What is the current level of PM10 in Four Square Mile, Colorado?

Four Square Mile, Colorado currently has a PM10 concentration of 36.396 μg/m3.

What is the current level of sulfur dioxide (SO2) in Four Square Mile, Colorado?

The current sulfur dioxide (SO2) concentration in Four Square Mile, Colorado is 1.057 ppb.

What is the current level of ozone (O3) in Four Square Mile, Colorado?

Four Square Mile, Colorado currently has an ozone (O3) concentration of 21.903 ppm.

What is the current level of nitrogen dioxide (NO2) in Four Square Mile, Colorado?

The current level of nitrogen dioxide (NO2) in Four Square Mile, Colorado is 33.049 ppb.

Current air quality index in Four Square Mile, Colorado today

Q: What is the PM2.5 concentration in Four Square Mile, Colorado right now?

Four Square Mile, Colorado currently has a PM2.5 concentration of 5.857 μg/m3.

Stay updated with real-time air quality in Four Square Mile, Colorado featuring accurate data on AQI, PM_2.5, PM₁₀, O₃, NO₂, SO₂, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.

Live AQI (Air Quality Index)

Good

Four Square Mile, Colorado

Last updated: ... (Local time)

Common air pollutants in Four Square Mile, Colorado

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

5.86 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

36.40 μg/m³

155

255

425

605+

Ozone (O₃)

21.90 ppb

201

201+

Sulfur Dioxide (SO₂)

1.06 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

33.05 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.45 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Four Square Mile, Colorado

