Stay updated with real-time air quality in Piedmont, 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)
58
Moderate
Piedmont, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.94 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
58.56 μg/m³
0
55
155
255
425
605+
24.18 ppb
0
55
71
86
201
201+
0.89 ppb
0
36
76
186
605
1005+
7.99 ppb
0
54
101
361
1250
2050+
0.39 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Piedmont, California
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AQI 58
Moderate
12.88μg/m³
PM2.5
58.03μg/m³
PM10
23.36ppb
O3
1.05ppb
SO2
9.00ppb
NO2
0.36ppm
CO
AQI 56
Moderate
12.11μg/m³
PM2.5
54.86μg/m³
PM10
21.29ppb
O3
1.07ppb
SO2
6.42ppb
NO2
0.38ppm
CO
AQI 56
Moderate
11.76μg/m³
PM2.5
53.33μg/m³
PM10
16.23ppb
O3
1.03ppb
SO2
8.38ppb
NO2
0.50ppm
CO
AQI 58
Moderate
13.19μg/m³
PM2.5
59.33μg/m³
PM10
22.82ppb
O3
1.02ppb
SO2
10.72ppb
NO2
0.38ppm
CO
AQI 56
Moderate
11.90μg/m³
PM2.5
53.88μg/m³
PM10
21.59ppb
O3
0.93ppb
SO2
8.11ppb
NO2
0.35ppm
CO
AQI 56
Moderate
11.59μg/m³
PM2.5
52.56μg/m³
PM10
22.57ppb
O3
0.87ppb
SO2
7.82ppb
NO2
0.30ppm
CO
The air quality data for California, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Piedmont, California are available every hour.
Piedmont, California experienced its worst air quality at 03:00:00, 2026-03-09.
The best air quality in Piedmont, California was observed at 01:00:00 on 2026-03-09.
The air quality in Piedmont, California right now is Moderate, with an AQI of 58.
In Piedmont, California, PM2.5 is the most frequently found pollutant.
When air quality in Piedmont, California is compromised, staying indoors and wearing a mask can reduce health risks.
Piedmont, California currently has a PM2.5 concentration of 12.941 μg/m3.
Piedmont, California currently has a PM10 concentration of 58.556 μg/m3.
The current carbon monoxide (CO) level in Piedmont, California is 0.385 ppm.
The current sulfur dioxide (SO2) concentration in Piedmont, California is 0.887 ppb.
Piedmont, California currently has an ozone (O3) concentration of 24.183 ppm.
The current level of nitrogen dioxide (NO2) in Piedmont, California is 7.988 ppb.
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