Stay updated with real-time air quality in Healdsburg, 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)
33
Good
Healdsburg, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.31 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.25 μg/m³
0
55
155
255
425
605+
28.31 ppb
0
55
71
86
201
201+
0.32 ppb
0
36
76
186
605
1005+
3.93 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Healdsburg, California
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AQI 33
Good
5.61μg/m³
PM2.5
23.73μg/m³
PM10
29.28ppb
O3
0.48ppb
SO2
2.64ppb
NO2
0.30ppm
CO
AQI 54
Moderate
10.66μg/m³
PM2.5
46.26μg/m³
PM10
33.31ppb
O3
0.47ppb
SO2
2.67ppb
NO2
0.30ppm
CO
AQI 49
Good
9.21μg/m³
PM2.5
36.01μg/m³
PM10
32.58ppb
O3
0.47ppb
SO2
2.71ppb
NO2
0.30ppm
CO
AQI 31
Good
5.27μg/m³
PM2.5
21.92μg/m³
PM10
33.74ppb
O3
0.50ppb
SO2
2.75ppb
NO2
0.31ppm
CO
AQI 52
Moderate
10.49μg/m³
PM2.5
41.94μg/m³
PM10
33.34ppb
O3
0.45ppb
SO2
2.85ppb
NO2
0.29ppm
CO
AQI 54
Moderate
10.80μg/m³
PM2.5
42.10μg/m³
PM10
32.89ppb
O3
0.44ppb
SO2
4.57ppb
NO2
0.30ppm
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 Healdsburg, California is updated every hour.
The worst air quality in Healdsburg, California in the last 24 hours was observed at 08:00:00 on 2026-03-09.
In the last 24 hrs, the best air quality in Healdsburg, California was observed at 07:00:00 on 2026-03-09.
The current air quality in Healdsburg, California is 33, categorized as Good based on real-time data.
The most common pollutant in Healdsburg, California is PM2.5.
If the air quality in Healdsburg, California is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Healdsburg, California is 6.314 μg/m3.
The current PM10 concentration at Healdsburg, California is 29.247 μg/m3.
The current carbon monoxide (CO) concentration at Healdsburg, California is 0.292 ppm.
The current sulfur dioxide (SO2) concentration at Healdsburg, California is 0.322 ppb.
The current ozone (O3) concentration at Healdsburg, California is 28.314 ppm.
The current nitrogen dioxide (NO2) concentration at Healdsburg, California is 3.93 ppb.
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