Get Live Pollen Counts

Four Square Mile, Colorado

Scroll To Air Quality Map

Track live Four Square Mile, Colorado air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-20T17:00:00.000Z	40 \| good	6.147 \| good	30.76 \| good	42.921 \| good	0.158 \| good	5.265 \| good	0.272 \| good
2025-10-20T18:00:00.000Z	41 \| good	4.854 \| good	24.139 \| good	44.493 \| good	0.228 \| good	6.522 \| good	0.272 \| good
2025-10-20T19:00:00.000Z	41 \| good	4.722 \| good	22.781 \| good	44.21 \| good	0.228 \| good	6.025 \| good	0.272 \| good
2025-10-20T20:00:00.000Z	39 \| good	3.198 \| good	15.47 \| good	41.572 \| good	0.156 \| good	6.046 \| good	0.272 \| good
2025-10-20T21:00:00.000Z	37 \| good	2.515 \| good	11.521 \| good	40.475 \| good	0.156 \| good	7.134 \| good	0.272 \| good
2025-10-20T22:00:00.000Z	37 \| good	2.04 \| good	9.352 \| good	39.709 \| good	0.158 \| good	9.925 \| good	0.357 \| good
2025-10-20T23:00:00.000Z	36 \| good	1.856 \| good	8.25 \| good	39.022 \| good	0.158 \| good	11.087 \| good	0.285 \| good
2025-10-21T00:00:00.000Z	34 \| good	1.771 \| good	7.647 \| good	37.34 \| good	0.228 \| good	11.667 \| good	0.285 \| good
2025-10-21T01:00:00.000Z	34 \| good	1.915 \| good	8.467 \| good	36.699 \| good	0.228 \| good	13.292 \| good	0.285 \| good
2025-10-21T02:00:00.000Z	36 \| good	2.317 \| good	10.648 \| good	38.835 \| good	0.542 \| good	11.864 \| good	0.2 \| good
2025-10-21T03:00:00.000Z	29 \| good	3.717 \| good	16.177 \| good	30.657 \| good	0.577 \| good	11.751 \| good	0.167 \| good
2025-10-21T04:00:00.000Z	35 \| good	2.953 \| good	12.482 \| good	38.147 \| good	0.144 \| good	13.871 \| good	0.371 \| good
2025-10-21T05:00:00.000Z	32 \| good	3.126 \| good	14.311 \| good	35.017 \| good	0.426 \| good	13.829 \| good	0.371 \| good
2025-10-21T06:00:00.000Z	31 \| good	3.136 \| good	13.398 \| good	33.666 \| good	0.479 \| good	13.235 \| good	0.371 \| good
2025-10-21T07:00:00.000Z	28 \| good	3.278 \| good	14.79 \| good	29.964 \| good	0.134 \| good	16.08 \| good	0.272 \| good
2025-10-21T08:00:00.000Z	28 \| good	3.533 \| good	14.944 \| good	29.991 \| good	0.59 \| good	14.171 \| good	0.285 \| good
2025-10-21T09:00:00.000Z	27 \| good	2.91 \| good	12.228 \| good	28.596 \| good	0.526 \| good	10.87 \| good	0.285 \| good
2025-10-21T10:00:00.000Z	23 \| good	2.952 \| good	12.313 \| good	25.092 \| good	0.337 \| good	15.115 \| good	0.2 \| good
2025-10-21T11:00:00.000Z	22 \| good	2.901 \| good	12.425 \| good	23.993 \| good	0.169 \| good	14.04 \| good	0.285 \| good
2025-10-21T12:00:00.000Z	25 \| good	2.796 \| good	12.351 \| good	26.787 \| good	0.506 \| good	13.015 \| good	0.286 \| good
2025-10-21T13:00:00.000Z	24 \| good	2.934 \| good	13.218 \| good	26.171 \| good	0.191 \| good	17.978 \| good	0.471 \| good
2025-10-21T14:00:00.000Z	25 \| good	3.914 \| good	17.743 \| good	23.245 \| good	0.33 \| good	26.693 \| good	0.756 \| good
2025-10-21T15:00:00.000Z	29 \| good	4.765 \| good	23.072 \| good	30.538 \| good	0.37 \| good	22.996 \| good	0.756 \| good
2025-10-21T16:00:00.000Z	31 \| good	5.363 \| good	25.808 \| good	33.911 \| good	0.492 \| good	21.334 \| good	0.471 \| good
2025-10-21T17:00:00.000Z	31 \| good	5.296 \| good	25.427 \| good	33.694 \| good	0.485 \| good	20.503 \| good	0.299 \| good
2025-10-21T18:00:00.000Z	32 \| good	4.381 \| good	21.265 \| good	34.543 \| good	0.447 \| good	16.92 \| good	0.2 \| good
2025-10-21T19:00:00.000Z	34 \| good	3.349 \| good	15.207 \| good	37.379 \| good	0.377 \| good	12.077 \| good	0.2 \| good
2025-10-21T20:00:00.000Z	31 \| good	3.586 \| good	17.952 \| good	33.901 \| good	1.118 \| good	16.084 \| good	0.213 \| good
2025-10-21T21:00:00.000Z	33 \| good	3.625 \| good	19.062 \| good	36.144 \| good	0.679 \| good	15.46 \| good	0.299 \| good
2025-10-21T22:00:00.000Z	35 \| good	3.254 \| good	16.475 \| good	38.151 \| good	0.509 \| good	15.106 \| good	0.285 \| good
2025-10-21T23:00:00.000Z	37 \| good	3.366 \| good	17.054 \| good	39.991 \| good	0.54 \| good	16.764 \| good	0.285 \| good
