What is the current level of PM10 in Grand Junction, Colorado?

Grand Junction, Colorado currently has a PM10 concentration of 72.724 μg/m3.

What is the current level of sulfur dioxide (SO2) in Grand Junction, Colorado?

The current sulfur dioxide (SO2) concentration in Grand Junction, Colorado is 1.185 ppb.

What is the current level of ozone (O3) in Grand Junction, Colorado?

Grand Junction, Colorado currently has an ozone (O3) concentration of 20.319 ppm.

What is the current level of nitrogen dioxide (NO2) in Grand Junction, Colorado?

The current level of nitrogen dioxide (NO2) in Grand Junction, Colorado is 6.976 ppb.

Current air quality index in Grand Junction, Colorado today

Q: What is the PM2.5 concentration in Grand Junction, Colorado right now?

Grand Junction, Colorado currently has a PM2.5 concentration of 16.375 μg/m3.

Stay updated with real-time air quality in Grand Junction, 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)

Moderate

Grand Junction, Colorado

Last updated: ... (Local time)

Common air pollutants in Grand Junction, Colorado

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

16.38 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

72.72 μg/m³

155

255

425

605+

Ozone (O₃)

20.32 ppb

201

201+

Sulfur Dioxide (SO₂)

1.19 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.98 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.48 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Grand Junction, Colorado

