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Patarrá (San José) (CR)

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
19°C
Light rain
Humidity
75.3%
Wind
7 m/s
Pressure
1017.6 hPa
Direction
82°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
14° / 19°
Precip.
5.2mm
Max wind
7.7 m/s

Hourly Forecast

01.02
Now
Weather
19°
0.2
7
01.02
21:00
Weather
19°
0.3
7
01.02
22:00
Weather
18°
0.5
6
01.02
23:00
Weather
17°
0.5
7
02.02
00:00
Weather
16°
0.5
7
02.02
01:00
Weather
16°
0.5
8
02.02
02:00
Weather
16°
0.5
8
02.02
03:00
Weather
16°
0.4
8
02.02
04:00
Weather
16°
0.4
8
02.02
05:00
Weather
16°
0.3
8
02.02
06:00
Weather
16°
0.3
7
02.02
07:00
Weather
15°
0.2
7
02.02
08:00
Weather
15°
0.2
7
02.02
09:00
Weather
14°
0.2
7
02.02
10:00
Weather
14°
0.1
7
02.02
11:00
Weather
14°
0.1
7
02.02
12:00
Weather
14°
6
02.02
13:00
Weather
14°
6
02.02
14:00
Weather
16°
6
02.02
15:00
Weather
16°
7
02.02
16:00
Weather
17°
7
02.02
17:00
Weather
18°
7
02.02
18:00
Weather
19°
7
02.02
19:00
Weather
19°
7

Temperature

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

Precipitation

0.5mm
0mm
20:00
0.2mm
21:00
0.3mm
22:00
0.5mm
23:00
0.5mm
00:00
0.5mm
01:00
0.5mm
02:00
0.5mm
03:00
0.4mm
04:00
0.4mm
05:00
0.3mm
06:00
0.3mm
07:00
0.2mm
08:00
0.2mm
09:00
0.2mm
10:00
0.1mm
11:00
0.1mm
20:00 07:00 19:00

Wind

7.7m/s
0m/s
20:00
6.6 m/s
21:00
6.9 m/s
22:00
6.2 m/s
23:00
6.9 m/s
00:00
7.1 m/s
01:00
7.6 m/s
02:00
7.7 m/s
03:00
7.7 m/s
04:00
7.6 m/s
05:00
7.7 m/s
06:00
6.9 m/s
07:00
7.2 m/s
08:00
7.4 m/s
09:00
6.7 m/s
10:00
6.5 m/s
11:00
6.5 m/s
12:00
6 m/s
13:00
6.1 m/s
14:00
6.2 m/s
15:00
6.8 m/s
16:00
6.8 m/s
17:00
7 m/s
18:00
7.1 m/s
19:00
7 m/s
20:00 07:00 19:00

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
7.4 km
23
7.7%

Measurement time: 2026-02-01 19:03

Calculated from PM2.5/PM10

O3
7.4 km
76.1 µg/m3
47.6%

Measurement time: 2026-02-01 19:03

source: OpenWeatherMap

PM2.5
7.4 km
5.53 µg/m3
6.6%

Measurement time: 2026-02-01 19:03

source: OpenWeatherMap

PM10
7.4 km
7.03 µg/m3
5%

Measurement time: 2026-02-01 19:03

source: OpenWeatherMap

CO
7.4 km
0.11694 mg/m3
0.8%

Measurement time: 2026-02-01 19:03

source: OpenWeatherMap

SO2
7.4 km
1.4 µg/m3
0.4%

Measurement time: 2026-02-01 19:03

source: OpenWeatherMap

NO2
7.4 km
0.26 µg/m3
0.1%

Measurement time: 2026-02-01 19:03

source: OpenWeatherMap

About Air Quality in Patarrá

Air quality in Patarrá 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 Patarrá

  • 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 Patarrá?

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 Patarrá

If you're planning outdoor activities in Patarrá, 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.