What is the air quality in Placentia today?

The current Air Quality Index (AQI) in Placentia is 37 (Good). PM2.5 concentration is 8.76 µg/m³.

What is the temperature in Placentia right now?

The current temperature in Placentia is 26.1°C (feels like 26.1°C). Humidity is 53.2% and wind speed is 58.0 km/h.

Is it safe to go outside in Placentia?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Placentia, United States

Windy

26.1°C · 53.2% humidity

26.1°

Feels 26.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

46h · 128 stn

View full history →

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.

53.2%

Humidity

58.0 km/h

Wind SSW

1012.1 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

8.76 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for Placentia?

Temperature & Precipitation

PM2.5 Trend

46h · 128 stations

PM2.58.76 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

What is the 7-day forecast for Placentia?

10-20

32.5° 24.8°

10-21

26.2° 21.0°

10-22

33.0° 21.9°

10-23

24.8° 21.8°

10-24

25.7° 19.3°

0.19 mm

10-25

29.2° 18.2°

10-26

29.0° 19.8°

4.37 mm

Both models agree Avg diff: 6.1°C

Where are air quality stations near Placentia?

Davis Elementary

12.8 km PM2.5: 2.7 µg/m³

Villa Intermediate

14.5 km PM2.5: 2.7 µg/m³

Kennedy Elementary

15.6 km PM2.5: 4.8 µg/m³

Century High School

15.9 km PM2.5: 7.0 µg/m³

Monroe Elementary

17.6 km PM2.5: 2.0 µg/m³

What cities are near Placentia?

17 Fullerton 35 Yorba Linda 53 Brea 20 Anaheim 37 La Habra 35 Buena Park 46 Rowland Heights 27 Garden Grove 33 Stanton 40 North Tustin

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-10-20T21:44 UTC.