2025-10-22T00:00:00.000Z	32 \| good	3.628 \| good	18.484 \| good	35.166 \| good	0.581 \| good	22.681 \| good	0.286 \| good
2025-10-22T01:00:00.000Z	37 \| good	4.981 \| good	25.568 \| good	29.195 \| good	0.649 \| good	38.649 \| good	0.671 \| good
2025-10-22T02:00:00.000Z	33 \| good	5.567 \| good	27.625 \| good	26.694 \| good	1.122 \| good	34.813 \| good	0.73 \| good
2025-10-22T03:00:00.000Z	54 \| moderate	11.308 \| good	49.842 \| good	10.414 \| good	0.915 \| good	18.69 \| good	0.23 \| good
2025-10-22T04:00:00.000Z	31 \| good	4.803 \| good	22.966 \| good	18.718 \| good	0.413 \| good	32.747 \| good	0.458 \| good
2025-10-22T05:00:00.000Z	33 \| good	4.718 \| good	22.778 \| good	14.251 \| good	0.4 \| good	35.026 \| good	0.372 \| good
2025-10-22T06:00:00.000Z	27 \| good	5.09 \| good	23.431 \| good	16.758 \| good	0.244 \| good	21.232 \| good	0.399 \| good
2025-10-22T07:00:00.000Z	27 \| good	5.27 \| good	24.292 \| good	21.77 \| good	0.548 \| good	17.098 \| good	0.371 \| good
2025-10-22T08:00:00.000Z	27 \| good	5.44 \| good	24.183 \| good	14.883 \| good	0.555 \| good	25.205 \| good	0.371 \| good
2025-10-22T09:00:00.000Z	29 \| good	5.338 \| good	23.91 \| good	13.213 \| good	0.344 \| good	31.373 \| good	0.299 \| good
2025-10-22T10:00:00.000Z	28 \| good	5.12 \| good	22.356 \| good	13.479 \| good	0.415 \| good	30.36 \| good	0.299 \| good
2025-10-22T11:00:00.000Z	27 \| good	4.838 \| good	21.672 \| good	12.881 \| good	0.449 \| good	26.997 \| good	0.299 \| good
2025-10-22T12:00:00.000Z	27 \| good	4.579 \| good	19.921 \| good	11.152 \| good	0.627 \| good	27.491 \| good	0.313 \| good
2025-10-22T13:00:00.000Z	27 \| good	4.539 \| good	20.838 \| good	16.835 \| good	0.324 \| good	23.48 \| good	0.485 \| good
2025-10-22T14:00:00.000Z	27 \| good	4.976 \| good	23.172 \| good	19.063 \| good	0.382 \| good	25.157 \| good	0.498 \| good
2025-10-22T15:00:00.000Z	27 \| good	5.344 \| good	25.227 \| good	21.146 \| good	0.454 \| good	25.586 \| good	0.485 \| good
2025-10-22T16:00:00.000Z	33 \| good	5.857 \| good	36.396 \| good	21.903 \| good	1.057 \| good	33.049 \| good	0.454 \| good
2025-10-22T17:00:00.000Z	44 \| good	7.721 \| good	33.845 \| good	32.266 \| good	0.872 \| good	6.346 \| good	0.184 \| good
2025-10-22T18:00:00.000Z	49 \| good	8.968 \| good	40.312 \| good	36.062 \| good	0.965 \| good	3.728 \| good	0.136 \| good
2025-10-22T19:00:00.000Z	49 \| good	8.889 \| good	38.928 \| good	38.49 \| good	0.879 \| good	3.253 \| good	0.132 \| good
2025-10-22T20:00:00.000Z	44 \| good	7.822 \| good	34.087 \| good	41.449 \| good	0.793 \| good	2.779 \| good	0.128 \| good
2025-10-22T21:00:00.000Z	42 \| good	7.034 \| good	31.008 \| good	44.66 \| good	0.707 \| good	2.304 \| good	0.124 \| good
2025-10-22T22:00:00.000Z	44 \| good	6.801 \| good	29.972 \| good	47.113 \| good	0.693 \| good	3.675 \| good	0.134 \| good
2025-10-22T23:00:00.000Z	38 \| good	7.288 \| good	32.027 \| good	37.007 \| good	0.679 \| good	5.045 \| good	0.143 \| good
2025-10-23T00:00:00.000Z	52 \| moderate	9.946 \| good	44.581 \| good	17.144 \| good	0.665 \| good	6.415 \| good	0.153 \| good
2025-10-23T01:00:00.000Z	54 \| moderate	10.531 \| good	46.578 \| good	11.863 \| good	0.847 \| good	11.683 \| good	0.193 \| good
2025-10-23T02:00:00.000Z	49 \| good	9.456 \| good	42.232 \| good	10.199 \| good	1.028 \| good	16.95 \| good	0.232 \| good
2025-10-23T03:00:00.000Z	49 \| good	9.206 \| good	41.251 \| good	11.4 \| good	1.209 \| good	22.218 \| good	0.272 \| good
2025-10-23T04:00:00.000Z	54 \| moderate	11.006 \| good	48.758 \| good	11.179 \| good	1.112 \| good	21.489 \| good	0.278 \| good
2025-10-23T05:00:00.000Z	54 \| moderate	11.439 \| good	50.809 \| good	16.406 \| good	1.015 \| good	20.761 \| good	0.283 \| good
2025-10-23T06:00:00.000Z	54 \| moderate	10.792 \| good	47.835 \| good	15.688 \| good	0.918 \| good	20.032 \| good	0.289 \| good
2025-10-23T07:00:00.000Z	52 \| moderate	9.932 \| good	43.979 \| good	15.247 \| good	0.791 \| good	17.666 \| good	0.267 \| good
2025-10-23T08:00:00.000Z	49 \| good	8.808 \| good	38.857 \| good	20.171 \| good	0.663 \| good	15.3 \| good	0.246 \| good
