Updated
Which Rancho Cucamonga neighborhoods have the highest air quality score? All 7 neighborhoods ranked. City average: 6.02/10. How air quality is measured →

Air quality levels are consistent with the Rancho Cucamonga average, presenting a mix of acceptable and unhealthy days that may occasionally affect sensitive groups.
Air quality in this area fluctuates between acceptable and unhealthy levels, presenting occasional concerns for sensitive groups. This pattern is consistent with the average air quality levels found throughout Rancho Cucamonga.
Air quality in this area fluctuates between acceptable and unhealthy levels, matching the typical conditions found throughout Rancho Cucamonga. Sensitive individuals should monitor local reports for days when air quality may cause concern.
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| Neighborhood | Score | City Rank | vs. City Avg |
|---|---|---|---|
| Etiwanda | 6 | #1 | — |
| Central North | 6 | #2 | — |
| Central South | 6 | #3 | — |
| Cucamonga | 6 | #4 | — |
| Eastside | 6 | #5 | — |
| Red Hill | 6 | #6 | — |
| Southeast | 6 | #7 | — |
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