Air Quality in Piedras Negras, Mexico
Windy
36.2°C · 35.0% humidity
36.2°
Feels 36.2°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Piedras Negras's air quality — share it
AQI Forecast
Calibrated
29
9am
29
31
23
12pm
25
25
26
3pm
27
27
28
6pm
28
28
29
9pm
29
29
29
12am
29
29
29
3am
29
29
29
6am
29
31
Station readings
10h ago
AQI 30
PM2.5 7.2 µg/m³ · 10h ago
CAMS model
adj +4
25
25
27
27
27
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
27
Air Quality Index Trend
3h · 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.
35.0%
Humidity
92.0 km/h
Wind SSE
1013.3 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.5 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Piedras Negras?
Temperature & Precipitation
PM2.5 Trend
3h · 1 stationPM2.55.5 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX24.9
Extreme
Station readings (1 station within 25 km)
5.5
Median
5.5
Average
5.5
Low
5.5
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +0.8
What is the 7-day forecast for Piedras Negras?
09-05
38.5° 23.4°
09-06
38.4° 23.3°
0.25 mm
09-07
39.8° 25.0°
09-08
39.1° 24.6°
1.75 mm
09-09
40.1° 25.7°
09-10
35.0° 21.8°
3.69 mm
09-11
38.2° 26.1°
Both models agree
Avg diff: 2.5°C
Where are air quality stations 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 2026-09-05T17:21 UTC.