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

Grand Junction, Colorado currently has a PM10 concentration of 13.78 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 0.717 ppb.

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

Grand Junction, Colorado currently has an ozone (O3) concentration of 50.376 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 1.21 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 3.963 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)

Good

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)

3.96 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

13.78 μg/m³

155

255

425

605+

Ozone (O₃)

50.38 ppb

201

201+

Sulfur Dioxide (SO₂)

0.72 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.21 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 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
2026-07-21T23:00:00.000Z	90 \| moderate	4.913 \| good	35.019 \| good	67.324 \| fine	0.639 \| good	1.179 \| good	0.162 \| good
2026-07-22T00:00:00.000Z	77 \| moderate	4.105 \| good	23.436 \| good	62.857 \| fine	0.658 \| good	1.033 \| good	0.162 \| good
2026-07-22T01:00:00.000Z	71 \| moderate	3.339 \| good	17.872 \| good	61.471 \| fine	0.791 \| good	1.143 \| good	0.162 \| good
2026-07-22T02:00:00.000Z	74 \| moderate	7.107 \| good	25.994 \| good	62.364 \| fine	0.562 \| good	1.749 \| good	0.22 \| good
2026-07-22T03:00:00.000Z	51 \| moderate	4.115 \| good	20.049 \| good	54.553 \| good	0.543 \| good	1.804 \| good	0.277 \| good
2026-07-22T04:00:00.000Z	42 \| good	4.201 \| good	16.617 \| good	44.956 \| good	0.563 \| good	2.531 \| good	0.258 \| good
2026-07-22T05:00:00.000Z	49 \| good	3.828 \| good	21.924 \| good	52.544 \| good	0.621 \| good	1.95 \| good	0.22 \| good
2026-07-22T06:00:00.000Z	51 \| moderate	4.325 \| good	18.454 \| good	55.249 \| fine	0.561 \| good	1.564 \| good	0.2 \| good
2026-07-22T07:00:00.000Z	51 \| moderate	4.445 \| good	20.284 \| good	54.65 \| good	0.582 \| good	1.51 \| good	0.219 \| good
2026-07-22T08:00:00.000Z	51 \| moderate	4.348 \| good	13.797 \| good	54.615 \| good	0.563 \| good	2.077 \| good	0.2 \| good
2026-07-22T09:00:00.000Z	45 \| good	5.724 \| good	26.315 \| good	49.396 \| good	0.486 \| good	2.026 \| good	0.181 \| good
2026-07-22T10:00:00.000Z	45 \| good	5.968 \| good	23.474 \| good	48.635 \| good	0.505 \| good	2.987 \| good	0.162 \| good
2026-07-22T11:00:00.000Z	35 \| good	4.068 \| good	19.82 \| good	38.195 \| good	0.583 \| good	2.89 \| good	0.181 \| good
2026-07-22T12:00:00.000Z	42 \| good	4.471 \| good	13.473 \| good	44.694 \| good	0.544 \| good	3.498 \| good	0.22 \| good
2026-07-22T13:00:00.000Z	41 \| good	3.505 \| good	10.938 \| good	43.771 \| good	0.544 \| good	3.887 \| good	0.239 \| good
2026-07-22T14:00:00.000Z	39 \| good	5.067 \| good	18.741 \| good	42.111 \| good	0.678 \| good	5.869 \| good	0.297 \| good
2026-07-22T15:00:00.000Z	42 \| good	5.694 \| good	23.924 \| good	44.968 \| good	0.91 \| good	5.302 \| good	0.278 \| good
2026-07-22T16:00:00.000Z	41 \| good	5.488 \| good	24.664 \| good	43.96 \| good	0.64 \| good	3.653 \| good	0.277 \| good
