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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 | Low | |
 | Tree pollen | Low | |
 | 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 | 51% |
| Wind | 3.4 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Mecca, California | 86 |
| 2 | Georgetown, Texas | 85 |
| 3 | Leander, Texas | 84 |
| 4 | Round Rock, Texas | 80 |
| 5 | Palm Desert, California | 77 |
| 6 | Ocala, Florida | 74 |
| 7 | Cedar Park, Texas | 73 |
| 8 | Austin, Texas | 71 |
| 9 | Campo, California | 71 |
| 10 | Coraopolis, Pennsylvania | 68 |
(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 | Longmont Station | 32 |
| 2 | Preston Drive | 31 |
| 3 | Snead Court | 30 |
| 4 | South Bross Street | 28 |
| 5 | Caleta Trail | 27 |
| 6 | Ute Creek Drive | 27 |
| 7 | Bluebird Avenue | 25 |
| 8 | Hallett Peak | 25 |
| 9 | Willis Heights | 24 |
| 10 | Clover Basin Consulting | 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 | 4.3µg/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 |
|---|---|---|---|---|
| Thursday, May 30 | Good 22 AQI US |  | 69.8° 46.4° |  8.9 mp/h |
| Friday, May 31 | Good 31 AQI US |  | 80.6° 51.8° | 11.2 mp/h |
| Today | Good 24 AQI US | |||
| Sunday, Jun 2 | Good 26 AQI US |  | 87.8° 53.6° | 17.9 mp/h |
| Monday, Jun 3 | Moderate 56 AQI US  | | 86° 55.4° | 17.9 mp/h |
| Tuesday, Jun 4 | Good 20 AQI US |  | 82.4° 59° | 13.4 mp/h |
| Wednesday, Jun 5 | Good 14 AQI US | | 91.4° 57.2° | 8.9 mp/h |
| Thursday, Jun 6 | Good 20 AQI US | | 86° 53.6° | 17.9 mp/h |
| Friday, Jun 7 | Good 20 AQI US | 40% | 89.6° 62.6° | 13.4 mp/h |
| Saturday, Jun 8 | Good 20 AQI US | 100% | 69.8° 59° | 11.2 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
- Rozena Drive 16
- Hawthorne Place 17
- Summerlin Lane 17
- The Shores 21
- Clover Basin Consulting 22
- Mallard Place 22
- Willis Heights 24
- Bluebird Avenue 25
- Hallett Peak 25
- Caleta Trail 27
- Ute Creek Drive 27
- South Bross Street 28
- Snead Court 30
- Preston Drive 31
- Longmont Station 32
AQI US, Metric