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
7.83 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
35.69 μg/m³
0
55
155
255
425
605+
22.18 ppb
0
55
71
86
201
201+
0.76 ppb
0
36
76
186
605
1005+
8.54 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 44
Good
7.83μg/m³
PM2.5
35.69μg/m³
PM10
22.18ppb
O3
0.76ppb
SO2
8.54ppb
NO2
0.21ppm
CO
AQI 33
Good
6.08μg/m³
PM2.5
25.75μg/m³
PM10
24.21ppb
O3
0.76ppb
SO2
7.80ppb
NO2
0.23ppm
CO
AQI 38
Good
7.06μg/m³
PM2.5
32.13μg/m³
PM10
23.66ppb
O3
0.76ppb
SO2
8.66ppb
NO2
0.21ppm
CO
AQI 38
Good
7.02μg/m³
PM2.5
32.88μg/m³
PM10
22.17ppb
O3
0.77ppb
SO2
11.85ppb
NO2
0.21ppm
CO
AQI 38
Good
6.72μg/m³
PM2.5
29.96μg/m³
PM10
24.66ppb
O3
0.77ppb
SO2
9.17ppb
NO2
0.21ppm
CO
AQI 38
Good
7.11μg/m³
PM2.5
33.16μg/m³
PM10
22.97ppb
O3
0.77ppb
SO2
10.84ppb
NO2
0.21ppm
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 06:00:00 on 2026-09-07.
In the last 24 hours, the best air quality in Greenfield City, California was observed at 01:00:00 on 2026-09-07.
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 7.835 μg/m3.
The PM10 concentration in Greenfield City, California is 35.694 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Greenfield City, California is 0.206 ppm.
Currently, Greenfield City, California has a sulfur dioxide (SO2) concentration of 0.764 ppb.
The current ozone (O3) level in Greenfield City, California at the moment is 22.183 ppm.
Nitrogen dioxide (NO2) level in Greenfield City, California at the moment is 8.543 ppb.
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