Air Quality Ranking — San Marino
Updated
Which San Marino neighborhoods have the highest air quality score? All 8 neighborhoods ranked. City average: 8/10. How air quality is measured →
Top Air Quality Neighborhoods — Ranked
Air quality remains consistently good with rare instances of elevated readings. This level of cleanliness is in line with the San Marino city average according to iHuus data.
Air quality is consistently high with rare instances of elevated readings. This level of cleanliness is typical for the San Marino area according to iHuus data.
Air quality is consistently good with rare instances of elevated readings. This level of air purity is consistent with the average found throughout San Marino.
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Full San Marino Air Quality Ranking
| Neighborhood | Score | City Rank | vs. City Avg |
|---|---|---|---|
| Mission District | 8 | #1 | — |
| East Village | 8 | #2 | — |
| Huntington Library | 8 | #3 | — |
| Poet's Quarter | 8 | #4 | — |
| Lacy Estates | 8 | #5 | — |
| Library District | 8 | #6 | — |
| Lower Huntington | 8 | #7 | — |
| Upper East Side | 8 | #8 | — |
iHuus Neighborhood Intelligence Insights
Get address-level neighborhood insights for San Marino
- 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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