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Air quality in Piedras Negras

Air quality index (AQI) and PM2.5 air pollution in Piedras Negras

Last update at 01:00, Apr 27 (local time)

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#	city	US AQI
1	San Nicolas de los Garza, Nuevo Leon	91
2	Santa Catarina, Nuevo Leon	91
3	San Pedro Garza Garcia, Nuevo Leon	83
4	Mexico City, Mexico City	82
5	Cadereyta Jimenez, Nuevo Leon	81
6	General Escobedo, Nuevo Leon	80
7	Monterrey, Nuevo Leon	79
8	Irapuato, Guanajuato	78
9	Celaya, Guanajuato	74
10	Leon, Guanajuato	72

01:00, Apr 27 (local time)

US AQI

50*

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	50* US AQI	PM2.5

Pollutants		Concentration
PM2.5		12*µg/m³

PM2.5

x2.4

PM2.5 concentration in Piedras Negras is currently 2.4 times the WHO annual air quality guideline value

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Day	Pollution level	Weather	Temperature	Wind
Today	Good 50 AQI US		96.8° 73.4°	22.4 mp/h
Sunday, Apr 28	Moderate 53 AQI US	70%	91.4° 71.6°	24.6 mp/h
Monday, Apr 29	Good 48 AQI US	20%	96.8° 69.8°	20.1 mp/h
Tuesday, Apr 30	Moderate 52 AQI US	100%	93.2° 71.6°	17.9 mp/h
Wednesday, May 1	Moderate 69 AQI US	100%	87.8° 75.2°	17.9 mp/h
Thursday, May 2	Moderate 75 AQI US	100%	87.8° 71.6°	11.2 mp/h
Friday, May 3	Moderate 69 AQI US	90%	89.6° 69.8°	11.2 mp/h