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Mount Holly (New Jersey) (US)

Air Quality Trend (last 7 days)

Good (0-50)
Moderate (51-100)
Unhealthy for Sensitive Groups (101-150)
Unhealthy (151-200)
Very Unhealthy (201-300)
Hazardous (300+)

Weather - 48h MET Norway

Heavy sleet
1°C
Heavy sleet
Humidity
98.1%
Wind
8 m/s
Pressure
1011.2 hPa
Direction
58°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
-2° / 2°
Precip.
23.8mm
Max wind
8.5 m/s

Hourly Forecast

22.02
Now
Weather
1.6
8
22.02
22:00
Weather
1.4
7
22.02
23:00
Weather
1.2
7
23.02
00:00
Weather
1.4
7
23.02
01:00
Weather
-0°
1.6
7
23.02
02:00
Weather
-1°
1.4
8
23.02
03:00
Weather
-1°
2.1
8
23.02
04:00
Weather
-1°
1.3
8
23.02
05:00
Weather
-1°
0.8
9
23.02
06:00
Weather
-1°
1.1
8
23.02
07:00
Weather
-1°
1.4
8
23.02
08:00
Weather
-1°
1.6
8
23.02
09:00
Weather
-1°
1.4
8
23.02
10:00
Weather
-2°
1.1
8
23.02
11:00
Weather
-2°
1
7
23.02
12:00
Weather
-2°
0.7
7
23.02
13:00
Weather
-2°
0.5
7
23.02
14:00
Weather
-1°
0.4
7
23.02
15:00
Weather
-1°
0.3
7
23.02
16:00
Weather
-0°
0.4
8
23.02
17:00
Weather
0.5
7
23.02
18:00
Weather
0.3
7
23.02
19:00
Weather
0.2
6
23.02
20:00
Weather
0.1
6

Temperature

2°C
-2°C
21:00
1°C
22:00
1°C
23:00
0°C
00:00
0°C
01:00
-0°C
02:00
-1°C
03:00
-1°C
04:00
-1°C
05:00
-1°C
06:00
-1°C
07:00
-1°C
08:00
-1°C
09:00
-1°C
10:00
-2°C
11:00
-2°C
12:00
-2°C
13:00
-2°C
14:00
-1°C
15:00
-1°C
16:00
-0°C
17:00
0°C
18:00
1°C
19:00
1°C
20:00
2°C
21:00 08:00 20:00

Precipitation

2.1mm
0mm
21:00
1.6mm
22:00
1.4mm
23:00
1.2mm
00:00
1.4mm
01:00
1.6mm
02:00
1.4mm
03:00
2.1mm
04:00
1.3mm
05:00
0.8mm
06:00
1.1mm
07:00
1.4mm
08:00
1.6mm
09:00
1.4mm
10:00
1.1mm
11:00
1mm
12:00
0.7mm
13:00
0.5mm
14:00
0.4mm
15:00
0.3mm
16:00
0.4mm
17:00
0.5mm
18:00
0.3mm
19:00
0.2mm
20:00
0.1mm
21:00 08:00 20:00

Wind

8.5m/s
0m/s
21:00
7.8 m/s
22:00
7.2 m/s
23:00
7.3 m/s
00:00
6.9 m/s
01:00
7.3 m/s
02:00
7.7 m/s
03:00
7.9 m/s
04:00
8.4 m/s
05:00
8.5 m/s
06:00
8.2 m/s
07:00
8.3 m/s
08:00
8.3 m/s
09:00
8.3 m/s
10:00
8 m/s
11:00
7.4 m/s
12:00
7 m/s
13:00
7.1 m/s
14:00
7.3 m/s
15:00
7.4 m/s
16:00
7.5 m/s
17:00
7.1 m/s
18:00
6.8 m/s
19:00
6.2 m/s
20:00
5.9 m/s
21:00 08:00 20:00

Radiation

No sensor within 100 km.

We display the worst measurements from all stations in the area. This approach provides a more cautious assessment of air quality, accounting for local pollution sources.

AQI
83.1 km
33
11%

Measurement time: 2026-02-22 21:00

Calculated from PM2.5/PM10

O3
84.4 km
71.64 µg/m3
44.8%

Measurement time: 2026-02-22 21:59

source: OpenWeatherMap

PM2.5
83.1 km
8 µg/m3
9.5%

Measurement time: 2026-02-22 21:00

source: Aqicn

NO2
84.4 km
7.9 µg/m3
4%

Measurement time: 2026-02-22 21:59

source: OpenWeatherMap

PM10
84.4 km
4.67 µg/m3
3.3%

Measurement time: 2026-02-22 21:59

source: OpenWeatherMap

CO
84.4 km
0.23037 mg/m3
1.6%

Measurement time: 2026-02-22 21:59

source: OpenWeatherMap

SO2
84.4 km
0.79 µg/m3
0.2%

Measurement time: 2026-02-22 21:59

source: OpenWeatherMap

Info


Region: New Jersey
Latitude: 39.99289
Longitude: -74.78766


Solar Energy

Very low
29 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Mount Holly

About Air Quality in Mount Holly

Air quality in Mount Holly is monitored in real-time by sensors and measurement stations. On this page you'll find current data on major air pollutants including particulate matter PM2.5 and PM10, nitrogen dioxide (NO2), ozone (O3), and radiation levels.

Common Pollutants in Mount Holly

  • PM2.5 - fine particulate matter up to 2.5 micrometers, particularly harmful to health
  • PM10 - particulate matter up to 10 micrometers from traffic and industry
  • NO2 - nitrogen dioxide mainly emitted by vehicles
  • O3 - tropospheric ozone formed in photochemical reactions

When is Air Quality Best in Mount Holly?

Generally, the best air quality occurs:

  • Early morning (5:00-7:00 AM) before rush hour traffic
  • After rainfall which cleanses the atmosphere
  • During strong winds that disperse pollutants
  • In summer months when heating systems are less used

Tips for Runners in Mount Holly

If you're planning outdoor activities in Mount Holly, always check the current AQI value. When AQI exceeds 100, consider moving your workout indoors or shortening the distance. People with respiratory issues, children, and seniors should be especially cautious during elevated pollution levels. Choose routes away from busy streets and industrial areas.