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)
20
Good
Arroyo Grande, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
1.13 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
3.81 μg/m³
0
55
155
255
425
605+
21.89 ppb
0
55
71
86
201
201+
0.16 ppb
0
36
76
186
605
1005+
0.55 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Arroyo Grande, California
Arroyo Grande, California
Scroll To Air Quality MapLoading...
AQI 19
Good
1.45μg/m³
PM2.5
5.91μg/m³
PM10
20.50ppb
O3
0.66ppb
SO2
1.74ppb
NO2
0.12ppm
CO
AQI 21
Good
1.19μg/m³
PM2.5
4.98μg/m³
PM10
22.85ppb
O3
0.67ppb
SO2
0.76ppb
NO2
0.12ppm
CO
AQI 19
Good
0.47μg/m³
PM2.5
2.26μg/m³
PM10
20.65ppb
O3
0.66ppb
SO2
2.42ppb
NO2
0.12ppm
CO
AQI 19
Good
0.62μg/m³
PM2.5
2.78μg/m³
PM10
20.65ppb
O3
0.67ppb
SO2
2.31ppb
NO2
0.12ppm
CO
AQI 24
Good
1.77μg/m³
PM2.5
6.02μg/m³
PM10
26.30ppb
O3
0.66ppb
SO2
2.57ppb
NO2
0.13ppm
CO
AQI 19
Good
0.40μg/m³
PM2.5
1.83μg/m³
PM10
19.76ppb
O3
0.67ppb
SO2
2.96ppb
NO2
0.12ppm
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, 2025-07-24.
The best air quality in Arroyo Grande, California was observed at 01:00:00 on 2025-07-23.
The air quality in Arroyo Grande, California right now is Good, with an AQI of 19.
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 3.11 μg/m3.
Arroyo Grande, California currently has a PM10 concentration of 11.48 μg/m3.
The current carbon monoxide (CO) level in Arroyo Grande, California is 0.139 ppm.
The current sulfur dioxide (SO2) concentration in Arroyo Grande, California is 0.644 ppb.
Arroyo Grande, California currently has an ozone (O3) concentration of 21.497 ppm.
The current level of nitrogen dioxide (NO2) in Arroyo Grande, California is 0.942 ppb.
All Rights Reserved © Ambee Inc. 2025