Get Live Pollen Counts

Grand Junction, Colorado

Scroll To Air Quality Map

Track live Grand Junction, Colorado air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-21T05:00:00.000Z	52 \| moderate	10.2 \| good	45 \| good	24.078 \| good	0.579 \| good	8.558 \| good	0.315 \| good
2026-01-21T06:00:00.000Z	58 \| moderate	12.8 \| fine	57 \| fine	22.418 \| good	0.906 \| good	8.509 \| good	0.312 \| good
2026-01-21T07:00:00.000Z	60 \| moderate	13.5 \| fine	61 \| fine	22.73 \| good	0.524 \| good	8.355 \| good	0.313 \| good
2026-01-21T08:00:00.000Z	54 \| moderate	10.9 \| good	48 \| good	19.06 \| good	0.432 \| good	8.436 \| good	0.232 \| good
2026-01-21T09:00:00.000Z	49 \| good	9.3 \| good	42 \| good	19.529 \| good	0.823 \| good	8.292 \| good	0.272 \| good
2026-01-21T10:00:00.000Z	44 \| good	8.3 \| good	37 \| good	18.622 \| good	0.521 \| good	8.623 \| good	0.333 \| good
2026-01-21T11:00:00.000Z	38 \| good	7.1 \| good	32 \| good	17.36 \| good	0.617 \| good	8.773 \| good	0.334 \| good
2026-01-21T12:00:00.000Z	38 \| good	6.8 \| good	30 \| good	20.878 \| good	0.656 \| good	8.383 \| good	0.272 \| good
2026-01-21T13:00:00.000Z	33 \| good	6.2 \| good	28 \| good	20.435 \| good	0.6 \| good	8.538 \| good	0.313 \| good
2026-01-21T14:00:00.000Z	33 \| good	5.7 \| good	25 \| good	17.904 \| good	1.061 \| good	8.864 \| good	0.366 \| good
2026-01-21T15:00:00.000Z	33 \| good	5.6 \| good	24 \| good	19.189 \| good	1.305 \| good	8.209 \| good	0.576 \| good
2026-01-21T16:00:00.000Z	27 \| good	5.3 \| good	23 \| good	20.536 \| good	1.706 \| good	8.696 \| good	0.73 \| good
2026-01-21T17:00:00.000Z	27 \| good	4.5 \| good	20 \| good	23.992 \| good	2.201 \| good	9.219 \| good	0.693 \| good
2026-01-21T18:00:00.000Z	24 \| good	4 \| good	18 \| good	26.061 \| good	1.462 \| good	6.544 \| good	0.462 \| good
2026-01-21T19:00:00.000Z	28 \| good	3.2 \| good	14 \| good	30.356 \| good	1.365 \| good	5.839 \| good	0.27 \| good
2026-01-21T20:00:00.000Z	30 \| good	2.7 \| good	11 \| good	32.167 \| good	0.788 \| good	4.372 \| good	0.194 \| good
2026-01-21T21:00:00.000Z	31 \| good	2.8 \| good	12 \| good	34.201 \| good	0.49 \| good	4.382 \| good	0.176 \| good
2026-01-21T22:00:00.000Z	35 \| good	2.8 \| good	12 \| good	38.408 \| good	0.457 \| good	3.191 \| good	0.176 \| good
2026-01-21T23:00:00.000Z	33 \| good	3.3 \| good	15 \| good	36.137 \| good	0.66 \| good	3.268 \| good	0.195 \| good
2026-01-22T00:00:00.000Z	34 \| good	3.6 \| good	16 \| good	36.828 \| good	0.616 \| good	3.807 \| good	0.254 \| good
2026-01-22T01:00:00.000Z	31 \| good	4.3 \| good	19 \| good	33.723 \| good	0.693 \| good	7.909 \| good	0.271 \| good
2026-01-22T02:00:00.000Z	32 \| good	4.5 \| good	20 \| good	34.571 \| good	0.515 \| good	10.162 \| good	0.272 \| good
2026-01-22T03:00:00.000Z	49 \| good	9.2 \| good	41 \| good	33.954 \| good	0.621 \| good	8.099 \| good	0.273 \| good
2026-01-22T04:00:00.000Z	58 \| moderate	13 \| fine	59 \| fine	26.895 \| good	0.561 \| good	6.865 \| good	0.272 \| good
2026-01-22T05:00:00.000Z	64 \| moderate	16 \| fine	71 \| fine	26.763 \| good	0.65 \| good	7.286 \| good	0.308 \| good
2026-01-22T06:00:00.000Z	64 \| moderate	16.1 \| fine	71 \| fine	24.536 \| good	0.685 \| good	6.809 \| good	0.367 \| good
2026-01-22T07:00:00.000Z	69 \| moderate	18.5 \| fine	81 \| fine	25.704 \| good	0.643 \| good	6.092 \| good	0.328 \| good
2026-01-22T08:00:00.000Z	64 \| moderate	16.2 \| fine	73 \| fine	23.18 \| good	0.833 \| good	6.007 \| good	0.308 \| good
2026-01-22T09:00:00.000Z	60 \| moderate	14 \| fine	63 \| fine	22.524 \| good	0.8 \| good	5.805 \| good	0.308 \| good
2026-01-22T10:00:00.000Z	56 \| moderate	12.4 \| fine	57 \| fine	20.884 \| good	0.895 \| good	5.889 \| good	0.327 \| good
2026-01-22T11:00:00.000Z	52 \| moderate	10.4 \| good	46 \| good	18.201 \| good	0.708 \| good	4.962 \| good	0.347 \| good
2026-01-22T12:00:00.000Z	54 \| moderate	11.2 \| good	50 \| good	18.832 \| good	0.798 \| good	5.125 \| good	0.328 \| good
