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Hong Chen

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Assistant ProfessorOccupational & Environmental Health DivisionUniversity of Toronto

Hong Chen

Assistant Professor

Occupational & Environmental Health Division

Dalla Lana School of Public Health

University of Toronto

Toronto, Ontario, Canada

Supervision signals

Professors usually supervise graduate students in their department's programs.
25 publications in the last five years, latest in 2026.
Senior (last) author on 7 recent papers, a sign of leading a research group.

These signals come from public records, including CIHR, NSERC and SSHRC funding decisions. Ask the professor or the graduate program whether they are taking new students.

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Grants

Publications by year

Counts cover the works listed on the university profile; citation counts come from Dimensions.

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Latest papers

Improving Inference in Air Pollution Epidemiology: The Case for Rethinking Multipollutant Adjustment.
Epidemiology (Cambridge, Mass.) · 2026 · first author
Wildfire smoke PM2.5 as a growing source of emission and the challenges for current air quality regulations.
Environment international · 2026
Weather, air pollution, and migraine: A case-time series analysis examining environmental exposures and transient health outcomes recorded via smartphone application.
Environmental epidemiology (Philadelphia, Pa.) · 2026

All 89 publications

Latest funding

Developing Novel Urban Residential Mobility Indicators to Advance Environmental Measurements for Health: Applications for Premature Mortality in Canadian Cities
CIHR · 2022 · Co-investigator
$100,000
Building Healthier Cities: a Canadian Initiative To Identify Environmental Solutions to curb obesity (The 'Healthy Cities, Healthier Lives' Research Program)
CIHR · 2014 · Co-investigator
$1,250,340
Mathematics of Information Technology and Complex Systems (MITACS)
NSERC · 1998 · Co-investigator
$18,992,250

All 3 grants and awards

89 publications.

Improving Inference in Air Pollution Epidemiology: The Case for Rethinking Multipollutant Adjustment.

Chen H, Quick M, Kaufman JS, Chen C, Kwong JC, Rana J, Kim J, van Donkelaar A, Martin RV, Tjepkema M, Benmarhnia T, Burnett RT

Epidemiology (Cambridge, Mass.)2026First author

DOI: 10.1097/ede.0000000000001967 PMID: 41790994

Wildfire smoke PM2.5 as a growing source of emission and the challenges for current air quality regulations.

Benmarhnia T, Chen C, Do V, Saucier A, Chen H, Kaufman JS

Environment international2026

DOI: 10.1016/j.envint.2026.110305 PMID: 42155253

Weather, air pollution, and migraine: A case-time series analysis examining environmental exposures and transient health outcomes recorded via smartphone application.

Portt AE, Gasparrini A, Ge E, Lay C, Chen H, Smith PM

Environmental epidemiology (Philadelphia, Pa.)2026

DOI: 10.1097/ee9.0000000000000475 PMID: 42109518

Differential Reductions in Total and Compositional PM2.5 Exposure across Socioeconomic and Demographic Groups from Emission Source Mitigation in Canada (2007-2016).

Delic A, Kunarac K, Chen L, Pappin A, van Donkelaar A, Martin R, Chen H

Environmental science & technology2026Senior author

DOI: 10.1021/acs.est.5c17598 PMID: 41979427

Prenatal Exposure to Fine Particulate Matter Components and Autism Risk in Childhood.

Cloutier M, Yu C, Talarico R, Hawken S, Chen H, Weichenthal S, Cakmak S, Hebbern C, Gunz A, van Donkelaar A, Martin RV, Côté JN, Lavigne É

JAMA network open2025

DOI: 10.1001/jamanetworkopen.2025.38882 PMID: 41129149

Response to comment on "Do we need flexible machine-learning algorithms to assess the effect of long-term exposure to fine particulate matter on mortality?".

Chen C, Kaufman JS, Rana J, Benmarhnia T, Chen H

Environmental epidemiology (Philadelphia, Pa.)2025Senior author

DOI: 10.1097/ee9.0000000000000409 PMID: 40666262

Measuring Migraine in Canada and the USA: An Online Survey of Emergency Room and Smartphone Application Use.