2025-10-23T09:00:00.000Z	44 \| good	8.417 \| good	36.851 \| good	18.177 \| good	0.535 \| good	12.934 \| good	0.224 \| good
2025-10-23T10:00:00.000Z	33 \| good	6.217 \| good	27.577 \| good	15.141 \| good	0.511 \| good	11.567 \| good	0.209 \| good
2025-10-23T11:00:00.000Z	27 \| good	4.942 \| good	21.594 \| good	13.603 \| good	0.487 \| good	10.2 \| good	0.194 \| good
2025-10-23T12:00:00.000Z	27 \| good	5.018 \| good	21.676 \| good	10.52 \| good	0.464 \| good	8.833 \| good	0.178 \| good
2025-10-23T13:00:00.000Z	38 \| good	6.625 \| good	29.336 \| good	4.817 \| good	0.51 \| good	9.072 \| good	0.199 \| good
2025-10-23T14:00:00.000Z	56 \| moderate	11.895 \| good	53.185 \| good	7.971 \| good	0.556 \| good	9.31 \| good	0.219 \| good
2025-10-23T15:00:00.000Z	54 \| moderate	11.312 \| good	50.272 \| good	11.301 \| good	0.603 \| good	9.549 \| good	0.24 \| good
2025-10-23T16:00:00.000Z	54 \| moderate	10.617 \| good	47.207 \| good	13.818 \| good	0.849 \| good	8.329 \| good	0.211 \| good
2025-10-23T17:00:00.000Z	56 \| moderate	11.601 \| good	51.509 \| good	20.668 \| good	1.096 \| good	7.11 \| good	0.183 \| good
2025-10-23T18:00:00.000Z	52 \| moderate	9.601 \| good	43.013 \| good	30.567 \| good	1.342 \| good	5.89 \| good	0.155 \| good
2025-10-23T19:00:00.000Z	44 \| good	8.031 \| good	35.193 \| good	34.937 \| good	1.24 \| good	5.337 \| good	0.147 \| good
2025-10-23T20:00:00.000Z	38 \| good	6.683 \| good	29.875 \| good	39.083 \| good	1.139 \| good	4.783 \| good	0.14 \| good
2025-10-23T21:00:00.000Z	39 \| good	6.078 \| good	26.918 \| good	41.757 \| good	1.037 \| good	4.229 \| good	0.132 \| good
2025-10-23T22:00:00.000Z	40 \| good	5.211 \| good	22.691 \| good	42.645 \| good	0.999 \| good	6.059 \| good	0.146 \| good
2025-10-23T23:00:00.000Z	33 \| good	4.825 \| good	20.937 \| good	35.807 \| good	0.961 \| good	7.889 \| good	0.159 \| good
2025-10-24T00:00:00.000Z	33 \| good	5.77 \| good	24.955 \| good	25.438 \| good	0.923 \| good	9.719 \| good	0.173 \| good
2025-10-24T01:00:00.000Z	38 \| good	7.303 \| good	31.942 \| good	20.822 \| good	0.969 \| good	11.678 \| good	0.188 \| good
2025-10-24T02:00:00.000Z	44 \| good	8.144 \| good	35.882 \| good	22.622 \| good	1.016 \| good	13.636 \| good	0.204 \| good
2025-10-24T03:00:00.000Z	38 \| good	7.44 \| good	32.73 \| good	27.288 \| good	1.062 \| good	15.594 \| good	0.219 \| good
2025-10-24T04:00:00.000Z	38 \| good	7.011 \| good	30.895 \| good	26.985 \| good	1.03 \| good	14.697 \| good	0.213 \| good
2025-10-24T05:00:00.000Z	27 \| good	4.929 \| good	21.317 \| good	28.495 \| good	0.998 \| good	13.8 \| good	0.208 \| good
2025-10-24T06:00:00.000Z	28 \| good	4.677 \| good	20.198 \| good	30.243 \| good	0.966 \| good	12.903 \| good	0.202 \| good
2025-10-24T07:00:00.000Z	33 \| good	5.696 \| good	24.499 \| good	31.312 \| good	0.914 \| good	11.42 \| good	0.191 \| good
2025-10-24T08:00:00.000Z	30 \| good	5.053 \| good	21.66 \| good	32.067 \| good	0.862 \| good	9.937 \| good	0.18 \| good
2025-10-24T09:00:00.000Z	33 \| good	5.598 \| good	24.376 \| good	29.298 \| good	0.81 \| good	8.454 \| good	0.17 \| good
2025-10-24T10:00:00.000Z	44 \| good	7.609 \| good	33.41 \| good	22.799 \| good	0.798 \| good	7.809 \| good	0.163 \| good
2025-10-24T11:00:00.000Z	44 \| good	7.77 \| good	34.462 \| good	19.815 \| good	0.786 \| good	7.164 \| good	0.157 \| good
2025-10-24T12:00:00.000Z	44 \| good	7.601 \| good	33.527 \| good	13.99 \| good	0.774 \| good	6.519 \| good	0.151 \| good
2025-10-24T13:00:00.000Z	49 \| good	8.687 \| good	38.36 \| good	10.5 \| good	0.844 \| good	8.358 \| good	0.18 \| good
2025-10-24T14:00:00.000Z	52 \| moderate	9.837 \| good	43.36 \| good	16.823 \| good	0.913 \| good	10.198 \| good	0.209 \| good
2025-10-24T15:00:00.000Z	52 \| moderate	9.569 \| good	42.419 \| good	25.709 \| good	0.982 \| good	12.038 \| good	0.238 \| good
2025-10-24T16:00:00.000Z	49 \| good	8.676 \| good	38.245 \| good	33.898 \| good	0.939 \| good	8.935 \| good	0.205 \| good

