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)
37
Good
Sunnyvale, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.16 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.72 μg/m³
0
55
155
255
425
605+
40.30 ppb
0
55
71
86
201
201+
0.48 ppb
0
36
76
186
605
1005+
5.26 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Sunnyvale, California
Sunnyvale, California
Scroll To Air Quality MapLoading...
AQI 44
Good
7.90μg/m³
PM2.5
41.17μg/m³
PM10
42.45ppb
O3
0.50ppb
SO2
5.72ppb
NO2
0.30ppm
CO
AQI 48
Good
6.93μg/m³
PM2.5
33.67μg/m³
PM10
52.13ppb
O3
0.51ppb
SO2
5.28ppb
NO2
0.27ppm
CO
AQI 39
Good
5.24μg/m³
PM2.5
24.25μg/m³
PM10
42.21ppb
O3
0.49ppb
SO2
4.67ppb
NO2
0.24ppm
CO
AQI 49
Good
8.42μg/m³
PM2.5
38.67μg/m³
PM10
53.18ppb
O3
0.52ppb
SO2
5.24ppb
NO2
0.25ppm
CO
AQI 58
Moderate
6.38μg/m³
PM2.5
33.07μg/m³
PM10
56.54ppb
O3
0.51ppb
SO2
5.19ppb
NO2
0.28ppm
CO
AQI 54
Moderate
7.27μg/m³
PM2.5
35.52μg/m³
PM10
55.60ppb
O3
0.52ppb
SO2
5.45ppb
NO2
0.27ppm
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 01:00:00, 2026-06-12.
The best air quality in Sunnyvale, California was observed at 04:00:00 on 2026-06-12.
The air quality in Sunnyvale, California right now is Good, with an AQI of 37.
In Sunnyvale, California, O3 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 6.161 μg/m3.
Sunnyvale, California currently has a PM10 concentration of 29.724 μg/m3.
The current carbon monoxide (CO) level in Sunnyvale, California is 0.302 ppm.
The current sulfur dioxide (SO2) concentration in Sunnyvale, California is 0.483 ppb.
Sunnyvale, California currently has an ozone (O3) concentration of 40.305 ppm.
The current level of nitrogen dioxide (NO2) in Sunnyvale, California is 5.256 ppb.
All Rights Reserved © Ambee Inc. 2025