Air Quality in Redwood City, United States

Overcast
10.5°C · 92.5% humidity
10.5°
Feels 10.5°
11
Good
Air quality is satisfactory. Enjoy outdoor activities.
17 stations

Nearby Monitoring Stations

AQI Forecast
34 4am
34
27
11 7am
16
19
21 10am
23
24
25 1pm
25
26
26 4pm
26
34
34 7pm
34
34
34 10pm
34
34
34 1am
34
34
AD 728×90

Air Quality Index Trend

48h · 1 stn

Redwood 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.

92.5%
Humidity
26.1 km/h
Wind SW
1016.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
11
2.64 µg/m³
PM10▲
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Redwood City?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.52.64 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (17 stations within 25 km)
2.64
Median
4.67
Average
1.9
Low
8.42
High
PM2.5 µg/m³ · Model: 6.5 · Bias: +3.9

What is the 7-day forecast for Redwood City?

05-29
18.7° 10.5°
05-30
16.0° 12.4°
05-31
21.7° 14.7°
06-01
21.0° 11.0°
06-02
18.6° 10.3°
06-03
22.2° 8.9°
06-04
21.3° 9.9°
Both models agree Avg diff: 2.9°C

Where are air quality stations near Redwood City?

59
Redwood City, San Mateo, California
2.9 km PM2.5: 15.9 µg/m³
15
Redwood City, San Mateo, California
2.9 km PM2.5: 3.6 µg/m³
13
Emerald Hills
4.4 km PM2.5: 3.1 µg/m³
10
Berkeley-Palo Alto
8.6 km PM2.5: 2.5 µg/m³
16
Acterra!
13.2 km PM2.5: 3.9 µg/m³
22
Belle Air School
21.4 km PM2.5: 5.3 µg/m³
22
Parkside Intermediate School
21.7 km PM2.5: 5.3 µg/m³
28
Parkside Intermediate School (redeployment)
21.7 km PM2.5: 6.6 µg/m³
13
N Foothhill Blvd
23.3 km PM2.5: 3.1 µg/m³
18
Brentwood Park
24.2 km PM2.5: 4.4 µg/m³

What cities are near Redwood City?

14 San Carlos 17 Belmont 10 Menlo Park 11 East Palo Alto 22 Foster City 11 Palo Alto 23 San Mateo 15 Los Altos 23 Burlingame 15 Mountain View
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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 2026-05-29T14:41 UTC.