Stay updated with real-time air quality in West WhittierLos Nietos, 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)
43
Good
West WhittierLos Nietos, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.46 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.60 μg/m³
0
55
155
255
425
605+
45.97 ppb
0
55
71
86
201
201+
0.34 ppb
0
36
76
186
605
1005+
5.46 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
West WhittierLos Nietos, California
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AQI 43
Good
4.46μg/m³
PM2.5
19.60μg/m³
PM10
45.97ppb
O3
0.34ppb
SO2
5.46ppb
NO2
0.19ppm
CO
AQI 43
Good
4.43μg/m³
PM2.5
19.91μg/m³
PM10
46.00ppb
O3
0.34ppb
SO2
5.48ppb
NO2
0.19ppm
CO
AQI 43
Good
4.34μg/m³
PM2.5
20.58μg/m³
PM10
45.87ppb
O3
0.35ppb
SO2
5.16ppb
NO2
0.19ppm
CO
AQI 43
Good
4.07μg/m³
PM2.5
18.26μg/m³
PM10
45.91ppb
O3
0.33ppb
SO2
5.43ppb
NO2
0.19ppm
CO
AQI 43
Good
4.11μg/m³
PM2.5
18.70μg/m³
PM10
45.85ppb
O3
0.34ppb
SO2
5.28ppb
NO2
0.19ppm
CO
AQI 42
Good
4.45μg/m³
PM2.5
20.91μg/m³
PM10
45.20ppb
O3
0.34ppb
SO2
5.32ppb
NO2
0.19ppm
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 West Whittierlos Nietos, California are available every hour.
West Whittierlos Nietos, California experienced its worst air quality at 03:00:00, 2026-03-06.
The best air quality in West Whittierlos Nietos, California was observed at 04:00:00 on 2026-03-06.
The air quality in West Whittierlos Nietos, California right now is Good, with an AQI of 43.
In West Whittierlos Nietos, California, O3 is the most frequently found pollutant.
When air quality in West Whittierlos Nietos, California is compromised, staying indoors and wearing a mask can reduce health risks.
West Whittierlos Nietos, California currently has a PM2.5 concentration of 4.463 μg/m3.
West Whittierlos Nietos, California currently has a PM10 concentration of 19.596 μg/m3.
The current carbon monoxide (CO) level in West Whittierlos Nietos, California is 0.19 ppm.
The current sulfur dioxide (SO2) concentration in West Whittierlos Nietos, California is 0.345 ppb.
West Whittierlos Nietos, California currently has an ozone (O3) concentration of 45.968 ppm.
The current level of nitrogen dioxide (NO2) in West Whittierlos Nietos, California is 5.459 ppb.
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