Air Quality Ranking — San Mateo
Updated June 22, 2026
See how neighborhoods in San Mateo 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 in Baywood fluctuates between acceptable and unhealthy levels, matching the city average. Sensitive individuals may experience occasional concerns during periods of poor air quality, according to iHuus data.
Air quality levels in this area are consistent with the San Mateo average. Residents may experience occasional days with air quality concerns that could affect sensitive groups, according to iHuus data.
Air quality in this area fluctuates between acceptable and unhealthy levels, matching the general average for San Mateo. Sensitive groups may experience occasional concern during certain periods, according to iHuus data.
Full San Mateo Air Quality Ranking
| Neighborhood | Score | City Rank | vs. City Avg |
|---|---|---|---|
| Baywood | 6 | #1 | — |
| Baywood Park | 6 | #2 | — |
| College Heights | 6 | #3 | — |
| Foothill Terrace | 6 | #4 | — |
| Los Prados | 6 | #5 | — |
| Edgewater Isle | 6 | #6 | — |
| Laurelwood | 6 | #7 | — |
| Parkside | 6 | #8 | — |
| North Shoreview | 6 | #9 | — |
| San Mateo Park | 6 | #10 | — |
| South Shoreview | 6 | #11 | — |
| Westshore | 6 | #12 | — |
| San Mateo Village | 6 | #13 | — |
| Southwest Hillsdale | 6 | #14 | — |
| B-Delaware Strip | 6 | #15 | — |
| Bridgepointe | 6 | #16 | — |
| Central | 6 | #17 | — |
| Aragon | 6 | #18 | — |
| Bay Meadows | 6 | #19 | — |
| Baywood Knolls | 6 | #20 | — |
| Central Business District | 6 | #21 | — |
| Country Club Heights | 6 | #22 | — |
| East San Mateo | 6 | #23 | — |
| Fiesta Gardens | 6 | #24 | — |
| Hayward Park | 6 | #25 | — |
| Lauriedale | 6 | #26 | — |
| Mariners Island | 6 | #27 | — |
| Nineteenth Avenue | 6 | #28 | — |
| North Central | 6 | #29 | — |
| Northeast Hillsdale | 6 | #30 | — |
| Northwest Hillsdale | 6 | #31 | — |
| San Mateo Heights | 6 | #32 | — |
| Shoreline Park | 6 | #33 | — |
| Southeast Hillsdale | 6 | #34 | — |
| Sunnybrae | 6 | #35 | — |
| Twenty-Fifth Ave | 6 | #36 | — |
iHuus Neighborhood Intelligence Insights
Get block-level neighborhood insights for San Mateo
- 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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