Stay updated with real-time air quality in Tracy, 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)
60
Moderate
Tracy, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
13.71 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
51.87 μg/m³
0
55
155
255
425
605+
29.79 ppb
0
55
71
86
201
201+
1.22 ppb
0
36
76
186
605
1005+
7.07 ppb
0
54
101
361
1250
2050+
0.35 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Tracy, California
Tracy, California
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AQI 36
Good
4.70μg/m³
PM2.5
13.83μg/m³
PM10
39.02ppb
O3
1.18ppb
SO2
2.76ppb
NO2
0.28ppm
CO
AQI 30
Good
2.85μg/m³
PM2.5
17.36μg/m³
PM10
32.35ppb
O3
1.10ppb
SO2
3.42ppb
NO2
0.25ppm
CO
AQI 29
Good
1.98μg/m³
PM2.5
17.93μg/m³
PM10
31.14ppb
O3
1.08ppb
SO2
3.43ppb
NO2
0.25ppm
CO
AQI 29
Good
3.44μg/m³
PM2.5
15.28μg/m³
PM10
30.58ppb
O3
1.33ppb
SO2
3.15ppb
NO2
0.31ppm
CO
AQI 32
Good
2.77μg/m³
PM2.5
17.40μg/m³
PM10
35.43ppb
O3
1.06ppb
SO2
3.44ppb
NO2
0.21ppm
CO
AQI 33
Good
5.67μg/m³
PM2.5
16.21μg/m³
PM10
31.17ppb
O3
1.13ppb
SO2
4.19ppb
NO2
0.24ppm
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 Tracy, California is updated on an hourly basis.
The worst air quality in Tracy, California was recorded at 04:00:00 on 2025-07-10.
The best air quality in Tracy, California was recorded at 09:00:00 on 2025-07-09.
The real-time air quality index in Tracy, California is 42, currently categorized as Good.
The most common pollutant in Tracy, California is O3.
If the air quality in Tracy, California is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Tracy, California at present are 4.93 μg/m3.
The current PM10 levels in Tracy, California are 10.33 μg/m3.
The current carbon monoxide (CO) level in Tracy, California is 0.275 ppm.
The current sulfur dioxide (SO2) levels in Tracy, California are 1.088 ppb.
The current ozone (O3) levels at Tracy, California is 44.709 ppm.
The current nitrogen dioxide (NO2) levels at Tracy, California is 1.84 ppb.
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