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)
19
Good
Atascadero, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
1.47 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.19 μg/m³
0
55
155
255
425
605+
20.00 ppb
0
55
71
86
201
201+
0.61 ppb
0
36
76
186
605
1005+
3.00 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Atascadero, California
Atascadero, California
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AQI 22
Good
2.47μg/m³
PM2.5
11.47μg/m³
PM10
24.02ppb
O3
0.60ppb
SO2
1.82ppb
NO2
0.16ppm
CO
AQI 23
Good
1.37μg/m³
PM2.5
10.08μg/m³
PM10
24.99ppb
O3
0.60ppb
SO2
1.76ppb
NO2
0.18ppm
CO
AQI 22
Good
2.71μg/m³
PM2.5
11.73μg/m³
PM10
24.16ppb
O3
0.60ppb
SO2
1.55ppb
NO2
0.16ppm
CO
AQI 23
Good
1.47μg/m³
PM2.5
9.94μg/m³
PM10
24.88ppb
O3
0.60ppb
SO2
1.74ppb
NO2
0.18ppm
CO
AQI 22
Good
1.84μg/m³
PM2.5
7.64μg/m³
PM10
24.23ppb
O3
0.62ppb
SO2
1.14ppb
NO2
0.16ppm
CO
AQI 22
Good
1.85μg/m³
PM2.5
7.69μg/m³
PM10
24.23ppb
O3
0.62ppb
SO2
1.11ppb
NO2
0.16ppm
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 12:00:00, 2025-07-25.
The best air quality in Atascadero, California was observed at 01:00:00 on 2025-07-24.
The air quality in Atascadero, California right now is Good, with an AQI of 22.
In Atascadero, California, O3 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 0.458 μg/m3.
Atascadero, California currently has a PM10 concentration of 2.255 μg/m3.
The current carbon monoxide (CO) level in Atascadero, California is 0.122 ppm.
The current sulfur dioxide (SO2) concentration in Atascadero, California is 0.664 ppb.
Atascadero, California currently has an ozone (O3) concentration of 24.012 ppm.
The current level of nitrogen dioxide (NO2) in Atascadero, California is 1.693 ppb.
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