Air Quality in Santa Cruz, United States

Cloudy
11.2°C · 85.9% humidity
11.2°
Feels 11.2°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
13 stations

Nearby Monitoring Stations

AQI Forecast
54 1am
54
54
25 4am
33
19
23 7am
19
22
23 10am
24
25
26 1pm
26
26
26 4pm
27
27
25 7pm
25
25
25 10pm
25
25
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.

85.9%
Humidity
8.8 km/h
Wind NNE
1016.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
25
6.1 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Santa Cruz?

Temperature & Precipitation

PM2.5 Trend

46h · 38 stations
PM2.56.1 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (13 stations within 25 km)
6.1
Median
4.99
Average
2.44
Low
7.38
High
PM2.5 µg/m³ · Model: 9.75 · Bias: +3.7

What is the 7-day forecast for Santa Cruz?

06-09
22.2° 11.0°
06-10
24.4° 11.7°
0.06 mm
06-11
23.4° 13.8°
0.06 mm
06-12
23.2° 12.3°
0.06 mm
06-13
24.9° 10.7°
0.06 mm
06-14
23.1° 12.8°
0.13 mm
06-15
19.3° 11.6°
Both models agree Avg diff: 4.2°C

Where are air quality stations near Santa Cruz?

27
UCSC Lower Campus
2.0 km PM2.5: 6.5 µg/m³
24
UCSC EFH
3.1 km PM2.5: 5.7 µg/m³
16
Santa Cruz - Soquel Avenue, Santa Cruz, California
3.7 km PM2.5: 3.8 µg/m³
23
EHS HWF
3.8 km PM2.5: 5.5 µg/m³
28
UCSC West Campus
3.9 km PM2.5: 6.8 µg/m³
31
Santa Cruz
3.9 km PM2.5: 7.4 µg/m³
27
Capitola - New Brighton Middle School
7.4 km PM2.5: 6.4 µg/m³
13
Scotts Valley
8.5 km PM2.5: 3.1 µg/m³
12
Felton (Cal-Fire)
9.1 km PM2.5: 2.9 µg/m³
10
Zayante (Station 1)
10.6 km PM2.5: 2.4 µg/m³

What cities are near Santa Cruz?

30 Live Oak 25 Watsonville 15 Los Gatos 13 Saratoga 18 Campbell 19 Morgan Hill 28 Marina 11 Cupertino 28 Prunedale 24 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 2026-06-09T11:46 UTC.