Stay updated with real-time air quality in Antioch, 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)
38
Good
Antioch, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.16 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
28.95 μg/m³
0
55
155
255
425
605+
35.70 ppb
0
55
71
86
201
201+
0.45 ppb
0
36
76
186
605
1005+
1.91 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Antioch, California
Antioch, California
Scroll To Air Quality MapLoading...
AQI 33
Good
5.70μg/m³
PM2.5
30.61μg/m³
PM10
36.42ppb
O3
0.34ppb
SO2
1.94ppb
NO2
0.25ppm
CO
AQI 49
Good
9.38μg/m³
PM2.5
34.22μg/m³
PM10
34.21ppb
O3
0.73ppb
SO2
2.12ppb
NO2
0.20ppm
CO
AQI 49
Good
9.13μg/m³
PM2.5
33.93μg/m³
PM10
34.46ppb
O3
0.69ppb
SO2
2.09ppb
NO2
0.21ppm
CO
AQI 36
Good
6.36μg/m³
PM2.5
28.46μg/m³
PM10
38.83ppb
O3
0.24ppb
SO2
1.80ppb
NO2
0.29ppm
CO
AQI 36
Good
5.99μg/m³
PM2.5
26.61μg/m³
PM10
38.60ppb
O3
0.27ppb
SO2
1.68ppb
NO2
0.29ppm
CO
AQI 73
Moderate
21.50μg/m³
PM2.5
94.99μg/m³
PM10
33.54ppb
O3
0.53ppb
SO2
1.80ppb
NO2
0.20ppm
CO
The air quality data for California, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Antioch, California are available every hour.
Antioch, California experienced its worst air quality at 12:00:00, 2026-04-25.
The best air quality in Antioch, California was observed at 10:00:00 on 2026-04-24.
The air quality in Antioch, California right now is Good, with an AQI of 38.
In Antioch, California, PM2.5 is the most frequently found pollutant.
When air quality in Antioch, California is compromised, staying indoors and wearing a mask can reduce health risks.
Antioch, California currently has a PM2.5 concentration of 7.159 μg/m3.
Antioch, California currently has a PM10 concentration of 28.954 μg/m3.
The current carbon monoxide (CO) level in Antioch, California is 0.237 ppm.
The current sulfur dioxide (SO2) concentration in Antioch, California is 0.445 ppb.
Antioch, California currently has an ozone (O3) concentration of 35.698 ppm.
The current level of nitrogen dioxide (NO2) in Antioch, California is 1.907 ppb.
All Rights Reserved © Ambee Inc. 2025