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)
41
Good
Dublin, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.82 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.50 μg/m³
0
55
155
255
425
605+
44.32 ppb
0
55
71
86
201
201+
0.68 ppb
0
36
76
186
605
1005+
3.62 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Dublin, California
Dublin, California
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AQI 42
Good
4.87μg/m³
PM2.5
16.33μg/m³
PM10
44.50ppb
O3
0.57ppb
SO2
3.60ppb
NO2
0.30ppm
CO
AQI 41
Good
5.05μg/m³
PM2.5
18.86μg/m³
PM10
43.77ppb
O3
0.55ppb
SO2
3.10ppb
NO2
0.36ppm
CO
AQI 42
Good
4.10μg/m³
PM2.5
28.55μg/m³
PM10
45.39ppb
O3
0.59ppb
SO2
3.23ppb
NO2
0.34ppm
CO
AQI 45
Good
4.70μg/m³
PM2.5
20.98μg/m³
PM10
48.99ppb
O3
0.62ppb
SO2
4.58ppb
NO2
0.32ppm
CO
AQI 36
Good
4.72μg/m³
PM2.5
18.65μg/m³
PM10
38.88ppb
O3
0.50ppb
SO2
3.94ppb
NO2
0.32ppm
CO
AQI 35
Good
4.54μg/m³
PM2.5
18.24μg/m³
PM10
37.75ppb
O3
0.48ppb
SO2
4.12ppb
NO2
0.34ppm
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 09:00:00 on 2026-06-12.
In the last 24 hours, the best air quality in Dublin, California was observed at 02:00:00 on 2026-06-12.
As of now, the AQI in Dublin, California is 42, 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 4.836 μg/m3.
The PM10 concentration in Dublin, California is 21.658 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Dublin, California is 0.299 ppm.
Currently, Dublin, California has a sulfur dioxide (SO2) concentration of 0.572 ppb.
The current ozone (O3) level in Dublin, California at the moment is 45.455 ppm.
Nitrogen dioxide (NO2) level in Dublin, California at the moment is 3.557 ppb.
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