What is the air quality in Brea today?

The current Air Quality Index (AQI) in Brea is 37 (Good). PM2.5 concentration is 8.92 µg/m³.

What is the temperature in Brea right now?

The current temperature in Brea is 32.5°C (feels like 32.5°C). Humidity is 8.7% and wind speed is 8.8 km/h.

Is it safe to go outside in Brea?

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

Air Quality in Brea, United States

Clear

32.5°C · 8.7% humidity

32.5°

Feels 32.5°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

— 10am

—

— 1pm

—

— 4pm

—

— 7pm

—

— 10pm

—

— 1am

—

— 4am

—

— 7am

—

Station readings

Air Quality Index Trend

46h · 1 stn

View full history →

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

8.7%

Humidity

8.8 km/h

Wind S

1015.3 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

8.92 µg/m³

PM10▲

54.9 µg/m³

050100150200300500

What is the weather forecast for Brea?

Temperature & Precipitation

PM2.5 Trend

46h · 1 station

PM2.58.92 µg/m³ ✓ WHO

Good

PM1054.9 µg/m³

Moderate

UV INDEX0.0

Low

What is the 7-day forecast for Brea?

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 Brea?

Garfield HS/Monterey CHS (8677)

26.9 km PM2.5: 9.4 µg/m³

united-states-of-america-san-marino-sierra-madre-boulevard

30.6 km 33.9°C 32.0% RH PM2.5: 5.0 µg/m³ PM10: 5.0 µg/m³

Sierra Park ES (6753)

30.9 km PM2.5: 9.1 µg/m³

Sierra Vista ES (6767)

31.1 km PM2.5: 9.6 µg/m³

What cities are near Brea?

38 La Habra 37 Placentia 38 Fullerton 46 Rowland Heights 35 Yorba Linda 38 Anaheim 37 La Mirada 36 Buena Park 38 Hacienda Heights 42 South San Jose Hills

Get AQI alerts for Brea

Notify me when air quality reaches:

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

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-20T20:55 UTC.