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Chalchuapa (Santa Ana) (SV)

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

Clear sky
36°C
Clear sky
Humidity
26.1%
Wind
5 m/s
Pressure
1008.7 hPa
Direction
22°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
21° / 36°
Precip.
0mm
Max wind
6 m/s

Hourly Forecast

09.04
Now
Weather
36°
5
09.04
21:00
Weather
35°
5
09.04
22:00
Weather
34°
6
09.04
23:00
Weather
33°
6
10.04
00:00
Weather
29°
5
10.04
01:00
Weather
26°
10.04
02:00
Weather
25°
10.04
03:00
Weather
25°
10.04
04:00
Weather
25°
10.04
05:00
Weather
24°
10.04
06:00
Weather
24°
10.04
07:00
Weather
23°
10.04
08:00
Weather
23°
10.04
09:00
Weather
22°
10.04
10:00
Weather
22°
10.04
11:00
Weather
22°
10.04
12:00
Weather
21°
10.04
13:00
Weather
24°
10.04
14:00
Weather
26°
10.04
15:00
Weather
29°
5
10.04
16:00
Weather
31°
6
10.04
17:00
Weather
33°
10.04
18:00
Weather
34°
10.04
19:00
Weather
35°

Temperature

36°C
21°C
20:00
36°C
21:00
35°C
22:00
34°C
23:00
33°C
00:00
29°C
01:00
26°C
02:00
25°C
03:00
25°C
04:00
25°C
05:00
24°C
06:00
24°C
07:00
23°C
08:00
23°C
09:00
22°C
10:00
22°C
11:00
22°C
12:00
21°C
13:00
24°C
14:00
26°C
15:00
29°C
16:00
31°C
17:00
33°C
18:00
34°C
19:00
35°C
20:00 07:00 19:00

Precipitation

0mm
0mm
20:00 07:00 19:00

Wind

6m/s
0m/s
20:00
5.1 m/s
21:00
5.2 m/s
22:00
5.6 m/s
23:00
6 m/s
00:00
5.4 m/s
01:00
3.7 m/s
02:00
3.3 m/s
03:00
3.6 m/s
04:00
4.1 m/s
05:00
3.7 m/s
06:00
4.2 m/s
07:00
4.1 m/s
08:00
3.9 m/s
09:00
3.6 m/s
10:00
3.2 m/s
11:00
2.9 m/s
12:00
3 m/s
13:00
3.5 m/s
14:00
4.5 m/s
15:00
5.4 m/s
16:00
5.5 m/s
17:00
4.9 m/s
18:00
4.2 m/s
19:00
4.2 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
86.6 km
99
33%

Measurement time: 2026-04-09 20:47

Calculated from PM2.5/PM10

O3
86.6 km
94.77 µg/m3
59.2%

Measurement time: 2026-04-09 20:47

source: OpenWeatherMap

PM2.5
86.6 km
35.1 µg/m3
41.8%

Measurement time: 2026-04-09 20:47

source: OpenWeatherMap

PM10
86.6 km
37.63 µg/m3
26.9%

Measurement time: 2026-04-09 20:47

source: OpenWeatherMap

CO
86.6 km
0.2217 mg/m3
1.6%

Measurement time: 2026-04-09 20:47

source: OpenWeatherMap

SO2
86.6 km
5.48 µg/m3
1.6%

Measurement time: 2026-04-09 20:47

source: OpenWeatherMap

NO2
86.6 km
0.74 µg/m3
0.4%

Measurement time: 2026-04-09 20:47

source: OpenWeatherMap

Info


Country: El Salvador
Region: Santa Ana
Latitude: 13.98667
Longitude: -89.68111


Solar Energy

Moderate
390.6 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Chalchuapa

About Air Quality in Chalchuapa

Air quality in Chalchuapa 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 Chalchuapa

  • 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 Chalchuapa?

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 Chalchuapa

If you're planning outdoor activities in Chalchuapa, 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.