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

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
AD 728×90

Air Quality Index Trend

39h · 1 stn

Piedras 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
PM2.5
42
9.96 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

39h · 1 station
PM2.59.96 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX10.9
Extreme
AD 300×250
9.96
Median
7.1
Average
2.6
Low
10.1
High
PM2.5 µg/m³ · Model: 7.1 · Bias: -2.9
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°
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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.