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)
73
Moderate
Greenfield City, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
21.06 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
65.28 μg/m³
0
55
155
255
425
605+
31.93 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
19.03 ppb
0
54
101
361
1250
2050+
0.39 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Greenfield City, California
Greenfield City, California
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AQI 64
Moderate
16.38μg/m³
PM2.5
61.68μg/m³
PM10
18.11ppb
O3
0.51ppb
SO2
16.25ppb
NO2
0.30ppm
CO
AQI 60
Moderate
14.30μg/m³
PM2.5
52.13μg/m³
PM10
23.11ppb
O3
0.50ppb
SO2
12.35ppb
NO2
0.30ppm
CO
AQI 62
Moderate
15.31μg/m³
PM2.5
55.38μg/m³
PM10
19.26ppb
O3
0.51ppb
SO2
16.10ppb
NO2
0.30ppm
CO
AQI 66
Moderate
16.83μg/m³
PM2.5
49.03μg/m³
PM10
17.22ppb
O3
0.51ppb
SO2
22.73ppb
NO2
0.30ppm
CO
AQI 60
Moderate
14.46μg/m³
PM2.5
49.76μg/m³
PM10
20.76ppb
O3
0.51ppb
SO2
16.37ppb
NO2
0.30ppm
CO
AQI 64
Moderate
15.72μg/m³
PM2.5
49.77μg/m³
PM10
17.90ppb
O3
0.51ppb
SO2
20.69ppb
NO2
0.30ppm
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 03:00:00 on 2025-10-24.
In the last 24 hours, the best air quality in Greenfield City, California was observed at 02:00:00 on 2025-10-24.
As of now, the AQI in Greenfield City, California is 58, indicating Moderate 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 13.459 μg/m3.
The PM10 concentration in Greenfield City, California is 57.023 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Greenfield City, California is 0.299 ppm.
Currently, Greenfield City, California has a sulfur dioxide (SO2) concentration of 0.507 ppb.
The current ozone (O3) level in Greenfield City, California at the moment is 26.887 ppm.
Nitrogen dioxide (NO2) level in Greenfield City, California at the moment is 13.205 ppb.
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