Four Square Mile

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Four Square Mile, Colorado

0.48ppm

How accurate is Colorado, USA air quality data?

The air quality data for Colorado, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.

Source: Ambee Data Sources

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Frequently asked questions

How frequently does the air quality data for Four Square Mile, Colorado get updated?

Air quality updates for Four Square Mile, Colorado are available every hour.

What time in the past 24 hours saw the poorest air quality in Four Square Mile, Colorado?

Four Square Mile, Colorado experienced its worst air quality at 03:00:00, 2025-10-22.

When was air quality in Four Square Mile, Colorado the best over the past 24 hours?

The best air quality in Four Square Mile, Colorado was observed at 03:00:00 on 2025-10-22.

What is the air quality in Four Square Mile, Colorado right now?

The air quality in Four Square Mile, Colorado right now is Good, with an AQI of 33.

What pollutant is most frequently found in Four Square Mile, Colorado?

In Four Square Mile, Colorado, PM10 is the most frequently found pollutant.

What can I do if the air quality in Four Square Mile, Colorado is poor?

When air quality in Four Square Mile, Colorado is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in Four Square Mile, Colorado right now?

Four Square Mile, Colorado currently has a PM_2.5 concentration of 5.857 μg/m³.

What is the current level of PM₁₀ in Four Square Mile, Colorado?

Four Square Mile, Colorado currently has a PM₁₀ concentration of 36.396 μg/m³.

What is the current level of carbon monoxide (CO) in Four Square Mile, Colorado?

The current carbon monoxide (CO) level in Four Square Mile, Colorado is 0.454 ppm.

What is the current level of sulfur dioxide (SO₂) in Four Square Mile, Colorado?

The current sulfur dioxide (SO₂) concentration in Four Square Mile, Colorado is 1.057 ppb.

What is the current level of ozone (O₃) in Four Square Mile, Colorado?

Four Square Mile, Colorado currently has an ozone (O₃) concentration of 21.903 ppm.

What is the current level of nitrogen dioxide (NO₂) in Four Square Mile, Colorado?

