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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 | 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 | 71.6°F |
| Humidity | 37% |
| Wind | 10.4 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Corpus Christi, Texas | 89 |
| 2 | Tulsa, Oklahoma | 77 |
| 3 | San Bernardino, California | 75 |
| 4 | Houston, Texas | 71 |
| 5 | Indio, California | 69 |
| 6 | Mecca, California | 69 |
| 7 | Redlands, California | 69 |
| 8 | Cedar Park, Texas | 68 |
| 9 | Pasadena, Texas | 67 |
| 10 | Philadelphia, Pennsylvania | 67 |
(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 | 36 |
| 2 | Willis Heights | 32 |
| 3 | Bluebird Avenue | 31 |
| 4 | Ute Creek Drive | 28 |
| 5 | Rozena Drive | 27 |
| 6 | Caleta Trail | 26 |
| 7 | Clover Basin Consulting | 26 |
| 8 | Hallett Peak | 26 |
| 9 | Preston Drive | 26 |
| 10 | The Shores | 26 |
(local time)
SEE WORLD AQI RANKING
US AQI
26
live AQI index
Good
Overview
What is the current air quality in Longmont?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 26 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.8µg/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 15 | Good 17 AQI US | | 75.2° 46.4° |  6.7 mp/h |
| Thursday, May 16 | Good 25 AQI US | | 80.6° 51.8° | 15.7 mp/h |
| Friday, May 17 | Good 24 AQI US |  | 73.4° 51.8° | 15.7 mp/h |
| Today | Good 26 AQI US | 40% | 73.4° 51.8° | 15.7 mp/h |
| Sunday, May 19 | Good 34 AQI US | 40% | 78.8° 51.8° | 17.9 mp/h |
| Monday, May 20 | Good 27 AQI US | 30% | 77° 44.6° | 17.9 mp/h |
| Tuesday, May 21 | Good 20 AQI US | 100% | 62.6° 42.8° | 17.9 mp/h |
| Wednesday, May 22 | Good 8 AQI US |  | 69.8° 37.4° | 6.7 mp/h |
| Thursday, May 23 | Good 10 AQI US | | 77° 46.4° | 8.9 mp/h |
| Friday, May 24 | Moderate 74 AQI US  | | 66.2° 50° | 20.1 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 11
- Eagle Court 18
- Hawthorne Place 21
- Summerlin Lane 21
- Mallard Place 23
- South Bross Street 25
- Caleta Trail 26
- Clover Basin Consulting 26
- Hallett Peak 26
- Preston Drive 26
- The Shores 26
- Rozena Drive 27
- Ute Creek Drive 28
- Bluebird Avenue 31
- Willis Heights 32
- Snead Court 36
AQI US, Metric