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California wildfires, flood damage and more affecting air quality at home

With the recent wildfires in California, air quality is once again top-of-mind for many people across the U.S. In a recent New York Times article about air purifiers, writer Kristin Wong mentioned the impact of smoke on long-term health, stating that short-term exposure to smoke does not pose many long-term risks. However, the story states that certain groups, such as children, the elderly, people who are pregnant, or people with asthma or cardiovascular disease are susceptible to health hazards as a result of exposure to smoke. The story also mentions that air pollution and air quality are not simply linked to wildfire smoke, but various other contaminants that we each breathe in daily. So what are we breathing, and what are some ways to keep up-to-date on your local air quality?

If you live in a city, you may be familiar with smog and pollution caused by mass transit. Cities often have lower air quality compared to non-urban locales, but those who live in the suburbs or rural areas are exposed to triggers such as allergens, which may be more prevalent in areas with abundant foliage. Air quality can change based on a variety of environmental and human factors, including seasonal changes, weather conditions, manufacturing and production.

According to the World Health Organization, the major contributors to outdoor air pollution include particulate matter, ozone, nitrogen oxides, carbon monoxide and sulfur dioxide. These contaminants affect different parts of the body at different levels and various intensities depending on the amount of exposure. Some countries, such as India and China, see over 1.1 million premature deaths related to outdoor air pollution in a single year. Although air pollution in the U.S. has not yet reached this level, when disasters such as wildfires affect areas in the U.S., air quality drops to record, dangerous lows. Other natural disasters, such as massive flooding from hurricanes like Harvey, which hit Texas this year, can have a negative impact on air quality as well, with fungus and mould spores growing in affected homes.

To stay up to date on the outdoor air quality in your area, you can check out the EPA’s AirNow site, which lets you look up local air quality conditions by zip code and state. If you or someone you know is living in an area that frequently experiences unhealthy air conditions, you may benefit from using a HEPA air purifier in your home. HEPA air purifiers, such as Airmega, are designed to help trap contaminants in the air and keep you and your family safe so that you can breathe deeper.

Disclaimers

1 Airmega air purifiers have been proven to trap dust, pollen, dander in the air based on KCL(Korea Conformity Laboratories) testing. They have been tested according to the Korea Air Cleaning Association standard (SPS-KACA 002-132:2022 Modified) to measure the 0.01㎛ size of particle removal rate. It was tested on maximum airflow speed in normal room temperature and humidity conditions. The performance may vary in the actual living environment of customers. Tested with Airmega Aim, 50, 100, 150, Tower AP-1216L, Mighty AP-1512HH, MightyS AP-1512HHS, 200M, Icon, 230, 240, 250, 250S, 300, 300S, 350, 400, 400S, 450, ProX

2Our HEPA filter complies with IEST-RP-CC007 standards at speed level 1 as tested by SGS (Société Générale de Surveillance). SGS's test report only reflects SGS's evaluation of the sample and does not reflect the evaluation of the batch of goods from which the sample was taken. Tested with Airmega 100, 150, 160, Mighty AP-1512HH, MightyS AP-1512HHS, 200M, 230, 240, 250, 250S, 250 Art, 300, 300S, 350, 400, 400S, 450, ProX

3 Tested by KCL(Korea Conformity Laboratories) according to JEM 1467: 2015 condition, the concentration of acetic acid was proven to be reduced up to 99.5% in 60 minutes. Results may vary depending on actual environment. Tested with Airmega 150, Mighty AP-1512HH, 200M

4 Tested by KCL(Korea Conformity Laboratories) according to SPS-KACA002-132:2022, showed result of over 99.5% removal rate of common household gases including Ammonia, Acetaldehyde, Acetic acid, Formaldehyde, Toluene, Benzene, Nitrogen dioxide (NO₂), and Sulfur dioxide (SO₂) within 30 minutes. Results may vary in different environments and not all odors or gas particles may be removed. Tested with Airmega MightyS AP-1512HHS, 250S, 300S, 400S, 350, 450

