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)
49
Good
Greenfield City, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.03 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
41.18 μg/m³
0
55
155
255
425
605+
53.30 ppb
0
55
71
86
201
201+
0.97 ppb
0
36
76
186
605
1005+
8.28 ppb
0
54
101
361
1250
2050+
0.10 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 49
Good
6.03μg/m³
PM2.5
41.18μg/m³
PM10
53.30ppb
O3
0.97ppb
SO2
8.28ppb
NO2
0.10ppm
CO
AQI 58
Moderate
6.10μg/m³
PM2.5
39.03μg/m³
PM10
56.69ppb
O3
0.97ppb
SO2
7.52ppb
NO2
0.10ppm
CO
AQI 50
Good
6.07μg/m³
PM2.5
42.62μg/m³
PM10
54.23ppb
O3
0.97ppb
SO2
9.84ppb
NO2
0.10ppm
CO
AQI 48
Good
5.55μg/m³
PM2.5
45.59μg/m³
PM10
51.62ppb
O3
0.97ppb
SO2
18.24ppb
NO2
0.10ppm
CO
AQI 50
Good
6.12μg/m³
PM2.5
41.42μg/m³
PM10
54.19ppb
O3
0.97ppb
SO2
11.37ppb
NO2
0.10ppm
CO
AQI 48
Good
5.83μg/m³
PM2.5
43.85μg/m³
PM10
51.50ppb
O3
0.97ppb
SO2
15.33ppb
NO2
0.10ppm
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 08:00:00 on 2026-07-23.
In the last 24 hours, the best air quality in Greenfield City, California was observed at 02:00:00 on 2026-07-23.
As of now, the AQI in Greenfield City, California is 49, indicating Good conditions.
Greenfield City, California air has the highest levels of O3.
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 6.033 μg/m3.
The PM10 concentration in Greenfield City, California is 41.179 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Greenfield City, California is 0.1 ppm.
Currently, Greenfield City, California has a sulfur dioxide (SO2) concentration of 0.97 ppb.
The current ozone (O3) level in Greenfield City, California at the moment is 53.3 ppm.
Nitrogen dioxide (NO2) level in Greenfield City, California at the moment is 8.276 ppb.
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