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Hourly Weather | Today › Wednesday, August 12, 2026
Active Weather Warnings
Largo, Florida
9 AM
Cloudy Weather
84°
Feels Like 100°
0
Humidity: 80%
UV Index: 3
Wind: 6 mph
10 AM
Cloudy Weather
88°
Feels Like 102°
0
Humidity: 73%
UV Index: 5
Wind: 7 mph
11 AM
Cloudy Weather
90°
Feels Like 106°
0
Humidity: 68%
UV Index: 7
Wind: 7 mph
12 PM
Cloudy Weather
91°
Feels Like 108°
0
Humidity: 64%
UV Index: 10
Wind: 8 mph
1 PM
Cloudy Weather
91°
Feels Like 109°
0
Humidity: 62%
UV Index: 11
Wind: 9 mph
2 PM
Sunny Weather
93°
Feels Like 109°
0
Humidity: 59%
UV Index: 10
Wind: 9 mph
3 PM
Sunny Weather
91°
Feels Like 106°
0
Humidity: 60%
UV Index: 7
Wind: 10 mph
4 PM
Cloudy Weather
91°
Feels Like 104°
0
Humidity: 61%
UV Index: 5
Wind: 10 mph
5 PM
Sunny Weather
91°
Feels Like 102°
0
Humidity: 63%
UV Index: 3
Wind: 9 mph
6 PM
Sunny Weather
90°
Feels Like 100°
0
Humidity: 65%
UV Index: 2
Wind: 9 mph
7 PM
Sunny Weather
90°
Feels Like 99°
0
Humidity: 67%
UV Index: 1
Wind: 8 mph
8 PM
Cloudy Weather
88°
Feels Like 97°
0
Humidity: 71%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
84°
Feels Like 93°
0
Humidity: 77%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
82°
Feels Like 91°
0
Humidity: 84%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
82°
Feels Like 91°
0
Humidity: 83%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

9 AM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.41 µg/m³
  • PM10: 8.9 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 AM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.23 µg/m³
  • PM10: 8.7 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 AM
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6 µg/m³
  • PM10: 8.48 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

12 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.36 µg/m³
  • PM10: 7.87 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

1 PM
32 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.53 µg/m³
  • PM10: 7.09 µg/m³
  • O3: 0.035 ppm
  • NO2: 0 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

2 PM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.06 µg/m³
  • PM10: 6.62 µg/m³
  • O3: 0.033 ppm
  • NO2: 0 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

3 PM
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.74 µg/m³
  • PM10: 6.33 µg/m³
  • O3: 0.031 ppm
  • NO2: 0 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

4 PM
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.51 µg/m³
  • PM10: 6.13 µg/m³
  • O3: 0.029 ppm
  • NO2: 0 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

5 PM
26 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.3 µg/m³
  • PM10: 5.94 µg/m³
  • O3: 0.028 ppm
  • NO2: 0 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 PM
25 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.11 µg/m³
  • PM10: 5.77 µg/m³
  • O3: 0.027 ppm
  • NO2: 0 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 PM
24 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.95 µg/m³
  • PM10: 5.61 µg/m³
  • O3: 0.026 ppm
  • NO2: 0 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM
23 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.79 µg/m³
  • PM10: 5.44 µg/m³
  • O3: 0.025 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
23 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.64 µg/m³
  • PM10: 5.27 µg/m³
  • O3: 0.025 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
23 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.53 µg/m³
  • PM10: 5.09 µg/m³
  • O3: 0.024 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
22 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.47 µg/m³
  • PM10: 4.97 µg/m³
  • O3: 0.024 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Current Real-Time Air Quality Report

Weather Alerts and Warnings for Largo

Moderate Expected Likely

Heat Advisory

Heat Advisory issued August 12 at 1:06AM EDT until August 12 at 7:00PM EDT by NWS Tampa Bay Ruskin FL
Aug 12, 12:00 PM → Aug 12, 7:00 PM
WHAT: Heat index values up to 108 expected.

WHERE: Portions of southwest and west central Florida.

WHEN: From noon today to 7 PM EDT this evening.

IMPACTS: Hot temperatures and high humidity may cause heat
illnesses.
+ Read More
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Updated: Aug 12, 7:06 AM Source: NWS Alert

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