Worst air pollution Pharr, today and tomorrow
Today (16 July): Air quality in Pharr is very poor. AQI, PM2.5, and PM10 are very poor; O3 and PM1 are fair; NO2, SO2, CO, and HCHO are good. Pollution peaks around 12:00 AM (PM10: 100/100).
Tomorrow (17 July 2026): Air quality in Pharr is very poor. All pollutants stay as today. Pollution peaks around 12:00 AM (PM10: 100/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Pharr's air quality reflects the lower Rio Grande Valley at the Mexico border, with vehicle emissions from US-83 and the McAllen-Pharr international bridge corridor generating concentrated vehicle NOₓ from border crossing traffic. Gulf of Mexico southeasterly breezes provide reliable warm-season ventilation, while cross-border agricultural burning from Tamaulipas and the dense McAllen-Pharr-Hidalgo metropolitan traffic represent the primary regional air quality influences.
Today - 16 July | Pollution peaks at 00:00
AQI:
Very poor
100/100
PM2.5 (fine particles):
Very poor
83.9/100
PM10 (coarse particles):
Very poor
100/100
NO2 (nitrogen dioxide):
Good
0.4/100
O3 (ozone):
Fair
29.9/100
SO2 (sulfur dioxide):
Good
1.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.8/100
PM1 (ultrafine particles):
Fair
23.7/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 00:00
AQI:
Very poor
100/100
PM2.5 (fine particles):
Very poor
81.2/100
PM10 (coarse particles):
Very poor
100/100
NO2 (nitrogen dioxide):
Good
0.2/100
O3 (ozone):
Fair
28.2/100
SO2 (sulfur dioxide):
Good
1.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.8/100
PM1 (ultrafine particles):
Fair
22.9/100
Pollen forecast in Pharr
View pollen forecastFrequently Asked Questions
Is air quality bad in Pharr right now?
On 16 July 2026, overall air quality in Pharr is very poor. AQI is the main air quality indicator at 100/100. Pollution peaks around 12:00 AM (PM10: 100/100).
Will air quality be worse tomorrow in Pharr?
On 17 July 2026, air quality conditions in Pharr will be similar to today, with AQI forecast at very poor at 100/100. Pollution peaks around 12:00 AM (PM10: 100/100).
When is air pollution at its worst in Pharr?
Seasonal changes shape air quality across Pharr. In short, spring and autumn generally bring more moderate, cleaner conditions between the extremes of summer and winter cedar season, whereas long, hot summers bring the highest ozone risk, especially across the major urban corridors. Gulf Coast humidity and inland heat can each add their own seasonal pollution patterns.
Are air quality levels in Pharr based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app