Air Quality in Santa Cruz, United States

Clear
25.1°C · 43.3% humidity
25.1°
Feels 25.1°
16
Good
Air quality is satisfactory. Enjoy outdoor activities.
13 stations

Nearby Monitoring Stations

AQI Forecast
27 2pm
27
27
16 5pm
19
21
23 8pm
31
32
33 11pm
33
33
33 2am
34
34
34 5am
34
34
34 8am
34
34
34 11am
27
27
AD 728×90

Air Quality Index Trend

46h · 35 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.

43.3%
Humidity
30.7 km/h
Wind SSE
1007.3 hPa
Pressure
7.9
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
16
3.85 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Santa Cruz?

Temperature & Precipitation

PM2.5 Trend

46h · 35 stations
PM2.53.85 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX7.9
Very High
AD 300×250
Station readings (13 stations within 25 km)
3.85
Median
3.79
Average
3.33
Low
4.23
High
PM2.5 µg/m³ · Model: 6.5 · Bias: +2.7

What is the 7-day forecast for Santa Cruz?

07-22
27.4° 17.2°
0.06 mm
07-23
22.2° 16.7°
0.06 mm
07-24
30.1° 14.3°
0.06 mm
07-25
26.7° 15.5°
07-26
26.4° 13.7°
0.06 mm
07-27
23.9° 14.1°
0.06 mm
07-28
23.5° 12.7°
0.06 mm
Both models agree Avg diff: 6.1°C

Where are air quality stations near Santa Cruz?

17
UCSC Lower Campus
2.0 km PM2.5: 4.1 µg/m³
16
UCSC EFH
3.1 km PM2.5: 3.8 µg/m³
28
East Campus
3.3 km PM2.5: 6.7 µg/m³
56
Santa Cruz - Soquel Avenue, Santa Cruz, California
3.7 km PM2.5: 14.5 µg/m³
15
EHS HWF
3.8 km PM2.5: 3.5 µg/m³
18
UCSC West Campus
3.9 km PM2.5: 4.3 µg/m³
18
Santa Cruz
3.9 km PM2.5: 4.4 µg/m³
18
Capitola - New Brighton Middle School
7.4 km PM2.5: 4.3 µg/m³
16
Scotts Valley
8.5 km PM2.5: 3.9 µg/m³
14
Felton (Cal-Fire)
9.1 km PM2.5: 3.4 µg/m³

What cities are near Santa Cruz?

18 Live Oak 16 Watsonville 20 Los Gatos 21 Saratoga 22 Campbell 24 Morgan Hill 25 Marina 20 Cupertino 19 Prunedale 18 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 2026-07-22T00:43 UTC.