5 Test conducted using Coway Allergen filter media (5×5 cm) placed in a polyethylene bag. The allergen solution and sample were immersed in 2 mL of phosphate buffer (100 ng/mL) prior to the reaction and heat-sealed to specimen size. The reaction was maintained at 4°C for 24 hours. Nichinichi Pharmaceutical Co., Ltd. conducted the test using ELISA to measure allergen concentration. Results may vary in actual product usage environments. Tested with Airmega Mighty AP-1512HH, 200M

6 Removal rates of Ammonia (NH₃) and Hydrogen Sulfide (H₂S) were tested in a 1 m³ chamber under EL608:2023 conditions for 30 minutes. Gas Detector Tubes were used for measurement, and testing was conducted by KCL (Korea Conformity Laboratories). Results may vary in actual product usage environments. Tested with Airmega Mighty AP-1512HH, 200M

7 Reduction rates of Naphthalene, Sulfur Dioxide, and Nitrogen Dioxide were tested using the Airmega Mighty AP-1512HH in 1㎥ chamber, following JEM-1467:2015 standards. Tests were conducted by Intertek. Actual performance may vary depending on the living environment. Tested with Airmega Mighty AP-1512HH, 200M

9 Tested by KCL(Korea Conformity Laboratories) according to SPS-KACA002-132:2022. The test was conducted with Methyl mercaptan, Isovaleraldehyde, Isovaleric acid in a 1.0±0.1 m³ chamber with a test time of 60 minutes at (24±4)°C and (46±10)% Relative Humidity. A removal ratio of over 99.5% was achieved. Results may vary depending on the actual usage environment. Tested with Airmega 350, 450

10 Tested by the Guangzhou Institute of Microbiology, exposed the filter media to protein solutions for 24 hours under ISO 4333-2022 standard. The results showed strong reduction performance: >99.79% for pollen, >99.60% for dog allergen, >99.90% for cat allergen, and >99.80% for dust mites matter allergen. Actual results may vary depending on room size, airflow, and pollutant levels. Tested with Airmega 350, 450

11 Tested by KCL(Korea Conformity Laboratories) according to SPS-KACA002-132:2022. The test was conducted in a 1.0±0.1 m³ chamber for 60 minutes at (24±4)°C and (46±10)% Relative Humidity. A removal ratio of >99.5% was achieved for Formaldehyde and Toluene in 60 minutes. Results may vary depending on the actual usage environment. Tested with Airmega 350, 450

12 Tested by Intertek. The evaluation was conducted against designated test materials: Sulfur dioxide, Nitrogen dioxide, and Naphthalene. The test was performed in a sealed 1.0×1.0×1.0 m (1.0 m³) odor chamber at a test room temperature of (23±2)°C (measured between 23.6∼23.9°C) and a test room humidity of (45±5)% R.H. (measured between 40∼48)% Relative Humidity. It met the odor removal rate of ≥99.9% for Sulfur dioxide, Nitrogen dioxide, and Naphthalene. Results may vary depending on the actual usage environment. Tested with Airmega 350, 450

* Order Acceptance and Right to Cancel: The receipt of an order confirmation does not constitute Coway’s acceptance of an order. Coway reserves the right, at its sole discretion and at any time after receiving your order, to accept, decline, or cancel your order for any reason. If Coway cancels your order after you have already been billed, we will notify you via the email address provided and issue a full refund of any billed amounts immediately.

**Shipping Policy & Restrictions: Free standard ground shipping is available only for qualifying orders shipped to standard residential and commercial addresses within the Canadian provinces. Please note that we do not ship to P.O. Boxes. We reserve the right to exclude and cancel free shipping to the Canadian Territories (Yukon, Northwest Territories, and Nunavut), as well as certain remote locations or postal codes—including remote areas within British Columbia (BC)—that qualify as remote regions under carrier guidelines. In such cases, Coway reserves the right to cancel the order and issue a full refund.