Air Quality in Pacifica, United States

Cloudy
22.2°C · 70.8% humidity
22.2°
Feels 22.2°
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
24 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
10 5am
10
10
24 8am
20
17
15 11am
14
13
12 2pm
11
4
4 5pm
10
10
10 8pm
10
10
10 11pm
10
10
10 2am
10
10
Station readings
8
10
15
CAMS model adj -24
34
34
34
34
34
34
34
34
34
34
34
27
27
34
34
34
34
34
34
34
34
34
34
34
AD 728×90

Air Quality Index Trend

42h · 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.

70.8%
Humidity
4.1 km/h
Wind NNE
1016.4 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
24
5.73 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Pacifica?

Temperature & Precipitation

PM2.5 Trend

42h · 1 station
PM2.55.73 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (24 stations within 25 km)
5.73
Median
6.04
Average
2.76
Low
10.7
High
PM2.5 µg/m³ · Model: 7.1 · Bias: +1.4

What is the 7-day forecast for Pacifica?

09-05
22.2° 14.4°
09-06
20.8° 15.9°
0.06 mm
09-07
19.9° 14.3°
09-08
20.9° 15.2°
09-09
19.5° 15.6°
0.06 mm
09-10
18.0° 15.3°
09-11
17.5° 15.5°
0.13 mm
Both models agree Avg diff: 2.2°C

Where are air quality stations near Pacifica?

21
Portola Elementary
3.2 km PM2.5: 5.1 µg/m³
22
Rollingwood Elementary
4.3 km PM2.5: 5.2 µg/m³
20
Brentwood Park
5.5 km PM2.5: 4.9 µg/m³
25
Clay Ave Park
5.7 km PM2.5: 6.1 µg/m³
23
Buri Buri Park
5.9 km PM2.5: 5.4 µg/m³
26
Parkside Intermediate School
6.0 km PM2.5: 6.3 µg/m³
24
San Bruno School District Office
6.3 km PM2.5: 5.8 µg/m³
26
Garden Ave Residence
6.9 km PM2.5: 6.3 µg/m³
26
Pacific Ave Residence
6.9 km PM2.5: 6.3 µg/m³
23
Orange Memorial Park
7.0 km PM2.5: 5.6 µg/m³

What cities are near Pacifica?

25 San Bruno 28 South San Francisco 25 Millbrae 25 Daly City 25 Burlingame 28 Visitacion Valley 21 Parkside 26 San Mateo 33 Bayview-Hunters Point 25 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 2026-09-05T15:52 UTC.