Air Quality in Santa Cruz, United States

Drizzle
14.5°C · 78.1% humidity
14.5°
Feels 14.5°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
13 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
21 5pm
20
20
24 8pm
24
11
11 11pm
11
24
24 2am
24
24
24 5am
36
36
36 8am
49
36
36 11am
36
36
36 2pm
24
24
Station readings
21
20
20
CAMS model adj -1
12
25
25
25
25
12
12
12
25
25
25
25
25
37
37
37
50
37
37
37
37
37
25
25
AD 728×90

PM2.5 Trend (24h)

23h · 34 stations
78.1%
Humidity
26.5 km/h
Wind SSW
1012.1 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Santa Cruz?

Temperature & Precipitation

PM2.55.57 µg/m³ ✓ WHO
Good
PM1027.45 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (13 stations within 25 km)
5.57
Median
5.7
Average
4.77
Low
6.94
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +0.3

What is the 7-day forecast for Santa Cruz?

04-09
18.5° 13.5°
1.56 mm
04-10
16.2° 12.1°
0.75 mm
04-11
17.4° 10.2°
1.87 mm
04-12
12.6° 8.9°
1.69 mm
04-13
13.7° 6.6°
0.25 mm
04-14
17.2° 7.8°
04-15
18.1° 10.8°
Both models agree Avg diff: 3.0°C

Where are air quality stations near Santa Cruz?

25
UCSC Lower Campus
2.0 km PM2.5: 6.1 µg/m³
23
UCSC EFH
3.1 km PM2.5: 5.6 µg/m³
17
Santa Cruz - Soquel Avenue, Santa Cruz, California
3.7 km
17
Santa Cruz - Soquel Avenue, Santa Cruz, California
3.7 km
22
EHS HWF
3.8 km PM2.5: 5.2 µg/m³
24
UCSC West Campus
3.9 km PM2.5: 5.8 µg/m³
20
Santa Cruz
3.9 km PM2.5: 4.7 µg/m³
22
Capitola - New Brighton Middle School
7.4 km PM2.5: 5.2 µg/m³
21
Scotts Valley
8.5 km PM2.5: 5.0 µg/m³
24
Felton (Cal-Fire)
9.1 km PM2.5: 5.7 µg/m³

What cities are near Santa Cruz?

23 Live Oak 20 Watsonville 24 Los Gatos 24 Saratoga 28 Campbell 30 Morgan Hill 13 Marina 27 Cupertino 15 Prunedale 12 Pacific Grove

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T20:32 UTC.