Air Quality in Daly City, United States

Cloudy
12.3°C · 85.6% humidity
12.3°
Feels 12.3°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
66 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
10 4am
10
3
23 7am
17
13
10 10am
8
7
6 1pm
5
4
4 4pm
4
11
10 7pm
10
10
10 10pm
10
10
10 1am
10
10
Station readings
13
18
12
8
CAMS model adj -24
34
34
27
27
27
27
27
27
27
27
27
27
27
27
34
34
34
34
34
34
34
34
34
34
AD 728×90

Air Quality Index Trend

36h · 1 stn

Daly City's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Daly City is 1.1× the WHO annual guideline of 5 µg/m³.

85.6%
Humidity
27.1 km/h
Wind WNW
1016.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
23
5.62 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Daly City?

Temperature & Precipitation

PM2.5 Trend

36h · 1 station
PM2.55.62 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (66 stations within 25 km)
5.62
Median
5.44
Average
2.22
Low
11.0
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +0.6

What is the 7-day forecast for Daly City?

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 Daly City?

22
Clay Ave Park
4.9 km PM2.5: 5.3 µg/m³
22
UCSF Parnassus
6.2 km PM2.5: 5.3 µg/m³
22
Buri Buri Park
6.2 km PM2.5: 5.3 µg/m³
23
Carroll Ave. & 3rd St. (BC)
6.3 km PM2.5: 5.5 µg/m³
22
Orange Memorial Park
6.5 km PM2.5: 5.3 µg/m³
20
Grand and Magnolia St
6.6 km PM2.5: 4.9 µg/m³
22
California and Hawthorn Pl
6.9 km PM2.5: 5.2 µg/m³
20
Gardiner Park
7.0 km PM2.5: 4.9 µg/m³
35
Rise South City Office
7.1 km PM2.5: 8.4 µg/m³
33
Cypress and Pine Playlot
7.1 km PM2.5: 7.9 µg/m³

What cities are near Daly City?

21 Parkside 25 Visitacion Valley 24 Noe Valley 24 Mission District 27 South San Francisco 26 Bayview-Hunters Point 25 San Francisco 23 San Bruno 23 Pacifica 23 Millbrae
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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 2026-05-29T14:49 UTC.