2026-01-22T13:00:00.000Z	58 \| moderate	12.7 \| fine	57 \| fine	15.445 \| good	0.983 \| good	5.099 \| good	0.367 \| good
2026-01-22T14:00:00.000Z	62 \| moderate	14.9 \| fine	67 \| fine	18.22 \| good	1.161 \| good	6.545 \| good	0.443 \| good
2026-01-22T15:00:00.000Z	62 \| moderate	15.1 \| fine	67 \| fine	19.964 \| good	1.682 \| good	8.212 \| good	0.558 \| good
2026-01-22T16:00:00.000Z	60 \| moderate	13.7 \| fine	61 \| fine	21.973 \| good	2.023 \| good	8.151 \| good	0.672 \| good
2026-01-22T17:00:00.000Z	54 \| moderate	10.7 \| good	48 \| good	22.042 \| good	2.136 \| good	7.014 \| good	0.734 \| good
2026-01-22T18:00:00.000Z	44 \| good	8.3 \| good	37 \| good	24.868 \| good	1.077 \| good	6.408 \| good	0.46 \| good
2026-01-22T19:00:00.000Z	38 \| good	6.5 \| good	29 \| good	26.797 \| good	0.799 \| good	7.071 \| good	0.29 \| good
2026-01-22T20:00:00.000Z	33 \| good	5.5 \| good	24 \| good	26.205 \| good	0.747 \| good	6.303 \| good	0.291 \| good
2026-01-22T21:00:00.000Z	27 \| good	5.1 \| good	22 \| good	28.821 \| good	0.871 \| good	4.854 \| good	0.252 \| good
2026-01-22T22:00:00.000Z	29 \| good	5.4 \| good	23 \| good	31.259 \| good	0.793 \| good	5.521 \| good	0.252 \| good
2026-01-22T23:00:00.000Z	29 \| good	5.4 \| good	23 \| good	31.064 \| good	0.908 \| good	5.106 \| good	0.252 \| good
2026-01-23T00:00:00.000Z	38 \| good	6.7 \| good	30 \| good	30.545 \| good	0.707 \| good	4.456 \| good	0.214 \| good
2026-01-23T01:00:00.000Z	38 \| good	7.2 \| good	32 \| good	31.696 \| good	0.668 \| good	8.586 \| good	0.214 \| good
2026-01-23T02:00:00.000Z	44 \| good	8.2 \| good	36 \| good	30.137 \| good	0.751 \| good	13.455 \| good	0.253 \| good
2026-01-23T03:00:00.000Z	54 \| moderate	11.3 \| good	50 \| good	28.102 \| good	0.924 \| good	10.27 \| good	0.386 \| good
2026-01-23T04:00:00.000Z	64 \| moderate	16.4 \| fine	73 \| fine	20.282 \| good	1.185 \| good	6.975 \| good	0.48 \| good
2026-01-23T04:00:00.000Z	64 \| moderate	16.375 \| fine	72.724 \| fine	20.319 \| good	1.185 \| good	6.976 \| good	0.478 \| good
2026-01-23T05:00:00.000Z	69 \| moderate	19.168 \| fine	84.689 \| fine	23.799 \| good	0.77 \| good	6.655 \| good	0.184 \| good
2026-01-23T06:00:00.000Z	62 \| moderate	14.532 \| fine	64.976 \| fine	25.913 \| good	0.783 \| good	6.732 \| good	0.185 \| good
2026-01-23T07:00:00.000Z	52 \| moderate	10.101 \| good	44.79 \| good	24.361 \| good	0.756 \| good	6.289 \| good	0.18 \| good
2026-01-23T08:00:00.000Z	56 \| moderate	11.524 \| good	50.87 \| good	22.972 \| good	0.729 \| good	5.845 \| good	0.176 \| good
2026-01-23T09:00:00.000Z	54 \| moderate	11.059 \| good	48.896 \| good	20.588 \| good	0.702 \| good	5.402 \| good	0.172 \| good
2026-01-23T10:00:00.000Z	52 \| moderate	10.311 \| good	45.608 \| good	21.723 \| good	0.66 \| good	4.706 \| good	0.166 \| good
2026-01-23T11:00:00.000Z	52 \| moderate	9.812 \| good	43.635 \| good	21.565 \| good	0.618 \| good	4.009 \| good	0.159 \| good
2026-01-23T12:00:00.000Z	49 \| good	8.713 \| good	38.182 \| good	19.107 \| good	0.577 \| good	3.313 \| good	0.153 \| good
2026-01-23T13:00:00.000Z	52 \| moderate	9.805 \| good	43.873 \| good	17.306 \| good	0.563 \| good	3.271 \| good	0.152 \| good
2026-01-23T14:00:00.000Z	49 \| good	9.434 \| good	42.155 \| good	16.348 \| good	0.549 \| good	3.23 \| good	0.152 \| good
2026-01-23T15:00:00.000Z	52 \| moderate	9.828 \| good	43.795 \| good	17.316 \| good	0.536 \| good	3.188 \| good	0.151 \| good
2026-01-23T16:00:00.000Z	52 \| moderate	9.762 \| good	43.577 \| good	16.639 \| good	0.567 \| good	2.772 \| good	0.146 \| good
2026-01-23T17:00:00.000Z	49 \| good	9.273 \| good	41.377 \| good	20.298 \| good	0.598 \| good	2.355 \| good	0.141 \| good
2026-01-23T18:00:00.000Z	49 \| good	9.066 \| good	40.098 \| good	25.229 \| good	0.629 \| good	1.939 \| good	0.136 \| good
2026-01-23T19:00:00.000Z	38 \| good	6.517 \| good	28.779 \| good	30.156 \| good	0.821 \| good	1.764 \| good	0.133 \| good
2026-01-23T20:00:00.000Z	33 \| good	5.771 \| good	25.046 \| good	30.78 \| good	1.012 \| good	1.59 \| good	0.13 \| good
