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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
16 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 | Scattered clouds |
| Temperature | 66.2°F |
| Humidity | 35% |
| Wind | 10.4 mp/h |
| Pressure | 29.6 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Coachella, California | 131 |
| 2 | Lewisville, Texas | 126 |
| 3 | Georgetown, Texas | 122 |
| 4 | Fort Worth, Texas | 119 |
| 5 | Midlothian, Texas | 116 |
| 6 | Dallas, Texas | 114 |
| 7 | Round Rock, Texas | 114 |
| 8 | Austin, Texas | 113 |
| 9 | Leander, Texas | 111 |
| 10 | Boerne, Texas | 105 |
(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 | 33 |
| 2 | Summerlin Lane | 24 |
| 3 | Snead Court | 23 |
| 4 | South Bross Street | 23 |
| 5 | Ute Creek Drive | 23 |
| 6 | Willis Heights | 23 |
| 7 | Caleta Trail | 21 |
| 8 | Clover Basin Consulting | 21 |
| 9 | Mallard Place | 21 |
| 10 | Hallett Peak | 20 |
(local time)
SEE WORLD AQI RANKING
US AQI
21
live AQI index
Good
Overview
What is the current air quality in Longmont?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 21 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 |
|---|---|---|---|---|
| Wednesday, May 22 | Good 24 AQI US |  | 75.2° 46.4° |  24.6 mp/h |
| Thursday, May 23 | Good 22 AQI US | | 71.6° 37.4° | 13.4 mp/h |
| Friday, May 24 | Good 21 AQI US |  | 69.8° 46.4° | 22.4 mp/h |
| Today | Good 21 AQI US | 80% | 69.8° 46.4° | 22.4 mp/h |
| Sunday, May 26 | Good 22 AQI US | | 71.6° 46.4° | 17.9 mp/h |
| Monday, May 27 | Good 24 AQI US | | 78.8° 48.2° | 8.9 mp/h |
| Tuesday, May 28 | Moderate 60 AQI US  | | 80.6° 48.2° | 13.4 mp/h |
| Wednesday, May 29 | Good 40 AQI US |  | 84.2° 51.8° | 11.2 mp/h |
| Thursday, May 30 | Good 35 AQI US | 30% | 84.2° 53.6° | 4.5 mp/h |
| Friday, May 31 | Good 21 AQI US | 80% | 78.8° 48.2° | 11.2 mp/h |
| Saturday, Jun 1 | Good 22 AQI US | 40% | 80.6° 51.8° | 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
16Contributors
- 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 5
- Rozena Drive 16
- The Shores 17
- Eagle Court 18
- Hallett Peak 20
- Hawthorne Place 20
- Preston Drive 20
- Caleta Trail 21
- Clover Basin Consulting 21
- Mallard Place 21
- Snead Court 23
- South Bross Street 23
- Ute Creek Drive 23
- Willis Heights 23
- Summerlin Lane 24
- Bluebird Avenue 33
AQI US, Metric