2026-07-22T17:00:00.000Z	47 \| good	5.866 \| good	20.614 \| good	51.401 \| good	0.776 \| good	3.309 \| good	0.276 \| good
2026-07-22T18:00:00.000Z	48 \| good	5.339 \| good	31.037 \| good	51.915 \| good	0.775 \| good	2.757 \| good	0.238 \| good
2026-07-22T19:00:00.000Z	54 \| moderate	3.731 \| good	26.314 \| good	55.563 \| fine	0.679 \| good	2.321 \| good	0.181 \| good
2026-07-22T20:00:00.000Z	61 \| moderate	2.929 \| good	17.99 \| good	57.822 \| fine	0.602 \| good	2.09 \| good	0.18 \| good
2026-07-22T21:00:00.000Z	64 \| moderate	3.075 \| good	15.549 \| good	58.725 \| fine	0.622 \| good	2.222 \| good	0.239 \| good
2026-07-22T22:00:00.000Z	74 \| moderate	3.002 \| good	14.505 \| good	61.811 \| fine	0.659 \| good	2.036 \| good	0.258 \| good
2026-07-22T23:00:00.000Z	67 \| moderate	3.796 \| good	8.345 \| good	60.013 \| fine	0.601 \| good	2.202 \| good	0.162 \| good
2026-07-23T00:00:00.000Z	67 \| moderate	2.489 \| good	9.567 \| good	60.387 \| fine	0.638 \| good	2.173 \| good	0.181 \| good
2026-07-23T01:00:00.000Z	61 \| moderate	3.796 \| good	19.931 \| good	58.426 \| fine	0.656 \| good	2.322 \| good	0.277 \| good
2026-07-23T02:00:00.000Z	51 \| moderate	3.76 \| good	23.579 \| good	55.36 \| fine	0.639 \| good	1.834 \| good	0.296 \| good
2026-07-23T03:00:00.000Z	44 \| good	0.323 \| good	1 \| good	48.422 \| good	0.085 \| good	1.479 \| good	0.098 \| good
2026-07-23T04:00:00.000Z	49 \| good	3.1 \| good	12.705 \| good	53.495 \| good	0.657 \| good	1.658 \| good	0.257 \| good
2026-07-23T05:00:00.000Z	43 \| good	2.995 \| good	14.905 \| good	46.298 \| good	0.563 \| good	2.033 \| good	0.199 \| good
2026-07-23T06:00:00.000Z	48 \| good	4.537 \| good	15.201 \| good	51.957 \| good	0.543 \| good	2.402 \| good	0.2 \| good
2026-07-23T07:00:00.000Z	43 \| good	3.717 \| good	14.416 \| good	45.913 \| good	0.488 \| good	2.645 \| good	0.2 \| good
2026-07-23T08:00:00.000Z	41 \| good	2.965 \| good	10.928 \| good	43.927 \| good	0.525 \| good	3.077 \| good	0.2 \| good
2026-07-23T09:00:00.000Z	39 \| good	2.863 \| good	7.638 \| good	41.984 \| good	0.621 \| good	3.451 \| good	0.2 \| good
2026-07-23T10:00:00.000Z	42 \| good	2.692 \| good	11.11 \| good	45.005 \| good	0.745 \| good	4.99 \| good	0.181 \| good
2026-07-23T11:00:00.000Z	30 \| good	2.533 \| good	11.584 \| good	32.168 \| good	0.622 \| good	5.281 \| good	0.181 \| good
2026-07-23T12:00:00.000Z	35 \| good	3.167 \| good	12.206 \| good	37.928 \| good	0.564 \| good	4.364 \| good	0.2 \| good
2026-07-23T13:00:00.000Z	24 \| good	2.69 \| good	15.542 \| good	25.84 \| good	0.621 \| good	6.244 \| good	0.316 \| good
2026-07-23T14:00:00.000Z	23 \| good	3.013 \| good	17.897 \| good	25.404 \| good	0.621 \| good	6.164 \| good	0.354 \| good
2026-07-23T15:00:00.000Z	21 \| good	3.291 \| good	16.702 \| good	23.354 \| good	0.621 \| good	4.626 \| good	0.315 \| good
2026-07-23T16:00:00.000Z	31 \| good	3.784 \| good	10.851 \| good	33.373 \| good	0.737 \| good	3.544 \| good	0.258 \| good
2026-07-23T17:00:00.000Z	42 \| good	3.764 \| good	11.025 \| good	44.804 \| good	0.756 \| good	2.581 \| good	0.218 \| good
2026-07-23T18:00:00.000Z	44 \| good	3.883 \| good	16.834 \| good	46.657 \| good	0.718 \| good	1.87 \| good	0.241 \| good
