Air Quality in Piedras Negras, Mexico
Partly Cloudy
27.9°C · 56.9% humidity
27.9°
Feels 31.0°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations
Nearby Monitoring Stations
Piedras Negras's air quality — share it
AQI Forecast
27
1pm
27
27
42
4pm
37
34
33
7pm
29
28
27
10pm
27
26
26
1am
26
25
25
4am
25
25
25
7am
25
25
27
10am
27
27
Air Quality Index Trend
39h · 1 stnPiedras Negras's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons. Current PM2.5 concentration in Piedras Negras is 2.0× the WHO annual guideline of 5 µg/m³.
56.9%
Humidity
23.7 km/h
Wind SSE
1007.1 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.96 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Piedras Negras?
Temperature & Precipitation
PM2.5 Trend
39h · 1 stationPM2.59.96 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX10.9
Extreme
Station readings (3 stations within 25 km)
9.96
Median
7.1
Average
2.6
Low
10.1
High
PM2.5 µg/m³ · Model: 7.1 · Bias: -2.9
What is the 7-day forecast for Piedras Negras?
05-28
35.9° 24.1°
05-29
30.6° 20.0°
2.81 mm
05-30
31.2° 24.3°
0.19 mm
05-31
33.0° 17.8°
06-01
35.6° 23.0°
06-02
35.0° 21.7°
06-03
33.1° 23.9°
Both models agree
Avg diff: 2.9°C
Where are air quality stations near Piedras Negras?
47
Centro de Rehabilitación DIF, Piedras Negras, Coahuila, Mexico
28
Centro de Rehabilitación DIF, Piedras Negras, Coahuila, Mexico
38
Eagle Pass, Laredo, Texas
57
Eagle Pass, Laredo, Texas
What cities are near Piedras Negras?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-28T21:36 UTC.