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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 | High | |
 | Tree pollen | Low | |
 | Grass pollen | High | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Longmont?
| Weather | Clear sky |
| Temperature | 62.6°F |
| Humidity | 47% |
| Wind | 8.1 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Mecca, California | 88 |
| 2 | Mission, Texas | 86 |
| 3 | Campo, California | 84 |
| 4 | Corpus Christi, Texas | 83 |
| 5 | Detroit, Michigan | 81 |
| 6 | Lubbock, Texas | 78 |
| 7 | Pahrump, Nevada | 75 |
| 8 | Michigan City, Indiana | 69 |
| 9 | Baytown, Texas | 66 |
| 10 | Muskegon, Michigan | 64 |
(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 | Snead Court | 33 |
| 2 | Clover Basin Consulting | 27 |
| 3 | Bluebird Avenue | 26 |
| 4 | Caleta Trail | 26 |
| 5 | South Bross Street | 26 |
| 6 | Ute Creek Drive | 26 |
| 7 | Willis Heights | 26 |
| 8 | Hallett Peak | 25 |
| 9 | Longmont Station | 23 |
| 10 | Mallard Place | 22 |
(local time)
SEE WORLD AQI RANKING
US AQI
24
live AQI index
Good
Overview
What is the current air quality in Longmont?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 24 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.4µg/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 |
|---|---|---|---|---|
| Friday, May 31 | Good 31 AQI US |  | 80.6° 51.8° |  11.2 mp/h |
| Saturday, Jun 1 | Good 24 AQI US |  | 84.2° 51.8° | 13.4 mp/h |
| Sunday, Jun 2 | Good 24 AQI US |  | 84.2° 55.4° | 13.4 mp/h |
| Today | Good 24 AQI US | | 84.2° 55.4° | 13.4 mp/h |
| Tuesday, Jun 4 | Good 22 AQI US | | 82.4° 59° | 17.9 mp/h |
| Wednesday, Jun 5 | Good 15 AQI US | | 89.6° 57.2° | 20.1 mp/h |
| Thursday, Jun 6 | Good 14 AQI US | | 87.8° 51.8° | 8.9 mp/h |
| Friday, Jun 7 | Good 19 AQI US | 60% | 93.2° 60.8° | 8.9 mp/h |
| Saturday, Jun 8 | Moderate 64 AQI US  | 40% | 91.4° 59° | 8.9 mp/h |
| Sunday, Jun 9 | Moderate 62 AQI US | 100% | 87.8° 57.2° | 13.4 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
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 11
- Eagle Court 15
- Summerlin Lane 18
- Hawthorne Place 19
- Mallard Place 22
- Preston Drive 22
- Rozena Drive 22
- The Shores 22
- Longmont Station 23
- Hallett Peak 25
- Bluebird Avenue 26
- Caleta Trail 26
- South Bross Street 26
- Ute Creek Drive 26
- Willis Heights 26
- Clover Basin Consulting 27
- Snead Court 33
AQI US, Metric