The current level of nitrogen dioxide (NO₂) in Four Square Mile, Colorado is 33.049 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-20T17:00:00.000Z	40 \| good	6.147 \| good	30.76 \| good	42.921 \| good	0.158 \| good	5.265 \| good	0.272 \| good
2025-10-20T18:00:00.000Z	41 \| good	4.854 \| good	24.139 \| good	44.493 \| good	0.228 \| good	6.522 \| good	0.272 \| good
2025-10-20T19:00:00.000Z	41 \| good	4.722 \| good	22.781 \| good	44.21 \| good	0.228 \| good	6.025 \| good	0.272 \| good
2025-10-20T20:00:00.000Z	39 \| good	3.198 \| good	15.47 \| good	41.572 \| good	0.156 \| good	6.046 \| good	0.272 \| good
2025-10-20T21:00:00.000Z	37 \| good	2.515 \| good	11.521 \| good	40.475 \| good	0.156 \| good	7.134 \| good	0.272 \| good
2025-10-20T22:00:00.000Z	37 \| good	2.04 \| good	9.352 \| good	39.709 \| good	0.158 \| good	9.925 \| good	0.357 \| good
2025-10-20T23:00:00.000Z	36 \| good	1.856 \| good	8.25 \| good	39.022 \| good	0.158 \| good	11.087 \| good	0.285 \| good
2025-10-21T00:00:00.000Z	34 \| good	1.771 \| good	7.647 \| good	37.34 \| good	0.228 \| good	11.667 \| good	0.285 \| good
2025-10-21T01:00:00.000Z	34 \| good	1.915 \| good	8.467 \| good	36.699 \| good	0.228 \| good	13.292 \| good	0.285 \| good
2025-10-21T02:00:00.000Z	36 \| good	2.317 \| good	10.648 \| good	38.835 \| good	0.542 \| good	11.864 \| good	0.2 \| good
2025-10-21T03:00:00.000Z	29 \| good	3.717 \| good	16.177 \| good	30.657 \| good	0.577 \| good	11.751 \| good	0.167 \| good
2025-10-21T04:00:00.000Z	35 \| good	2.953 \| good	12.482 \| good	38.147 \| good	0.144 \| good	13.871 \| good	0.371 \| good
2025-10-21T05:00:00.000Z	32 \| good	3.126 \| good	14.311 \| good	35.017 \| good	0.426 \| good	13.829 \| good	0.371 \| good
2025-10-21T06:00:00.000Z	31 \| good	3.136 \| good	13.398 \| good	33.666 \| good	0.479 \| good	13.235 \| good	0.371 \| good
2025-10-21T07:00:00.000Z	28 \| good	3.278 \| good	14.79 \| good	29.964 \| good	0.134 \| good	16.08 \| good	0.272 \| good
2025-10-21T08:00:00.000Z	28 \| good	3.533 \| good	14.944 \| good	29.991 \| good	0.59 \| good	14.171 \| good	0.285 \| good
2025-10-21T09:00:00.000Z	27 \| good	2.91 \| good	12.228 \| good	28.596 \| good	0.526 \| good	10.87 \| good	0.285 \| good
2025-10-21T10:00:00.000Z	23 \| good	2.952 \| good	12.313 \| good	25.092 \| good	0.337 \| good	15.115 \| good	0.2 \| good
2025-10-21T11:00:00.000Z	22 \| good	2.901 \| good	12.425 \| good	23.993 \| good	0.169 \| good	14.04 \| good	0.285 \| good
2025-10-21T12:00:00.000Z	25 \| good	2.796 \| good	12.351 \| good	26.787 \| good	0.506 \| good	13.015 \| good	0.286 \| good
2025-10-21T13:00:00.000Z	24 \| good	2.934 \| good	13.218 \| good	26.171 \| good	0.191 \| good	17.978 \| good	0.471 \| good
2025-10-21T14:00:00.000Z	25 \| good	3.914 \| good	17.743 \| good	23.245 \| good	0.33 \| good	26.693 \| good	0.756 \| good
2025-10-21T15:00:00.000Z	29 \| good	4.765 \| good	23.072 \| good	30.538 \| good	0.37 \| good	22.996 \| good	0.756 \| good
2025-10-21T16:00:00.000Z	31 \| good	5.363 \| good	25.808 \| good	33.911 \| good	0.492 \| good	21.334 \| good	0.471 \| good
2025-10-21T17:00:00.000Z	31 \| good	5.296 \| good	25.427 \| good	33.694 \| good	0.485 \| good	20.503 \| good	0.299 \| good
2025-10-21T18:00:00.000Z	32 \| good	4.381 \| good	21.265 \| good	34.543 \| good	0.447 \| good	16.92 \| good	0.2 \| good
2025-10-21T19:00:00.000Z	34 \| good	3.349 \| good	15.207 \| good	37.379 \| good	0.377 \| good	12.077 \| good	0.2 \| good
2025-10-21T20:00:00.000Z	31 \| good	3.586 \| good	17.952 \| good	33.901 \| good	1.118 \| good	16.084 \| good	0.213 \| good
2025-10-21T21:00:00.000Z	33 \| good	3.625 \| good	19.062 \| good	36.144 \| good	0.679 \| good	15.46 \| good	0.299 \| good
2025-10-21T22:00:00.000Z	35 \| good	3.254 \| good	16.475 \| good	38.151 \| good	0.509 \| good	15.106 \| good	0.285 \| good
2025-10-21T23:00:00.000Z	37 \| good	3.366 \| good	17.054 \| good	39.991 \| good	0.54 \| good	16.764 \| good	0.285 \| good
2025-10-22T00:00:00.000Z	32 \| good	3.628 \| good	18.484 \| good	35.166 \| good	0.581 \| good	22.681 \| good	0.286 \| good
2025-10-22T01:00:00.000Z	37 \| good	4.981 \| good	25.568 \| good	29.195 \| good	0.649 \| good	38.649 \| good	0.671 \| good
2025-10-22T02:00:00.000Z	33 \| good	5.567 \| good	27.625 \| good	26.694 \| good	1.122 \| good	34.813 \| good	0.73 \| good
2025-10-22T03:00:00.000Z	54 \| moderate	11.308 \| good	49.842 \| good	10.414 \| good	0.915 \| good	18.69 \| good	0.23 \| good
2025-10-22T04:00:00.000Z	31 \| good	4.803 \| good	22.966 \| good	18.718 \| good	0.413 \| good	32.747 \| good	0.458 \| good
2025-10-22T05:00:00.000Z	33 \| good	4.718 \| good	22.778 \| good	14.251 \| good	0.4 \| good	35.026 \| good	0.372 \| good
2025-10-22T06:00:00.000Z	27 \| good	5.09 \| good	23.431 \| good	16.758 \| good	0.244 \| good	21.232 \| good	0.399 \| good
2025-10-22T07:00:00.000Z	27 \| good	5.27 \| good	24.292 \| good	21.77 \| good	0.548 \| good	17.098 \| good	0.371 \| good
2025-10-22T08:00:00.000Z	27 \| good	5.44 \| good	24.183 \| good	14.883 \| good	0.555 \| good	25.205 \| good	0.371 \| good
2025-10-22T09:00:00.000Z	29 \| good	5.338 \| good	23.91 \| good	13.213 \| good	0.344 \| good	31.373 \| good	0.299 \| good
2025-10-22T10:00:00.000Z	28 \| good	5.12 \| good	22.356 \| good	13.479 \| good	0.415 \| good	30.36 \| good	0.299 \| good
2025-10-22T11:00:00.000Z	27 \| good	4.838 \| good	21.672 \| good	12.881 \| good	0.449 \| good	26.997 \| good	0.299 \| good
2025-10-22T12:00:00.000Z	27 \| good	4.579 \| good	19.921 \| good	11.152 \| good	0.627 \| good	27.491 \| good	0.313 \| good
2025-10-22T13:00:00.000Z	27 \| good	4.539 \| good	20.838 \| good	16.835 \| good	0.324 \| good	23.48 \| good	0.485 \| good
2025-10-22T14:00:00.000Z	27 \| good	4.976 \| good	23.172 \| good	19.063 \| good	0.382 \| good	25.157 \| good	0.498 \| good
2025-10-22T15:00:00.000Z	27 \| good	5.344 \| good	25.227 \| good	21.146 \| good	0.454 \| good	25.586 \| good	0.485 \| good
2025-10-22T16:00:00.000Z	33 \| good	5.857 \| good	36.396 \| good	21.903 \| good	1.057 \| good	33.049 \| good	0.454 \| good