2026-01-23T21:00:00.000Z	28 \| good	5.483 \| good	23.647 \| good	30.149 \| good	1.204 \| good	1.415 \| good	0.127 \| good
2026-01-23T22:00:00.000Z	33 \| good	5.956 \| good	26.379 \| good	28.756 \| good	1.279 \| good	1.885 \| good	0.131 \| good
2026-01-23T23:00:00.000Z	33 \| good	5.883 \| good	26.245 \| good	30.826 \| good	1.354 \| good	2.355 \| good	0.135 \| good
2026-01-24T00:00:00.000Z	27 \| good	4.513 \| good	19.854 \| good	27.966 \| good	1.429 \| good	2.825 \| good	0.139 \| good
2026-01-24T01:00:00.000Z	33 \| good	5.659 \| good	24.564 \| good	27.274 \| good	1.382 \| good	3.794 \| good	0.15 \| good
2026-01-24T02:00:00.000Z	38 \| good	7.026 \| good	31.083 \| good	29.048 \| good	1.335 \| good	4.762 \| good	0.16 \| good
2026-01-24T03:00:00.000Z	49 \| good	8.958 \| good	39.961 \| good	29.426 \| good	1.288 \| good	5.73 \| good	0.171 \| good
2026-01-24T04:00:00.000Z	62 \| moderate	14.931 \| fine	66.458 \| fine	30.108 \| good	1.28 \| good	5.713 \| good	0.172 \| good
2026-01-24T05:00:00.000Z	60 \| moderate	14.34 \| fine	64.286 \| fine	28.318 \| good	1.273 \| good	5.696 \| good	0.173 \| good
2026-01-24T06:00:00.000Z	56 \| moderate	12.284 \| fine	55.241 \| fine	32.408 \| good	1.265 \| good	5.678 \| good	0.174 \| good
2026-01-24T07:00:00.000Z	52 \| moderate	9.696 \| good	43.138 \| good	34.548 \| good	1.246 \| good	4.989 \| good	0.169 \| good
2026-01-24T08:00:00.000Z	33 \| good	6.464 \| good	28.862 \| good	31.947 \| good	1.227 \| good	4.301 \| good	0.163 \| good
2026-01-24T09:00:00.000Z	33 \| good	6.134 \| good	27.301 \| good	29.127 \| good	1.208 \| good	3.612 \| good	0.158 \| good
2026-01-24T10:00:00.000Z	33 \| good	6.364 \| good	28.243 \| good	28.882 \| good	1.096 \| good	3.144 \| good	0.153 \| good
2026-01-24T11:00:00.000Z	38 \| good	7.167 \| good	31.755 \| good	28.429 \| good	0.984 \| good	2.676 \| good	0.149 \| good
2026-01-24T12:00:00.000Z	44 \| good	8.468 \| good	37.133 \| good	25.299 \| good	0.873 \| good	2.207 \| good	0.144 \| good
2026-01-24T13:00:00.000Z	49 \| good	9.283 \| good	41.365 \| good	26.299 \| good	0.732 \| good	2.328 \| good	0.147 \| good
2026-01-24T14:00:00.000Z	52 \| moderate	9.574 \| good	42.729 \| good	24.45 \| good	0.592 \| good	2.449 \| good	0.15 \| good
2026-01-24T15:00:00.000Z	49 \| good	9.041 \| good	40.285 \| good	25.043 \| good	0.451 \| good	2.57 \| good	0.152 \| good
2026-01-24T16:00:00.000Z	44 \| good	7.539 \| good	33.103 \| good	25.779 \| good	0.397 \| good	2.018 \| good	0.151 \| good
2026-01-24T17:00:00.000Z	33 \| good	6.049 \| good	26.936 \| good	27.559 \| good	0.344 \| good	1.466 \| good	0.15 \| good
2026-01-24T18:00:00.000Z	33 \| good	6.209 \| good	27.539 \| good	31.108 \| good	0.29 \| good	0.915 \| good	0.149 \| good
2026-01-24T19:00:00.000Z	32 \| good	5.064 \| good	21.913 \| good	34.523 \| good	0.252 \| good	0.772 \| good	0.147 \| good
2026-01-24T20:00:00.000Z	32 \| good	4.214 \| good	18.238 \| good	34.531 \| good	0.214 \| good	0.629 \| good	0.145 \| good
2026-01-24T21:00:00.000Z	34 \| good	3.451 \| good	15.096 \| good	36.783 \| good	0.176 \| good	0.487 \| good	0.143 \| good
2026-01-24T22:00:00.000Z	35 \| good	2.947 \| good	12.322 \| good	37.793 \| good	0.178 \| good	0.663 \| good	0.143 \| good
2026-01-24T23:00:00.000Z	34 \| good	1.755 \| good	6.94 \| good	36.598 \| good	0.18 \| good	0.84 \| good	0.143 \| good
2026-01-25T00:00:00.000Z	42 \| good	2.966 \| good	3.276 \| good	44.8 \| good	0.182 \| good	1.015 \| good	0.143 \| good
2026-01-25T01:00:00.000Z	31 \| good	3.547 \| good	15.425 \| good	32.567 \| good	0.179 \| good	1.471 \| good	0.147 \| good
2026-01-25T02:00:00.000Z	33 \| good	6.016 \| good	26.878 \| good	32.099 \| good	0.176 \| good	1.925 \| good	0.151 \| good
2026-01-25T03:00:00.000Z	38 \| good	6.976 \| good	31.046 \| good	31.378 \| good	0.173 \| good	2.379 \| good	0.155 \| good
2026-01-25T04:00:00.000Z	54 \| moderate	11.451 \| good	50.66 \| good	29.512 \| good	0.171 \| good	2.335 \| good	0.155 \| good