2026-07-23T19:00:00.000Z	48 \| good	3.887 \| good	13.638 \| good	52.341 \| good	0.756 \| good	1.611 \| good	0.186 \| good
2026-07-23T20:00:00.000Z	51 \| moderate	4.009 \| good	14.485 \| good	54.826 \| good	0.756 \| good	1.488 \| good	0.186 \| good
2026-07-23T21:00:00.000Z	48 \| good	3.954 \| good	13.783 \| good	52.213 \| good	0.717 \| good	1.21 \| good	0.2 \| good
2026-07-23T22:00:00.000Z	46 \| good	3.963 \| good	13.78 \| good	50.376 \| good	0.717 \| good	1.21 \| good	0.2 \| good
2026-07-23T23:00:00.000Z	64 \| moderate	2.989 \| good	12 \| good	58.67 \| fine	0.072 \| good	0.201 \| good	0.094 \| good
2026-07-24T00:00:00.000Z	61 \| moderate	0.308 \| good	1 \| good	57.758 \| fine	0.072 \| good	0.243 \| good	0.094 \| good
2026-07-24T01:00:00.000Z	61 \| moderate	0.423 \| good	1.627 \| good	57.994 \| fine	0.072 \| good	0.323 \| good	0.095 \| good
2026-07-24T02:00:00.000Z	48 \| good	0.476 \| good	1.76 \| good	52.424 \| good	0.073 \| good	0.696 \| good	0.097 \| good
2026-07-24T03:00:00.000Z	50 \| good	0.529 \| good	1.792 \| good	53.968 \| good	0.078 \| good	1.653 \| good	0.103 \| good
2026-07-24T04:00:00.000Z	44 \| good	0.515 \| good	2 \| good	47.922 \| good	0.089 \| good	2.232 \| good	0.106 \| good
2026-07-24T05:00:00.000Z	42 \| good	1.212 \| good	4.999 \| good	45.135 \| good	0.103 \| good	2.522 \| good	0.108 \| good
2026-07-24T06:00:00.000Z	40 \| good	1.309 \| good	5.186 \| good	42.899 \| good	0.121 \| good	2.937 \| good	0.111 \| good
2026-07-24T07:00:00.000Z	38 \| good	0.494 \| good	1.535 \| good	41.229 \| good	0.141 \| good	3.251 \| good	0.113 \| good
2026-07-24T08:00:00.000Z	35 \| good	4.026 \| good	17.973 \| good	38.492 \| good	0.161 \| good	3.489 \| good	0.114 \| good
2026-07-24T09:00:00.000Z	34 \| good	2.757 \| good	11.159 \| good	36.972 \| good	0.179 \| good	3.635 \| good	0.115 \| good
2026-07-24T10:00:00.000Z	33 \| good	1.729 \| good	7 \| good	35.538 \| good	0.195 \| good	3.773 \| good	0.115 \| good
2026-07-24T11:00:00.000Z	27 \| good	0.29 \| good	0.803 \| good	29.455 \| good	0.208 \| good	3.951 \| good	0.115 \| good
2026-07-24T12:00:00.000Z	27 \| good	3.209 \| good	13.96 \| good	29.005 \| good	0.219 \| good	4.087 \| good	0.115 \| good
2026-07-24T13:00:00.000Z	29 \| good	1.743 \| good	7.075 \| good	31.348 \| good	0.208 \| good	3.851 \| good	0.115 \| good
2026-07-24T14:00:00.000Z	37 \| good	1.517 \| good	6.159 \| good	40.33 \| good	0.193 \| good	2.762 \| good	0.115 \| good
2026-07-24T15:00:00.000Z	43 \| good	3.282 \| good	14.186 \| good	46.374 \| good	0.166 \| good	1.096 \| good	0.107 \| good
2026-07-24T16:00:00.000Z	48 \| good	2.719 \| good	11.159 \| good	51.903 \| good	0.139 \| good	0.488 \| good	0.102 \| good
2026-07-24T17:00:00.000Z	48 \| good	2.036 \| good	8.026 \| good	52.161 \| good	0.117 \| good	0.295 \| good	0.101 \| good
2026-07-24T18:00:00.000Z	54 \| moderate	2.407 \| good	9.887 \| good	56.336 \| fine	0.102 \| good	0.22 \| good	0.103 \| good
2026-07-24T19:00:00.000Z	58 \| moderate	4.768 \| good	20.829 \| good	56.763 \| fine	0.095 \| good	0.195 \| good	0.103 \| good
2026-07-24T20:00:00.000Z	61 \| moderate	5.374 \| good	22.973 \| good	57.867 \| fine	0.09 \| good	0.186 \| good	0.103 \| good
