Stay updated with real-time air quality in Montebello, 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)
38
Good
Montebello, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.58 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.29 μg/m³
0
55
155
255
425
605+
40.50 ppb
0
55
71
86
201
201+
0.59 ppb
0
36
76
186
605
1005+
3.72 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Montebello, California
Montebello, California
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AQI 37
Good
5.64μg/m³
PM2.5
24.51μg/m³
PM10
40.28ppb
O3
0.59ppb
SO2
3.80ppb
NO2
0.23ppm
CO
AQI 39
Good
5.56μg/m³
PM2.5
22.32μg/m³
PM10
41.74ppb
O3
0.56ppb
SO2
3.16ppb
NO2
0.17ppm
CO
AQI 39
Good
5.41μg/m³
PM2.5
18.94μg/m³
PM10
41.99ppb
O3
0.56ppb
SO2
3.04ppb
NO2
0.18ppm
CO
AQI 38
Good
5.42μg/m³
PM2.5
19.48μg/m³
PM10
41.41ppb
O3
0.57ppb
SO2
3.10ppb
NO2
0.20ppm
CO
AQI 37
Good
5.70μg/m³
PM2.5
24.52μg/m³
PM10
40.15ppb
O3
0.60ppb
SO2
3.86ppb
NO2
0.24ppm
CO
AQI 39
Good
5.40μg/m³
PM2.5
23.68μg/m³
PM10
41.66ppb
O3
0.54ppb
SO2
3.48ppb
NO2
0.16ppm
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 Montebello, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Montebello, California was at its worst at 07:00:00 on 2026-04-25.
In the last 24 hours, the best air quality in Montebello, California was observed at 07:00:00 on 2026-04-26.
As of now, the AQI in Montebello, California is 38, indicating Good conditions.
Montebello, California air has the highest levels of O3.
Poor air quality in Montebello, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Montebello, California are currently 5.576 μg/m3.
The PM10 concentration in Montebello, California is 23.288 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Montebello, California is 0.224 ppm.
Currently, Montebello, California has a sulfur dioxide (SO2) concentration of 0.589 ppb.
The current ozone (O3) level in Montebello, California at the moment is 40.504 ppm.
Nitrogen dioxide (NO2) level in Montebello, California at the moment is 3.719 ppb.
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