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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

Rain
23°C
Rain
Humidity
91.5%
Wind
10 m/s
Pressure
1019.3 hPa
Direction
53°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
22° / 26°
Precip.
8.7mm
Max wind
10 m/s

Hourly Forecast

04.02
Now
Weather
23°
0.4
10
04.02
05:00
Weather
23°
0.3
10
04.02
06:00
Weather
23°
0.7
10
04.02
07:00
Weather
23°
0.9
10
04.02
08:00
Weather
22°
0.8
10
04.02
09:00
Weather
23°
0.3
10
04.02
10:00
Weather
23°
9
04.02
11:00
Weather
23°
0.6
9
04.02
12:00
Weather
23°
0.6
10
04.02
13:00
Weather
23°
0.6
9
04.02
14:00
Weather
24°
0.3
9
04.02
15:00
Weather
25°
1.6
8
04.02
16:00
Weather
24°
0.4
8
04.02
17:00
Weather
25°
0.6
8
04.02
18:00
Weather
26°
0.5
8
04.02
19:00
Weather
25°
0.1
8
04.02
20:00
Weather
25°
9
04.02
21:00
Weather
25°
8
04.02
22:00
Weather
25°
8
04.02
23:00
Weather
24°
8
05.02
00:00
Weather
23°
8
05.02
01:00
Weather
23°
8
05.02
02:00
Weather
23°
8
05.02
03:00
Weather
23°
8

Temperature

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

Precipitation

1.6mm
0mm
04:00
0.4mm
05:00
0.3mm
06:00
0.7mm
07:00
0.9mm
08:00
0.8mm
09:00
0.3mm
11:00
0.6mm
12:00
0.6mm
13:00
0.6mm
14:00
0.3mm
15:00
1.6mm
16:00
0.4mm
17:00
0.6mm
18:00
0.5mm
19:00
0.1mm
04:00 15:00 03:00

Wind

10m/s
0m/s
04:00
9.7 m/s
05:00
10 m/s
06:00
9.9 m/s
07:00
9.8 m/s
08:00
9.9 m/s
09:00
9.5 m/s
10:00
9.1 m/s
11:00
9.1 m/s
12:00
9.5 m/s
13:00
9.1 m/s
14:00
8.7 m/s
15:00
7.6 m/s
16:00
7.7 m/s
17:00
8.1 m/s
18:00
8 m/s
19:00
8.3 m/s
20:00
8.5 m/s
21:00
8.1 m/s
22:00
8 m/s
23:00
7.8 m/s
00:00
7.8 m/s
01:00
8.2 m/s
02:00
8 m/s
03:00
7.9 m/s
04:00 15:00 03:00

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
89.9 km
15
5%

Measurement time: 2026-02-04 04:33

Calculated from PM2.5/PM10

O3
89.9 km
94.34 µg/m3
59%

Measurement time: 2026-02-04 04:33

source: OpenWeatherMap

PM10
89.9 km
8.34 µg/m3
6%

Measurement time: 2026-02-04 04:33

source: OpenWeatherMap

PM2.5
89.9 km
3.64 µg/m3
4.3%

Measurement time: 2026-02-04 04:33

source: OpenWeatherMap

CO
89.9 km
0.13107 mg/m3
0.9%

Measurement time: 2026-02-04 04:33

source: OpenWeatherMap

NO2
41.3 km
0.29 µg/m3
0.1%

Measurement time: 2026-02-04 03:42

source: OpenWeatherMap

SO2
41.3 km
0.16 µg/m3
0%

Measurement time: 2026-02-04 03:42

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.