2026-07-24T21:00:00.000Z	61 \| moderate	4.924 \| good	21 \| good	58.164 \| fine	0.084 \| good	0.188 \| good	0.102 \| good
2026-07-24T22:00:00.000Z	54 \| moderate	3.94 \| good	16.973 \| good	56.304 \| fine	0.08 \| good	0.194 \| good	0.101 \| good
2026-07-24T23:00:00.000Z	58 \| moderate	3.169 \| good	13.946 \| good	57.124 \| fine	0.077 \| good	0.211 \| good	0.101 \| good
2026-07-25T00:00:00.000Z	54 \| moderate	0.757 \| good	2.832 \| good	56.144 \| fine	0.076 \| good	0.248 \| good	0.1 \| good
2026-07-25T01:00:00.000Z	64 \| moderate	0.909 \| good	3.749 \| good	58.749 \| fine	0.074 \| good	0.32 \| good	0.1 \| good
2026-07-25T02:00:00.000Z	49 \| good	0.968 \| good	3.973 \| good	53.396 \| good	0.074 \| good	0.797 \| good	0.103 \| good
2026-07-25T03:00:00.000Z	47 \| good	0.434 \| good	1.521 \| good	50.626 \| good	0.08 \| good	1.572 \| good	0.107 \| good
2026-07-25T04:00:00.000Z	44 \| good	0.473 \| good	1.711 \| good	47.356 \| good	0.088 \| good	1.855 \| good	0.109 \| good
2026-07-25T05:00:00.000Z	43 \| good	0.461 \| good	1.631 \| good	45.962 \| good	0.097 \| good	2.082 \| good	0.11 \| good
2026-07-25T06:00:00.000Z	42 \| good	0.448 \| good	1.383 \| good	44.877 \| good	0.108 \| good	2.311 \| good	0.112 \| good
2026-07-25T07:00:00.000Z	38 \| good	0.316 \| good	0.98 \| good	40.751 \| good	0.119 \| good	2.489 \| good	0.114 \| good
2026-07-25T08:00:00.000Z	33 \| good	0.338 \| good	1.033 \| good	36.35 \| good	0.131 \| good	2.643 \| good	0.115 \| good
2026-07-25T09:00:00.000Z	32 \| good	0.383 \| good	1.188 \| good	34.547 \| good	0.143 \| good	2.853 \| good	0.115 \| good
2026-07-25T10:00:00.000Z	30 \| good	0.4 \| good	1.246 \| good	32.058 \| good	0.152 \| good	3.051 \| good	0.116 \| good
2026-07-25T11:00:00.000Z	24 \| good	0.407 \| good	1.246 \| good	26.478 \| good	0.158 \| good	3.18 \| good	0.116 \| good
2026-07-25T12:00:00.000Z	23 \| good	0.517 \| good	1.601 \| good	25.222 \| good	0.161 \| good	3.286 \| good	0.116 \| good
2026-07-25T13:00:00.000Z	26 \| good	0.321 \| good	0.938 \| good	28.012 \| good	0.151 \| good	3.104 \| good	0.117 \| good
2026-07-25T14:00:00.000Z	32 \| good	0.445 \| good	1.6 \| good	35.172 \| good	0.145 \| good	2.331 \| good	0.118 \| good
2026-07-25T15:00:00.000Z	40 \| good	0.409 \| good	1.6 \| good	42.609 \| good	0.138 \| good	1.107 \| good	0.113 \| good
2026-07-25T16:00:00.000Z	43 \| good	1.678 \| good	6.935 \| good	46.486 \| good	0.126 \| good	0.541 \| good	0.108 \| good
2026-07-25T17:00:00.000Z	47 \| good	1.46 \| good	5.833 \| good	50.599 \| good	0.107 \| good	0.311 \| good	0.104 \| good
2026-07-25T18:00:00.000Z	50 \| good	2.068 \| good	8.186 \| good	54.128 \| good	0.096 \| good	0.223 \| good	0.1 \| good
2026-07-25T19:00:00.000Z	51 \| moderate	2.272 \| good	9 \| good	54.635 \| good	0.09 \| good	0.183 \| good	0.098 \| good
2026-07-25T20:00:00.000Z	58 \| moderate	2.345 \| good	9.946 \| good	57.272 \| fine	0.086 \| good	0.17 \| good	0.097 \| good
2026-07-25T21:00:00.000Z	58 \| moderate	0.356 \| good	1.516 \| good	56.835 \| fine	0.083 \| good	0.171 \| good	0.096 \| good
2026-07-25T22:00:00.000Z	49 \| good	1.53 \| good	6 \| good	53.112 \| good	0.08 \| good	0.173 \| good	0.096 \| good

