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)
27
Good
Lemon Grove, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.45 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.50 μg/m³
0
55
155
255
425
605+
26.69 ppb
0
55
71
86
201
201+
0.36 ppb
0
36
76
186
605
1005+
7.06 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Lemon Grove, California
Lemon Grove, California
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AQI 33
Good
5.71μg/m³
PM2.5
13.17μg/m³
PM10
26.23ppb
O3
0.36ppb
SO2
7.19ppb
NO2
0.21ppm
CO
AQI 33
Good
5.79μg/m³
PM2.5
13.41μg/m³
PM10
26.05ppb
O3
0.36ppb
SO2
6.91ppb
NO2
0.21ppm
CO
AQI 33
Good
5.57μg/m³
PM2.5
12.94μg/m³
PM10
26.01ppb
O3
0.36ppb
SO2
6.96ppb
NO2
0.21ppm
CO
AQI 33
Good
5.83μg/m³
PM2.5
13.50μg/m³
PM10
26.07ppb
O3
0.36ppb
SO2
6.90ppb
NO2
0.21ppm
CO
AQI 33
Good
6.46μg/m³
PM2.5
14.90μg/m³
PM10
26.08ppb
O3
0.36ppb
SO2
6.35ppb
NO2
0.21ppm
CO
AQI 33
Good
6.25μg/m³
PM2.5
14.44μg/m³
PM10
25.94ppb
O3
0.36ppb
SO2
6.51ppb
NO2
0.21ppm
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 12:00:00 on 2026-08-13.
In the last 24 hours, the best air quality in Lemon Grove, California was observed at 08:00:00 on 2026-08-13.
As of now, the AQI in Lemon Grove, California is 27, 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 5.451 μg/m3.
The PM10 concentration in Lemon Grove, California is 13.502 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Lemon Grove, California is 0.208 ppm.
Currently, Lemon Grove, California has a sulfur dioxide (SO2) concentration of 0.364 ppb.
The current ozone (O3) level in Lemon Grove, California at the moment is 26.688 ppm.
Nitrogen dioxide (NO2) level in Lemon Grove, California at the moment is 7.058 ppb.
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