How Do You Sign Up for Columbus, Ohio, Air Quality Alerts?

What Triggers an Air Quality Alert in Columbus?

MORPC issues an Air Quality Alert when its forecasters expect pollution to reach 101 or higher on the Air Quality Index. That's the orange band, which the EPA calls Unhealthy for Sensitive Groups. The scale runs from 0 to 500 and boils pollutant readings down to one color-coded number.

Two pollutants drive nearly every Central Ohio alert. Ground-level ozone builds on hot, sunny, still afternoons, mostly from vehicle exhaust. Fine particle pollution, usually shortened to PM2.5, can spike in any season, so MORPC forecasts it all year. Recent alerts have covered Delaware, Fairfield, Franklin, and Licking counties.

Four Ways to Get Columbus Air Quality Alerts

All four options pull from the same daily forecast. Start with the one that matches how you already get your news, then add a second as a backup.

MORPC Alert Emails Through EnviroFlash

MORPC sends its alerts through EnviroFlash, a free system the EPA runs and local agencies tailor to their region. Click the sign-up button on MORPC's air quality page and you'll land on the Central Ohio EnviroFlash page.

1. Open MORPC's air quality page, or go straight to the Central Ohio EnviroFlash page.

2. Type in your email address.

3. Pick alert-only emails or a daily forecast email.

4. Confirm the subscription from your inbox.

Alert emails show up about a day before a forecast Air Quality Alert, and you can change your settings whenever you like. If anyone in your house has asthma, take the daily forecast email. That one extra message each morning lets you watch yellow days trend toward orange. 

AirNow App Push Notifications

The EPA added next-day forecast notifications to its free AirNow app for iPhone and Android in December 2024.

1. Turn on AirNow notifications in your phone's settings.

2. Open the app and tap the menu icon in the upper left.

3. Choose Notifications.

4. Pick the AQI category that should trigger a heads-up, and save as many as 10 locations.

This channel works best if you split time between Columbus and another city, or if your college student lives out of town. It also puts a wildfire smoke map in your pocket.

MORPC's Toll-Free Forecast Line

For households without email or a smartphone, MORPC has listed a toll-free air quality forecast line, 1-888-666-1009, in its outreach materials. It's an easy number to share with an older parent or the neighbor down the street.

Local News and Social Media

MORPC posts alert days on its social channels, and Columbus TV stations usually pass alerts along during weather coverage. I'd treat both as a backup. They only help if you happen to catch the post.

Who Should Sign Up First?

MORPC counts four groups as sensitive: people with heart or lung illness, older adults, young children, and anyone active outdoors. If someone in your home is on that list, you're probably the one deciding whether the afternoon walk or outdoor practice goes ahead. An alert lets you make that call a day early instead of guessing.

• Parents and caregivers of kids with asthma or other breathing conditions.

• School nurses, coaches, and athletic directors who set outdoor practice schedules.

• Daycare and elder care staff in charge of outdoor time.

• Outdoor workers, along with whoever builds their shifts.

What To Do When an Alert Hits

Your first stop is the live air quality Columbus Ohio map which shows the current reading and the pollutant behind it. From there, work down this list.

• Shift outdoor activity. On ozone days, move exercise and yard work to the morning, before levels climb.

• Close up the house. Shut the windows and let your HVAC system recirculate the air inside.

• Run the fan continuously. Flip the thermostat fan from Auto to On so air keeps moving through the filter between heating and cooling cycles.

• Check your filter. A dirty or low-rated filter lets more fine particles slip past. This MERV rating chart breakdown shows which rating fits your system.

• Help cut the pollution. MORPC asks residents to refuel after dusk, skip gas-powered mowers, and bundle errands on alert days.

Why Columbus Sees Air Quality Alerts

MORPC traces most of Central Ohio's ozone to cars and trucks. Summer heat cooks that exhaust into smog. Particle pollution adds a second risk that never takes a season off, and wildfire smoke can send it far higher. On June 28, 2023, smoke from Canadian wildfires gave Central Ohio its first "Unhealthy" air quality level since August 2003.

MORPC also reports that Central Ohio's air keeps improving overall, and most days land in the green or yellow range. Alerts exist so the handful of bad days never catch your family off guard. For added indoor protection, UV light installation in your HVAC system may help reduce certain airborne microorganisms, complementing regular air filtration.

"After years of tracking Central Ohio air quality, I can tell you the warning that protects people is the one they read the night before. By the time you can see haze over downtown, a child with asthma has been breathing it for hours. So I treat the forecast email as a planning tool more than an alarm."

7 Essential Resources 

I lean on these sources for alert sign-ups, forecasts, and health guidance across Central Ohio.

1. MORPC Air Quality Program. Central Ohio's official home for Air Quality Alerts and daily forecasts, with the sign-up button on the page. morpc.org/airquality

2. EPA AirNow Mobile App. A free app with current AQI readings, forecasts, and saved locations, plus the fire and smoke map. airnow.gov/airnow-mobile-app

3. EPA AirNow Notification Announcement. The EPA walks through how next-day forecast push notifications work and how to turn them on. epa.gov AirNow push notifications release

4. Franklin County Public Health Sustainability. The county's overview of its air quality and environmental health monitoring work. myfcph.org/sustainability

5. NIEHS Air Pollution and Your Health. A federal research summary on what ozone and particles do to the body. niehs.nih.gov air pollution

6. National Weather Service Air Quality Safety. How the NWS and EPA build daily air quality forecasts. weather.gov/safety/airquality

7. UCLA Health on High-Pollution Days. Practical asthma steps for days when the AQI climbs past 100. uclahealth.org asthma guidance

3 Statistics

1. Franklin County averages 4.8 unhealthy days a year for short-term particle pollution. The American Lung Association gave the county an F for it in its 2026 State of the Air report and ranked the Columbus metro 34th worst in the nation. lung.org 2026 State of the Air Ohio

2. Roughly 955,568 Ohio adults, about 10.4%, currently have asthma. CDC's 2021 survey data places every one of them in the sensitive group these alerts are built to protect. cdc.gov state asthma data

3. Ohio EPA pulled air data from 113 monitoring sites across 45 counties in 2024. At least one Franklin County monitor logged a 24-hour PM2.5 exceedance that year. Ohio EPA 2024 Air Quality Report

Final Thoughts 

After testing every channel, I'm convinced the alert itself is the easy part. What protects your family is the plan you settle on before one ever lands. Write your moves down ahead of time, whether that's moving practice indoors, shutting the windows, or flipping the fan to On, so nobody has to work it out on a hazy afternoon.

My pick is the MORPC daily forecast email paired with AirNow notifications set to orange. Most of us spend the bulk of the day indoors, which means the filter in your return grille matters as much on an alert day as the number outside. If yours has been in there a while, this look at what a fresh air filter does for your home is worth five minutes.