Air Quality in Placentia, United States

Partly Cloudy
29.6°C · 54.0% humidity
29.6°
Feels 33.0°
48
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast
83 5am
83
66
48 8am
53
45
47 11am
49
51
52 2pm
52
53
53 5pm
53
54
54 8pm
54
54
66 11pm
66
66
66 2am
66
66
AD 728×90

Air Quality Index Trend

45h · 130 stn

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

54.0%
Humidity
38.8 km/h
Wind SW
1015.8 hPa
Pressure
2.2
UV Moderate
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 Placentia?

Temperature & Precipitation

PM2.5 Trend

45h · 130 stations
PM2.511.58 µg/m³ ✓ WHO
Good
PM1073.05 µg/m³
Moderate
UV INDEX2.2
Moderate
AD 300×250

What is the 7-day forecast for Placentia?

09-05
31.9° 25.3°
09-06
36.6° 22.7°
09-07
34.0° 24.6°
0.5 mm
09-08
32.2° 20.8°
0.31 mm
09-09
35.2° 21.3°
09-10
33.0° 19.6°
09-11
38.7° 23.7°
Both models agree Avg diff: 4.3°C

Where are air quality stations near Placentia?

11
Davis Elementary
12.8 km PM2.5: 2.7 µg/m³
11
Villa Intermediate
14.5 km PM2.5: 2.7 µg/m³
20
Kennedy Elementary
15.6 km PM2.5: 4.8 µg/m³
29
Century High School
15.9 km PM2.5: 7.0 µg/m³
8
Monroe Elementary
17.6 km PM2.5: 2.0 µg/m³

What cities are near Placentia?

48 Fullerton 48 Yorba Linda 48 Brea 48 Anaheim 38 La Habra 36 Buena Park 25 Rowland Heights 42 Garden Grove 34 Stanton 48 North Tustin
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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 2026-09-05T15:49 UTC.