Grand Junction

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Grand Junction, Colorado

0.47ppm

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 Grand Junction, Colorado get updated?

Air quality updates for Grand Junction, Colorado are available every hour.

What time in the past 24 hours saw the poorest air quality in Grand Junction, Colorado?

Grand Junction, Colorado experienced its worst air quality at 07:00:00, 2026-01-22.

When was air quality in Grand Junction, Colorado the best over the past 24 hours?

The best air quality in Grand Junction, Colorado was observed at 09:00:00 on 2026-01-22.

What is the air quality in Grand Junction, Colorado right now?

The air quality in Grand Junction, Colorado right now is Moderate, with an AQI of 64.

What pollutant is most frequently found in Grand Junction, Colorado?

In Grand Junction, Colorado, PM2.5 is the most frequently found pollutant.

What can I do if the air quality in Grand Junction, Colorado is poor?

When air quality in Grand Junction, Colorado is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in Grand Junction, Colorado right now?

Grand Junction, Colorado currently has a PM_2.5 concentration of 16.375 μg/m³.

What is the current level of PM₁₀ in Grand Junction, Colorado?

Grand Junction, Colorado currently has a PM₁₀ concentration of 72.724 μg/m³.

What is the current level of carbon monoxide (CO) in Grand Junction, Colorado?

The current carbon monoxide (CO) level in Grand Junction, Colorado is 0.478 ppm.

What is the current level of sulfur dioxide (SO₂) in Grand Junction, Colorado?

The current sulfur dioxide (SO₂) concentration in Grand Junction, Colorado is 1.185 ppb.

What is the current level of ozone (O₃) in Grand Junction, Colorado?

Grand Junction, Colorado currently has an ozone (O₃) concentration of 20.319 ppm.

What is the current level of nitrogen dioxide (NO₂) in Grand Junction, Colorado?

