Stay updated with real-time air quality in Largo, 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)
56
Moderate
Largo, Florida
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.57 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
47.12 μg/m³
0
55
155
255
425
605+
37.59 ppb
0
55
71
86
201
201+
1.19 ppb
0
36
76
186
605
1005+
2.43 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Largo, Florida
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AQI 54
Moderate
10.70μg/m³
PM2.5
46.25μg/m³
PM10
37.71ppb
O3
1.16ppb
SO2
2.53ppb
NO2
0.15ppm
CO
AQI 56
Moderate
12.40μg/m³
PM2.5
49.20μg/m³
PM10
37.80ppb
O3
1.20ppb
SO2
2.27ppb
NO2
0.13ppm
CO
AQI 56
Moderate
12.50μg/m³
PM2.5
50.79μg/m³
PM10
38.06ppb
O3
1.19ppb
SO2
2.12ppb
NO2
0.14ppm
CO
AQI 56
Moderate
12.09μg/m³
PM2.5
42.05μg/m³
PM10
36.71ppb
O3
1.24ppb
SO2
2.88ppb
NO2
0.12ppm
CO
AQI 58
Moderate
12.94μg/m³
PM2.5
53.03μg/m³
PM10
38.49ppb
O3
1.18ppb
SO2
1.96ppb
NO2
0.13ppm
CO
AQI 52
Moderate
10.10μg/m³
PM2.5
42.76μg/m³
PM10
36.89ppb
O3
1.16ppb
SO2
2.61ppb
NO2
0.16ppm
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 Largo, Florida is updated every hour for accuracy.
In the past 24 hours, the air quality in Largo, Florida was at its worst at 07:00:00 on 2026-08-15.
In the last 24 hours, the best air quality in Largo, Florida was observed at 06:00:00 on 2026-08-16.
As of now, the AQI in Largo, Florida is 56, indicating Moderate conditions.
Largo, Florida air has the highest levels of PM2.5.
Poor air quality in Largo, Florida means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Largo, Florida are currently 11.575 μg/m3.
The PM10 concentration in Largo, Florida is 47.115 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Largo, Florida is 0.142 ppm.
Currently, Largo, Florida has a sulfur dioxide (SO2) concentration of 1.187 ppb.
The current ozone (O3) level in Largo, Florida at the moment is 37.59 ppm.
Nitrogen dioxide (NO2) level in Largo, Florida at the moment is 2.429 ppb.
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