COWAY USA RENTAL · ILLINOIS
Coway Water & Air Purifier Rental in Illinois
An essential choice for those who want to protect a healthy home from an unclean environment—discover Coway products, always backed by Coway’s experience and technology.
Clean Lake Michigan water, lead pipes at the curb. That's Illinois.
Chicago has more lead service lines than any other U.S. city. Add some of the nation's worst smog, and a day when Canadian wildfire smoke gave it the worst air in the world. Here is the picture, based on public data.
Updated September 2026 · Sources listed belowIllinois by the numbers
From WBEZ and Inside Climate News reporting, the American Lung Association and Illinois EPA alerts
- Lead service lines statewide~1 million, most of any state
- City plan completion target2076 (8,300 a year)
- Pace the new federal rule requires~20,000 a year
- Chicago homes on lead lines~80% (2020 reporting)
The city's plan runs decades behind the new federal timeline, according to reporting. Either way, replacement will take a long time.
If you rent or own an older home in the city, it's worth finding out what your service line is made of.
The AQI hit 228, in the "very unhealthy" range. Alongside the Illinois EPA alert, residents were advised to close windows, run air purifiers and wear masks outdoors.
Year-round particles also fail at 13th worst, with Cook County the metro's worst on both (ALA 2026). About 2.2 million Illinois children live with unhealthy air.
Where you live changes what matters
Lead lines are a city issue; smog and wildfire smoke hit the whole metro.
City of ChicagoNorth and Northwest Side and beyond
Where the most lead service lines remain. Cook County is the metro’s worst for both ozone and year-round particles.
Northwest & North SuburbsGlenview, Niles, Northbrook, Schaumburg
Service line materials vary by water system, so check your local inventory.
South Suburbs · Indiana LineSouth Cook, Will County, Lake County (IN)
Lake County, Indiana has the metro’s worst short-term particle pollution (F). Close to industrial areas.
A year in Illinois air
Spring pollen, summer smog and smoke, and a long winter with the windows shut.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tree pollen | ||||||||||||
| Ragweed | ||||||||||||
| Ozone (smog) | ||||||||||||
| Canadian wildfire smoke | ||||||||||||
| Heating season, windows shut |
Typical patterns only; they vary year to year. Canadian wildfire smoke can return several times in a single season.
Below the lead action level. Is that enough?
Chicago's water leaves treatment from Lake Michigan meeting standards. The problem is the last stretch to your home. The city's lead service line replacement plan targets 2076, so many households will keep getting water through lead lines for years.
Using that data, Johns Hopkins researchers estimated that about 68% of Chicago children under 6 (about 129,000) live in homes with detectable lead in their tap water (JAMA Pediatrics, 2024). The data came from households that requested free tests, so it doesn't perfectly represent the whole city, but the direction is clear.
The researchers also estimated that 1 in 5 exposed children drink unfiltered tap water as their main source. Replacing service lines will take decades; putting a lead-certified purifier at the one tap you drink from is something you can do today. Check each model's certifications on its product page. Chicago residents can also request a free lead test kit through 311 to see their own numbers.
For the air side: HEPA filters capture wildfire smoke particles well, but ozone is a gas and HEPA filters don't remove it.
Check your own water in 3 minutes
Worried about your service line? Find the right purifier for your home.
- Inside Climate News / Grist / WBEZ, Chicago lead pipe replacement plan (2025)
- WBEZ, Chicago lead service lines and home testing (2020)
- Circle of Blue, federal lead rule and Chicago’s timeline (2024)
- American Lung Association, State of the Air 2026 Illinois release
- Governing, Chicago’s air worst of 95 world cities (June 2023)
- WTTW, Illinois EPA air quality alert and precautions (2023)
- Johns Hopkins, childhood lead exposure from Chicago tap water (JAMA Pediatrics, 2024) · CBS Chicago · EPA Lead and Copper Rule Improvements (2024)
Coway focuses on your home well-being
Coway is committed to your home’s well-being through premium products and services, modern design, and cutting-edge technology. Experience our solutions for a healthier lifestyle, including water purifiers, air purifiers, bidets, water softeners, and massage chairs.
Premium Air Purifier
Have you ever thought about the quality of the air in your home—the air you live with 24 hours a day, from morning to night? Coway air purifiers keep your indoor air clean by removing ultra-fine dust as well as odors. We provide the best products and services through regular filter maintenance visits every six months or convenient self-care with filter delivery.
Premium RO-Membrain Water Purifier
Start your day with a refreshing glass of clean water from Coway. Our RO filtration system, verified by certified institutions, delivers trusted performance. It removes harmful substances such as viruses and heavy metals, while the Inno Filter enhances the taste, making your water richer and more enjoyable.
Free Delivery and Installation! Heart Service
From friendly consultation to ongoing care, experience Coway’s dedicated service focused on your complete satisfaction. Enjoy free delivery and installation, warranty coverage throughout your contract period, and most importantly, regular maintenance such as complimentary filter replacements and cleaning—so you can count on Coway’s clean and reliable service every step of the way.
Business Office, Restaurant and Home
Coway products help keep every space in your daily life clean and healthy. From workplaces where you spend most of your time to homes where children stay throughout the day, Coway solutions are designed to provide cleaner, healthier environments wherever you are.
Backed by facts, not fiction
Coway operates one of the largest R&D centers in the industry, ensuring that its water filters, air filters, and home wellness appliances are developed based on scientific evidence—not assumptions. With a leading research team and rigorous testing processes, Coway puts your family’s health and well-being first.
Coway Illinois
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Coway Illinois Service Areas
Water purifiers, air purifiers, bidets, and water softeners — all available
| Region | Cities |
|---|---|
| Chicago & North Suburbs | Chicago / Niles / Morton Grove / Skokie / Des Plaines / Glenview / Lake Forest |
| Northwest Suburbs | Addison / Carpentersville / Crystal Lake / McHenry |
| West Suburbs | Westmont / Saint Charles / Crest Hill / DeKalb |
| Northern Illinois & Beyond | Rockford / Lee / Newark / Coal City / Bradley / Oakwood |
Don't see your city? Many surrounding areas are also covered. Call or message us to confirm.
* Service availability may change depending on local Coway branch coverage.
