Air Quality in Santa Ana, United States

Windy
26.7°C · 68.3% humidity
26.7°
Feels 26.7°
48
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast
54 6am
54
54
48 9am
53
57
59 12pm
61
63
64 3pm
64
65
53 6pm
53
54
54 9pm
54
34
34 12am
54
54
54 3am
54
54
AD 728×90

Air Quality Index Trend

45h · 121 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.

68.3%
Humidity
42.1 km/h
Wind WSW
1016.0 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
48
11.58 µg/m³
PM10▲
60
73.05 µg/m³
050100150200300500

What is the weather forecast for Santa Ana?

Temperature & Precipitation

PM2.5 Trend

45h · 121 stations
PM2.511.58 µg/m³ ✓ WHO
Good
PM1073.05 µg/m³
Moderate
UV INDEX6.9
High
AD 300×250
Both models agree Avg diff: 3.2°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?

48 Tustin 48 Tustin Legacy 42 North Tustin 48 Garden Grove 48 Westpark 48 Fountain Valley 48 Irvine 42 El Camino Real 42 Woodbridge 42 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 2026-09-05T16:41 UTC.