Air Quality in Placentia, United States

Windy
30.1°C · 26.9% humidity
30.1°
Feels 30.1°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast
54 4pm
54
54
26 7pm
34
40
44 10pm
47
49
50 1am
51
52
53 4am
53
53
53 7am
54
54
54 10am
54
54
54 1pm
54
54
AD 728×90

Air Quality Index Trend

48h · 2 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.

26.9%
Humidity
62.3 km/h
Wind WSW
1008.5 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
26
6.26 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Placentia?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.56.26 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (3 stations within 25 km)
6.26
Median
6.29
Average
5.18
Low
8.22
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +3.7

What is the 7-day forecast for Placentia?

06-09
30.1° 19.0°
06-10
29.0° 19.6°
06-11
28.0° 19.5°
06-12
28.9° 19.7°
0.13 mm
06-13
32.2° 21.1°
06-14
28.6° 24.0°
06-15
25.4° 17.5°
Both models agree Avg diff: 3.4°C

Where are air quality stations near Placentia?

11
Davis Elementary
12.8 km PM2.5: 2.7 µg/m³
22
Villa Intermediate
14.5 km PM2.5: 5.2 µg/m³
20
Kennedy Elementary
15.6 km PM2.5: 4.8 µg/m³
34
Century High School
15.9 km PM2.5: 8.2 µg/m³
23
Monroe Elementary
17.6 km PM2.5: 5.5 µg/m³

What cities are near Placentia?

26 Fullerton 26 Yorba Linda 26 Brea 26 Anaheim 38 La Habra 36 Buena Park 40 Rowland Heights 26 Garden Grove 30 Stanton 26 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 2026-06-09T02:03 UTC.