Stay updated with real-time air quality in Atascadero, 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)
22
Good
Atascadero, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.28 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.30 μg/m³
0
55
155
255
425
605+
19.29 ppb
0
55
71
86
201
201+
0.69 ppb
0
36
76
186
605
1005+
11.94 ppb
0
54
101
361
1250
2050+
0.38 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Atascadero, California
Atascadero, California
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AQI 27
Good
5.05μg/m³
PM2.5
22.71μg/m³
PM10
28.68ppb
O3
0.69ppb
SO2
11.62ppb
NO2
0.38ppm
CO
AQI 33
Good
6.36μg/m³
PM2.5
31.03μg/m³
PM10
25.97ppb
O3
0.70ppb
SO2
10.63ppb
NO2
0.46ppm
CO
AQI 49
Good
9.49μg/m³
PM2.5
12.49μg/m³
PM10
23.50ppb
O3
0.69ppb
SO2
8.28ppb
NO2
0.35ppm
CO
AQI 33
Good
6.47μg/m³
PM2.5
29.06μg/m³
PM10
25.67ppb
O3
0.70ppb
SO2
10.49ppb
NO2
0.44ppm
CO
AQI 33
Good
6.27μg/m³
PM2.5
15.27μg/m³
PM10
24.67ppb
O3
0.69ppb
SO2
6.55ppb
NO2
0.34ppm
CO
AQI 33
Good
6.14μg/m³
PM2.5
15.28μg/m³
PM10
24.91ppb
O3
0.69ppb
SO2
6.35ppb
NO2
0.34ppm
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 Atascadero, California are available every hour.
Atascadero, California experienced its worst air quality at 03:00:00, 2025-10-21.
The best air quality in Atascadero, California was observed at 11:00:00 on 2025-10-20.
The air quality in Atascadero, California right now is Good, with an AQI of 22.
In Atascadero, California, PM2.5 is the most frequently found pollutant.
When air quality in Atascadero, California is compromised, staying indoors and wearing a mask can reduce health risks.
Atascadero, California currently has a PM2.5 concentration of 4.282 μg/m3.
Atascadero, California currently has a PM10 concentration of 14.303 μg/m3.
The current carbon monoxide (CO) level in Atascadero, California is 0.378 ppm.
The current sulfur dioxide (SO2) concentration in Atascadero, California is 0.69 ppb.
Atascadero, California currently has an ozone (O3) concentration of 19.293 ppm.
The current level of nitrogen dioxide (NO2) in Atascadero, California is 11.943 ppb.
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