Air Quality in Daly City, United States

Cloudy
22.2°C · 70.8% humidity
22.2°
Feels 22.2°
10
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
9 5am
9
9
10 8am
9
9
9 11am
9
9
9 2pm
9
2
2 5pm
9
9
9 8pm
9
9
9 11pm
9
9
9 2am
9
9
Station readings
8
10
CAMS model adj -25
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

41h · 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.

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
10
2.29 µg/m³
PM10▲
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Daly City?

Temperature & Precipitation

PM2.5 Trend

41h · 1 station
PM2.52.29 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (1 station within 25 km)
2.29
Median
2.29
Average
2.29
Low
2.29
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +5.1
Both models agree Avg diff: 2.2°C

Where are air quality stations near Daly City?

25
Clay Ave Park
4.9 km PM2.5: 6.1 µg/m³
22
UCSF Parnassus
6.2 km PM2.5: 5.2 µg/m³
23
Buri Buri Park
6.2 km PM2.5: 5.4 µg/m³
23
Orange Memorial Park
6.5 km PM2.5: 5.6 µg/m³
22
Grand and Magnolia St
6.6 km PM2.5: 5.2 µg/m³
28
California and Hawthorn Pl
6.9 km PM2.5: 6.7 µg/m³
22
Gardiner Park
7.0 km PM2.5: 5.2 µg/m³
29
Rise South City Office
7.1 km PM2.5: 7.0 µg/m³
35
Cypress and Pine Playlot
7.1 km PM2.5: 8.5 µg/m³
23
California and Cypress Ave
7.2 km PM2.5: 5.5 µg/m³

What cities are near Daly City?

10 Parkside 10 Visitacion Valley 10 Noe Valley 10 Mission District 10 South San Francisco 10 Bayview-Hunters Point 10 San Francisco 10 San Bruno 10 Pacifica 10 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 2026-09-05T15:07 UTC.