Check out our new podcast Breathe This. Listen to us on Apple Podcasts Spotify YouTube
Wicon-email Facebook Instagram Youtube Bluesky Twitter
Home
  • COVID/Long COVID

    Understanding COVID-19

    • How COVID Spreads
    • COVID-19 Is Not the Flu
    • Why COVID Still Matters
    • Economic Impact

    Vaccines & Research

    • Vaccine Information & Myths
    • COVID-19 Vaccine Types
    • Research Search

    Prevent & Respond

    • Simple Precautions
    • COVID-19 Testing
    • COVID-19 Treatments
    • PlusLife NAAT Testing

    Masks & Respirators

    • Why Well-Fitting Masks Matter
    • Choosing the Right Mask
    • Global Respirator Standards

    Long COVID

    • Overview
    • Long COVID in Children
    • Immune System Effects
    • POTS
    • ME/CFS
    • Neurological Effects
    • Cardiovascular Effects

    Community & Support

    • Living with Long COVID Stories
    • Online COVID-Aware Communities
    • Mask Blocs
    • Long COVID/PASC Clinics
    • Clinical Trials
    • Mayo Clinic Support Forum
    • Long COVID Alliance
    • NIH RECOVER
    • Patient-Led Research Collaborative
  • Clean Air

    The Basics

    • Why It's A Right
    • Planes, Trains, and Subway...mobiles.
    • How it Impacts You
    • Wildfire & Emissions
    • Economic Impact

    Purifiers

    • CR Boxes
    • Most Cost Effective
    • CADR

    HVAC

    • All About HVAC
    • Research

    Resources

    Air Quality Index

    Check your local AQI

    CADR Calculator

    Find your ideal Air Exchange Rate

    Filter Guide

    From MERV to HEPA - what does it all mean?

    DIY Air Purifiers and Impacts

    Overview

    How to Build your own DIY Air Purifier for Cleaner Air.

  • Projects
    SAFER

    SAFER

    Safe Access to Facilities and Essential Resources

    An open source global directory of businesses, schools, medical providers, restaurants, and other facilities committed to addressing airborne diseases and global health challenges.

    Learn More
    CARE

    CARE for Long COVID

    Conversational AI for Research and Engagement

    Tailored connections to clinical trials, specialists, and verified therapies, while leveraging both anecdotal experiences and scientific data for Long COVID using a cutting-edge conversational AI platform.

    Learn More
    SUPPLY

    SUPPLY

    Helping supplies move to the people who need them

    SUPPLY helps donors, community groups, and staff see what is available, where it is stored, and where it should go next.

    Learn More
    AIRWISE

    AIRWISE

    Airflow Infection Risk With Innovative Simulation Engine

    An interactive, science-based simulation tool that visualizes airborne particle dispersal, airflow complexity, and infection risk across real-world environments.

    Learn More

    We have a number of other projects in process and intend to publish soon involving educational toolkits for schools, community centers, repurposable widgets, and others. 

    All of our projects are open-source, open-data, and open-science. Check back at our github for updates.

  • About

    Our Company

    • Our Mission
    • Core Values
    • Our Board
    • The Team
    • Advisors/Partners
    Listen to Breathe This
    Apple PodcastsSpotifyYouTube

    Public Transparency & Info

    • 501c3 IRS Approval
    • Program One Pager
    • Roadmap One Pager
    • Press Kit
    • Request for Proposals
    • 2025 Annual Report
    • Contact Us

    Press and PSAs

    Chicago Clean Air Resilience Network Launches to Expand Nonprofit Access to Clean Air Equipment and Free N95 Masks

    What a year! Looking back and looking forward, from PHAN CEO Tarz Ludwigsen

    Picture of the earth against the dark of space. Text on top is in red: "public health in the U.s. and globally is heading in the wrong direction" Text below: PHAN believes that the current approach to public health, both in the U.S. and globally, is heading in the wrong direction, and it will result in more airborne pandemics that will be even more severe than COVID. We call on public health officials around the world to support vaccinations and protections from airborne pathogens.

    Statement on the Current Trajectory of U.S. Public Health Policy

    Public Health Action Network Delivers Over 15,000 Essential COVID Protections

  • News

    Blog

    Archaeologist Amanda Finley in a 1 meter by 1 meter pit in Fiji. She is wearing a black shirt, kneeling at the bottom of the pit making a map of the unit.

