Stay updated with real-time air quality in Placerville, 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
Placerville, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.37 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
41.36 μg/m³
0
55
155
255
425
605+
22.98 ppb
0
55
71
86
201
201+
0.81 ppb
0
36
76
186
605
1005+
8.03 ppb
0
54
101
361
1250
2050+
0.42 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Placerville, California
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AQI 44
Good
8.22μg/m³
PM2.5
40.40μg/m³
PM10
22.80ppb
O3
0.81ppb
SO2
7.94ppb
NO2
0.42ppm
CO
AQI 38
Good
7.42μg/m³
PM2.5
31.83μg/m³
PM10
17.61ppb
O3
0.85ppb
SO2
6.74ppb
NO2
0.54ppm
CO
AQI 27
Good
4.87μg/m³
PM2.5
20.14μg/m³
PM10
19.70ppb
O3
0.86ppb
SO2
4.71ppb
NO2
0.54ppm
CO
AQI 27
Good
4.56μg/m³
PM2.5
19.76μg/m³
PM10
22.13ppb
O3
0.84ppb
SO2
8.06ppb
NO2
0.50ppm
CO
AQI 27
Good
5.13μg/m³
PM2.5
19.76μg/m³
PM10
17.76ppb
O3
0.86ppb
SO2
4.79ppb
NO2
0.56ppm
CO
AQI 22
Good
3.90μg/m³
PM2.5
17.25μg/m³
PM10
20.78ppb
O3
0.87ppb
SO2
2.24ppb
NO2
0.56ppm
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 Placerville, California is updated every hour.
The worst air quality in Placerville, California in the last 24 hours was observed at 05:00:00 on 2026-03-12.
In the last 24 hrs, the best air quality in Placerville, California was observed at 04:00:00 on 2026-03-12.
The current air quality in Placerville, California is 44, categorized as Good based on real-time data.
The most common pollutant in Placerville, California is PM2.5.
If the air quality in Placerville, California is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Placerville, California is 8.365 μg/m3.
The current PM10 concentration at Placerville, California is 41.357 μg/m3.
The current carbon monoxide (CO) concentration at Placerville, California is 0.42 ppm.
The current sulfur dioxide (SO2) concentration at Placerville, California is 0.814 ppb.
The current ozone (O3) concentration at Placerville, California is 22.981 ppm.
The current nitrogen dioxide (NO2) concentration at Placerville, California is 8.03 ppb.
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