Hourly Weather | Today | Thursday, September 4, 2025
Carlsbad, California
5 AM
Cloudy NightCloudy night, overcast skies at night with no rain.
64°
Feels Like 66°
17
Humidity: 95%
Wind: 2 mph
UV Index: 0
6 AM
Cloudy NightCloudy night, overcast skies at night with no rain.
64°
Feels Like 66°
17
Humidity: 98%
Wind: 2 mph
UV Index: 0
7 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
66°
Feels Like 68°
12
Humidity: 92%
Wind: 2 mph
UV Index: 1
8 AM
Cloudy WeatherCloudy weather, overcast skies with no rain.
70°
Feels Like 72°
0
Humidity: 83%
Wind: 2 mph
UV Index: 4
9 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
72°
Feels Like 75°
0
Humidity: 77%
Wind: 4 mph
UV Index: 9
10 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
75°
Feels Like 79°
0
Humidity: 70%
Wind: 6 mph
UV Index: 15
11 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
77°
Feels Like 79°
0
Humidity: 68%
Wind: 8 mph
UV Index: 21
12 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
77°
Feels Like 81°
0
Humidity: 69%
Wind: 9 mph
UV Index: 30
1 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
79°
Feels Like 82°
0
Humidity: 64%
Wind: 10 mph
UV Index: 33
2 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
79°
Feels Like 84°
0
Humidity: 69%
Wind: 10 mph
UV Index: 74
3 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
77°
Feels Like 82°
0
Humidity: 73%
Wind: 10 mph
UV Index: 53
4 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
75°
Feels Like 81°
0
Humidity: 73%
Wind: 10 mph
UV Index: 38
5 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
75°
Feels Like 77°
0
Humidity: 71%
Wind: 9 mph
UV Index: 24
6 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
73°
Feels Like 75°
0
Humidity: 79%
Wind: 7 mph
UV Index: 13
7 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
72°
Feels Like 73°
0
Humidity: 87%
Wind: 6 mph
UV Index: 3
8 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
70°
Feels Like 72°
0
Humidity: 91%
Wind: 5 mph
UV Index: 0
9 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
70°
Feels Like 72°
0
Humidity: 91%
Wind: 4 mph
UV Index: 0
10 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
70°
Feels Like 70°
0
Humidity: 92%
Wind: 2 mph
UV Index: 0
11 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
68°
Feels Like 70°
0
Humidity: 92%
Wind: 2 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

5 AM
57 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 15.74 µg/m³
  • PM10: 21.44 µg/m³
  • O₃: 16.38 ppb
  • NO₂: 16.14 ppb
  • SO₂: 0.88 ppb
  • CO: 203.79 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

6 AM
57 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 15.66 µg/m³
  • PM10: 17.73 µg/m³
  • O₃: 16.16 ppb
  • NO₂: 14.30 ppb
  • SO₂: 0.89 ppb
  • CO: 222.52 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

7 AM
58 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 16.02 µg/m³
  • PM10: 18.08 µg/m³
  • O₃: 18.35 ppb
  • NO₂: 12.65 ppb
  • SO₂: 0.92 ppb
  • CO: 229.36 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

8 AM
58 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 14.68 µg/m³
  • PM10: 16.76 µg/m³
  • O₃: 20.53 ppb
  • NO₂: 11.00 ppb
  • SO₂: 0.95 ppb
  • CO: 236.20 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

9 AM
58 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 13.06 µg/m³
  • PM10: 15.69 µg/m³
  • O₃: 27.96 ppb
  • NO₂: 8.81 ppb
  • SO₂: 1.12 ppb
  • CO: 208.47 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

10 AM
59 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 12.18 µg/m³
  • PM10: 15.28 µg/m³
  • O₃: 35.39 ppb
  • NO₂: 6.62 ppb
  • SO₂: 1.29 ppb
  • CO: 180.74 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

11 AM
58 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.97 µg/m³
  • PM10: 15.36 µg/m³
  • O₃: 42.82 ppb
  • NO₂: 4.43 ppb
  • SO₂: 1.47 ppb
  • CO: 153.01 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

12 PM
58 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 12.14 µg/m³
  • PM10: 15.75 µg/m³
  • O₃: 46.45 ppb
  • NO₂: 3.54 ppb
  • SO₂: 1.39 ppb
  • CO: 141.76 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

1 PM
58 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 12.51 µg/m³
  • PM10: 16.24 µg/m³
  • O₃: 50.07 ppb
  • NO₂: 2.64 ppb
  • SO₂: 1.32 ppb
  • CO: 130.51 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

2 PM
59 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 12.76 µg/m³
  • PM10: 16.44 µg/m³
  • O₃: 53.70 ppb
  • NO₂: 1.75 ppb
  • SO₂: 1.25 ppb
  • CO: 119.26 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

3 PM
59 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 13.00 µg/m³
  • PM10: 16.61 µg/m³
  • O₃: 53.13 ppb
  • NO₂: 1.84 ppb
  • SO₂: 1.23 ppb
  • CO: 117.80 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

4 PM
60 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 12.88 µg/m³
  • PM10: 16.47 µg/m³
  • O₃: 52.57 ppb
  • NO₂: 1.92 ppb
  • SO₂: 1.21 ppb
  • CO: 116.35 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

5 PM
60 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 12.41 µg/m³
  • PM10: 15.96 µg/m³
  • O₃: 52.00 ppb
  • NO₂: 2.01 ppb
  • SO₂: 1.19 ppb
  • CO: 114.89 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

6 PM
60 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.90 µg/m³
  • PM10: 15.40 µg/m³
  • O₃: 46.06 ppb
  • NO₂: 3.49 ppb
  • SO₂: 1.12 ppb
  • CO: 122.55 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

7 PM
60 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.34 µg/m³
  • PM10: 14.82 µg/m³
  • O₃: 40.12 ppb
  • NO₂: 4.97 ppb
  • SO₂: 1.06 ppb
  • CO: 130.20 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

8 PM
59 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.80 µg/m³
  • PM10: 15.42 µg/m³
  • O₃: 34.19 ppb
  • NO₂: 6.44 ppb
  • SO₂: 0.99 ppb
  • CO: 137.85 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

9 PM
59 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 12.43 µg/m³
  • PM10: 16.53 µg/m³
  • O₃: 31.74 ppb
  • NO₂: 8.07 ppb
  • SO₂: 1.08 ppb
  • CO: 147.82 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

10 PM
59 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 13.02 µg/m³
  • PM10: 17.09 µg/m³
  • O₃: 29.29 ppb
  • NO₂: 9.70 ppb
  • SO₂: 1.17 ppb
  • CO: 157.80 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.