    The Kids Are (Not) Okay

    All About Mask Blocs! Thurs, May 28th, 12 noon ET / 5pm GMT, Zoom Image of a woman with brown hair wearing a decorated mask Block-letter tiles spell "MASK BLOC" You will need a free zoom account to register: tinyurl.com/maskblocs Hosted by PHAN and Air Support Project

    What is a “Mask Bloc” anyway?

    Clean Air Is Non-Negotiable: A Call for Measurable Solutions

    Read More…

    Zoom Conversations

    Loading videos...
    See More…

    Upcoming Events

    24 Sep, 2026

    Healthy Indoor Air in Schools: Every Breath Shapes Learning

    A morning program from Air Club focused on healthy indoor air in schools.
    405 E 45th St New York, NY 10017 United States
    Join Event
    29 Sep, 2026

    WELL 2026 Healthy Building Policy Summit: Washington D.C.

    A WELL 2026 thematic summit focused on healthy building policy.
    Washington, DC United States + Google Map
    Join Event
    All Events…

    Newsletters

    July 10, 2026 Weekly

    July 3, 2026 Weekly

    June 2026 Newsletter

    May 22nd 2026 Weekly

    May 15th 2026 Weekly

    May 8th 2026 Weekly

    May 2026 Newsletter

    Read More…

  • Merch
Donate
  1. Home
  2. Posts tagged"air quality"

air quality

Understanding How COVID-19 Spreads in the Air—and What You Can Do to Stay Safe
10Nov

Understanding How COVID-19 Spreads in the Air—and What You Can Do to Stay Safe

The COVID-19 pandemic has introduced many of us to new terms and concepts around health
All Categories
  • 501c3
  • Blog
  • Clean Air
  • COVID19
  • Health & Wellness
  • Living With Long Covid
  • Long COVID
  • Masks
  • Newsletters
  • Open Science
  • Press Releases
  • Tests
  • Therapeutics
  • Vaccines
  • Videos

Recent Posts

Chicago Clean Air Resilience Network Launches to Expand Nonprofit Access to Clean Air Equipment and Free N95 Masks

Archaeologist Amanda Finley in a 1 meter by 1 meter pit in Fiji. She is wearing a black shirt, kneeling at the bottom of the pit making a map of the unit.

The Kids Are (Not) Okay

All About Mask Blocs! Thurs, May 28th, 12 noon ET / 5pm GMT, Zoom Image of a woman with brown hair wearing a decorated mask Block-letter tiles spell "MASK BLOC" You will need a free zoom account to register: tinyurl.com/maskblocs Hosted by PHAN and Air Support Project

What is a “Mask Bloc” anyway?

Home
We care immensely about you and what you’re going through as well as the global community. Our goal is to provide tools, resources, evidenced based data, and community in the face of declining public health.

Quick Links

  • Our Mission
  • Our Board
  • Blog
  • Contact Us
  • Candid Profile
  • Charity Navigator Profile
© 2024 Copyright Public Health Action Network. All Rights Reserved
Facebook Instagram Youtube Twitter
Public Health Action Network
  • COVID/Long COVID

    Understanding COVID-19

    • How COVID Spreads
    • COVID-19 Is Not the Flu
    • Why COVID Still Matters
    • Economic Impact

    Vaccines & Research

    • Vaccine Information & Myths
    • COVID-19 Vaccine Types
    • Research Search

    Prevent & Respond

    • Simple Precautions
    • COVID-19 Testing
    • COVID-19 Treatments
    • PlusLife NAAT Testing

    Masks & Respirators

    • Why Well-Fitting Masks Matter
    • Choosing the Right Mask
    • Global Respirator Standards

    Long COVID

    • Overview
    • Long COVID in Children
    • Immune System Effects
    • POTS
    • ME/CFS
    • Neurological Effects
    • Cardiovascular Effects

    Community & Support

    • Living with Long COVID Stories
    • Online COVID-Aware Communities
    • Mask Blocs
    • Long COVID/PASC Clinics
    • Clinical Trials
    • Mayo Clinic Support Forum
    • Long COVID Alliance
    • NIH RECOVER
    • Patient-Led Research Collaborative
  • Clean Air

    The Basics

    • Why It's A Right
    • Planes, Trains, and Subway...mobiles.
    • How it Impacts You
    • Wildfire & Emissions
    • Economic Impact

    Purifiers

    • CR Boxes
    • Most Cost Effective
    • CADR

    HVAC

    • All About HVAC
    • Research

    Resources

    Air Quality Index

    Check your local AQI

    CADR Calculator

    Find your ideal Air Exchange Rate

    Filter Guide

    From MERV to HEPA - what does it all mean?

