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Air quality in Longmont
Air quality index (AQI) and PM2.5 air pollution in Longmont
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Longmont Air Quality Map
Real-time Longmont air pollution map
AIR QUALITY DATA CONTRIBUTORS
17 Contributors
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Pollen
What is the pollen count in Longmont today?
 | Index | Moderate | |
 | Tree pollen | Moderate | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Longmont?
| Weather | Clear sky |
| Temperature | 62.6°F |
| Humidity | 35% |
| Wind | 13.8 mp/h |
| Pressure | 29.5 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Boerne, Texas | 82 |
| 2 | San Antonio, Texas | 74 |
| 3 | Indio, California | 72 |
| 4 | New Braunfels, Texas | 70 |
| 5 | Georgetown, Texas | 68 |
| 6 | Round Rock, Texas | 65 |
| 7 | Fort Worth, Texas | 63 |
| 8 | Leander, Texas | 63 |
| 9 | Pahrump, Nevada | 61 |
| 10 | Aiken, South Carolina | 60 |
(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 | Bluebird Avenue | 23 |
| 2 | Snead Court | 20 |
| 3 | Preston Drive | 18 |
| 4 | South Bross Street | 18 |
| 5 | The Shores | 18 |
| 6 | Ute Creek Drive | 18 |
| 7 | Willis Heights | 18 |
| 8 | Caleta Trail | 16 |
| 9 | Hallett Peak | 16 |
| 10 | Hawthorne Place | 16 |
(local time)
SEE WORLD AQI RANKING
US AQI
16
live AQI index
Good
Overview
What is the current air quality in Longmont?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 16 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 3.9µg/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 |
| Thursday, Apr 25 | Good 11 AQI US | | 68° 44.6° | 15.7 mp/h |
| Today | Good 16 AQI US | 90% | 68° 44.6° | 15.7 mp/h |
| Saturday, Apr 27 | Good 13 AQI US | 100% | 44.6° 37.4° | 17.9 mp/h |
| Sunday, Apr 28 | Good 6 AQI US | 100% | 57.2° 37.4° | 8.9 mp/h |
| Monday, Apr 29 | Good 10 AQI US |  | 64.4° 41° | 8.9 mp/h |
| Tuesday, Apr 30 | Good 7 AQI US | | 71.6° 42.8° | 11.2 mp/h |
| Wednesday, May 1 | Good 8 AQI US | 50% | 62.6° 44.6° | 11.2 mp/h |
| Thursday, May 2 | Good 9 AQI US | 60% | 55.4° 35.6° | 6.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Longmont air quality data attribution
17Contributors
Government Contributor
- Anonymous
1 station
Educational Contributor
- John Baum
1 station
Individual Contributor
- 14 Anonymous contributors
14 stations
14 Anonymous Contributors
Data validated and calibrated by IQAirWhere is the cleanest air quality in Longmont?
- Rabbit Mountain Equestrian Center 4
- Rozena Drive 8
- Summerlin Lane 12
- Mallard Place 13
- Clover Basin Consulting 15
- Eagle Court 15
- Longmont Station 15
- Caleta Trail 16
- Hallett Peak 16
- Hawthorne Place 16
- Preston Drive 18
- South Bross Street 18
- The Shores 18
- Ute Creek Drive 18
- Willis Heights 18
- Snead Court 20
- Bluebird Avenue 23
AQI US, Metric