Air Quality in Santa Cruz, United States

Cloudy
11.6°C · 87.8% humidity
11.6°
Feels 11.6°
14
Good
Air quality is satisfactory. Enjoy outdoor activities.
13 stations

Nearby Monitoring Stations

AQI Forecast
27 5pm
27
27
14 8pm
18
20
22 11pm
24
25
25 2am
26
33
33 5am
34
34
34 8am
34
34
34 11am
34
54
54 2pm
54
54
AD 728×90

Air Quality Index Trend

46h · 38 stn

Santa Cruz's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

87.8%
Humidity
5.2 km/h
Wind SE
1013.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
14
3.35 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Santa Cruz?

Temperature & Precipitation

PM2.5 Trend

46h · 38 stations
PM2.53.35 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (13 stations within 25 km)
3.35
Median
3.55
Average
3.14
Low
4.53
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +2.9
Both models agree Avg diff: 3.9°C

Where are air quality stations near Santa Cruz?

14
UCSC Lower Campus
2.0 km PM2.5: 3.3 µg/m³
13
UCSC EFH
3.1 km PM2.5: 3.2 µg/m³
58
Santa Cruz - Soquel Avenue, Santa Cruz, California
3.7 km PM2.5: 15.4 µg/m³
14
EHS HWF
3.8 km PM2.5: 3.3 µg/m³
15
UCSC West Campus
3.9 km PM2.5: 3.5 µg/m³
14
Santa Cruz
3.9 km PM2.5: 3.4 µg/m³
15
Capitola - New Brighton Middle School
7.4 km PM2.5: 3.5 µg/m³
19
Scotts Valley
8.5 km PM2.5: 4.5 µg/m³
15
Felton (Cal-Fire)
9.1 km PM2.5: 3.6 µg/m³
15
Zayante (Station 1)
10.6 km PM2.5: 3.7 µg/m³

What cities are near Santa Cruz?

14 Live Oak 13 Watsonville 20 Los Gatos 17 Saratoga 22 Campbell 21 Morgan Hill 13 Marina 15 Cupertino 13 Prunedale 13 Pacific Grove
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-30T03:26 UTC.