Stay updated with real-time air quality in Lemon Grove, 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
Lemon Grove, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.65 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.15 μg/m³
0
55
155
255
425
605+
38.21 ppb
0
55
71
86
201
201+
0.63 ppb
0
36
76
186
605
1005+
5.35 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Lemon Grove, California
Lemon Grove, California
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AQI 52
Moderate
9.66μg/m³
PM2.5
24.53μg/m³
PM10
42.67ppb
O3
0.86ppb
SO2
7.82ppb
NO2
0.18ppm
CO
AQI 52
Moderate
9.59μg/m³
PM2.5
24.45μg/m³
PM10
43.07ppb
O3
0.86ppb
SO2
7.37ppb
NO2
0.18ppm
CO
AQI 49
Good
9.49μg/m³
PM2.5
24.47μg/m³
PM10
42.58ppb
O3
0.86ppb
SO2
7.47ppb
NO2
0.18ppm
CO
AQI 52
Moderate
9.61μg/m³
PM2.5
24.44μg/m³
PM10
43.16ppb
O3
0.86ppb
SO2
7.35ppb
NO2
0.18ppm
CO
AQI 52
Moderate
9.69μg/m³
PM2.5
23.99μg/m³
PM10
44.92ppb
O3
0.87ppb
SO2
6.45ppb
NO2
0.18ppm
CO
AQI 52
Moderate
9.68μg/m³
PM2.5
24.32μg/m³
PM10
44.35ppb
O3
0.87ppb
SO2
6.68ppb
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 Lemon Grove, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Lemon Grove, California was at its worst at 07:00:00 on 2026-06-08.
In the last 24 hours, the best air quality in Lemon Grove, California was observed at 09:00:00 on 2026-06-08.
As of now, the AQI in Lemon Grove, California is 49, indicating Good conditions.
Lemon Grove, California air has the highest levels of PM2.5.
Poor air quality in Lemon Grove, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Lemon Grove, California are currently 9.489 μg/m3.
The PM10 concentration in Lemon Grove, California is 25.305 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Lemon Grove, California is 0.179 ppm.
Currently, Lemon Grove, California has a sulfur dioxide (SO2) concentration of 0.865 ppb.
The current ozone (O3) level in Lemon Grove, California at the moment is 41.948 ppm.
Nitrogen dioxide (NO2) level in Lemon Grove, California at the moment is 7.944 ppb.
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