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

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.01 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.93 μg/m³
0
55
155
255
425
605+
17.79 ppb
0
55
71
86
201
201+
0.49 ppb
0
36
76
186
605
1005+
6.03 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Delhi, California
Delhi, California
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AQI 27
Good
5.00μg/m³
PM2.5
19.75μg/m³
PM10
18.52ppb
O3
0.49ppb
SO2
6.11ppb
NO2
0.24ppm
CO
AQI 27
Good
5.39μg/m³
PM2.5
18.02μg/m³
PM10
16.04ppb
O3
0.48ppb
SO2
5.90ppb
NO2
0.24ppm
CO
AQI 33
Good
5.81μg/m³
PM2.5
21.89μg/m³
PM10
18.78ppb
O3
0.50ppb
SO2
6.13ppb
NO2
0.24ppm
CO
AQI 44
Good
8.20μg/m³
PM2.5
35.46μg/m³
PM10
16.48ppb
O3
0.50ppb
SO2
6.18ppb
NO2
0.23ppm
CO
AQI 27
Good
4.50μg/m³
PM2.5
15.49μg/m³
PM10
19.40ppb
O3
0.47ppb
SO2
4.61ppb
NO2
0.27ppm
CO
AQI 27
Good
4.62μg/m³
PM2.5
21.13μg/m³
PM10
20.84ppb
O3
0.47ppb
SO2
3.52ppb
NO2
0.25ppm
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 Delhi, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Delhi, California was at its worst at 03:00:00 on 2026-09-21.
In the last 24 hours, the best air quality in Delhi, California was observed at 12:00:00 on 2026-09-21.
As of now, the AQI in Delhi, California is 27, indicating Good conditions.
Delhi, California air has the highest levels of PM2.5.
Poor air quality in Delhi, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Delhi, California are currently 5.012 μg/m3.
The PM10 concentration in Delhi, California is 18.935 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Delhi, California is 0.243 ppm.
Currently, Delhi, California has a sulfur dioxide (SO2) concentration of 0.487 ppb.
The current ozone (O3) level in Delhi, California at the moment is 17.786 ppm.
Nitrogen dioxide (NO2) level in Delhi, California at the moment is 6.033 ppb.
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