Stay updated with real-time air quality in Ramona, 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)
56
Moderate
Ramona, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.01 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
27.33 μg/m³
0
55
155
255
425
605+
47.50 ppb
0
55
71
86
201
201+
0.68 ppb
0
36
76
186
605
1005+
6.62 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Ramona, California
Ramona, California
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AQI 38
Good
7.08μg/m³
PM2.5
32.86μg/m³
PM10
36.70ppb
O3
1.00ppb
SO2
13.49ppb
NO2
0.33ppm
CO
AQI 60
Moderate
13.68μg/m³
PM2.5
24.74μg/m³
PM10
31.04ppb
O3
0.93ppb
SO2
13.97ppb
NO2
0.33ppm
CO
AQI 62
Moderate
14.99μg/m³
PM2.5
29.19μg/m³
PM10
32.22ppb
O3
0.96ppb
SO2
14.05ppb
NO2
0.33ppm
CO
AQI 56
Moderate
11.80μg/m³
PM2.5
34.74μg/m³
PM10
28.82ppb
O3
0.94ppb
SO2
12.37ppb
NO2
0.33ppm
CO
AQI 64
Moderate
15.56μg/m³
PM2.5
30.25μg/m³
PM10
31.72ppb
O3
0.95ppb
SO2
14.01ppb
NO2
0.33ppm
CO
AQI 64
Moderate
15.73μg/m³
PM2.5
30.59μg/m³
PM10
31.83ppb
O3
0.94ppb
SO2
14.06ppb
NO2
0.33ppm
CO
Air quality measurements for California, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Ramona, California is updated on an hourly basis.
The worst air quality in Ramona, California was recorded at 03:00:00 on 2025-10-25.
The best air quality in Ramona, California was recorded at 04:00:00 on 2025-10-25.
The real-time air quality index in Ramona, California is 38, currently categorized as Good.
The most common pollutant in Ramona, California is PM2.5.
If the air quality in Ramona, California is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Ramona, California at present are 6.912 μg/m3.
The current PM10 levels in Ramona, California are 21.143 μg/m3.
The current carbon monoxide (CO) level in Ramona, California is 0.329 ppm.
The current sulfur dioxide (SO2) levels in Ramona, California are 1.002 ppb.
The current ozone (O3) levels at Ramona, California is 36.936 ppm.
The current nitrogen dioxide (NO2) levels at Ramona, California is 11.605 ppb.
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