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Hourly Weather | Today › Monday, September 21, 2026
Active Weather Warnings
Hammond, Indiana
2 PM
Rainy Weather
63°
Feels Like 57°
51
Humidity: 80%
UV Index: 1
Wind: 12 mph
3 PM
Cloudy Weather
63°
Feels Like 61°
47
Humidity: 81%
UV Index: 1
Wind: 12 mph
4 PM
Cloudy Weather
63°
Feels Like 61°
40
Humidity: 81%
UV Index: 1
Wind: 12 mph
5 PM
Cloudy Weather
63°
Feels Like 61°
34
Humidity: 80%
UV Index: 1
Wind: 10 mph
6 PM
Cloudy Weather
63°
Feels Like 59°
34
Humidity: 82%
UV Index: 0
Wind: 10 mph
7 PM
Cloudy Weather
63°
Feels Like 59°
33
Humidity: 80%
UV Index: 0
Wind: 9 mph
8 PM
Cloudy Night
63°
Feels Like 59°
33
Humidity: 80%
UV Index: 0
Wind: 9 mph
9 PM
Cloudy Night
63°
Feels Like 57°
33
Humidity: 80%
UV Index: 0
Wind: 10 mph
10 PM
Cloudy Night
61°
Feels Like 57°
33
Humidity: 81%
UV Index: 0
Wind: 10 mph
11 PM
Cloudy Night
61°
Feels Like 55°
35
Humidity: 83%
UV Index: 0
Wind: 9 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 2.84 µg/m³
  • PM10: 3.09 µg/m³
  • O3: 0.029 ppm
  • NO2: 2.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.95 µg/m³
  • PM10: 3.2 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.2 ppb
  • SO2: 0.7 ppb
  • CO: 0.17 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: 3.07 µg/m³
  • PM10: 3.34 µg/m³
  • O3: 0.029 ppm
  • NO2: 2.5 ppb
  • SO2: 0.7 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.11 µg/m³
  • PM10: 3.41 µg/m³
  • O3: 0.027 ppm
  • NO2: 2.9 ppb
  • SO2: 0.8 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.04 µg/m³
  • PM10: 3.38 µg/m³
  • O3: 0.026 ppm
  • NO2: 3.4 ppb
  • SO2: 0.8 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.92 µg/m³
  • PM10: 3.29 µg/m³
  • O3: 0.024 ppm
  • NO2: 3.8 ppb
  • SO2: 0.9 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.77 µg/m³
  • PM10: 3.17 µg/m³
  • O3: 0.022 ppm
  • NO2: 3.9 ppb
  • SO2: 0.9 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.74 µg/m³
  • PM10: 3.14 µg/m³
  • O3: 0.021 ppm
  • NO2: 3.8 ppb
  • SO2: 0.9 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.8 µg/m³
  • PM10: 3.22 µg/m³
  • O3: 0.021 ppm
  • NO2: 3.7 ppb
  • SO2: 0.8 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.83 µg/m³
  • PM10: 3.24 µg/m³
  • O3: 0.021 ppm
  • NO2: 3.4 ppb
  • SO2: 0.8 ppb
  • CO: 0.18 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 Hammond

Moderate Expected Likely

Beach Hazards Statement

Beach Hazards Statement issued September 21 at 9:25AM CDT until September 23 at 1:00PM CDT by NWS Chicago IL
Sep 21, 9:25 AM → Sep 23, 1:00 PM
WHAT: High wave action and dangerous currents expected at Lake
Michigan beaches. Waves 5 to 8 ft expected.

WHERE: Lake County IN.

WHEN: Through Wednesday afternoon.

IMPACTS: Swimming conditions will be life threatening,
especially for inexperienced swimmers.
+ Read More
Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.
Updated: Sep 21, 12:36 PM Source: NWS Alert

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