Real-time air quality index in Windsor, California today
Stay updated with real-time air quality in Windsor, 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
Windsor, California
Last updated: ... (Local time)
Common air pollutants in Windsor, California
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
8.01 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
34.84 μg/m³
0
55
155
255
425
605+
Ozone (O3)
31.17 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.65 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
1.78 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.34 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Windsor, California
Windsor, California
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Windsor, California air quality map: Real-time AQI near you
Air quality in nearby cities
Healdsburg, California
AQI 44
Good
7.78μg/m³
PM2.5
31.93μg/m³
PM10
34.60ppb
O3
0.53ppb
SO2
3.03ppb
NO2
0.33ppm
CO
Santa Rosa, California
AQI 44
Good
7.74μg/m³
PM2.5
31.40μg/m³
PM10
34.03ppb
O3
0.53ppb
SO2
2.45ppb
NO2
0.32ppm
CO
Rohnert Park, California
AQI 44
Good
7.66μg/m³
PM2.5
31.41μg/m³
PM10
34.81ppb
O3
0.53ppb
SO2
2.54ppb
NO2
0.32ppm
CO
Petaluma, California
AQI 38
Good
7.34μg/m³
PM2.5
27.92μg/m³
PM10
33.85ppb
O3
0.52ppb
SO2
3.17ppb
NO2
0.33ppm
CO
Sonoma, California
AQI 44
Good
7.97μg/m³
PM2.5
35.53μg/m³
PM10
34.90ppb
O3
0.53ppb
SO2
3.54ppb
NO2
0.34ppm
CO
Clearlake, California
AQI 39
Good
3.74μg/m³
PM2.5
16.00μg/m³
PM10
42.04ppb
O3
0.37ppb
SO2
0.51ppb
NO2
0.13ppm
CO
How accurate is California, USA air quality data?
Air quality measurements for California, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Frequently asked questions
How frequently is the air quality data for Windsor, California updated?
Air quality data for Windsor, California is updated on an hourly basis.
When did Windsor, California experience the worst air quality in the last 24 hours?
The worst air quality in Windsor, California was recorded at 05:00:00 on 2025-10-22.
When did Windsor, California have its best air quality in the last 24 hours?
The best air quality in Windsor, California was recorded at 04:00:00 on 2025-10-22.
What is the real-time air quality index for Windsor, California?
The real-time air quality index in Windsor, California is 44, currently categorized as Good.
Which pollutant is found most often in Windsor, California?
The most common pollutant in Windsor, California is PM2.5.
What can I do if the air quality in Windsor, California is poor?
If the air quality in Windsor, California is poor, limit outdoor activities and use a mask to safeguard your health.
What are the current PM2.5 levels in Windsor, California?
The measured PM2.5 levels in Windsor, California at present are 7.625 μg/m3.
What are the current PM10 levels at Windsor, California?
The current PM10 levels in Windsor, California are 33.452 μg/m3.
What are the current carbon monoxide (CO) levels at Windsor, California?
The current carbon monoxide (CO) level in Windsor, California is 0.326 ppm.
What are the current sulfur dioxide (SO2) levels at Windsor, California?
The current sulfur dioxide (SO2) levels in Windsor, California are 0.526 ppb.
What are the current ozone (O3) levels at Windsor, California?
The current ozone (O3) levels at Windsor, California is 34.878 ppm.
What are the current nitrogen dioxide (NO2) levels at Windsor, California?
The current nitrogen dioxide (NO2) levels at Windsor, California is 2.701 ppb.
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