in Los Angeles

Abstract:

Real-Time Measurements of Mineral Dust Concentration in Coarse Particulate Matter (Pm2.5-10) by Employing a Novel Optical-Based Technique in Los Angeles

Abstract:

Los Angeles Basin's Air Quality Transformation: A Long-Term Investigation on the Impacts of Pm Regulations on the Trends of Ultrafine Particles and Co-Pollutants

Abstract:

Identifying Urban Emission Sources and Their Contribution to the Oxidative Potential of Fine Particulate Matter (Pm2.5) in Kuwait

Abstract:

Investigation of Organic Carbon Profiles and Sources of Coarse Pm in Los Angeles

Abstract:

Development and Performance Evaluation of Online Monitors for Real-Time Measurement of Total and Water-Soluble Organic Carbon in Fine and Coarse Ambient Pm

Abstract:

Size-Segregated Source Identification of Water-Soluble and Water-Insoluble Metals and Trace Elements of Coarse and Fine Pm in Central Los Angeles

Abstract: