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)
33
Good
Arroyo Grande, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.11 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.46 μg/m³
0
55
155
255
425
605+
27.90 ppb
0
55
71
86
201
201+
0.49 ppb
0
36
76
186
605
1005+
1.97 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Arroyo Grande, California
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AQI 38
Good
6.62μg/m³
PM2.5
24.11μg/m³
PM10
26.79ppb
O3
0.50ppb
SO2
2.12ppb
NO2
0.21ppm
CO
AQI 31
Good
3.97μg/m³
PM2.5
17.32μg/m³
PM10
32.64ppb
O3
0.50ppb
SO2
0.59ppb
NO2
0.20ppm
CO
AQI 54
Moderate
10.79μg/m³
PM2.5
22.08μg/m³
PM10
24.05ppb
O3
0.50ppb
SO2
3.99ppb
NO2
0.24ppm
CO
AQI 33
Good
6.36μg/m³
PM2.5
21.41μg/m³
PM10
29.66ppb
O3
0.50ppb
SO2
4.09ppb
NO2
0.20ppm
CO
AQI 33
Good
5.75μg/m³
PM2.5
31.35μg/m³
PM10
30.37ppb
O3
0.50ppb
SO2
4.27ppb
NO2
0.24ppm
CO
AQI 38
Good
6.59μg/m³
PM2.5
21.66μg/m³
PM10
29.20ppb
O3
0.50ppb
SO2
5.86ppb
NO2
0.20ppm
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 04:00:00, 2026-03-10.
The best air quality in Arroyo Grande, California was observed at 05:00:00 on 2026-03-09.
The air quality in Arroyo Grande, California right now is Good, with an AQI of 33.
In Arroyo Grande, California, PM2.5 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 6.113 μg/m3.
Arroyo Grande, California currently has a PM10 concentration of 22.457 μg/m3.
The current carbon monoxide (CO) level in Arroyo Grande, California is 0.185 ppm.
The current sulfur dioxide (SO2) concentration in Arroyo Grande, California is 0.488 ppb.
Arroyo Grande, California currently has an ozone (O3) concentration of 27.904 ppm.
The current level of nitrogen dioxide (NO2) in Arroyo Grande, California is 1.974 ppb.
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