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)
54
Moderate
Lemon Grove, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.23 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.73 μg/m³
0
55
155
255
425
605+
42.33 ppb
0
55
71
86
201
201+
0.54 ppb
0
36
76
186
605
1005+
7.70 ppb
0
54
101
361
1250
2050+
0.32 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Lemon Grove, California
Scroll To Air Quality MapLoading...
AQI 58
Moderate
13.45μg/m³
PM2.5
33.14μg/m³
PM10
39.15ppb
O3
0.60ppb
SO2
7.94ppb
NO2
0.30ppm
CO
AQI 60
Moderate
13.72μg/m³
PM2.5
33.75μg/m³
PM10
39.29ppb
O3
0.60ppb
SO2
7.58ppb
NO2
0.30ppm
CO
AQI 60
Moderate
13.52μg/m³
PM2.5
34.16μg/m³
PM10
38.75ppb
O3
0.60ppb
SO2
7.59ppb
NO2
0.30ppm
CO
AQI 60
Moderate
13.76μg/m³
PM2.5
33.66μg/m³
PM10
39.39ppb
O3
0.60ppb
SO2
7.58ppb
NO2
0.30ppm
CO
AQI 60
Moderate
14.31μg/m³
PM2.5
32.69μg/m³
PM10
40.88ppb
O3
0.61ppb
SO2
7.04ppb
NO2
0.30ppm
CO
AQI 60
Moderate
14.36μg/m³
PM2.5
33.75μg/m³
PM10
40.35ppb
O3
0.61ppb
SO2
7.17ppb
NO2
0.30ppm
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 2026-03-03.
In the last 24 hours, the best air quality in Lemon Grove, California was observed at 02:00:00 on 2026-03-03.
As of now, the AQI in Lemon Grove, California is 54, indicating Moderate 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 11.228 μg/m3.
The PM10 concentration in Lemon Grove, California is 29.732 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Lemon Grove, California is 0.318 ppm.
Currently, Lemon Grove, California has a sulfur dioxide (SO2) concentration of 0.541 ppb.
The current ozone (O3) level in Lemon Grove, California at the moment is 42.329 ppm.
Nitrogen dioxide (NO2) level in Lemon Grove, California at the moment is 7.704 ppb.
All Rights Reserved © Ambee Inc. 2025