Air Quality in Santa Cruz, United States

Clear
25.1°C · 43.3% humidity
25.1°
Feels 25.1°
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
13 stations

Nearby Monitoring Stations

AQI Forecast
27 12pm
27
27
22 3pm
23
24
25 6pm
26
26
33 9pm
34
34
34 12am
34
34
34 3am
34
34
34 6am
34
34
34 9am
34
34
AD 728×90

Air Quality Index Trend

46h · 36 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
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
22
5.23 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Santa Cruz?

Temperature & Precipitation

PM2.5 Trend

46h · 36 stations
PM2.55.23 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX19.9
Extreme
AD 300×250
Station readings (13 stations within 25 km)
5.23
Median
4.96
Average
4.03
Low
6.18
High
PM2.5 µg/m³ · Model: 6.5 · Bias: +1.3

What is the 7-day forecast for Santa Cruz?

07-21
25.8° 14.3°
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
Both models agree Avg diff: 6.1°C

Where are air quality stations near Santa Cruz?

22
UCSC Lower Campus
2.0 km PM2.5: 5.3 µg/m³
20
UCSC EFH
3.1 km PM2.5: 4.9 µg/m³
28
East Campus
3.3 km PM2.5: 6.7 µg/m³
42
Santa Cruz - Soquel Avenue, Santa Cruz, California
3.7 km PM2.5: 10.1 µg/m³
19
EHS HWF
3.8 km PM2.5: 4.6 µg/m³
23
UCSC West Campus
3.9 km PM2.5: 5.6 µg/m³
25
Santa Cruz
3.9 km PM2.5: 6.1 µg/m³
26
Capitola - New Brighton Middle School
7.4 km PM2.5: 6.2 µg/m³
20
Scotts Valley
8.5 km PM2.5: 4.8 µg/m³
18
Felton (Cal-Fire)
9.1 km PM2.5: 4.3 µg/m³

What cities are near Santa Cruz?

25 Live Oak 20 Watsonville 22 Los Gatos 23 Saratoga 23 Campbell 29 Morgan Hill 28 Marina 22 Cupertino 22 Prunedale 22 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 2026-07-21T22:22 UTC.