Grand Junction

Empower business decisions with accurate air quality data

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

0.17ppm

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 10:00:00, 2026-07-22.

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 03:00:00 on 2026-07-23.

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

The air quality in Grand Junction, Colorado right now is Good, with an AQI of 46.

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

In Grand Junction, Colorado, O3 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 3.963 μg/m³.

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

Grand Junction, Colorado currently has a PM₁₀ concentration of 13.78 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 0.2 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 0.717 ppb.

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

Grand Junction, Colorado currently has an ozone (O₃) concentration of 50.376 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 1.21 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-21T23:00:00.000Z	90 \| moderate	4.913 \| good	35.019 \| good	67.324 \| fine	0.639 \| good	1.179 \| good	0.162 \| good
2026-07-22T00:00:00.000Z	77 \| moderate	4.105 \| good	23.436 \| good	62.857 \| fine	0.658 \| good	1.033 \| good	0.162 \| good
2026-07-22T01:00:00.000Z	71 \| moderate	3.339 \| good	17.872 \| good	61.471 \| fine	0.791 \| good	1.143 \| good	0.162 \| good
2026-07-22T02:00:00.000Z	74 \| moderate	7.107 \| good	25.994 \| good	62.364 \| fine	0.562 \| good	1.749 \| good	0.22 \| good
2026-07-22T03:00:00.000Z	51 \| moderate	4.115 \| good	20.049 \| good	54.553 \| good	0.543 \| good	1.804 \| good	0.277 \| good
2026-07-22T04:00:00.000Z	42 \| good	4.201 \| good	16.617 \| good	44.956 \| good	0.563 \| good	2.531 \| good	0.258 \| good
2026-07-22T05:00:00.000Z	49 \| good	3.828 \| good	21.924 \| good	52.544 \| good	0.621 \| good	1.95 \| good	0.22 \| good
2026-07-22T06:00:00.000Z	51 \| moderate	4.325 \| good	18.454 \| good	55.249 \| fine	0.561 \| good	1.564 \| good	0.2 \| good
2026-07-22T07:00:00.000Z	51 \| moderate	4.445 \| good	20.284 \| good	54.65 \| good	0.582 \| good	1.51 \| good	0.219 \| good
2026-07-22T08:00:00.000Z	51 \| moderate	4.348 \| good	13.797 \| good	54.615 \| good	0.563 \| good	2.077 \| good	0.2 \| good
2026-07-22T09:00:00.000Z	45 \| good	5.724 \| good	26.315 \| good	49.396 \| good	0.486 \| good	2.026 \| good	0.181 \| good
2026-07-22T10:00:00.000Z	45 \| good	5.968 \| good	23.474 \| good	48.635 \| good	0.505 \| good	2.987 \| good	0.162 \| good
2026-07-22T11:00:00.000Z	35 \| good	4.068 \| good	19.82 \| good	38.195 \| good	0.583 \| good	2.89 \| good	0.181 \| good
2026-07-22T12:00:00.000Z	42 \| good	4.471 \| good	13.473 \| good	44.694 \| good	0.544 \| good	3.498 \| good	0.22 \| good
2026-07-22T13:00:00.000Z	41 \| good	3.505 \| good	10.938 \| good	43.771 \| good	0.544 \| good	3.887 \| good	0.239 \| good
2026-07-22T14:00:00.000Z	39 \| good	5.067 \| good	18.741 \| good	42.111 \| good	0.678 \| good	5.869 \| good	0.297 \| good
2026-07-22T15:00:00.000Z	42 \| good	5.694 \| good	23.924 \| good	44.968 \| good	0.91 \| good	5.302 \| good	0.278 \| good
2026-07-22T16:00:00.000Z	41 \| good	5.488 \| good	24.664 \| good	43.96 \| good	0.64 \| good	3.653 \| good	0.277 \| good
