IQAir vs PurpleAir:Which is more popular by branded search?
In August 2026, IQAir had more branded searches than PurpleAir among air quality monitor brands worldwide. IQAir was estimated to have 379K branded searches compared to PurpleAir’s 368K, and held a 49.5% Share of Search versus PurpleAir’s 48%. These are worldwide searches for English-language branded terms.
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Which is more popular in search, IQAir or PurpleAir?
Compare the air quality monitor brands people buy. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.
Share of Search by month for IQAir, PurpleAir. The figures are in the table below the chart.
View monthly share of search table
| Month | IQAir | PurpleAir | Airthings | Awair | Temtop |
|---|---|---|---|---|---|
| Oct 2025 | 61.1% | 21.3% | 14.3% | 1.9% | 1.5% |
| Nov 2025 | 86.9% | 6.3% | 5.1% | 0.83% | 0.83% |
| Dec 2025 | 86.8% | 7.7% | 4.2% | 0.69% | 0.55% |
| Jan 2026 | 71.4% | 17.1% | 9.3% | 1.2% | 1% |
| Feb 2026 | 72% | 13.9% | 11.4% | 1.5% | 1.2% |
| Mar 2026 | 70.2% | 13.3% | 13.3% | 1.7% | 1.4% |
| Apr 2026 | 72.3% | 13.8% | 11.3% | 1.5% | 1.2% |
| May 2026 | 61.6% | 20.8% | 13.9% | 2.2% | 1.5% |
| Jun 2026 | 37.4% | 51.7% | 8.5% | 1.4% | 1.1% |
| Jul 2026 | 39.6% | 57.4% | 2.3% | 0.37% | 0.37% |
| Aug 2026 | 49.5% | 48% | 1.9% | 0.31% | 0.25% |
| Sep 2026 | — | — | — | — | — |
How has the IQAir and PurpleAir comparison changed over the last 12 months?
3 findings
- The lead changed hands 2 times in the 11 months ending August 2026: PurpleAir took it in June 2026, IQAir took it in August 2026.
- Across the 11 months ending August 2026, IQAir’s estimated Share of Search among air quality monitor brands worldwide moved from 61.1% to 49.5%, and its estimated monthly branded searches moved from 95.2K to 379K.
- Across the 11 months ending August 2026, PurpleAir’s estimated Share of Search among air quality monitor brands worldwide moved from 21.3% to 48%, and its estimated monthly branded searches moved from 33.1K to 368K.
How did search popularity change for air quality monitor brands worldwide in August 2026?
2 changes
In August 2026, IQAir overtook PurpleAir to take the highest estimated Share of Search among air quality monitor brands worldwide, at 49.5%.
In August 2026, PurpleAir lost estimated Share of Search among air quality monitor brands worldwide, from 57.4% to 48%.
How each brand is measured
Brandwave collects information about searches that people make online using IQAir’s and PurpleAir’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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