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Monroeville (Pennsylvania) (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

Leichter Regen
21°C
Leichter Regen
Humidity
56%
Wind
6 m/s
Pressure
1010.7 hPa
Direction
220°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
6° / 21°
Precip.
10mm
Max wind
7.6 m/s

Hourly Forecast

05.04
Now
Weather
21°
0.1
6
05.04
04:00
Weather
20°
0.4
05.04
05:00
Weather
18°
0.6
6
05.04
06:00
Weather
17°
3.2
6
05.04
07:00
Weather
16°
2.6
7
05.04
08:00
Weather
11°
2
6
05.04
09:00
Weather
11°
0.5
05.04
10:00
Weather
10°
0.5
05.04
11:00
Weather
0.1
05.04
12:00
Weather
05.04
13:00
Weather
05.04
14:00
Weather
5
05.04
15:00
Weather
10°
6
05.04
16:00
Weather
11°
6
05.04
17:00
Weather
13°
7
05.04
18:00
Weather
13°
7
05.04
19:00
Weather
13°
8
05.04
20:00
Weather
13°
8
05.04
21:00
Weather
12°
7
05.04
22:00
Weather
11°
7
05.04
23:00
Weather
7
06.04
00:00
Weather
6
06.04
01:00
Weather
7
06.04
02:00
Weather
6

Temperature

21°C
6°C
03:00
21°C
04:00
20°C
05:00
18°C
06:00
17°C
07:00
16°C
08:00
11°C
09:00
11°C
10:00
10°C
11:00
9°C
12:00
9°C
13:00
9°C
14:00
9°C
15:00
10°C
16:00
11°C
17:00
13°C
18:00
13°C
19:00
13°C
20:00
13°C
21:00
12°C
22:00
11°C
23:00
9°C
00:00
8°C
01:00
7°C
02:00
6°C
03:00 14:00 02:00

Precipitation

3.2mm
0mm
03:00
0.1mm
04:00
0.4mm
05:00
0.6mm
06:00
3.2mm
07:00
2.6mm
08:00
2mm
09:00
0.5mm
10:00
0.5mm
11:00
0.1mm
03:00 14:00 02:00

Wind

7.6m/s
0m/s
03:00
5.5 m/s
04:00
4.8 m/s
05:00
5.6 m/s
06:00
6.1 m/s
07:00
6.7 m/s
08:00
5.6 m/s
09:00
4.5 m/s
10:00
4.4 m/s
11:00
4.9 m/s
12:00
4.9 m/s
13:00
4.8 m/s
14:00
5.2 m/s
15:00
5.7 m/s
16:00
6.4 m/s
17:00
7 m/s
18:00
7.3 m/s
19:00
7.6 m/s
20:00
7.6 m/s
21:00
7.3 m/s
22:00
7.2 m/s
23:00
7.1 m/s
00:00
6.1 m/s
01:00
6.6 m/s
02:00
5.8 m/s
03:00 14:00 02:00

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
50.2 km
3
1%

Measurement time: 2026-04-05 03:14

Calculated from PM2.5/PM10

O3
50.2 km
84.91 µg/m3
53.1%

Measurement time: 2026-04-05 03:14

source: OpenWeatherMap

PM2.5
50.2 km
0.76 µg/m3
0.9%

Measurement time: 2026-04-05 03:14

source: OpenWeatherMap

CO
50.2 km
0.11352 mg/m3
0.8%

Measurement time: 2026-04-05 03:14

source: OpenWeatherMap

NO2
50.2 km
1.3 µg/m3
0.7%

Measurement time: 2026-04-05 03:14

source: OpenWeatherMap

PM10
50.2 km
0.99 µg/m3
0.7%

Measurement time: 2026-04-05 03:14

source: OpenWeatherMap

SO2
50.2 km
0.37 µg/m3
0.1%

Measurement time: 2026-04-05 03:14

source: OpenWeatherMap

Info

About Air Quality in Monroeville

Air quality in Monroeville 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 Monroeville

  • 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 Monroeville?

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 Monroeville

If you're planning outdoor activities in Monroeville, 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.