2026-07-22T17:00:00.000Z	47 \| good	5.866 \| good	20.614 \| good	51.401 \| good	0.776 \| good	3.309 \| good	0.276 \| good
2026-07-22T18:00:00.000Z	48 \| good	5.339 \| good	31.037 \| good	51.915 \| good	0.775 \| good	2.757 \| good	0.238 \| good
2026-07-22T19:00:00.000Z	54 \| moderate	3.731 \| good	26.314 \| good	55.563 \| fine	0.679 \| good	2.321 \| good	0.181 \| good
2026-07-22T20:00:00.000Z	61 \| moderate	2.929 \| good	17.99 \| good	57.822 \| fine	0.602 \| good	2.09 \| good	0.18 \| good
2026-07-22T21:00:00.000Z	64 \| moderate	3.075 \| good	15.549 \| good	58.725 \| fine	0.622 \| good	2.222 \| good	0.239 \| good
2026-07-22T22:00:00.000Z	74 \| moderate	3.002 \| good	14.505 \| good	61.811 \| fine	0.659 \| good	2.036 \| good	0.258 \| good
2026-07-22T23:00:00.000Z	67 \| moderate	3.796 \| good	8.345 \| good	60.013 \| fine	0.601 \| good	2.202 \| good	0.162 \| good
2026-07-23T00:00:00.000Z	67 \| moderate	2.489 \| good	9.567 \| good	60.387 \| fine	0.638 \| good	2.173 \| good	0.181 \| good
2026-07-23T01:00:00.000Z	61 \| moderate	3.796 \| good	19.931 \| good	58.426 \| fine	0.656 \| good	2.322 \| good	0.277 \| good
2026-07-23T02:00:00.000Z	51 \| moderate	3.76 \| good	23.579 \| good	55.36 \| fine	0.639 \| good	1.834 \| good	0.296 \| good
2026-07-23T03:00:00.000Z	44 \| good	0.323 \| good	1 \| good	48.422 \| good	0.085 \| good	1.479 \| good	0.098 \| good
2026-07-23T04:00:00.000Z	49 \| good	3.1 \| good	12.705 \| good	53.495 \| good	0.657 \| good	1.658 \| good	0.257 \| good
2026-07-23T05:00:00.000Z	43 \| good	2.995 \| good	14.905 \| good	46.298 \| good	0.563 \| good	2.033 \| good	0.199 \| good
2026-07-23T06:00:00.000Z	48 \| good	4.537 \| good	15.201 \| good	51.957 \| good	0.543 \| good	2.402 \| good	0.2 \| good
2026-07-23T07:00:00.000Z	43 \| good	3.717 \| good	14.416 \| good	45.913 \| good	0.488 \| good	2.645 \| good	0.2 \| good
2026-07-23T08:00:00.000Z	41 \| good	2.965 \| good	10.928 \| good	43.927 \| good	0.525 \| good	3.077 \| good	0.2 \| good
2026-07-23T09:00:00.000Z	39 \| good	2.863 \| good	7.638 \| good	41.984 \| good	0.621 \| good	3.451 \| good	0.2 \| good
2026-07-23T10:00:00.000Z	42 \| good	2.692 \| good	11.11 \| good	45.005 \| good	0.745 \| good	4.99 \| good	0.181 \| good
2026-07-23T11:00:00.000Z	30 \| good	2.533 \| good	11.584 \| good	32.168 \| good	0.622 \| good	5.281 \| good	0.181 \| good
2026-07-23T12:00:00.000Z	35 \| good	3.167 \| good	12.206 \| good	37.928 \| good	0.564 \| good	4.364 \| good	0.2 \| good
2026-07-23T13:00:00.000Z	24 \| good	2.69 \| good	15.542 \| good	25.84 \| good	0.621 \| good	6.244 \| good	0.316 \| good
2026-07-23T14:00:00.000Z	23 \| good	3.013 \| good	17.897 \| good	25.404 \| good	0.621 \| good	6.164 \| good	0.354 \| good
2026-07-23T15:00:00.000Z	21 \| good	3.291 \| good	16.702 \| good	23.354 \| good	0.621 \| good	4.626 \| good	0.315 \| good
2026-07-23T16:00:00.000Z	31 \| good	3.784 \| good	10.851 \| good	33.373 \| good	0.737 \| good	3.544 \| good	0.258 \| good
2026-07-23T17:00:00.000Z	42 \| good	3.764 \| good	11.025 \| good	44.804 \| good	0.756 \| good	2.581 \| good	0.218 \| good
2026-07-23T18:00:00.000Z	44 \| good	3.883 \| good	16.834 \| good	46.657 \| good	0.718 \| good	1.87 \| good	0.241 \| good
2026-07-23T19:00:00.000Z	48 \| good	3.887 \| good	13.638 \| good	52.341 \| good	0.756 \| good	1.611 \| good	0.186 \| good