Portt AE, Lay C, Chen H, Ge E, Smith PM

The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques2025

DOI: 10.1017/cjn.2025.10140 PMID: 40557828

Prenatal exposure to fine particulate matter composition and risk of cerebral palsy: A population-based retrospective cohort study in Ontario, Canada.

Ahmed A, Hawken S, Gunz A, Talarico R, Yu C, Messerlian C, Zhang Y, Chen H, Weichenthal S, van Donkelaar A, Martin RV, Lavigne É

Environmental pollution (Barking, Essex : 1987)2025

DOI: 10.1016/j.envpol.2025.126302 PMID: 40280264

Impact of the 2023 wildfire smoke episodes in Ontario, Canada, on asthma and other health outcomes: an interrupted time-series analysis.

Chen H, Kaufman JS, Chen C, Wang J, Maier A, van Dijk A, Slipp N, Rana J, MacIntyre E, Su Y, Kim J, Benmarhnia T

CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne2025First author

DOI: 10.1503/cmaj.241506 PMID: 40324806

Associations of prenatal exposure to residential greenspace and active living environments with cerebral palsy: A population-based cohort study in Ontario, Canada.

Ahmed A, Hawken S, Gunz A, Talarico R, Yu C, Chen H, Villeneuve PJ, Lavigne É

Environmental epidemiology (Philadelphia, Pa.)2025

DOI: 10.1097/ee9.0000000000000379 PMID: 40207298

Profile data last refreshed on July 30, 2025 from the university directory, publication records and CIHR, NSERC and SSHRC funding.

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Hong Chen

Latest papers

Latest funding

Improving Inference in Air Pollution Epidemiology: The Case for Rethinking Multipollutant Adjustment.

Wildfire smoke PM2.5 as a growing source of emission and the challenges for current air quality regulations.

Weather, air pollution, and migraine: A case-time series analysis examining environmental exposures and transient health outcomes recorded via smartphone application.

Differential Reductions in Total and Compositional PM2.5 Exposure across Socioeconomic and Demographic Groups from Emission Source Mitigation in Canada (2007-2016).

Prenatal Exposure to Fine Particulate Matter Components and Autism Risk in Childhood.

Response to comment on "Do we need flexible machine-learning algorithms to assess the effect of long-term exposure to fine particulate matter on mortality?".

Measuring Migraine in Canada and the USA: An Online Survey of Emergency Room and Smartphone Application Use.

Prenatal exposure to fine particulate matter composition and risk of cerebral palsy: A population-based retrospective cohort study in Ontario, Canada.

Impact of the 2023 wildfire smoke episodes in Ontario, Canada, on asthma and other health outcomes: an interrupted time-series analysis.

Associations of prenatal exposure to residential greenspace and active living environments with cerebral palsy: A population-based cohort study in Ontario, Canada.

Developing Novel Urban Residential Mobility Indicators to Advance Environmental Measurements for Health: Applications for Premature Mortality in Canadian Cities

Building Healthier Cities: a Canadian Initiative To Identify Environmental Solutions to curb obesity (The 'Healthy Cities, Healthier Lives' Research Program)

Mathematics of Information Technology and Complex Systems (MITACS)

Frequent collaborators

Scott Weichenthal

Éric Lavigne

Scott Weichenthal

Karen Tu

Eric Crighton

Mark Walker

Teresa To

Audrey Smargiassi

Audrey Smargiassi

Hong Chen

Michael Brauer

Daniel Rainham

Sasha Bernatsky

Steven Hawken

Erjia Ge

Anna Gunz

Sasha Bernatsky

Elaina MacIntyre

Rahim Moineddin

Jessica Widdifield

Matilda Van Den Bosch

Stephanie Gower

Jeff Kwong

Marianna Ofner

Christa Orchard

Blayne Welk