Stay updated with real-time air quality in Casselberry, Florida 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
Casselberry, Florida
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.73 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.03 μg/m³
0
55
155
255
425
605+
41.14 ppb
0
55
71
86
201
201+
0.66 ppb
0
36
76
186
605
1005+
11.51 ppb
0
54
101
361
1250
2050+
0.46 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Casselberry, Florida
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AQI 38
Good
3.50μg/m³
PM2.5
13.65μg/m³
PM10
40.64ppb
O3
0.66ppb
SO2
11.16ppb
NO2
0.46ppm
CO
AQI 37
Good
3.37μg/m³
PM2.5
12.94μg/m³
PM10
40.36ppb
O3
0.66ppb
SO2
11.03ppb
NO2
0.45ppm
CO
AQI 39
Good
3.92μg/m³
PM2.5
16.11μg/m³
PM10
41.57ppb
O3
0.66ppb
SO2
11.97ppb
NO2
0.47ppm
CO
AQI 39
Good
4.16μg/m³
PM2.5
17.57μg/m³
PM10
42.11ppb
O3
0.67ppb
SO2
13.17ppb
NO2
0.46ppm
CO
AQI 39
Good
4.21μg/m³
PM2.5
17.88μg/m³
PM10
42.00ppb
O3
0.67ppb
SO2
12.57ppb
NO2
0.47ppm
CO
AQI 39
Good
4.25μg/m³
PM2.5
18.21μg/m³
PM10
42.35ppb
O3
0.67ppb
SO2
14.31ppb
NO2
0.46ppm
CO
Air quality and pollutant data for Florida, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Casselberry, Florida is updated every hour for accuracy.
In the past 24 hours, the air quality in Casselberry, Florida was at its worst at 10:00:00 on 2026-03-02.
In the last 24 hours, the best air quality in Casselberry, Florida was observed at 04:00:00 on 2026-03-02.
As of now, the AQI in Casselberry, Florida is 38, indicating Good conditions.
Casselberry, Florida air has the highest levels of O3.
Poor air quality in Casselberry, Florida means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Casselberry, Florida are currently 3.734 μg/m3.
The PM10 concentration in Casselberry, Florida is 15.025 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Casselberry, Florida is 0.463 ppm.
Currently, Casselberry, Florida has a sulfur dioxide (SO2) concentration of 0.663 ppb.
The current ozone (O3) level in Casselberry, Florida at the moment is 41.142 ppm.
Nitrogen dioxide (NO2) level in Casselberry, Florida at the moment is 11.514 ppb.
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