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Yajalón (Chiapas) (MX)

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
12°C
Rain
Humidity
100%
Wind
1 m/s
Pressure
1021.8 hPa
Direction
28°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
11° / 15°
Precip.
8.8mm
Max wind
3.1 m/s

Hourly Forecast

20.03
Now
Weather
12°
0.6
20.03
07:00
Weather
11°
0.3
20.03
08:00
Weather
11°
0.2
20.03
09:00
Weather
11°
0.3
20.03
10:00
Weather
11°
0.4
20.03
11:00
Weather
11°
0.3
20.03
12:00
Weather
11°
0.4
20.03
13:00
Weather
11°
0.6
20.03
14:00
Weather
11°
0.7
20.03
15:00
Weather
11°
0.6
20.03
16:00
Weather
12°
0.5
20.03
17:00
Weather
13°
0.4
20.03
18:00
Weather
14°
0.5
20.03
19:00
Weather
15°
0.5
20.03
20:00
Weather
15°
0.6
20.03
21:00
Weather
15°
0.3
20.03
22:00
Weather
15°
0.1
20.03
23:00
Weather
14°
21.03
00:00
Weather
13°
0.1
21.03
01:00
Weather
12°
0.4
21.03
02:00
Weather
12°
0.3
21.03
03:00
Weather
12°
0.2
21.03
04:00
Weather
11°
0.2
21.03
05:00
Weather
11°
0.3

Temperature

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

Precipitation

0.7mm
0mm
06:00
0.6mm
07:00
0.3mm
08:00
0.2mm
09:00
0.3mm
10:00
0.4mm
11:00
0.3mm
12:00
0.4mm
13:00
0.6mm
14:00
0.7mm
15:00
0.6mm
16:00
0.5mm
17:00
0.4mm
18:00
0.5mm
19:00
0.5mm
20:00
0.6mm
21:00
0.3mm
22:00
0.1mm
00:00
0.1mm
01:00
0.4mm
02:00
0.3mm
03:00
0.2mm
04:00
0.2mm
05:00
0.3mm
06:00 17:00 05:00

Wind

3.1m/s
0m/s
06:00
1.3 m/s
07:00
1.5 m/s
08:00
1.5 m/s
09:00
1.2 m/s
10:00
1 m/s
11:00
1.1 m/s
12:00
1.3 m/s
13:00
1.4 m/s
14:00
1.5 m/s
15:00
1.4 m/s
16:00
1.4 m/s
17:00
1.5 m/s
18:00
1.7 m/s
19:00
2.2 m/s
20:00
2.6 m/s
21:00
2.9 m/s
22:00
3.1 m/s
23:00
3 m/s
00:00
2.5 m/s
01:00
1.7 m/s
02:00
1.2 m/s
03:00
1.2 m/s
04:00
1.3 m/s
05:00
1.3 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
75.3 km
9
3%

Measurement time: 2026-03-20 05:43

Calculated from PM2.5/PM10

O3
75.3 km
68.83 µg/m3
43%

Measurement time: 2026-03-20 05:43

source: OpenWeatherMap

PM2.5
75.3 km
2.36 µg/m3
2.8%

Measurement time: 2026-03-20 05:43

source: OpenWeatherMap

PM10
75.3 km
3.32 µg/m3
2.4%

Measurement time: 2026-03-20 05:43

source: OpenWeatherMap

CO
75.3 km
0.13427 mg/m3
1%

Measurement time: 2026-03-20 05:43

source: OpenWeatherMap

NO2
75.3 km
2.02 µg/m3
1%

Measurement time: 2026-03-20 05:43

source: OpenWeatherMap

SO2
75.3 km
1.01 µg/m3
0.3%

Measurement time: 2026-03-20 05:43

source: OpenWeatherMap

Info


Country: Mexico
Region: Chiapas
Latitude: 17.17276
Longitude: -92.33315


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About Air Quality in Yajalón

Air quality in Yajalón 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 Yajalón

  • 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 Yajalón?

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 Yajalón

If you're planning outdoor activities in Yajalón, 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.