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)
27
Good
Antioch, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.81 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.29 μg/m³
0
55
155
255
425
605+
26.12 ppb
0
55
71
86
201
201+
0.79 ppb
0
36
76
186
605
1005+
2.47 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Antioch, California
Antioch, California
Scroll To Air Quality MapLoading...
AQI 27
Good
5.09μg/m³
PM2.5
24.72μg/m³
PM10
25.32ppb
O3
0.54ppb
SO2
2.88ppb
NO2
0.28ppm
CO
AQI 33
Good
6.27μg/m³
PM2.5
28.66μg/m³
PM10
26.80ppb
O3
1.52ppb
SO2
1.09ppb
NO2
0.12ppm
CO
AQI 33
Good
6.09μg/m³
PM2.5
27.78μg/m³
PM10
26.54ppb
O3
1.42ppb
SO2
1.38ppb
NO2
0.14ppm
CO
AQI 25
Good
2.64μg/m³
PM2.5
11.57μg/m³
PM10
26.59ppb
O3
0.23ppb
SO2
1.56ppb
NO2
0.37ppm
CO
AQI 25
Good
2.78μg/m³
PM2.5
12.24μg/m³
PM10
26.74ppb
O3
0.27ppb
SO2
1.51ppb
NO2
0.37ppm
CO
AQI 49
Good
8.52μg/m³
PM2.5
37.69μg/m³
PM10
26.96ppb
O3
0.96ppb
SO2
1.35ppb
NO2
0.18ppm
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, 2025-06-05.
The best air quality in Antioch, California was observed at 08:00:00 on 2025-06-06.
The air quality in Antioch, California right now is Good, with an AQI of 27.
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 4.814 μg/m3.
Antioch, California currently has a PM10 concentration of 19.294 μg/m3.
The current carbon monoxide (CO) level in Antioch, California is 0.228 ppm.
The current sulfur dioxide (SO2) concentration in Antioch, California is 0.791 ppb.
Antioch, California currently has an ozone (O3) concentration of 26.123 ppm.
The current level of nitrogen dioxide (NO2) in Antioch, California is 2.471 ppb.
All Rights Reserved © Ambee Inc. 2025