Stay updated with real-time air quality in Dublin, 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)
29
Good
Dublin, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.20 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.00 μg/m³
0
55
155
255
425
605+
30.75 ppb
0
55
71
86
201
201+
0.48 ppb
0
36
76
186
605
1005+
6.00 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Dublin, California
Dublin, California
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AQI 19
Good
2.38μg/m³
PM2.5
9.47μg/m³
PM10
20.13ppb
O3
0.51ppb
SO2
8.24ppb
NO2
0.29ppm
CO
AQI 19
Good
2.69μg/m³
PM2.5
10.54μg/m³
PM10
20.95ppb
O3
0.49ppb
SO2
7.31ppb
NO2
0.27ppm
CO
AQI 22
Good
3.28μg/m³
PM2.5
10.25μg/m³
PM10
23.64ppb
O3
0.48ppb
SO2
4.17ppb
NO2
0.24ppm
CO
AQI 17
Good
0.93μg/m³
PM2.5
4.12μg/m³
PM10
18.05ppb
O3
0.51ppb
SO2
6.22ppb
NO2
0.28ppm
CO
AQI 22
Good
3.42μg/m³
PM2.5
12.47μg/m³
PM10
23.59ppb
O3
0.51ppb
SO2
5.89ppb
NO2
0.23ppm
CO
AQI 21
Good
3.30μg/m³
PM2.5
13.25μg/m³
PM10
22.60ppb
O3
0.49ppb
SO2
6.09ppb
NO2
0.23ppm
CO
Air quality and pollutant data for California, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Dublin, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Dublin, California was at its worst at 06:00:00 on 2025-11-04.
In the last 24 hours, the best air quality in Dublin, California was observed at 03:00:00 on 2025-11-04.
As of now, the AQI in Dublin, California is 19, indicating Good conditions.
Dublin, California air has the highest levels of O3.
Poor air quality in Dublin, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Dublin, California are currently 2.5 μg/m3.
The PM10 concentration in Dublin, California is 9.999 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Dublin, California is 0.3 ppm.
Currently, Dublin, California has a sulfur dioxide (SO2) concentration of 0.51 ppb.
The current ozone (O3) level in Dublin, California at the moment is 20.097 ppm.
Nitrogen dioxide (NO2) level in Dublin, California at the moment is 8.995 ppb.
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