Tag: air-quality
All the articles with the tag "air-quality".
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How to Read the Air Quality Index (AQI): What the Numbers and Colors Actually Mean
Green means good, maroon means hazardous — but what do the AQI numbers between them mean for your health? A complete guide to understanding and acting on air quality data.
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How to Improve Indoor Air Quality Without an Air Purifier: 10 Science-Backed Methods
Before buying an air purifier, most homes can dramatically improve air quality with free or cheap changes. Here are 10 methods backed by EPA and Harvard research.
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Seasonal Indoor Air Quality Guide: Spring Allergies, Summer Humidity, Fall Wildfires, Winter Dry Air
Updated:Each season brings different indoor air quality challenges. Here's what to expect — and exactly what to do — for spring pollen, summer humidity, fall wildfire smoke, and winter dryness.
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Air Purifier vs Humidifier vs Dehumidifier: Which One Do You Actually Need?
These three devices solve completely different problems. Here's how to tell which one you need — and why buying the wrong one makes things worse.
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Kitchen Air Quality: Why Your Gas Stove Is Polluting Your Home (and What to Do About It)
A 2022 Stanford study found that gas stoves leak methane and nitrogen dioxide even when turned off. Here's what the science says about kitchen air pollution — and the practical steps that actually reduce your exposure.
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MERV Ratings Explained: Which HVAC Filter Should You Use for Better Indoor Air?
MERV 8, MERV 11, MERV 13 — the numbers on furnace filters actually mean something. We explain what each rating catches, when to upgrade, and when a higher MERV can damage your system.