2025-10-22T17:00:00.000Z	44 \| good	7.721 \| good	33.845 \| good	32.266 \| good	0.872 \| good	6.346 \| good	0.184 \| good
2025-10-22T18:00:00.000Z	49 \| good	8.968 \| good	40.312 \| good	36.062 \| good	0.965 \| good	3.728 \| good	0.136 \| good
2025-10-22T19:00:00.000Z	49 \| good	8.889 \| good	38.928 \| good	38.49 \| good	0.879 \| good	3.253 \| good	0.132 \| good
2025-10-22T20:00:00.000Z	44 \| good	7.822 \| good	34.087 \| good	41.449 \| good	0.793 \| good	2.779 \| good	0.128 \| good
2025-10-22T21:00:00.000Z	42 \| good	7.034 \| good	31.008 \| good	44.66 \| good	0.707 \| good	2.304 \| good	0.124 \| good
2025-10-22T22:00:00.000Z	44 \| good	6.801 \| good	29.972 \| good	47.113 \| good	0.693 \| good	3.675 \| good	0.134 \| good
2025-10-22T23:00:00.000Z	38 \| good	7.288 \| good	32.027 \| good	37.007 \| good	0.679 \| good	5.045 \| good	0.143 \| good
2025-10-23T00:00:00.000Z	52 \| moderate	9.946 \| good	44.581 \| good	17.144 \| good	0.665 \| good	6.415 \| good	0.153 \| good
2025-10-23T01:00:00.000Z	54 \| moderate	10.531 \| good	46.578 \| good	11.863 \| good	0.847 \| good	11.683 \| good	0.193 \| good
2025-10-23T02:00:00.000Z	49 \| good	9.456 \| good	42.232 \| good	10.199 \| good	1.028 \| good	16.95 \| good	0.232 \| good
2025-10-23T03:00:00.000Z	49 \| good	9.206 \| good	41.251 \| good	11.4 \| good	1.209 \| good	22.218 \| good	0.272 \| good
2025-10-23T04:00:00.000Z	54 \| moderate	11.006 \| good	48.758 \| good	11.179 \| good	1.112 \| good	21.489 \| good	0.278 \| good
2025-10-23T05:00:00.000Z	54 \| moderate	11.439 \| good	50.809 \| good	16.406 \| good	1.015 \| good	20.761 \| good	0.283 \| good
2025-10-23T06:00:00.000Z	54 \| moderate	10.792 \| good	47.835 \| good	15.688 \| good	0.918 \| good	20.032 \| good	0.289 \| good
2025-10-23T07:00:00.000Z	52 \| moderate	9.932 \| good	43.979 \| good	15.247 \| good	0.791 \| good	17.666 \| good	0.267 \| good
2025-10-23T08:00:00.000Z	49 \| good	8.808 \| good	38.857 \| good	20.171 \| good	0.663 \| good	15.3 \| good	0.246 \| good
2025-10-23T09:00:00.000Z	44 \| good	8.417 \| good	36.851 \| good	18.177 \| good	0.535 \| good	12.934 \| good	0.224 \| good
2025-10-23T10:00:00.000Z	33 \| good	6.217 \| good	27.577 \| good	15.141 \| good	0.511 \| good	11.567 \| good	0.209 \| good
2025-10-23T11:00:00.000Z	27 \| good	4.942 \| good	21.594 \| good	13.603 \| good	0.487 \| good	10.2 \| good	0.194 \| good
2025-10-23T12:00:00.000Z	27 \| good	5.018 \| good	21.676 \| good	10.52 \| good	0.464 \| good	8.833 \| good	0.178 \| good
2025-10-23T13:00:00.000Z	38 \| good	6.625 \| good	29.336 \| good	4.817 \| good	0.51 \| good	9.072 \| good	0.199 \| good
2025-10-23T14:00:00.000Z	56 \| moderate	11.895 \| good	53.185 \| good	7.971 \| good	0.556 \| good	9.31 \| good	0.219 \| good
2025-10-23T15:00:00.000Z	54 \| moderate	11.312 \| good	50.272 \| good	11.301 \| good	0.603 \| good	9.549 \| good	0.24 \| good
2025-10-23T16:00:00.000Z	54 \| moderate	10.617 \| good	47.207 \| good	13.818 \| good	0.849 \| good	8.329 \| good	0.211 \| good
2025-10-23T17:00:00.000Z	56 \| moderate	11.601 \| good	51.509 \| good	20.668 \| good	1.096 \| good	7.11 \| good	0.183 \| good
2025-10-23T18:00:00.000Z	52 \| moderate	9.601 \| good	43.013 \| good	30.567 \| good	1.342 \| good	5.89 \| good	0.155 \| good
2025-10-23T19:00:00.000Z	44 \| good	8.031 \| good	35.193 \| good	34.937 \| good	1.24 \| good	5.337 \| good	0.147 \| good
2025-10-23T20:00:00.000Z	38 \| good	6.683 \| good	29.875 \| good	39.083 \| good	1.139 \| good	4.783 \| good	0.14 \| good
2025-10-23T21:00:00.000Z	39 \| good	6.078 \| good	26.918 \| good	41.757 \| good	1.037 \| good	4.229 \| good	0.132 \| good
2025-10-23T22:00:00.000Z	40 \| good	5.211 \| good	22.691 \| good	42.645 \| good	0.999 \| good	6.059 \| good	0.146 \| good
2025-10-23T23:00:00.000Z	33 \| good	4.825 \| good	20.937 \| good	35.807 \| good	0.961 \| good	7.889 \| good	0.159 \| good
2025-10-24T00:00:00.000Z	33 \| good	5.77 \| good	24.955 \| good	25.438 \| good	0.923 \| good	9.719 \| good	0.173 \| good
2025-10-24T01:00:00.000Z	38 \| good	7.303 \| good	31.942 \| good	20.822 \| good	0.969 \| good	11.678 \| good	0.188 \| good
2025-10-24T02:00:00.000Z	44 \| good	8.144 \| good	35.882 \| good	22.622 \| good	1.016 \| good	13.636 \| good	0.204 \| good
2025-10-24T03:00:00.000Z	38 \| good	7.44 \| good	32.73 \| good	27.288 \| good	1.062 \| good	15.594 \| good	0.219 \| good
2025-10-24T04:00:00.000Z	38 \| good	7.011 \| good	30.895 \| good	26.985 \| good	1.03 \| good	14.697 \| good	0.213 \| good
2025-10-24T05:00:00.000Z	27 \| good	4.929 \| good	21.317 \| good	28.495 \| good	0.998 \| good	13.8 \| good	0.208 \| good
2025-10-24T06:00:00.000Z	28 \| good	4.677 \| good	20.198 \| good	30.243 \| good	0.966 \| good	12.903 \| good	0.202 \| good
2025-10-24T07:00:00.000Z	33 \| good	5.696 \| good	24.499 \| good	31.312 \| good	0.914 \| good	11.42 \| good	0.191 \| good
2025-10-24T08:00:00.000Z	30 \| good	5.053 \| good	21.66 \| good	32.067 \| good	0.862 \| good	9.937 \| good	0.18 \| good
2025-10-24T09:00:00.000Z	33 \| good	5.598 \| good	24.376 \| good	29.298 \| good	0.81 \| good	8.454 \| good	0.17 \| good
2025-10-24T10:00:00.000Z	44 \| good	7.609 \| good	33.41 \| good	22.799 \| good	0.798 \| good	7.809 \| good	0.163 \| good
2025-10-24T11:00:00.000Z	44 \| good	7.77 \| good	34.462 \| good	19.815 \| good	0.786 \| good	7.164 \| good	0.157 \| good
2025-10-24T12:00:00.000Z	44 \| good	7.601 \| good	33.527 \| good	13.99 \| good	0.774 \| good	6.519 \| good	0.151 \| good
2025-10-24T13:00:00.000Z	49 \| good	8.687 \| good	38.36 \| good	10.5 \| good	0.844 \| good	8.358 \| good	0.18 \| good
2025-10-24T14:00:00.000Z	52 \| moderate	9.837 \| good	43.36 \| good	16.823 \| good	0.913 \| good	10.198 \| good	0.209 \| good
2025-10-24T15:00:00.000Z	52 \| moderate	9.569 \| good	42.419 \| good	25.709 \| good	0.982 \| good	12.038 \| good	0.238 \| good
2025-10-24T16:00:00.000Z	49 \| good	8.676 \| good	38.245 \| good	33.898 \| good	0.939 \| good	8.935 \| good	0.205 \| good

