Stay updated with real-time air quality in Hacienda Heights, 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)
52
Moderate
Hacienda Heights, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.91 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
44.96 μg/m³
0
55
155
255
425
605+
37.34 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
4.77 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Hacienda Heights, California
Hacienda Heights, California
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AQI 49
Good
9.33μg/m³
PM2.5
41.05μg/m³
PM10
35.07ppb
O3
0.43ppb
SO2
4.48ppb
NO2
0.19ppm
CO
AQI 52
Moderate
9.91μg/m³
PM2.5
42.05μg/m³
PM10
34.90ppb
O3
0.46ppb
SO2
4.21ppb
NO2
0.17ppm
CO
AQI 49
Good
8.98μg/m³
PM2.5
39.23μg/m³
PM10
35.13ppb
O3
0.42ppb
SO2
4.53ppb
NO2
0.20ppm
CO
AQI 52
Moderate
10.28μg/m³
PM2.5
45.82μg/m³
PM10
35.28ppb
O3
0.46ppb
SO2
4.37ppb
NO2
0.17ppm
CO
AQI 49
Good
8.79μg/m³
PM2.5
37.70μg/m³
PM10
35.58ppb
O3
0.41ppb
SO2
5.57ppb
NO2
0.21ppm
CO
AQI 49
Good
9.45μg/m³
PM2.5
38.63μg/m³
PM10
34.44ppb
O3
0.45ppb
SO2
4.12ppb
NO2
0.17ppm
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 Hacienda Heights, California are available every hour.
Hacienda Heights, California experienced its worst air quality at 01:00:00, 2026-06-08.
The best air quality in Hacienda Heights, California was observed at 04:00:00 on 2026-06-07.
The air quality in Hacienda Heights, California right now is Good, with an AQI of 49.
In Hacienda Heights, California, PM2.5 is the most frequently found pollutant.
When air quality in Hacienda Heights, California is compromised, staying indoors and wearing a mask can reduce health risks.
Hacienda Heights, California currently has a PM2.5 concentration of 9.429 μg/m3.
Hacienda Heights, California currently has a PM10 concentration of 42.814 μg/m3.
The current carbon monoxide (CO) level in Hacienda Heights, California is 0.196 ppm.
The current sulfur dioxide (SO2) concentration in Hacienda Heights, California is 0.433 ppb.
Hacienda Heights, California currently has an ozone (O3) concentration of 35.803 ppm.
The current level of nitrogen dioxide (NO2) in Hacienda Heights, California is 5.237 ppb.
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