Stay updated with real-time air quality in St. Petersburg, 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)
44
Good
St. Petersburg, Florida
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.01 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
35.28 μg/m³
0
55
155
255
425
605+
29.37 ppb
0
55
71
86
201
201+
0.16 ppb
0
36
76
186
605
1005+
1.33 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
St. Petersburg, Florida
St. Petersburg, Florida
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AQI 47
Good
5.23μg/m³
PM2.5
18.98μg/m³
PM10
51.07ppb
O3
0.85ppb
SO2
4.81ppb
NO2
0.41ppm
CO
AQI 49
Good
4.58μg/m³
PM2.5
21.62μg/m³
PM10
52.59ppb
O3
0.75ppb
SO2
7.58ppb
NO2
0.40ppm
CO
AQI 48
Good
4.64μg/m³
PM2.5
21.17μg/m³
PM10
52.38ppb
O3
0.73ppb
SO2
6.92ppb
NO2
0.40ppm
CO
AQI 46
Good
5.24μg/m³
PM2.5
22.38μg/m³
PM10
50.43ppb
O3
0.81ppb
SO2
4.39ppb
NO2
0.41ppm
CO
AQI 47
Good
5.01μg/m³
PM2.5
21.45μg/m³
PM10
51.48ppb
O3
0.78ppb
SO2
5.21ppb
NO2
0.41ppm
CO
AQI 47
Good
5.11μg/m³
PM2.5
21.60μg/m³
PM10
51.26ppb
O3
0.80ppb
SO2
4.81ppb
NO2
0.41ppm
CO
Air quality data and pollutant measurements for Florida, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for St. Petersburg, Florida is updated every hour.
The worst air quality in St. Petersburg, Florida in the last 24 hours was observed at 11:00:00 on 2026-06-04.
In the last 24 hrs, the best air quality in St. Petersburg, Florida was observed at 03:00:00 on 2026-06-04.
The current air quality in St. Petersburg, Florida is 48, categorized as Good based on real-time data.
The most common pollutant in St. Petersburg, Florida is O3.
If the air quality in St. Petersburg, Florida is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at St. Petersburg, Florida is 5.063 μg/m3.
The current PM10 concentration at St. Petersburg, Florida is 17.137 μg/m3.
The current carbon monoxide (CO) concentration at St. Petersburg, Florida is 0.408 ppm.
The current sulfur dioxide (SO2) concentration at St. Petersburg, Florida is 0.836 ppb.
The current ozone (O3) concentration at St. Petersburg, Florida is 52 ppm.
The current nitrogen dioxide (NO2) concentration at St. Petersburg, Florida is 5.427 ppb.
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