Air Quality in Santa Ana, United States

Windy
26.2°C · 54.9% humidity
26.2°
Feels 26.2°
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast
54 2pm
54
54
34 5pm
40
44
47 8pm
49
50
51 11pm
52
53
53 2am
53
53
54 5am
54
54
54 8am
54
54
54 11am
54
54
AD 728×90

Air Quality Index Trend

45h · 119 stn

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

54.9%
Humidity
42.1 km/h
Wind S
1010.4 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
34
8.18 µg/m³
PM10▲
38
41.15 µg/m³
050100150200300500

What is the weather forecast for Santa Ana?

Temperature & Precipitation

PM2.5 Trend

45h · 119 stations
PM2.58.18 µg/m³ ✓ WHO
Good
PM1041.15 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250

What is the 7-day forecast for Santa Ana?

08-03
26.8° 21.8°
08-04
27.2° 22.4°
08-05
29.1° 22.3°
08-06
28.0° 19.7°
08-07
26.0° 21.4°
08-08
26.2° 20.5°
08-09
24.8° 19.3°
Both models agree Avg diff: 2.0°C

Where are air quality stations near Santa Ana?

11
Davis Elementary
1.4 km PM2.5: 2.7 µg/m³
11
Villa Intermediate
1.8 km PM2.5: 2.7 µg/m³
20
Kennedy Elementary
1.9 km PM2.5: 4.8 µg/m³
29
Century High School
2.4 km PM2.5: 7.0 µg/m³
8
Monroe Elementary
3.5 km PM2.5: 2.0 µg/m³

What cities are near Santa Ana?

35 Tustin 35 Tustin Legacy 28 North Tustin 46 Garden Grove 35 Westpark 48 Fountain Valley 35 Irvine 28 El Camino Real 28 Woodbridge 28 Northwood
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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 2026-08-08T00:00 UTC.