Air Quality in Redwood City, United States

Drizzle
16.3°C · 60.3% humidity
16.3°
Feels 16.3°
14
Good
Air quality is satisfactory. Enjoy outdoor activities.
16 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
17 7pm
16
14
14 10pm
14
14
14 1am
14
14
14 4am
14
14
26 7am
26
26
26 10am
26
39
14 1pm
26
26
26 4pm
26
26
Station readings
17
16
CAMS model adj -11
25
25
25
25
25
25
25
25
25
25
25
25
37
37
37
37
37
50
25
37
37
37
37
37
AD 728×90

PM2.5 Trend (24h)

25h · 108 stations
60.3%
Humidity
48.0 km/h
Wind WSW
1010.0 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Temperature & Precipitation

PM2.53.37 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
3.37
Median
5.01
Average
2.34
Low
24.24
High
PM2.5 µg/m³ · Model: 7.4 · Bias: +4.0
04-09
18.7° 13.2°
0.62 mm
04-10
16.3° 11.5°
1.0 mm
04-11
16.0° 10.3°
04-12
12.4° 9.2°
3.38 mm
04-13
12.8° 7.4°
0.06 mm
04-14
15.2° 7.6°
04-15
17.4° 9.5°

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T22:26 UTC.