Stay updated with real-time air quality in Foothill Farms, 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)
45
Good
Foothill Farms, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.81 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.14 μg/m³
0
55
155
255
425
605+
48.57 ppb
0
55
71
86
201
201+
0.66 ppb
0
36
76
186
605
1005+
3.26 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Foothill Farms, California
Foothill Farms, California
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AQI 43
Good
3.40μg/m³
PM2.5
13.00μg/m³
PM10
46.27ppb
O3
0.64ppb
SO2
3.96ppb
NO2
0.27ppm
CO
AQI 41
Good
3.40μg/m³
PM2.5
13.41μg/m³
PM10
43.64ppb
O3
0.64ppb
SO2
3.63ppb
NO2
0.26ppm
CO
AQI 41
Good
2.80μg/m³
PM2.5
12.12μg/m³
PM10
43.69ppb
O3
0.64ppb
SO2
3.01ppb
NO2
0.25ppm
CO
AQI 44
Good
3.14μg/m³
PM2.5
12.22μg/m³
PM10
47.89ppb
O3
0.66ppb
SO2
3.53ppb
NO2
0.26ppm
CO
AQI 43
Good
2.76μg/m³
PM2.5
11.82μg/m³
PM10
46.23ppb
O3
0.69ppb
SO2
2.47ppb
NO2
0.25ppm
CO
AQI 42
Good
4.09μg/m³
PM2.5
14.70μg/m³
PM10
45.41ppb
O3
0.64ppb
SO2
4.56ppb
NO2
0.28ppm
CO
Air quality data and pollutant measurements for California, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Foothill Farms, California is updated every hour.
The worst air quality in Foothill Farms, California in the last 24 hours was observed at 10:00:00 on 2026-08-23.
In the last 24 hrs, the best air quality in Foothill Farms, California was observed at 10:00:00 on 2026-08-23.
The current air quality in Foothill Farms, California is 45, categorized as Good based on real-time data.
The most common pollutant in Foothill Farms, California is O3.
If the air quality in Foothill Farms, California is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Foothill Farms, California is 2.807 μg/m3.
The current PM10 concentration at Foothill Farms, California is 12.136 μg/m3.
The current carbon monoxide (CO) concentration at Foothill Farms, California is 0.209 ppm.
The current sulfur dioxide (SO2) concentration at Foothill Farms, California is 0.66 ppb.
The current ozone (O3) concentration at Foothill Farms, California is 48.571 ppm.
The current nitrogen dioxide (NO2) concentration at Foothill Farms, California is 3.257 ppb.
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