Stay updated with real-time air quality in North Tustin, 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)
79
Moderate
North Tustin, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
23.96 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
43.86 μg/m³
0
55
155
255
425
605+
5.91 ppb
0
55
71
86
201
201+
0.63 ppb
0
36
76
186
605
1005+
21.30 ppb
0
54
101
361
1250
2050+
1.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
North Tustin, California
North Tustin, California
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AQI 77
Moderate
22.60μg/m³
PM2.5
40.38μg/m³
PM10
4.57ppb
O3
0.66ppb
SO2
20.62ppb
NO2
1.25ppm
CO
AQI 79
Moderate
24.24μg/m³
PM2.5
46.83μg/m³
PM10
3.74ppb
O3
0.66ppb
SO2
20.86ppb
NO2
1.26ppm
CO
AQI 79
Moderate
23.72μg/m³
PM2.5
42.36μg/m³
PM10
3.74ppb
O3
0.66ppb
SO2
20.71ppb
NO2
1.27ppm
CO
AQI 77
Moderate
22.86μg/m³
PM2.5
24.94μg/m³
PM10
7.74ppb
O3
0.63ppb
SO2
21.51ppb
NO2
1.19ppm
CO
AQI 81
Moderate
25.12μg/m³
PM2.5
58.15μg/m³
PM10
3.30ppb
O3
0.67ppb
SO2
19.98ppb
NO2
1.26ppm
CO
AQI 81
Moderate
24.68μg/m³
PM2.5
43.42μg/m³
PM10
3.25ppb
O3
0.66ppb
SO2
20.49ppb
NO2
1.28ppm
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 North Tustin, California is updated on an hourly basis.
The worst air quality in North Tustin, California was recorded at 06:00:00 on 2026-01-22.
The best air quality in North Tustin, California was recorded at 09:00:00 on 2026-01-23.
The real-time air quality index in North Tustin, California is 79, currently categorized as Moderate.
The most common pollutant in North Tustin, California is PM2.5.
If the air quality in North Tustin, California is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in North Tustin, California at present are 23.959 μg/m3.
The current PM10 levels in North Tustin, California are 43.86 μg/m3.
The current carbon monoxide (CO) level in North Tustin, California is 1.173 ppm.
The current sulfur dioxide (SO2) levels in North Tustin, California are 0.634 ppb.
The current ozone (O3) levels at North Tustin, California is 5.907 ppm.
The current nitrogen dioxide (NO2) levels at North Tustin, California is 21.297 ppb.
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