Air Quality in Santa Ana, United States

Windy
23.9°C · 51.6% humidity
23.9°
Feels 23.9°
31
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
34 3pm
34
34
31 6pm
34
34
34 9pm
34
34
34 12am
34
34
34 3am
34
34
34 6am
34
34
34 9am
34
34
34 12pm
34
34
AD 728×90

Air Quality Index Trend

47h · 2 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.

51.6%
Humidity
64.6 km/h
Wind SW
1009.0 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
31
7.35 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Santa Ana?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.57.35 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250

What is the 7-day forecast for Santa Ana?

06-09
23.9° 18.6°
06-10
23.9° 18.8°
06-11
22.2° 18.4°
06-12
23.7° 18.3°
06-13
25.6° 19.1°
06-14
23.7° 19.1°
06-15
21.2° 17.4°
Both models agree Avg diff: 1.9°C

Where are air quality stations near Santa Ana?

11
Davis Elementary
1.4 km PM2.5: 2.7 µg/m³
22
Villa Intermediate
1.8 km PM2.5: 5.2 µg/m³
20
Kennedy Elementary
1.9 km PM2.5: 4.8 µg/m³
34
Century High School
2.4 km PM2.5: 8.2 µg/m³
23
Monroe Elementary
3.5 km PM2.5: 5.5 µg/m³

What cities are near Santa Ana?

31 Tustin 31 Tustin Legacy 31 North Tustin 31 Garden Grove 30 Westpark 31 Fountain Valley 30 Irvine 30 El Camino Real 30 Woodbridge 31 Northwood
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T01:06 UTC.