The current level of nitrogen dioxide (NO₂) in Grand Junction, Colorado is 6.976 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-21T05:00:00.000Z	52 \| moderate	10.2 \| good	45 \| good	24.078 \| good	0.579 \| good	8.558 \| good	0.315 \| good
2026-01-21T06:00:00.000Z	58 \| moderate	12.8 \| fine	57 \| fine	22.418 \| good	0.906 \| good	8.509 \| good	0.312 \| good
2026-01-21T07:00:00.000Z	60 \| moderate	13.5 \| fine	61 \| fine	22.73 \| good	0.524 \| good	8.355 \| good	0.313 \| good
2026-01-21T08:00:00.000Z	54 \| moderate	10.9 \| good	48 \| good	19.06 \| good	0.432 \| good	8.436 \| good	0.232 \| good
2026-01-21T09:00:00.000Z	49 \| good	9.3 \| good	42 \| good	19.529 \| good	0.823 \| good	8.292 \| good	0.272 \| good
2026-01-21T10:00:00.000Z	44 \| good	8.3 \| good	37 \| good	18.622 \| good	0.521 \| good	8.623 \| good	0.333 \| good
2026-01-21T11:00:00.000Z	38 \| good	7.1 \| good	32 \| good	17.36 \| good	0.617 \| good	8.773 \| good	0.334 \| good
2026-01-21T12:00:00.000Z	38 \| good	6.8 \| good	30 \| good	20.878 \| good	0.656 \| good	8.383 \| good	0.272 \| good
2026-01-21T13:00:00.000Z	33 \| good	6.2 \| good	28 \| good	20.435 \| good	0.6 \| good	8.538 \| good	0.313 \| good
2026-01-21T14:00:00.000Z	33 \| good	5.7 \| good	25 \| good	17.904 \| good	1.061 \| good	8.864 \| good	0.366 \| good
2026-01-21T15:00:00.000Z	33 \| good	5.6 \| good	24 \| good	19.189 \| good	1.305 \| good	8.209 \| good	0.576 \| good
2026-01-21T16:00:00.000Z	27 \| good	5.3 \| good	23 \| good	20.536 \| good	1.706 \| good	8.696 \| good	0.73 \| good
2026-01-21T17:00:00.000Z	27 \| good	4.5 \| good	20 \| good	23.992 \| good	2.201 \| good	9.219 \| good	0.693 \| good
2026-01-21T18:00:00.000Z	24 \| good	4 \| good	18 \| good	26.061 \| good	1.462 \| good	6.544 \| good	0.462 \| good
2026-01-21T19:00:00.000Z	28 \| good	3.2 \| good	14 \| good	30.356 \| good	1.365 \| good	5.839 \| good	0.27 \| good
2026-01-21T20:00:00.000Z	30 \| good	2.7 \| good	11 \| good	32.167 \| good	0.788 \| good	4.372 \| good	0.194 \| good
2026-01-21T21:00:00.000Z	31 \| good	2.8 \| good	12 \| good	34.201 \| good	0.49 \| good	4.382 \| good	0.176 \| good
2026-01-21T22:00:00.000Z	35 \| good	2.8 \| good	12 \| good	38.408 \| good	0.457 \| good	3.191 \| good	0.176 \| good
2026-01-21T23:00:00.000Z	33 \| good	3.3 \| good	15 \| good	36.137 \| good	0.66 \| good	3.268 \| good	0.195 \| good
2026-01-22T00:00:00.000Z	34 \| good	3.6 \| good	16 \| good	36.828 \| good	0.616 \| good	3.807 \| good	0.254 \| good
2026-01-22T01:00:00.000Z	31 \| good	4.3 \| good	19 \| good	33.723 \| good	0.693 \| good	7.909 \| good	0.271 \| good
2026-01-22T02:00:00.000Z	32 \| good	4.5 \| good	20 \| good	34.571 \| good	0.515 \| good	10.162 \| good	0.272 \| good
2026-01-22T03:00:00.000Z	49 \| good	9.2 \| good	41 \| good	33.954 \| good	0.621 \| good	8.099 \| good	0.273 \| good
2026-01-22T04:00:00.000Z	58 \| moderate	13 \| fine	59 \| fine	26.895 \| good	0.561 \| good	6.865 \| good	0.272 \| good
2026-01-22T05:00:00.000Z	64 \| moderate	16 \| fine	71 \| fine	26.763 \| good	0.65 \| good	7.286 \| good	0.308 \| good
2026-01-22T06:00:00.000Z	64 \| moderate	16.1 \| fine	71 \| fine	24.536 \| good	0.685 \| good	6.809 \| good	0.367 \| good
2026-01-22T07:00:00.000Z	69 \| moderate	18.5 \| fine	81 \| fine	25.704 \| good	0.643 \| good	6.092 \| good	0.328 \| good
2026-01-22T08:00:00.000Z	64 \| moderate	16.2 \| fine	73 \| fine	23.18 \| good	0.833 \| good	6.007 \| good	0.308 \| good
2026-01-22T09:00:00.000Z	60 \| moderate	14 \| fine	63 \| fine	22.524 \| good	0.8 \| good	5.805 \| good	0.308 \| good
2026-01-22T10:00:00.000Z	56 \| moderate	12.4 \| fine	57 \| fine	20.884 \| good	0.895 \| good	5.889 \| good	0.327 \| good
2026-01-22T11:00:00.000Z	52 \| moderate	10.4 \| good	46 \| good	18.201 \| good	0.708 \| good	4.962 \| good	0.347 \| good
2026-01-22T12:00:00.000Z	54 \| moderate	11.2 \| good	50 \| good	18.832 \| good	0.798 \| good	5.125 \| good	0.328 \| good
2026-01-22T13:00:00.000Z	58 \| moderate	12.7 \| fine	57 \| fine	15.445 \| good	0.983 \| good	5.099 \| good	0.367 \| good
2026-01-22T14:00:00.000Z	62 \| moderate	14.9 \| fine	67 \| fine	18.22 \| good	1.161 \| good	6.545 \| good	0.443 \| good
