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San Nicolás de los Arroyos (Buenos Aires) (AR)

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

Partly cloudy
22°C
Partly cloudy
Humidity
82.2%
Wind
2 m/s
Pressure
1007.3 hPa
Direction
77°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
21° / 33°
Precip.
0mm
Max wind
3 m/s

Hourly Forecast

02.02
Now
Weather
22°
02.02
07:00
Weather
21°
02.02
08:00
Weather
21°
02.02
09:00
Weather
21°
02.02
10:00
Weather
21°
02.02
11:00
Weather
23°
02.02
12:00
Weather
25°
02.02
13:00
Weather
27°
02.02
14:00
Weather
29°
02.02
15:00
Weather
30°
02.02
16:00
Weather
31°
02.02
17:00
Weather
32°
02.02
18:00
Weather
33°
02.02
19:00
Weather
33°
02.02
20:00
Weather
33°
02.02
21:00
Weather
32°
02.02
22:00
Weather
32°
02.02
23:00
Weather
29°
03.02
00:00
Weather
27°
03.02
01:00
Weather
26°
03.02
02:00
Weather
26°
03.02
03:00
Weather
25°
03.02
04:00
Weather
25°
03.02
05:00
Weather
24°

Temperature

33°C
21°C
06:00
22°C
07:00
21°C
08:00
21°C
09:00
21°C
10:00
21°C
11:00
23°C
12:00
25°C
13:00
27°C
14:00
29°C
15:00
30°C
16:00
31°C
17:00
32°C
18:00
33°C
19:00
33°C
20:00
33°C
21:00
32°C
22:00
32°C
23:00
29°C
00:00
27°C
01:00
26°C
02:00
26°C
03:00
25°C
04:00
25°C
05:00
24°C
06:00 17:00 05:00

Precipitation

0mm
0mm
06:00 17:00 05:00

Wind

3m/s
0m/s
06:00
1.8 m/s
07:00
1.5 m/s
08:00
1.8 m/s
09:00
1.8 m/s
10:00
1.7 m/s
11:00
2.2 m/s
12:00
1.8 m/s
13:00
2 m/s
14:00
2.4 m/s
15:00
2.7 m/s
16:00
2.6 m/s
17:00
2.6 m/s
18:00
2.9 m/s
19:00
3 m/s
20:00
3 m/s
21:00
2.1 m/s
22:00
1.4 m/s
23:00
1.6 m/s
00:00
1.9 m/s
01:00
2.5 m/s
02:00
1.9 m/s
03:00
2 m/s
04:00
2.1 m/s
05:00
2.2 m/s
06:00 17:00 05:00

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
17.1 km
33
11%

Measurement time: 2026-02-02 06:51

Calculated from PM2.5/PM10

O3
17.1 km
29.51 µg/m3
18.4%

Measurement time: 2026-02-02 06:51

source: OpenWeatherMap

PM2.5
17.1 km
8.13 µg/m3
9.7%

Measurement time: 2026-02-02 06:51

source: OpenWeatherMap

PM10
17.1 km
9.79 µg/m3
7%

Measurement time: 2026-02-02 06:51

source: OpenWeatherMap

NO2
17.1 km
3.27 µg/m3
1.6%

Measurement time: 2026-02-02 06:51

source: OpenWeatherMap

CO
17.1 km
0.21685 mg/m3
1.5%

Measurement time: 2026-02-02 06:51

source: OpenWeatherMap

SO2
17.1 km
0.41 µg/m3
0.1%

Measurement time: 2026-02-02 06:51

source: OpenWeatherMap

Info


Country: Argentina
Latitude: -33.33425
Longitude: -60.2108

About Air Quality in San Nicolás de los Arroyos

Air quality in San Nicolás de los Arroyos 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 San Nicolás de los Arroyos

  • 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 San Nicolás de los Arroyos?

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 San Nicolás de los Arroyos

If you're planning outdoor activities in San Nicolás de los Arroyos, 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.