Portola Elementary

Monitoring Station · Pacifica, United States

10

Good

Air quality is satisfactory. Enjoy outdoor activities.

Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous

AQI Forecast Calibrated

10 7pm

10

4

4 10pm

4

4

4 1am

4

4

4 4am

4

4

16 7am

16

—

— 10am

—

—

— 1pm

—

—

— 4pm

—

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Station readings

10

10

CAMS model adj -21

25

25

25

25

25

25

25

25

25

25

25

25

37

37

Air Quality Trend (24h)

PM2.52.4 µg/m³ ✓ WHO

Good

Nearby Monitoring Stations

Rollingwood Elementary

1.1 km PM2.5: 2.4 µg/m³

2.4 km PM2.5: 2.7 µg/m³

Parkside Intermediate School

3.2 km PM2.5: 3.0 µg/m³

3.3 km PM2.5: 2.2 µg/m³

San Bruno School District Office

3.3 km PM2.5: 3.1 µg/m³

Berkeley-Pacifica

4.0 km PM2.5: 2.3 µg/m³

Orange Memorial Park

4.1 km PM2.5: 2.3 µg/m³

4.2 km PM2.5: 2.2 µg/m³

Nearby Cities

12 Pacifica 14 San Bruno 15 South San Francisco 13 Millbrae 12 Burlingame 14 Daly City 15 Visitacion Valley 12 San Mateo 15 Bayview-Hunters Point

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T22:21 UTC.