2026-01-22T15:00:00.000Z	62 \| moderate	15.1 \| fine	67 \| fine	19.964 \| good	1.682 \| good	8.212 \| good	0.558 \| good
2026-01-22T16:00:00.000Z	60 \| moderate	13.7 \| fine	61 \| fine	21.973 \| good	2.023 \| good	8.151 \| good	0.672 \| good
2026-01-22T17:00:00.000Z	54 \| moderate	10.7 \| good	48 \| good	22.042 \| good	2.136 \| good	7.014 \| good	0.734 \| good
2026-01-22T18:00:00.000Z	44 \| good	8.3 \| good	37 \| good	24.868 \| good	1.077 \| good	6.408 \| good	0.46 \| good
2026-01-22T19:00:00.000Z	38 \| good	6.5 \| good	29 \| good	26.797 \| good	0.799 \| good	7.071 \| good	0.29 \| good
2026-01-22T20:00:00.000Z	33 \| good	5.5 \| good	24 \| good	26.205 \| good	0.747 \| good	6.303 \| good	0.291 \| good
2026-01-22T21:00:00.000Z	27 \| good	5.1 \| good	22 \| good	28.821 \| good	0.871 \| good	4.854 \| good	0.252 \| good
2026-01-22T22:00:00.000Z	29 \| good	5.4 \| good	23 \| good	31.259 \| good	0.793 \| good	5.521 \| good	0.252 \| good
2026-01-22T23:00:00.000Z	29 \| good	5.4 \| good	23 \| good	31.064 \| good	0.908 \| good	5.106 \| good	0.252 \| good
2026-01-23T00:00:00.000Z	38 \| good	6.7 \| good	30 \| good	30.545 \| good	0.707 \| good	4.456 \| good	0.214 \| good
2026-01-23T01:00:00.000Z	38 \| good	7.2 \| good	32 \| good	31.696 \| good	0.668 \| good	8.586 \| good	0.214 \| good
2026-01-23T02:00:00.000Z	44 \| good	8.2 \| good	36 \| good	30.137 \| good	0.751 \| good	13.455 \| good	0.253 \| good
2026-01-23T03:00:00.000Z	54 \| moderate	11.3 \| good	50 \| good	28.102 \| good	0.924 \| good	10.27 \| good	0.386 \| good
2026-01-23T04:00:00.000Z	64 \| moderate	16.4 \| fine	73 \| fine	20.282 \| good	1.185 \| good	6.975 \| good	0.48 \| good
2026-01-23T04:00:00.000Z	64 \| moderate	16.375 \| fine	72.724 \| fine	20.319 \| good	1.185 \| good	6.976 \| good	0.478 \| good
2026-01-23T05:00:00.000Z	69 \| moderate	19.168 \| fine	84.689 \| fine	23.799 \| good	0.77 \| good	6.655 \| good	0.184 \| good
2026-01-23T06:00:00.000Z	62 \| moderate	14.532 \| fine	64.976 \| fine	25.913 \| good	0.783 \| good	6.732 \| good	0.185 \| good
2026-01-23T07:00:00.000Z	52 \| moderate	10.101 \| good	44.79 \| good	24.361 \| good	0.756 \| good	6.289 \| good	0.18 \| good
2026-01-23T08:00:00.000Z	56 \| moderate	11.524 \| good	50.87 \| good	22.972 \| good	0.729 \| good	5.845 \| good	0.176 \| good
2026-01-23T09:00:00.000Z	54 \| moderate	11.059 \| good	48.896 \| good	20.588 \| good	0.702 \| good	5.402 \| good	0.172 \| good
2026-01-23T10:00:00.000Z	52 \| moderate	10.311 \| good	45.608 \| good	21.723 \| good	0.66 \| good	4.706 \| good	0.166 \| good
2026-01-23T11:00:00.000Z	52 \| moderate	9.812 \| good	43.635 \| good	21.565 \| good	0.618 \| good	4.009 \| good	0.159 \| good
2026-01-23T12:00:00.000Z	49 \| good	8.713 \| good	38.182 \| good	19.107 \| good	0.577 \| good	3.313 \| good	0.153 \| good
2026-01-23T13:00:00.000Z	52 \| moderate	9.805 \| good	43.873 \| good	17.306 \| good	0.563 \| good	3.271 \| good	0.152 \| good
2026-01-23T14:00:00.000Z	49 \| good	9.434 \| good	42.155 \| good	16.348 \| good	0.549 \| good	3.23 \| good	0.152 \| good
2026-01-23T15:00:00.000Z	52 \| moderate	9.828 \| good	43.795 \| good	17.316 \| good	0.536 \| good	3.188 \| good	0.151 \| good
2026-01-23T16:00:00.000Z	52 \| moderate	9.762 \| good	43.577 \| good	16.639 \| good	0.567 \| good	2.772 \| good	0.146 \| good
2026-01-23T17:00:00.000Z	49 \| good	9.273 \| good	41.377 \| good	20.298 \| good	0.598 \| good	2.355 \| good	0.141 \| good
2026-01-23T18:00:00.000Z	49 \| good	9.066 \| good	40.098 \| good	25.229 \| good	0.629 \| good	1.939 \| good	0.136 \| good
2026-01-23T19:00:00.000Z	38 \| good	6.517 \| good	28.779 \| good	30.156 \| good	0.821 \| good	1.764 \| good	0.133 \| good
2026-01-23T20:00:00.000Z	33 \| good	5.771 \| good	25.046 \| good	30.78 \| good	1.012 \| good	1.59 \| good	0.13 \| good
2026-01-23T21:00:00.000Z	28 \| good	5.483 \| good	23.647 \| good	30.149 \| good	1.204 \| good	1.415 \| good	0.127 \| good
2026-01-23T22:00:00.000Z	33 \| good	5.956 \| good	26.379 \| good	28.756 \| good	1.279 \| good	1.885 \| good	0.131 \| good
2026-01-23T23:00:00.000Z	33 \| good	5.883 \| good	26.245 \| good	30.826 \| good	1.354 \| good	2.355 \| good	0.135 \| good
