Is time to run? ⚠️☢️☣️

Toa Alta (Toa Alta) (PR)

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

Light rain showers
23°C
Light rain showers
Humidity
77.3%
Wind
6 m/s
Pressure
1015.8 hPa
Direction
72°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
22° / 27°
Precip.
3mm
Max wind
7.4 m/s

Hourly Forecast

30.03
Now
Weather
23°
0.2
6
31.03
00:00
Weather
23°
0.2
6
31.03
01:00
Weather
23°
0.1
6
31.03
02:00
Weather
22°
0.2
6
31.03
03:00
Weather
22°
0.2
7
31.03
04:00
Weather
22°
0.2
7
31.03
05:00
Weather
22°
0.1
7
31.03
06:00
Weather
22°
0.1
7
31.03
07:00
Weather
22°
7
31.03
08:00
Weather
22°
7
31.03
09:00
Weather
22°
7
31.03
10:00
Weather
22°
6
31.03
11:00
Weather
23°
0.1
6
31.03
12:00
Weather
24°
0.1
6
31.03
13:00
Weather
25°
7
31.03
14:00
Weather
27°
0.3
7
31.03
15:00
Weather
27°
0.5
7
31.03
16:00
Weather
27°
0.4
7
31.03
17:00
Weather
27°
0.2
7
31.03
18:00
Weather
27°
0.1
7
31.03
19:00
Weather
27°
7
31.03
20:00
Weather
26°
7
31.03
21:00
Weather
26°
7
31.03
22:00
Weather
25°
7

Temperature

27°C
22°C
23:00
23°C
00:00
23°C
01:00
23°C
02:00
22°C
03:00
22°C
04:00
22°C
05:00
22°C
06:00
22°C
07:00
22°C
08:00
22°C
09:00
22°C
10:00
22°C
11:00
23°C
12:00
24°C
13:00
25°C
14:00
27°C
15:00
27°C
16:00
27°C
17:00
27°C
18:00
27°C
19:00
27°C
20:00
26°C
21:00
26°C
22:00
25°C
23:00 10:00 22:00

Precipitation

0.5mm
0mm
23:00
0.2mm
00:00
0.2mm
01:00
0.1mm
02:00
0.2mm
03:00
0.2mm
04:00
0.2mm
05:00
0.1mm
06:00
0.1mm
11:00
0.1mm
12:00
0.1mm
14:00
0.3mm
15:00
0.5mm
16:00
0.4mm
17:00
0.2mm
18:00
0.1mm
23:00 10:00 22:00

Wind

7.4m/s
0m/s
23:00
6.3 m/s
00:00
5.9 m/s
01:00
6.3 m/s
02:00
6.1 m/s
03:00
7.4 m/s
04:00
7.3 m/s
05:00
7.2 m/s
06:00
6.8 m/s
07:00
6.6 m/s
08:00
6.6 m/s
09:00
6.5 m/s
10:00
6.4 m/s
11:00
6.2 m/s
12:00
6.4 m/s
13:00
6.6 m/s
14:00
6.9 m/s
15:00
7 m/s
16:00
6.7 m/s
17:00
6.8 m/s
18:00
6.8 m/s
19:00
6.9 m/s
20:00
6.7 m/s
21:00
6.5 m/s
22:00
6.5 m/s
23:00 10:00 22:00

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
48 km
4
1.3%

Measurement time: 2026-03-31 00:48

Calculated from PM2.5/PM10

O3
48 km
58.14 µg/m3
36.3%

Measurement time: 2026-03-31 00:48

source: OpenWeatherMap

PM10
48 km
5.35 µg/m3
3.8%

Measurement time: 2026-03-31 00:48

source: OpenWeatherMap

PM2.5
48 km
1.11 µg/m3
1.3%

Measurement time: 2026-03-31 00:48

source: OpenWeatherMap

CO
48 km
0.10011 mg/m3
0.7%

Measurement time: 2026-03-31 00:48

source: OpenWeatherMap

NO2
48 km
0.11 µg/m3
0.1%

Measurement time: 2026-03-31 00:48

source: OpenWeatherMap

SO2
48 km
0.12 µg/m3
0%

Measurement time: 2026-03-31 00:48

source: OpenWeatherMap

Info

About Air Quality in Toa Alta

Air quality in Toa Alta 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 Toa Alta

  • 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 Toa Alta?

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 Toa Alta

If you're planning outdoor activities in Toa Alta, 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.