Hourly Weather | Today Wednesday, March 18, 2026
Clearwater, Florida
2 AM
Cloudy Night
55°
Feels Like 52°
0
Humidity: 65%
UV Index: 0
Wind: 10 mph
3 AM
Cloudy Night
55°
Feels Like 52°
0
Humidity: 66%
UV Index: 0
Wind: 10 mph
4 AM
Cloudy Night
55°
Feels Like 50°
0
Humidity: 66%
UV Index: 0
Wind: 10 mph
5 AM
Cloudy Night
54°
Feels Like 50°
0
Humidity: 66%
UV Index: 0
Wind: 10 mph
6 AM
Cloudy Night
54°
Feels Like 48°
0
Humidity: 67%
UV Index: 0
Wind: 10 mph
7 AM
Cloudy Night
54°
Feels Like 48°
0
Humidity: 69%
UV Index: 0
Wind: 10 mph
8 AM
Sunny Weather
54°
Feels Like 48°
0
Humidity: 67%
UV Index: 1
Wind: 14 mph
9 AM
Sunny Weather
55°
Feels Like 52°
0
Humidity: 63%
UV Index: 2
Wind: 14 mph
10 AM
Sunny Weather
59°
Feels Like 57°
0
Humidity: 58%
UV Index: 4
Wind: 15 mph
11 AM
Sunny Weather
63°
Feels Like 63°
0
Humidity: 54%
UV Index: 5
Wind: 15 mph
12 PM
Cloudy Weather
64°
Feels Like 68°
0
Humidity: 49%
UV Index: 7
Wind: 15 mph
1 PM
Cloudy Weather
68°
Feels Like 72°
0
Humidity: 46%
UV Index: 8
Wind: 15 mph
2 PM
Sunny Weather
70°
Feels Like 73°
0
Humidity: 43%
UV Index: 7
Wind: 12 mph
3 PM
Sunny Weather
72°
Feels Like 73°
0
Humidity: 43%
UV Index: 5
Wind: 12 mph
4 PM
Sunny Weather
72°
Feels Like 72°
0
Humidity: 44%
UV Index: 4
Wind: 13 mph
5 PM
Sunny Weather
72°
Feels Like 70°
0
Humidity: 45%
UV Index: 2
Wind: 13 mph
6 PM
Sunny Weather
72°
Feels Like 68°
0
Humidity: 45%
UV Index: 1
Wind: 13 mph
7 PM
Sunny Weather
70°
Feels Like 66°
0
Humidity: 46%
UV Index: 0
Wind: 12 mph
8 PM
Night
68°
Feels Like 64°
0
Humidity: 51%
UV Index: 0
Wind: 12 mph
9 PM
Night
66°
Feels Like 63°
0
Humidity: 57%
UV Index: 0
Wind: 10 mph
10 PM
Night
64°
Feels Like 61°
0
Humidity: 61%
UV Index: 0
Wind: 10 mph
11 PM
Night
63°
Feels Like 61°
0
Humidity: 62%
UV Index: 0
Wind: 10 mph

Hourly Air Quality Forecast - AQI (US EPA)

2 AM
78 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.29 µg/m³
  • PM10: 4.37 µg/m³
  • O3: 0.063 ppm
  • NO2: 0.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

3 AM
79 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.2 µg/m³
  • PM10: 3.73 µg/m³
  • O3: 0.063 ppm
  • NO2: 0.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

4 AM
77 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.13 µg/m³
  • PM10: 3.32 µg/m³
  • O3: 0.063 ppm
  • NO2: 0.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

5 AM
74 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.15 µg/m³
  • PM10: 3.16 µg/m³
  • O3: 0.062 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

6 AM
69 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.36 µg/m³
  • PM10: 3.31 µg/m³
  • O3: 0.060 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 AM
64 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.68 µg/m³
  • PM10: 3.67 µg/m³
  • O3: 0.058 ppm
  • NO2: 0.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

8 AM
60 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.93 µg/m³
  • PM10: 3.91 µg/m³
  • O3: 0.057 ppm
  • NO2: 0.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

9 AM
59 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.07 µg/m³
  • PM10: 4 µg/m³
  • O3: 0.057 ppm
  • NO2: 1.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

10 AM
62 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.16 µg/m³
  • PM10: 4.16 µg/m³
  • O3: 0.058 ppm
  • NO2: 1.2 ppb
  • SO2: 0.6 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 AM
68 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.34 µg/m³
  • PM10: 4.51 µg/m³
  • O3: 0.060 ppm
  • NO2: 1 ppb
  • SO2: 0.7 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

12 PM
78 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.65 µg/m³
  • PM10: 5.03 µg/m³
  • O3: 0.063 ppm
  • NO2: 0.8 ppb
  • SO2: 0.6 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

1 PM
89 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.03 µg/m³
  • PM10: 5.51 µg/m³
  • O3: 0.066 ppm
  • NO2: 0.5 ppb
  • SO2: 0.6 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

2 PM
96 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.35 µg/m³
  • PM10: 5.89 µg/m³
  • O3: 0.069 ppm
  • NO2: 0.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

3 PM
101 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.59 µg/m³
  • PM10: 6.27 µg/m³
  • O3: 0.070 ppm
  • NO2: 0.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

4 PM
103 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.84 µg/m³
  • PM10: 6.72 µg/m³
  • O3: 0.071 ppm
  • NO2: 0.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

5 PM
104 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.04 µg/m³
  • PM10: 7.05 µg/m³
  • O3: 0.071 ppm
  • NO2: 0.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

6 PM
107 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.2 µg/m³
  • PM10: 7.42 µg/m³
  • O3: 0.072 ppm
  • NO2: 0.2 ppb
  • SO2: 0.6 ppb
  • CO: 0.12 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

7 PM
106 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.33 µg/m³
  • PM10: 8.02 µg/m³
  • O3: 0.072 ppm
  • NO2: 0.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.12 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

8 PM
104 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.47 µg/m³
  • PM10: 8.81 µg/m³
  • O3: 0.071 ppm
  • NO2: 0.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.12 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

9 PM
102 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.57 µg/m³
  • PM10: 9.3 µg/m³
  • O3: 0.071 ppm
  • NO2: 0.4 ppb
  • SO2: 0.6 ppb
  • CO: 0.12 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

10 PM
101 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.57 µg/m³
  • PM10: 9.02 µg/m³
  • O3: 0.070 ppm
  • NO2: 0.4 ppb
  • SO2: 0.6 ppb
  • CO: 0.12 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

11 PM
100 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.51 µg/m³
  • PM10: 8.48 µg/m³
  • O3: 0.070 ppm
  • NO2: 0.5 ppb
  • SO2: 0.6 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.