Stay updated with real-time air quality in Arcadia, 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)
38
Good
Arcadia, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
6.71 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.66 μg/m³
0
55
155
255
425
605+
24.76 ppb
0
55
71
86
201
201+
0.24 ppb
0
36
76
186
605
1005+
4.72 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Arcadia, California
Arcadia, California
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AQI 33
Good
6.02μg/m³
PM2.5
17.44μg/m³
PM10
30.78ppb
O3
0.36ppb
SO2
5.20ppb
NO2
0.18ppm
CO
AQI 42
Good
7.44μg/m³
PM2.5
31.74μg/m³
PM10
44.65ppb
O3
0.36ppb
SO2
4.82ppb
NO2
0.18ppm
CO
AQI 28
Good
5.38μg/m³
PM2.5
16.57μg/m³
PM10
29.52ppb
O3
0.36ppb
SO2
5.89ppb
NO2
0.17ppm
CO
AQI 33
Good
6.24μg/m³
PM2.5
17.81μg/m³
PM10
30.98ppb
O3
0.36ppb
SO2
5.00ppb
NO2
0.19ppm
CO
AQI 42
Good
7.44μg/m³
PM2.5
31.74μg/m³
PM10
44.65ppb
O3
0.36ppb
SO2
4.82ppb
NO2
0.18ppm
CO
AQI 38
Good
6.72μg/m³
PM2.5
18.54μg/m³
PM10
31.64ppb
O3
0.36ppb
SO2
4.59ppb
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 Arcadia, California are available every hour.
Arcadia, California experienced its worst air quality at 07:00:00, 2025-07-22.
The best air quality in Arcadia, California was observed at 05:00:00 on 2025-07-22.
The air quality in Arcadia, California right now is Good, with an AQI of 33.
In Arcadia, California, PM2.5 is the most frequently found pollutant.
When air quality in Arcadia, California is compromised, staying indoors and wearing a mask can reduce health risks.
Arcadia, California currently has a PM2.5 concentration of 5.773 μg/m3.
Arcadia, California currently has a PM10 concentration of 17.115 μg/m3.
The current carbon monoxide (CO) level in Arcadia, California is 0.178 ppm.
The current sulfur dioxide (SO2) concentration in Arcadia, California is 0.361 ppb.
Arcadia, California currently has an ozone (O3) concentration of 30.317 ppm.
The current level of nitrogen dioxide (NO2) in Arcadia, California is 5.527 ppb.
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