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 6pm
54
54
34 9pm
40
44
47 12am
49
50
51 3am
52
53
53 6am
53
53
54 9am
54
54
54 12pm
54
54
54 3pm
54
54
AD 728×90

Air Quality Index Trend

46h · 118 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

46h · 118 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
Get AQI alerts for Santa Ana

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T04:54 UTC.