Current air quality index in Four Square Mile, Colorado today

Common air pollutants in Four Square Mile, Colorado

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Four Square Mile, Colorado air quality forecast and history

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Four Square Mile, Colorado

Air quality in nearby cities

Cherry Creek, Colorado

Aurora, Colorado

Greenwood Village, Colorado

Englewood, Colorado

Centennial, Colorado

Denver, Colorado

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Air quality levels in US

Frequently asked questions

How frequently does the air quality data for Four Square Mile, Colorado get updated?

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What is the air quality in Four Square Mile, Colorado right now?

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What is the PM2.5 concentration in Four Square Mile, Colorado right now?

What is the current level of PM10 in Four Square Mile, Colorado?

What is the current level of carbon monoxide (CO) in Four Square Mile, Colorado?

What is the current level of sulfur dioxide (SO2) in Four Square Mile, Colorado?

What is the current level of ozone (O3) in Four Square Mile, Colorado?

What is the current level of nitrogen dioxide (NO2) in Four Square Mile, Colorado?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 concentration in Four Square Mile, Colorado right now?

What is the current level of PM₁₀ in Four Square Mile, Colorado?

What is the current level of sulfur dioxide (SO₂) in Four Square Mile, Colorado?

What is the current level of ozone (O₃) in Four Square Mile, Colorado?

What is the current level of nitrogen dioxide (NO₂) in Four Square Mile, Colorado?