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)
44
Good
Greenfield City, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.84 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
27.41 μg/m³
0
55
155
255
425
605+
17.11 ppb
0
55
71
86
201
201+
0.44 ppb
0
36
76
186
605
1005+
9.66 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Greenfield City, California
Greenfield City, California
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AQI 44
Good
8.31μg/m³
PM2.5
28.35μg/m³
PM10
16.74ppb
O3
0.45ppb
SO2
11.04ppb
NO2
0.20ppm
CO
AQI 33
Good
6.48μg/m³
PM2.5
20.74μg/m³
PM10
22.81ppb
O3
0.47ppb
SO2
6.90ppb
NO2
0.21ppm
CO
AQI 44
Good
7.55μg/m³
PM2.5
24.16μg/m³
PM10
19.94ppb
O3
0.45ppb
SO2
9.84ppb
NO2
0.20ppm
CO
AQI 44
Good
8.47μg/m³
PM2.5
26.88μg/m³
PM10
14.69ppb
O3
0.45ppb
SO2
11.46ppb
NO2
0.20ppm
CO
AQI 38
Good
7.19μg/m³
PM2.5
23.42μg/m³
PM10
22.37ppb
O3
0.45ppb
SO2
9.41ppb
NO2
0.20ppm
CO
AQI 44
Good
8.13μg/m³
PM2.5
26.88μg/m³
PM10
16.90ppb
O3
0.45ppb
SO2
11.38ppb
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 10:00:00 on 2026-04-24.
In the last 24 hours, the best air quality in Greenfield City, California was observed at 08:00:00 on 2026-04-24.
As of now, the AQI in Greenfield City, California is 44, 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 7.837 μg/m3.
The PM10 concentration in Greenfield City, California is 27.409 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Greenfield City, California is 0.204 ppm.
Currently, Greenfield City, California has a sulfur dioxide (SO2) concentration of 0.444 ppb.
The current ozone (O3) level in Greenfield City, California at the moment is 17.11 ppm.
Nitrogen dioxide (NO2) level in Greenfield City, California at the moment is 9.657 ppb.
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