Air Quality in Pacifica, United States

Cloudy
13.8°C · 78.2% humidity
13.8°
Feels 13.8°
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
27 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
10 7am
10
10
22 10am
19
16
14 1pm
13
12
12 4pm
11
18
18 7pm
17
17
17 10pm
17
17
17 1am
17
17
17 4am
17
17
Station readings
8
18
6
CAMS model adj -17
27
27
27
27
27
27
27
27
27
27
27
34
34
34
34
34
34
34
34
34
34
34
34
34
AD 728×90

Air Quality Index Trend

35h · 1 stn

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

78.2%
Humidity
38.1 km/h
Wind SW
1014.3 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
22
5.15 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Pacifica?

Temperature & Precipitation

PM2.5 Trend

35h · 1 station
PM2.55.15 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX6.9
High
AD 300×250
Station readings (27 stations within 25 km)
5.15
Median
5.35
Average
2.79
Low
10.41
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +1.1

What is the 7-day forecast for Pacifica?

05-29
15.4° 12.3°
05-30
14.0° 12.3°
05-31
16.6° 13.7°
0.25 mm
06-01
16.5° 12.6°
0.06 mm
06-02
15.0° 11.8°
0.06 mm
06-03
15.5° 11.1°
0.06 mm
06-04
17.1° 11.1°
Both models agree Avg diff: 1.9°C

Where are air quality stations near Pacifica?

19
Portola Elementary
3.2 km PM2.5: 4.6 µg/m³
19
Rollingwood Elementary
4.3 km PM2.5: 4.6 µg/m³
18
Brentwood Park
5.5 km PM2.5: 4.3 µg/m³
21
Clay Ave Park
5.7 km PM2.5: 5.0 µg/m³
23
Buri Buri Park
5.9 km PM2.5: 5.6 µg/m³
21
Parkside Intermediate School
6.0 km PM2.5: 5.1 µg/m³
28
Parkside Intermediate School (redeployment)
6.0 km PM2.5: 6.6 µg/m³
21
Orange Memorial Park
7.0 km PM2.5: 5.1 µg/m³
27
Belle Air School
7.3 km PM2.5: 6.4 µg/m³
19
Grand and Magnolia St
7.7 km PM2.5: 4.6 µg/m³

What cities are near Pacifica?

25 San Bruno 28 South San Francisco 23 Millbrae 22 Daly City 23 Burlingame 23 Visitacion Valley 19 Parkside 23 San Mateo 23 Bayview-Hunters Point 21 Noe Valley
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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 2026-05-29T17:40 UTC.