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)
68
Moderate
Arroyo Grande, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.26 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
90.04 μg/m³
0
55
155
255
425
605+
37.78 ppb
0
55
71
86
201
201+
0.40 ppb
0
36
76
186
605
1005+
1.79 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Arroyo Grande, California
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AQI 56
Moderate
9.85μg/m³
PM2.5
65.08μg/m³
PM10
36.13ppb
O3
0.46ppb
SO2
4.57ppb
NO2
0.34ppm
CO
AQI 71
Moderate
19.99μg/m³
PM2.5
90.53μg/m³
PM10
35.07ppb
O3
0.54ppb
SO2
1.95ppb
NO2
0.33ppm
CO
AQI 52
Moderate
9.98μg/m³
PM2.5
40.29μg/m³
PM10
36.05ppb
O3
0.45ppb
SO2
5.67ppb
NO2
0.37ppm
CO
AQI 55
Moderate
8.32μg/m³
PM2.5
62.63μg/m³
PM10
37.48ppb
O3
0.48ppb
SO2
3.58ppb
NO2
0.34ppm
CO
AQI 36
Good
5.08μg/m³
PM2.5
25.46μg/m³
PM10
39.43ppb
O3
0.74ppb
SO2
7.52ppb
NO2
0.35ppm
CO
AQI 48
Good
4.30μg/m³
PM2.5
52.05μg/m³
PM10
37.69ppb
O3
0.47ppb
SO2
3.74ppb
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 Arroyo Grande, California are available every hour.
Arroyo Grande, California experienced its worst air quality at 09:00:00, 2026-02-10.
The best air quality in Arroyo Grande, California was observed at 10:00:00 on 2026-02-10.
The air quality in Arroyo Grande, California right now is Moderate, with an AQI of 57.
In Arroyo Grande, California, PM10 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 9.919 μg/m3.
Arroyo Grande, California currently has a PM10 concentration of 67.079 μg/m3.
The current carbon monoxide (CO) level in Arroyo Grande, California is 0.334 ppm.
The current sulfur dioxide (SO2) concentration in Arroyo Grande, California is 0.466 ppb.
Arroyo Grande, California currently has an ozone (O3) concentration of 36.108 ppm.
The current level of nitrogen dioxide (NO2) in Arroyo Grande, California is 4.43 ppb.
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