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World USA Colorado Longmont

Air quality in Longmont

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

Last update at 23:00, Apr 25 (local time)

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Longmont Air Quality Map

Real-time Longmont air pollution map

AIR QUALITY DATA CONTRIBUTORS

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17 Contributors

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	Index	Low
	Tree pollen	Low
	Grass pollen	Low
	Weed pollen	None

Source: tomorrow.io

See pollen forecast

Weather

What is the current weather in Longmont?

Weather	Rain
Temperature	53.6°F
Humidity	61%
Wind	12.7 mp/h
Pressure	29.6 Hg

live aqi city ranking

Real-time USA city ranking

#	city	US AQI
1	Palm Desert, California	162
2	Fort Worth, Texas	72
3	Pahrump, Nevada	72
4	North Charleston, South Carolina	67
5	Lewisville, Texas	66
6	Savannah, Georgia	65
7	San Antonio, Texas	63
8	Midlothian, Texas	62
9	Boerne, Texas	59
10	Dallas, Texas	59

23:00, Apr 25 (local time)

SEE WORLD AQI RANKING

3D animated air pollution map

live Longmont aqi ranking

Real-time Longmont air quality ranking

#	station	US AQI
1	Ute Creek Drive	17
2	Bluebird Avenue	15
3	Snead Court	15
4	Willis Heights	15
5	Longmont Station	14
6	Caleta Trail	13
7	Eagle Court	12
8	Hallett Peak	12
9	Mallard Place	12
10	Hawthorne Place	11

23:00, Apr 25 (local time)

SEE WORLD AQI RANKING

US AQI

12

live AQI index
Good

Human face indicating AQI level

Overview

What is the current air quality in Longmont?

Air pollution level	Air quality index	Main pollutant
Good	12 US AQI	PM2.5

Pollutants		Concentration
PM2.5		2.9µg/m³

✓

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

Health Recommendations

What is the current air quality in Longmont?

	Enjoy outdoor activities
	Open your windows to bring clean, fresh air indoors GET A MONITOR

Forecast

Longmont air quality index (AQI) forecast

Day	Pollution level	Weather	Temperature	Wind
Tuesday, Apr 23	Good 24 AQI US		73.4° 41°	8.9 mp/h
Wednesday, Apr 24	Good 33 AQI US		68° 44.6°	17.9 mp/h
Today	Good 12 AQI US
Friday, Apr 26	Good 11 AQI US	100%	66.2° 44.6°	13.4 mp/h
Saturday, Apr 27	Good 9 AQI US	100%	46.4° 39.2°	15.7 mp/h
Sunday, Apr 28	Good 4 AQI US	100%	57.2° 39.2°	11.2 mp/h
Monday, Apr 29	Good 5 AQI US		64.4° 41°	13.4 mp/h
Tuesday, Apr 30	Good 7 AQI US		71.6° 42.8°	11.2 mp/h
Wednesday, May 1	Good 8 AQI US	70%	71.6° 44.6°	11.2 mp/h
Thursday, May 2	Good 9 AQI US	60%	59° 39.2°	8.9 mp/h

Interested in hourly forecast? Get the app

Longmont air quality data attribution

17Contributors

Government Contributor

Colorado Department of Public Health & Environment (CDPHE)
1 station

Educational Contributor

Anonymous
1 station

Individual Contributor

John Baum
1 station

14 Anonymous Contributors

14 Anonymous contributors
14 stations

4 Data sources

Data validated and calibrated by IQAir

Data validated and calibrated by IQAir

Where is the cleanest air quality in Longmont?

Longmont air pollution by location

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