    DIY Air Purifiers and Impacts

    Overview

    How to Build your own DIY Air Purifier for Cleaner Air.

  • Projects
    SAFER

    SAFER

    Safe Access to Facilities and Essential Resources

    An open source global directory of businesses, schools, medical providers, restaurants, and other facilities committed to addressing airborne diseases and global health challenges.

    Learn More
    CARE

    CARE for Long COVID

    Conversational AI for Research and Engagement

    Tailored connections to clinical trials, specialists, and verified therapies, while leveraging both anecdotal experiences and scientific data for Long COVID using a cutting-edge conversational AI platform.

    Learn More
    SUPPLY

    SUPPLY

    Helping supplies move to the people who need them

    SUPPLY helps donors, community groups, and staff see what is available, where it is stored, and where it should go next.

    Learn More
    AIRWISE

    AIRWISE

    Airflow Infection Risk With Innovative Simulation Engine

    An interactive, science-based simulation tool that visualizes airborne particle dispersal, airflow complexity, and infection risk across real-world environments.

    Learn More

    We have a number of other projects in process and intend to publish soon involving educational toolkits for schools, community centers, repurposable widgets, and others. 

    All of our projects are open-source, open-data, and open-science. Check back at our github for updates.

  • About

    Our Company

    • Our Mission
    • Core Values
    • Our Board
    • The Team
    • Advisors/Partners
    Listen to Breathe This
    Apple PodcastsSpotifyYouTube

    Public Transparency & Info

    • 501c3 IRS Approval
    • Program One Pager
    • Roadmap One Pager
    • Press Kit
    • Request for Proposals
    • 2025 Annual Report
    • Contact Us

    Press and PSAs

    Chicago Clean Air Resilience Network Launches to Expand Nonprofit Access to Clean Air Equipment and Free N95 Masks

    What a year! Looking back and looking forward, from PHAN CEO Tarz Ludwigsen

    Picture of the earth against the dark of space. Text on top is in red: "public health in the U.s. and globally is heading in the wrong direction" Text below: PHAN believes that the current approach to public health, both in the U.S. and globally, is heading in the wrong direction, and it will result in more airborne pandemics that will be even more severe than COVID. We call on public health officials around the world to support vaccinations and protections from airborne pathogens.

    Statement on the Current Trajectory of U.S. Public Health Policy

    Public Health Action Network Delivers Over 15,000 Essential COVID Protections

  • News

    Blog

    Archaeologist Amanda Finley in a 1 meter by 1 meter pit in Fiji. She is wearing a black shirt, kneeling at the bottom of the pit making a map of the unit.

    The Kids Are (Not) Okay

    All About Mask Blocs! Thurs, May 28th, 12 noon ET / 5pm GMT, Zoom Image of a woman with brown hair wearing a decorated mask Block-letter tiles spell "MASK BLOC" You will need a free zoom account to register: tinyurl.com/maskblocs Hosted by PHAN and Air Support Project

    What is a “Mask Bloc” anyway?

    Clean Air Is Non-Negotiable: A Call for Measurable Solutions

    Read More…

    Zoom Conversations

    Loading videos...
    See More…

    Upcoming Events

    24 Sep, 2026

    Healthy Indoor Air in Schools: Every Breath Shapes Learning

    A morning program from Air Club focused on healthy indoor air in schools.
    405 E 45th St New York, NY 10017 United States
    Join Event
    29 Sep, 2026

    WELL 2026 Healthy Building Policy Summit: Washington D.C.

    A WELL 2026 thematic summit focused on healthy building policy.
    Washington, DC United States + Google Map
    Join Event
    All Events…

    Newsletters

    July 10, 2026 Weekly

    July 3, 2026 Weekly

    June 2026 Newsletter

    May 22nd 2026 Weekly

    May 15th 2026 Weekly

    May 8th 2026 Weekly

    May 2026 Newsletter

    Read More…

  • Merch

Categories

  • 501c3
  • Blog
  • Clean Air
  • COVID19
  • Health & Wellness
  • Living With Long Covid
  • Long COVID
  • Masks
  • Newsletters
  • Open Science
  • Press Releases
  • Tests
  • Therapeutics
  • Vaccines
  • Videos