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)
22
Good
Dublin, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.41 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.41 μg/m³
0
55
155
255
425
605+
19.29 ppb
0
55
71
86
201
201+
0.42 ppb
0
36
76
186
605
1005+
2.55 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Dublin, California
Dublin, California
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AQI 22
Good
4.27μg/m³
PM2.5
18.74μg/m³
PM10
18.67ppb
O3
0.42ppb
SO2
2.56ppb
NO2
0.26ppm
CO
AQI 27
Good
5.39μg/m³
PM2.5
23.84μg/m³
PM10
20.41ppb
O3
0.40ppb
SO2
2.24ppb
NO2
0.25ppm
CO
AQI 33
Good
5.86μg/m³
PM2.5
29.64μg/m³
PM10
21.05ppb
O3
0.42ppb
SO2
2.07ppb
NO2
0.26ppm
CO
AQI 27
Good
4.69μg/m³
PM2.5
20.93μg/m³
PM10
21.03ppb
O3
0.46ppb
SO2
2.79ppb
NO2
0.24ppm
CO
AQI 22
Good
4.46μg/m³
PM2.5
18.42μg/m³
PM10
19.36ppb
O3
0.37ppb
SO2
2.13ppb
NO2
0.28ppm
CO
AQI 27
Good
4.55μg/m³
PM2.5
19.15μg/m³
PM10
19.66ppb
O3
0.36ppb
SO2
2.12ppb
NO2
0.28ppm
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 02:00:00 on 2026-07-27.
In the last 24 hours, the best air quality in Dublin, California was observed at 01:00:00 on 2026-07-27.
As of now, the AQI in Dublin, California is 22, indicating Good conditions.
Dublin, California air has the highest levels of PM2.5.
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 4.411 μg/m3.
The PM10 concentration in Dublin, California is 16.406 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Dublin, California is 0.263 ppm.
Currently, Dublin, California has a sulfur dioxide (SO2) concentration of 0.42 ppb.
The current ozone (O3) level in Dublin, California at the moment is 19.294 ppm.
Nitrogen dioxide (NO2) level in Dublin, California at the moment is 2.546 ppb.
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