Stay updated with real-time air quality in Arroyo Grande, 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)
15
Good
Arroyo Grande, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
0.43 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
1.97 μg/m³
0
55
155
255
425
605+
16.41 ppb
0
55
71
86
201
201+
0.78 ppb
0
36
76
186
605
1005+
2.97 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Arroyo Grande, California
Arroyo Grande, California
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AQI 15
Good
0.40μg/m³
PM2.5
1.85μg/m³
PM10
16.46ppb
O3
0.77ppb
SO2
2.99ppb
NO2
0.21ppm
CO
AQI 18
Good
0.90μg/m³
PM2.5
3.99μg/m³
PM10
18.89ppb
O3
0.80ppb
SO2
2.33ppb
NO2
0.21ppm
CO
AQI 18
Good
0.29μg/m³
PM2.5
1.45μg/m³
PM10
18.72ppb
O3
0.80ppb
SO2
2.77ppb
NO2
0.21ppm
CO
AQI 16
Good
1.24μg/m³
PM2.5
4.36μg/m³
PM10
16.55ppb
O3
0.79ppb
SO2
3.47ppb
NO2
0.21ppm
CO
AQI 17
Good
2.55μg/m³
PM2.5
14.09μg/m³
PM10
17.91ppb
O3
0.70ppb
SO2
1.89ppb
NO2
0.23ppm
CO
AQI 15
Good
1.46μg/m³
PM2.5
4.39μg/m³
PM10
15.97ppb
O3
0.80ppb
SO2
3.89ppb
NO2
0.21ppm
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 Arroyo Grande, California are available every hour.
Arroyo Grande, California experienced its worst air quality at 12:00:00, 2025-07-14.
The best air quality in Arroyo Grande, California was observed at 05:00:00 on 2025-07-14.
The air quality in Arroyo Grande, California right now is Good, with an AQI of 15.
In Arroyo Grande, California, O3 is the most frequently found pollutant.
When air quality in Arroyo Grande, California is compromised, staying indoors and wearing a mask can reduce health risks.
Arroyo Grande, California currently has a PM2.5 concentration of 0.426 μg/m3.
Arroyo Grande, California currently has a PM10 concentration of 1.97 μg/m3.
The current carbon monoxide (CO) level in Arroyo Grande, California is 0.206 ppm.
The current sulfur dioxide (SO2) concentration in Arroyo Grande, California is 0.777 ppb.
Arroyo Grande, California currently has an ozone (O3) concentration of 16.406 ppm.
The current level of nitrogen dioxide (NO2) in Arroyo Grande, California is 2.968 ppb.
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