2026-01-24T00:00:00.000Z	27 \| good	4.513 \| good	19.854 \| good	27.966 \| good	1.429 \| good	2.825 \| good	0.139 \| good
2026-01-24T01:00:00.000Z	33 \| good	5.659 \| good	24.564 \| good	27.274 \| good	1.382 \| good	3.794 \| good	0.15 \| good
2026-01-24T02:00:00.000Z	38 \| good	7.026 \| good	31.083 \| good	29.048 \| good	1.335 \| good	4.762 \| good	0.16 \| good
2026-01-24T03:00:00.000Z	49 \| good	8.958 \| good	39.961 \| good	29.426 \| good	1.288 \| good	5.73 \| good	0.171 \| good
2026-01-24T04:00:00.000Z	62 \| moderate	14.931 \| fine	66.458 \| fine	30.108 \| good	1.28 \| good	5.713 \| good	0.172 \| good
2026-01-24T05:00:00.000Z	60 \| moderate	14.34 \| fine	64.286 \| fine	28.318 \| good	1.273 \| good	5.696 \| good	0.173 \| good
2026-01-24T06:00:00.000Z	56 \| moderate	12.284 \| fine	55.241 \| fine	32.408 \| good	1.265 \| good	5.678 \| good	0.174 \| good
2026-01-24T07:00:00.000Z	52 \| moderate	9.696 \| good	43.138 \| good	34.548 \| good	1.246 \| good	4.989 \| good	0.169 \| good
2026-01-24T08:00:00.000Z	33 \| good	6.464 \| good	28.862 \| good	31.947 \| good	1.227 \| good	4.301 \| good	0.163 \| good
2026-01-24T09:00:00.000Z	33 \| good	6.134 \| good	27.301 \| good	29.127 \| good	1.208 \| good	3.612 \| good	0.158 \| good
2026-01-24T10:00:00.000Z	33 \| good	6.364 \| good	28.243 \| good	28.882 \| good	1.096 \| good	3.144 \| good	0.153 \| good
2026-01-24T11:00:00.000Z	38 \| good	7.167 \| good	31.755 \| good	28.429 \| good	0.984 \| good	2.676 \| good	0.149 \| good
2026-01-24T12:00:00.000Z	44 \| good	8.468 \| good	37.133 \| good	25.299 \| good	0.873 \| good	2.207 \| good	0.144 \| good
2026-01-24T13:00:00.000Z	49 \| good	9.283 \| good	41.365 \| good	26.299 \| good	0.732 \| good	2.328 \| good	0.147 \| good
2026-01-24T14:00:00.000Z	52 \| moderate	9.574 \| good	42.729 \| good	24.45 \| good	0.592 \| good	2.449 \| good	0.15 \| good
2026-01-24T15:00:00.000Z	49 \| good	9.041 \| good	40.285 \| good	25.043 \| good	0.451 \| good	2.57 \| good	0.152 \| good
2026-01-24T16:00:00.000Z	44 \| good	7.539 \| good	33.103 \| good	25.779 \| good	0.397 \| good	2.018 \| good	0.151 \| good
2026-01-24T17:00:00.000Z	33 \| good	6.049 \| good	26.936 \| good	27.559 \| good	0.344 \| good	1.466 \| good	0.15 \| good
2026-01-24T18:00:00.000Z	33 \| good	6.209 \| good	27.539 \| good	31.108 \| good	0.29 \| good	0.915 \| good	0.149 \| good
2026-01-24T19:00:00.000Z	32 \| good	5.064 \| good	21.913 \| good	34.523 \| good	0.252 \| good	0.772 \| good	0.147 \| good
2026-01-24T20:00:00.000Z	32 \| good	4.214 \| good	18.238 \| good	34.531 \| good	0.214 \| good	0.629 \| good	0.145 \| good
2026-01-24T21:00:00.000Z	34 \| good	3.451 \| good	15.096 \| good	36.783 \| good	0.176 \| good	0.487 \| good	0.143 \| good
2026-01-24T22:00:00.000Z	35 \| good	2.947 \| good	12.322 \| good	37.793 \| good	0.178 \| good	0.663 \| good	0.143 \| good
2026-01-24T23:00:00.000Z	34 \| good	1.755 \| good	6.94 \| good	36.598 \| good	0.18 \| good	0.84 \| good	0.143 \| good
2026-01-25T00:00:00.000Z	42 \| good	2.966 \| good	3.276 \| good	44.8 \| good	0.182 \| good	1.015 \| good	0.143 \| good
2026-01-25T01:00:00.000Z	31 \| good	3.547 \| good	15.425 \| good	32.567 \| good	0.179 \| good	1.471 \| good	0.147 \| good
2026-01-25T02:00:00.000Z	33 \| good	6.016 \| good	26.878 \| good	32.099 \| good	0.176 \| good	1.925 \| good	0.151 \| good
2026-01-25T03:00:00.000Z	38 \| good	6.976 \| good	31.046 \| good	31.378 \| good	0.173 \| good	2.379 \| good	0.155 \| good
2026-01-25T04:00:00.000Z	54 \| moderate	11.451 \| good	50.66 \| good	29.512 \| good	0.171 \| good	2.335 \| good	0.155 \| good

Current air quality index in Grand Junction, Colorado today

Common air pollutants in Grand Junction, Colorado

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Real-time air quality map: Monitor AQI near Grand Junction, Colorado

Air quality in nearby cities

Clifton, Colorado

Fruita, Colorado

Rifle, Colorado

Montrose, Colorado

Glenwood Springs, Colorado

Vernal, Utah

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Frequently asked questions

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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