2026-07-23T20:00:00.000Z	51 \| moderate	4.009 \| good	14.485 \| good	54.826 \| good	0.756 \| good	1.488 \| good	0.186 \| good
2026-07-23T21:00:00.000Z	48 \| good	3.954 \| good	13.783 \| good	52.213 \| good	0.717 \| good	1.21 \| good	0.2 \| good
2026-07-23T22:00:00.000Z	46 \| good	3.963 \| good	13.78 \| good	50.376 \| good	0.717 \| good	1.21 \| good	0.2 \| good
2026-07-23T23:00:00.000Z	64 \| moderate	2.989 \| good	12 \| good	58.67 \| fine	0.072 \| good	0.201 \| good	0.094 \| good
2026-07-24T00:00:00.000Z	61 \| moderate	0.308 \| good	1 \| good	57.758 \| fine	0.072 \| good	0.243 \| good	0.094 \| good
2026-07-24T01:00:00.000Z	61 \| moderate	0.423 \| good	1.627 \| good	57.994 \| fine	0.072 \| good	0.323 \| good	0.095 \| good
2026-07-24T02:00:00.000Z	48 \| good	0.476 \| good	1.76 \| good	52.424 \| good	0.073 \| good	0.696 \| good	0.097 \| good
2026-07-24T03:00:00.000Z	50 \| good	0.529 \| good	1.792 \| good	53.968 \| good	0.078 \| good	1.653 \| good	0.103 \| good
2026-07-24T04:00:00.000Z	44 \| good	0.515 \| good	2 \| good	47.922 \| good	0.089 \| good	2.232 \| good	0.106 \| good
2026-07-24T05:00:00.000Z	42 \| good	1.212 \| good	4.999 \| good	45.135 \| good	0.103 \| good	2.522 \| good	0.108 \| good
2026-07-24T06:00:00.000Z	40 \| good	1.309 \| good	5.186 \| good	42.899 \| good	0.121 \| good	2.937 \| good	0.111 \| good
2026-07-24T07:00:00.000Z	38 \| good	0.494 \| good	1.535 \| good	41.229 \| good	0.141 \| good	3.251 \| good	0.113 \| good
2026-07-24T08:00:00.000Z	35 \| good	4.026 \| good	17.973 \| good	38.492 \| good	0.161 \| good	3.489 \| good	0.114 \| good
2026-07-24T09:00:00.000Z	34 \| good	2.757 \| good	11.159 \| good	36.972 \| good	0.179 \| good	3.635 \| good	0.115 \| good
2026-07-24T10:00:00.000Z	33 \| good	1.729 \| good	7 \| good	35.538 \| good	0.195 \| good	3.773 \| good	0.115 \| good
2026-07-24T11:00:00.000Z	27 \| good	0.29 \| good	0.803 \| good	29.455 \| good	0.208 \| good	3.951 \| good	0.115 \| good
2026-07-24T12:00:00.000Z	27 \| good	3.209 \| good	13.96 \| good	29.005 \| good	0.219 \| good	4.087 \| good	0.115 \| good
2026-07-24T13:00:00.000Z	29 \| good	1.743 \| good	7.075 \| good	31.348 \| good	0.208 \| good	3.851 \| good	0.115 \| good
2026-07-24T14:00:00.000Z	37 \| good	1.517 \| good	6.159 \| good	40.33 \| good	0.193 \| good	2.762 \| good	0.115 \| good
2026-07-24T15:00:00.000Z	43 \| good	3.282 \| good	14.186 \| good	46.374 \| good	0.166 \| good	1.096 \| good	0.107 \| good
2026-07-24T16:00:00.000Z	48 \| good	2.719 \| good	11.159 \| good	51.903 \| good	0.139 \| good	0.488 \| good	0.102 \| good
2026-07-24T17:00:00.000Z	48 \| good	2.036 \| good	8.026 \| good	52.161 \| good	0.117 \| good	0.295 \| good	0.101 \| good
2026-07-24T18:00:00.000Z	54 \| moderate	2.407 \| good	9.887 \| good	56.336 \| fine	0.102 \| good	0.22 \| good	0.103 \| good
2026-07-24T19:00:00.000Z	58 \| moderate	4.768 \| good	20.829 \| good	56.763 \| fine	0.095 \| good	0.195 \| good	0.103 \| good
2026-07-24T20:00:00.000Z	61 \| moderate	5.374 \| good	22.973 \| good	57.867 \| fine	0.09 \| good	0.186 \| good	0.103 \| good
2026-07-24T21:00:00.000Z	61 \| moderate	4.924 \| good	21 \| good	58.164 \| fine	0.084 \| good	0.188 \| good	0.102 \| good
2026-07-24T22:00:00.000Z	54 \| moderate	3.94 \| good	16.973 \| good	56.304 \| fine	0.08 \| good	0.194 \| good	0.101 \| good
