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Today Hourly 7 days 30 days Air Quality
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Hourly Weather | Today › Sunday, December 14, 2025
Active Weather Warnings
New Haven, Connecticut
8 AM
Snowy Weather
30°
Feels Like 25°
69
Humidity: 87%
Wind: 6 mph
UV Index: 0
9 AM
Snowy Weather
28°
Feels Like 21°
73
Humidity: 82%
Wind: 8 mph
UV Index: 0
10 AM
Snowy Weather
28°
Feels Like 18°
75
Humidity: 75%
Wind: 9 mph
UV Index: 0
11 AM
Snowy Weather
30°
Feels Like 18°
74
Humidity: 67%
Wind: 12 mph
UV Index: 1
12 PM
Cloudy Weather
30°
Feels Like 19°
49
Humidity: 59%
Wind: 13 mph
UV Index: 1
1 PM
Cloudy Weather
30°
Feels Like 19°
20
Humidity: 55%
Wind: 14 mph
UV Index: 1
2 PM
Cloudy Weather
32°
Feels Like 19°
20
Humidity: 50%
Wind: 14 mph
UV Index: 1
3 PM
Cloudy Weather
30°
Feels Like 18°
20
Humidity: 52%
Wind: 14 mph
UV Index: 0
4 PM
Cloudy Weather
28°
Feels Like 14°
20
Humidity: 56%
Wind: 14 mph
UV Index: 0
5 PM
Cloudy Weather
27°
Feels Like 12°
20
Humidity: 58%
Wind: 13 mph
UV Index: 0
6 PM
Cloudy Weather
25°
Feels Like 10°
13
Humidity: 60%
Wind: 13 mph
UV Index: 0
7 PM
Cloudy Night
25°
Feels Like 9°
0
Humidity: 58%
Wind: 14 mph
UV Index: 0
8 PM
Cloudy Night
23°
Feels Like 7°
0
Humidity: 58%
Wind: 15 mph
UV Index: 0
9 PM
Night
21°
Feels Like 3°
0
Humidity: 60%
Wind: 15 mph
UV Index: 0
10 PM
Night
19°
Feels Like 3°
0
Humidity: 59%
Wind: 15 mph
UV Index: 0
11 PM
Night
19°
Feels Like 1°
0
Humidity: 58%
Wind: 15 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 2.09 µg/m³
  • PM10: 2.77 µg/m³
  • O3: 0.023 ppm
  • NO2: 8.5 ppb
  • SO2: 0.6 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.89 µg/m³
  • PM10: 2.68 µg/m³
  • O3: 0.022 ppm
  • NO2: 8.9 ppb
  • SO2: 0.6 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.7 µg/m³
  • PM10: 2.52 µg/m³
  • O3: 0.022 ppm
  • NO2: 9.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.34 µg/m³
  • PM10: 2.3 µg/m³
  • O3: 0.026 ppm
  • NO2: 7.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.35 µg/m³
  • PM10: 2.53 µg/m³
  • O3: 0.031 ppm
  • NO2: 5.3 ppb
  • SO2: 0.7 ppb
  • CO: 0.16 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: 1.63 µg/m³
  • PM10: 2.9 µg/m³
  • O3: 0.035 ppm
  • NO2: 4.4 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.86 µg/m³
  • PM10: 3.15 µg/m³
  • O3: 0.037 ppm
  • NO2: 4 ppb
  • SO2: 0.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.82 µg/m³
  • PM10: 3.07 µg/m³
  • O3: 0.038 ppm
  • NO2: 4.2 ppb
  • SO2: 0.7 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.57 µg/m³
  • PM10: 2.76 µg/m³
  • O3: 0.037 ppm
  • NO2: 4.7 ppb
  • SO2: 0.7 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.23 µg/m³
  • PM10: 2.33 µg/m³
  • O3: 0.035 ppm
  • NO2: 5 ppb
  • SO2: 0.7 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.92 µg/m³
  • PM10: 1.92 µg/m³
  • O3: 0.034 ppm
  • NO2: 4.7 ppb
  • SO2: 0.6 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.73 µg/m³
  • PM10: 1.67 µg/m³
  • O3: 0.033 ppm
  • NO2: 4.4 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.66 µg/m³
  • PM10: 1.53 µg/m³
  • O3: 0.033 ppm
  • NO2: 4.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.64 µg/m³
  • PM10: 1.49 µg/m³
  • O3: 0.033 ppm
  • NO2: 3.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.64 µg/m³
  • PM10: 1.47 µg/m³
  • O3: 0.034 ppm
  • NO2: 3.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.6 µg/m³
  • PM10: 1.37 µg/m³
  • O3: 0.034 ppm
  • NO2: 3 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 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 New Haven

Moderate Expected Likely

Winter Weather Advisory

Winter Weather Advisory issued December 14 at 1:30AM EST until December 14 at 1:00PM EST by NWS Upton NY
Dec 14, 1:30 AM → Dec 14, 1:00 PM
WHAT: Snow. Total snow accumulations between 2 and 4 inches
expected, locally 5 inches possible.

WHERE: Portions of southern Connecticut, northeast New Jersey,
and southeast New York.

WHEN: Until 1 PM EST this afternoon.

IMPACTS: Plan on hazardous road conditions with snow covered
roads this morning.

ADDITIONAL DETAILS: Snow ends mid to late morning today.
+ Read More
Slow down and use caution while traveling. Check local Department of Transportation information services for the latest road conditions.
Updated: Dec 14, 6:50 AM Source: NWS Alert