Stay updated with real-time air quality in La Canada Flintridge, 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
La Canada Flintridge, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.22 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.80 μg/m³
0
55
155
255
425
605+
36.31 ppb
0
55
71
86
201
201+
2.73 ppb
0
36
76
186
605
1005+
15.01 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
La Canada Flintridge, California
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AQI 47
Good
4.08μg/m³
PM2.5
19.27μg/m³
PM10
50.53ppb
O3
0.33ppb
SO2
3.96ppb
NO2
0.18ppm
CO
AQI 44
Good
5.75μg/m³
PM2.5
22.37μg/m³
PM10
48.38ppb
O3
0.35ppb
SO2
3.58ppb
NO2
0.18ppm
CO
AQI 42
Good
5.39μg/m³
PM2.5
22.23μg/m³
PM10
45.03ppb
O3
0.28ppb
SO2
3.69ppb
NO2
0.14ppm
CO
AQI 44
Good
4.63μg/m³
PM2.5
19.78μg/m³
PM10
47.24ppb
O3
0.32ppb
SO2
2.63ppb
NO2
0.17ppm
CO
AQI 44
Good
5.77μg/m³
PM2.5
22.65μg/m³
PM10
47.67ppb
O3
0.35ppb
SO2
3.77ppb
NO2
0.17ppm
CO
AQI 44
Good
5.77μg/m³
PM2.5
22.58μg/m³
PM10
48.06ppb
O3
0.36ppb
SO2
3.71ppb
NO2
0.18ppm
CO
Air quality and pollutant data for California, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for La Canada Flintridge, California is updated every hour for accuracy.
In the past 24 hours, the air quality in La Canada Flintridge, California was at its worst at 05:00:00 on 2026-03-09.
In the last 24 hours, the best air quality in La Canada Flintridge, California was observed at 01:00:00 on 2026-03-09.
As of now, the AQI in La Canada Flintridge, California is 43, indicating Good conditions.
La Canada Flintridge, California air has the highest levels of O3.
Poor air quality in La Canada Flintridge, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in La Canada Flintridge, California are currently 5.594 μg/m3.
The PM10 concentration in La Canada Flintridge, California is 22.79 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in La Canada Flintridge, California is 0.167 ppm.
Currently, La Canada Flintridge, California has a sulfur dioxide (SO2) concentration of 0.324 ppb.
The current ozone (O3) level in La Canada Flintridge, California at the moment is 45.802 ppm.
Nitrogen dioxide (NO2) level in La Canada Flintridge, California at the moment is 4.118 ppb.
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