Hilltop Water Tank

Monitoring Station · Santa Rosa, United States
19
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
20 6pm
19
21
21 9pm
21
21
21 12am
21
21
21 3am
34
34
46 6am
46
—
— 9am
—
—
— 12pm
—
—
— 3pm
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Station readings
20
19
CAMS model adj +9
12
12
12
12
12
12
12
12
12
12
25
25
37
37

Air Quality Trend (24h)

PM2.54.5 µg/m³ ✓ WHO
Good

Nearby Monitoring Stations

34
Healdsburg
3.7 km PM2.5: 8.2 µg/m³
18
Healdsburg Swim Center
3.7 km PM2.5: 4.2 µg/m³
15
Healdsburg Plaza
3.8 km PM2.5: 3.5 µg/m³
19
Barbieri Park
4.5 km PM2.5: 4.6 µg/m³
21
Trione Vineyard
9.3 km PM2.5: 5.0 µg/m³
16
Pepperwood Hill 1524
11.3 km PM2.5: 3.9 µg/m³
15
Modini ACR
11.4 km PM2.5: 3.6 µg/m³
20
GNTA pizza oven
13.0 km PM2.5: 4.8 µg/m³

Nearby Cities

19 Santa Rosa 14 Rohnert Park 13 Clearlake 12 Agua Caliente 9 Petaluma 13 Napa 9 Novato 15 Ukiah 14 American Canyon

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T21:17 UTC.