2026-07-24T23:00:00.000Z	58 \| moderate	3.169 \| good	13.946 \| good	57.124 \| fine	0.077 \| good	0.211 \| good	0.101 \| good
2026-07-25T00:00:00.000Z	54 \| moderate	0.757 \| good	2.832 \| good	56.144 \| fine	0.076 \| good	0.248 \| good	0.1 \| good
2026-07-25T01:00:00.000Z	64 \| moderate	0.909 \| good	3.749 \| good	58.749 \| fine	0.074 \| good	0.32 \| good	0.1 \| good
2026-07-25T02:00:00.000Z	49 \| good	0.968 \| good	3.973 \| good	53.396 \| good	0.074 \| good	0.797 \| good	0.103 \| good
2026-07-25T03:00:00.000Z	47 \| good	0.434 \| good	1.521 \| good	50.626 \| good	0.08 \| good	1.572 \| good	0.107 \| good
2026-07-25T04:00:00.000Z	44 \| good	0.473 \| good	1.711 \| good	47.356 \| good	0.088 \| good	1.855 \| good	0.109 \| good
2026-07-25T05:00:00.000Z	43 \| good	0.461 \| good	1.631 \| good	45.962 \| good	0.097 \| good	2.082 \| good	0.11 \| good
2026-07-25T06:00:00.000Z	42 \| good	0.448 \| good	1.383 \| good	44.877 \| good	0.108 \| good	2.311 \| good	0.112 \| good
2026-07-25T07:00:00.000Z	38 \| good	0.316 \| good	0.98 \| good	40.751 \| good	0.119 \| good	2.489 \| good	0.114 \| good
2026-07-25T08:00:00.000Z	33 \| good	0.338 \| good	1.033 \| good	36.35 \| good	0.131 \| good	2.643 \| good	0.115 \| good
2026-07-25T09:00:00.000Z	32 \| good	0.383 \| good	1.188 \| good	34.547 \| good	0.143 \| good	2.853 \| good	0.115 \| good
2026-07-25T10:00:00.000Z	30 \| good	0.4 \| good	1.246 \| good	32.058 \| good	0.152 \| good	3.051 \| good	0.116 \| good
2026-07-25T11:00:00.000Z	24 \| good	0.407 \| good	1.246 \| good	26.478 \| good	0.158 \| good	3.18 \| good	0.116 \| good
2026-07-25T12:00:00.000Z	23 \| good	0.517 \| good	1.601 \| good	25.222 \| good	0.161 \| good	3.286 \| good	0.116 \| good
2026-07-25T13:00:00.000Z	26 \| good	0.321 \| good	0.938 \| good	28.012 \| good	0.151 \| good	3.104 \| good	0.117 \| good
2026-07-25T14:00:00.000Z	32 \| good	0.445 \| good	1.6 \| good	35.172 \| good	0.145 \| good	2.331 \| good	0.118 \| good
2026-07-25T15:00:00.000Z	40 \| good	0.409 \| good	1.6 \| good	42.609 \| good	0.138 \| good	1.107 \| good	0.113 \| good
2026-07-25T16:00:00.000Z	43 \| good	1.678 \| good	6.935 \| good	46.486 \| good	0.126 \| good	0.541 \| good	0.108 \| good
2026-07-25T17:00:00.000Z	47 \| good	1.46 \| good	5.833 \| good	50.599 \| good	0.107 \| good	0.311 \| good	0.104 \| good
2026-07-25T18:00:00.000Z	50 \| good	2.068 \| good	8.186 \| good	54.128 \| good	0.096 \| good	0.223 \| good	0.1 \| good
2026-07-25T19:00:00.000Z	51 \| moderate	2.272 \| good	9 \| good	54.635 \| good	0.09 \| good	0.183 \| good	0.098 \| good
2026-07-25T20:00:00.000Z	58 \| moderate	2.345 \| good	9.946 \| good	57.272 \| fine	0.086 \| good	0.17 \| good	0.097 \| good
2026-07-25T21:00:00.000Z	58 \| moderate	0.356 \| good	1.516 \| good	56.835 \| fine	0.083 \| good	0.171 \| good	0.096 \| good
2026-07-25T22:00:00.000Z	49 \| good	1.53 \| good	6 \| good	53.112 \| good	0.08 \| good	0.173 \| good	0.096 \| 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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What is the current level of sulfur dioxide (SO2) in Grand Junction, Colorado?

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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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