Stay updated with real-time air quality in Sunnyvale, California featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
33
Good
Sunnyvale, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.74 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.72 μg/m³
0
55
155
255
425
605+
30.45 ppb
0
55
71
86
201
201+
0.53 ppb
0
36
76
186
605
1005+
4.52 ppb
0
54
101
361
1250
2050+
0.25 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Sunnyvale, California
Sunnyvale, California
Scroll To Air Quality MapLoading...
AQI 33
Good
5.74μg/m³
PM2.5
19.72μg/m³
PM10
30.45ppb
O3
0.53ppb
SO2
4.52ppb
NO2
0.25ppm
CO
AQI 39
Good
6.21μg/m³
PM2.5
26.16μg/m³
PM10
41.59ppb
O3
0.53ppb
SO2
4.39ppb
NO2
0.25ppm
CO
AQI 36
Good
5.78μg/m³
PM2.5
25.28μg/m³
PM10
39.28ppb
O3
0.48ppb
SO2
3.85ppb
NO2
0.27ppm
CO
AQI 43
Good
5.89μg/m³
PM2.5
25.66μg/m³
PM10
46.11ppb
O3
0.53ppb
SO2
4.37ppb
NO2
0.23ppm
CO
AQI 37
Good
6.50μg/m³
PM2.5
26.73μg/m³
PM10
40.50ppb
O3
0.54ppb
SO2
4.26ppb
NO2
0.25ppm
CO
AQI 40
Good
6.40μg/m³
PM2.5
26.96μg/m³
PM10
43.03ppb
O3
0.54ppb
SO2
4.59ppb
NO2
0.24ppm
CO
The air quality data for California, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Sunnyvale, California are available every hour.
Sunnyvale, California experienced its worst air quality at 09:00:00, 2026-04-24.
The best air quality in Sunnyvale, California was observed at 10:00:00 on 2026-04-25.
The air quality in Sunnyvale, California right now is Good, with an AQI of 33.
In Sunnyvale, California, PM2.5 is the most frequently found pollutant.
When air quality in Sunnyvale, California is compromised, staying indoors and wearing a mask can reduce health risks.
Sunnyvale, California currently has a PM2.5 concentration of 5.74 μg/m3.
Sunnyvale, California currently has a PM10 concentration of 19.722 μg/m3.
The current carbon monoxide (CO) level in Sunnyvale, California is 0.251 ppm.
The current sulfur dioxide (SO2) concentration in Sunnyvale, California is 0.526 ppb.
Sunnyvale, California currently has an ozone (O3) concentration of 30.452 ppm.
The current level of nitrogen dioxide (NO2) in Sunnyvale, California is 4.519 ppb.
All Rights Reserved © Ambee Inc. 2025