Stay updated with real-time air quality in Greenfield City, 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)
56
Moderate
Greenfield City, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.53 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
47.63 μg/m³
0
55
155
255
425
605+
28.91 ppb
0
55
71
86
201
201+
0.84 ppb
0
36
76
186
605
1005+
15.00 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Greenfield City, California
Greenfield City, California
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AQI 38
Good
6.55μg/m³
PM2.5
30.25μg/m³
PM10
23.27ppb
O3
0.57ppb
SO2
10.86ppb
NO2
0.20ppm
CO
AQI 44
Good
8.49μg/m³
PM2.5
34.09μg/m³
PM10
25.26ppb
O3
0.56ppb
SO2
8.58ppb
NO2
0.20ppm
CO
AQI 38
Good
6.67μg/m³
PM2.5
30.86μg/m³
PM10
23.66ppb
O3
0.57ppb
SO2
11.00ppb
NO2
0.20ppm
CO
AQI 27
Good
4.51μg/m³
PM2.5
28.37μg/m³
PM10
21.73ppb
O3
0.57ppb
SO2
8.64ppb
NO2
0.20ppm
CO
AQI 38
Good
7.11μg/m³
PM2.5
32.26μg/m³
PM10
24.39ppb
O3
0.57ppb
SO2
9.86ppb
NO2
0.19ppm
CO
AQI 28
Good
5.31μg/m³
PM2.5
29.61μg/m³
PM10
22.31ppb
O3
0.57ppb
SO2
9.56ppb
NO2
0.20ppm
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 Greenfield City, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Greenfield City, California was at its worst at 12:00:00 on 2026-08-10.
In the last 24 hours, the best air quality in Greenfield City, California was observed at 11:00:00 on 2026-08-10.
As of now, the AQI in Greenfield City, California is 38, indicating Good conditions.
Greenfield City, California air has the highest levels of PM2.5.
Poor air quality in Greenfield City, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Greenfield City, California are currently 6.552 μg/m3.
The PM10 concentration in Greenfield City, California is 30.248 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Greenfield City, California is 0.195 ppm.
Currently, Greenfield City, California has a sulfur dioxide (SO2) concentration of 0.566 ppb.
The current ozone (O3) level in Greenfield City, California at the moment is 23.27 ppm.
Nitrogen dioxide (NO2) level in Greenfield City, California at the moment is 10.862 ppb.
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