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

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.88 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.77 μg/m³
0
55
155
255
425
605+
55.92 ppb
0
55
71
86
201
201+
0.61 ppb
0
36
76
186
605
1005+
2.00 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
San Jacinto, California
San Jacinto, California
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AQI 51
Moderate
4.28μg/m³
PM2.5
23.06μg/m³
PM10
55.13ppb
O3
0.61ppb
SO2
2.09ppb
NO2
0.29ppm
CO
AQI 54
Moderate
4.55μg/m³
PM2.5
19.97μg/m³
PM10
56.21ppb
O3
0.60ppb
SO2
2.20ppb
NO2
0.29ppm
CO
AQI 54
Moderate
4.55μg/m³
PM2.5
19.97μg/m³
PM10
56.21ppb
O3
0.60ppb
SO2
2.20ppb
NO2
0.29ppm
CO
AQI 64
Moderate
5.98μg/m³
PM2.5
30.85μg/m³
PM10
58.81ppb
O3
0.62ppb
SO2
2.06ppb
NO2
0.28ppm
CO
AQI 71
Moderate
4.55μg/m³
PM2.5
22.25μg/m³
PM10
60.93ppb
O3
0.60ppb
SO2
2.40ppb
NO2
0.28ppm
CO
AQI 61
Moderate
8.12μg/m³
PM2.5
35.09μg/m³
PM10
57.76ppb
O3
0.63ppb
SO2
1.91ppb
NO2
0.29ppm
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 San Jacinto, California is updated on an hourly basis.
The worst air quality in San Jacinto, California was recorded at 01:00:00 on 2026-04-24.
The best air quality in San Jacinto, California was recorded at 02:00:00 on 2026-04-23.
The real-time air quality index in San Jacinto, California is 54, currently categorized as Moderate.
The most common pollutant in San Jacinto, California is O3.
If the air quality in San Jacinto, California is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in San Jacinto, California at present are 3.882 μg/m3.
The current PM10 levels in San Jacinto, California are 22.774 μg/m3.
The current carbon monoxide (CO) level in San Jacinto, California is 0.285 ppm.
The current sulfur dioxide (SO2) levels in San Jacinto, California are 0.611 ppb.
The current ozone (O3) levels at San Jacinto, California is 55.917 ppm.
The current nitrogen dioxide (NO2) levels at San Jacinto, California is 2 ppb.
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