Air Quality Ranking — Mill Valley
Updated June 22, 2026
See how neighborhoods in Mill Valley compare on air quality. Rankings are based on measured data aggregated across each neighborhood boundary. How air quality is measured →
Top Air Quality Neighborhoods — Ranked
Air quality remains consistently high with infrequent periods of elevated readings. This level of cleanliness is consistent with the broader Mill Valley area, according to iHuus data.
Air quality remains consistently good with rare instances of elevated readings. This level of air purity is in line with the Mill Valley average, according to iHuus data.
Air quality remains consistently good with rare instances of elevated readings. This level of air purity is in line with the Mill Valley average, according to iHuus data.
Full Mill Valley Air Quality Ranking
| Neighborhood | Score | City Rank | vs. City Avg |
|---|---|---|---|
| Alto | 8 | #1 | — |
| Bayfront/Enchanted Knolls/Shelter Ridge | 8 | #2 | — |
| Bayfront/Enchanted Knolls/Shelter Ridge | 8 | #3 | — |
| Cascade Canyon | 8 | #4 | — |
| Downtown/Lytton Square | 8 | #5 | — |
| Downtown/Lytton Square | 8 | #6 | — |
| Miller/Molino | 8 | #7 | — |
| Miller/Molino | 8 | #8 | — |
| Scott Valley | 8 | #9 | — |
| Sycamore/Tamalpais Park | 8 | #10 | — |
| Sycamore/Tamalpais Park | 8 | #11 | — |
| Warner Canyon/Kite Hill | 8 | #12 | — |
| Warner Canyon/Kite Hill | 8 | #13 | — |
| Blithedale Canyon | 8 | #14 | — |
| Muir Woods Park | 8 | #15 | — |
iHuus Neighborhood Intelligence Insights
Get block-level neighborhood insights for Mill Valley
- Street-level scores — see how individual blocks compare, not just neighborhood averages
- Micro-zone boundaries — identify quiet pockets, flood boundaries, and walkable clusters before you visit
- 15 dimensions in full — walkability, noise, air quality, school quality, insurance coverage, population age profile, urban/rural index, and more
- Boundary risk alerts — know if your address sits near a block boundary where scores drop, the kind of detail no listing will ever mention
- School insights — individual school ratings and insights, not just district-level data
- Compare before you commit — side-by-side data across neighborhoods, down to block precision
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