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Air quality in San Marcos

Air quality index (AQI) and PM2.5 air pollution in San Marcos

Last update at 14:00, Jun 1 (local time)

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#	city	US AQI
1	Boerne, Texas	87
2	San Antonio, Texas	86
3	New Braunfels, Texas	85
4	San Bernardino, California	84
5	Baytown, Texas	81
6	Fontana, California	80
7	Rancho Cucamonga, California	79
8	San Fernando, California	76
9	Pahrump, Nevada	75
10	Glendora, California	74

14:00, Jun 1 (local time)

#	station	US AQI
1	Tucana Drive	36
2	East Barham Drive	9

14:00, Jun 1 (local time)

US AQI

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	18 US AQI	PM2.5

Pollutants		Concentration
PM2.5		3.3µg/m³

✓

PM2.5 concentration in San Marcos air currently meets the WHO annual air quality guideline value

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Day	Pollution level	Temperature	Wind
Wednesday, May 29	Good 34 AQI US	71.6° 53.6°	8.9 mp/h
Thursday, May 30	Good 39 AQI US	69.8° 53.6°	8.9 mp/h
Friday, May 31	Good 29 AQI US	68° 55.4°	11.2 mp/h
Today	Good 18 AQI US	68° 55.4°	11.2 mp/h
Sunday, Jun 2	Moderate 59 AQI US	69.8° 55.4°	11.2 mp/h
Monday, Jun 3	Moderate 56 AQI US	71.6° 55.4°	8.9 mp/h
Tuesday, Jun 4	Moderate 59 AQI US	73.4° 57.2°	8.9 mp/h
Wednesday, Jun 5	Moderate 70 AQI US	73.4° 59°	8.9 mp/h
Thursday, Jun 6	Moderate 75 AQI US	75.2° 59°	8.9 mp/h
Friday, Jun 7	Moderate 75 AQI US	73.4° 59°	11.2 mp/h