Blueair vs Coway:Which is more popular?
In September 2026, Coway had more branded searches than Blueair among air purifier brands worldwide. Coway had about 248,000 branded searches, while Blueair had 110,000. Coway made up 11.8% of all air purifier brand searches we track, and Blueair accounted for 5.3%. When we asked ChatGPT and Google AI Overviews about air purifier brands, Coway appeared in four of the five answers and Blueair in three. Coway was mentioned before Blueair in every answer.
Who do people search for more?
Coway, about 2 searches for every 1 for Blueair
Who does AI mention more?
Coway, mentioned in 4 of 5 answers, Blueair in 3
Who does AI recommend more?
Coway, named ahead of Blueair in every answer
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Top air purifier brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Coway was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Blueair was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Coway was listed before Blueair in every answer.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Levoit5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers- Coway4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Blueair3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Winix3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
IQAir1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
AirDoctor0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about air purifier brands
5 answers
Asked ChatGPT
“Which air purifier brand should I buy?”
Asked ChatGPT
“What are the best air purifier brands?”
Asked ChatGPT
“What's the best air purifier brand for allergy relief?”
Searched Google, AI Overview
“best air purifier”
Searched Google, AI Overview
“air purifier for allergies”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.
Is Blueair or Coway more popular in search?
This chart shows how often people search Google for Blueair and Coway by name. Each line represents a brand's share of searches for all six air purifier brands we track, month by month, from English-language searches worldwide.
Share of searches by month for Coway, Blueair. The figures are in the table below the chart.
View monthly share of searches table
| Month | IQAir | Coway | Levoit | Blueair | Winix | AirDoctor |
|---|---|---|---|---|---|---|
| Oct 2025 | 14.6% | 38.2% | 26.7% | 17% | 2.8% | 0.69% |
| Nov 2025 | 33.2% | 30.2% | 18.8% | 14.6% | 2.4% | 0.89% |
| Dec 2025 | 42.3% | 24% | 19.7% | 11.3% | 2.1% | 0.63% |
| Jan 2026 | 25.7% | 30.8% | 26.4% | 13.8% | 2.8% | 0.46% |
| Feb 2026 | 20.8% | 30.1% | 29.5% | 16.4% | 2.7% | 0.54% |
| Mar 2026 | 16.7% | 34.1% | 28.8% | 16% | 3.9% | 0.54% |
| Apr 2026 | 17.3% | 34.1% | 29.7% | 14.9% | 3.3% | 0.66% |
| May 2026 | 12.1% | 36.6% | 32.2% | 15.1% | 2.7% | 1.2% |
| Jun 2026 | 9.5% | 35.3% | 33.4% | 17.7% | 2.6% | 1.4% |
| Jul 2026 | 26.8% | 28.2% | 27.5% | 14.3% | 2.4% | 0.86% |
| Aug 2026 | 37.1% | 24.8% | 23.8% | 11.9% | 1.8% | 0.57% |
| Sep 2026 | 71.7% | 11.8% | 10.2% | 5.3% | 0.86% | 0.23% |
How has the Blueair and Coway comparison changed over the last 12 months?
3 findings
- Coway was ahead of Blueair in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Blueair’s share of searches among air purifier brands worldwide moved from 17% to 5.3%, and its estimated monthly branded searches held steady at 110K.
- Across the 12 months ending September 2026, Coway’s share of searches among air purifier brands worldwide moved from 38.2% to 11.8%, and its estimated monthly branded searches held steady at 248K.
How did search popularity change for air purifier brands worldwide in September 2026?
2 changes
In September 2026, Coway lost share of searches among air purifier brands worldwide, from 24.8% to 11.8%.
In September 2026, Blueair lost share of searches among air purifier brands worldwide, from 11.9% to 5.3%.
How are branded searches counted?
7 search terms
Brandwave collects information about searches that people make online using Blueair’s and Coway’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
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