24 hrs avg AQI
PM2.5 ✓
The current PM2.5 concentration in Colorado is ✓below the recommended limit given by the WHO 24 hrs air quality guidelines value.
| Status | AQI | AQI-US | AQI-IN | PM2.5 | PM10 | Temp | Humid | |
|---|---|---|---|---|---|---|---|---|
| Welby | MODERATE | 68 | 68 | 15 | 20 | 10 | 0 | 93 |
| Boulder | GOOD | 17 | 17 | 15 | 4 | 8 | 0 | 100 |
| Berkley | GOOD | 17 | 17 | 8 | 4 | 6 | 0 | 90 |
| Edgewater | GOOD | 19 | 19 | 10 | 4 | 5 | -1 | 89 |
| Fort Collins | GOOD | 13 | 13 | 5 | 3 | 4 | 0 | 93 |
| Aspen | GOOD | 17 | 17 | 18 | 1 | 18 | 3 | 59 |
| Colorado Springs | GOOD | 13 | 13 | 5 | 3 | 4 | 1 | 92 |
| Grand Junction | GOOD | 14 | 14 | 15 | 3 | 15 | 16 | 30 |
| Derby | MODERATE | 73 | 73 | 99 | 20 | 99 | 0 | 93 |
| Longmont | GOOD | 17 | 17 | 8 | 4 | 8 | 0 | 100 |
| Columbine | GOOD | 13 | 13 | 14 | 3 | 5 | -1 | 89 |
| Glendale | GOOD | 17 | 17 | 10 | 4 | 8 | 0 | 93 |
| Fruita | GOOD | 21 | 21 | 8 | 5 | 0 | 15 | 29 |
| Silverthorne | MODERATE | 63 | 63 | 30 | 18 | 0 | 3 | 70 |
| Carbondale | GOOD | 21 | 21 | 8 | 5 | 0 | 7 | 53 |
| Estes Park | GOOD | 13 | 13 | 5 | 3 | 0 | -3 | 77 |
| Gunnison | GOOD | 8 | 8 | 4 | 2 | 0 | 8 | 42 |
| Glenwood Springs | GOOD | 8 | 8 | 4 | 2 | 0 | 9 | 39 |
| Rifle | GOOD | 13 | 13 | 7 | 3 | 0 | 7 | 40 |
| Lakewood | GOOD | 4 | 4 | 2 | 1 | 0 | 0 | 93 |
Local Time
Wind speed
33 km/h
UV Index
16
Pressure
800 mb
Wear Mask
Stay Indoor
Windows
Use Purifier
Family
AQI
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Best
Oct 1, 2020
Worst
Oct 1, 2020
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Explore an insightful air pollution data for last 24 hrs, 7 days & 1 month
24 hrs avg AQI
Quick answers to some commonly asked questions about the air pollution of Colorado.
The real-time air quality in Colorado is 22 (GOOD) AQI now. This was last updated 4 hours ago .
The current concentration of PM2.5 in Colorado is 6 (µg/m³). The World Health Organisation (WHO) recommends 15 µg/m³ as the threshold concentration of PM2.5 for 24 hrs mean. Currently, the concentration is 0.24 times the recommended limit.
Generally, the air quality at Colorado starts deteriorating in late October. The winters are the worst-hit season in terms of air pollution.
You should wear a good N95 mask when you go outdoor in Colorado until the AQI is improving upto moderate range.
Office going people should avoid personal vehicles and use public transportations or carpooling.
(i) The primary causes of outdoor air pollution are solid, liquid particles called aerosols & gase from vehicles emissions, construction activities, factories, burning stubble & fossil fuels and wildfire, etc.
(ii) Main causes of indoor air pollution are harmful gases from cooking fuels (such as wood, crop wastes, charcoal, coal and dung), damp, mould smoke, chemicals from cleaning materials, etc.
Indoor air pollution in Colorado is as dangerous as outdoor pollution, because the air pollutants come inside the houses or buildings through doors, windows and ventilation.
In Colorado, you must use an air purifier or fresh air machine at home or office indoor and close all the doors, windows and ventilations when the outdoor air quality index (aqi) in Colorado is very high. Proper ventilation is highly recommended only when outdoor air quality is improving and moderate AQI range.
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