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

Grand Junction, Colorado currently has a PM10 concentration of 46.059 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 0.808 ppb.

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

Grand Junction, Colorado currently has an ozone (O3) concentration of 44.621 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 6.046 ppb.

Current air quality index in Grand Junction, Colorado today

Name: Live air pollution levels in Grand Junction, Colorado today
Creator: Ambee

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)

4.11 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

18.02 μg/m³

155

255

425

605+

Ozone (O₃)

39.30 ppb

201

201+

Sulfur Dioxide (SO₂)

0.76 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.78 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.43 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
2025-07-18T17:00:00.000Z	52 \| moderate	9.9 \| good	44 \| good	43.521 \| good	0.961 \| good	3.15 \| good	0.241 \| good
2025-07-18T18:00:00.000Z	52 \| moderate	9.7 \| good	43 \| good	46.524 \| good	0.677 \| good	2.436 \| good	0.141 \| good
2025-07-18T19:00:00.000Z	52 \| moderate	9.6 \| good	43 \| good	48.887 \| good	0.772 \| good	2.441 \| good	0.161 \| good
2025-07-18T20:00:00.000Z	52 \| moderate	10.2 \| good	45 \| good	50.652 \| good	0.696 \| good	1.998 \| good	0.181 \| good
2025-07-18T21:00:00.000Z	46 \| good	7.2 \| good	32 \| good	49.592 \| good	0.696 \| good	1.236 \| good	0.473 \| good
2025-07-18T22:00:00.000Z	47 \| good	5.5 \| good	24 \| good	50.983 \| good	0.677 \| good	0.996 \| good	0.494 \| good
2025-07-18T23:00:00.000Z	49 \| good	5.4 \| good	23 \| good	52.966 \| good	0.638 \| good	0.896 \| good	0.453 \| good
2025-07-19T00:00:00.000Z	50 \| good	4.7 \| good	21 \| good	53.847 \| good	0.619 \| good	1.182 \| good	0.432 \| good
2025-07-19T01:00:00.000Z	48 \| good	4.5 \| good	20 \| good	52.452 \| good	0.675 \| good	0.996 \| good	0.512 \| good
2025-07-19T02:00:00.000Z	49 \| good	4.7 \| good	21 \| good	52.934 \| good	0.675 \| good	0.808 \| good	0.473 \| good
2025-07-19T03:00:00.000Z	46 \| good	5.3 \| good	23 \| good	50.092 \| good	0.695 \| good	1.999 \| good	0.513 \| good
2025-07-19T04:00:00.000Z	46 \| good	5.7 \| good	25 \| good	50.319 \| good	0.599 \| good	3.162 \| good	0.492 \| good
2025-07-19T05:00:00.000Z	41 \| good	6 \| good	27 \| good	43.873 \| good	0.6 \| good	2.724 \| good	0.241 \| good
2025-07-19T06:00:00.000Z	43 \| good	5.8 \| good	25 \| good	46.444 \| good	0.599 \| good	2.885 \| good	0.512 \| good
2025-07-19T07:00:00.000Z	36 \| good	5.8 \| good	25 \| good	39.442 \| good	0.599 \| good	2.728 \| good	0.221 \| good
2025-07-19T08:00:00.000Z	38 \| good	6.7 \| good	30 \| good	38.223 \| good	0.676 \| good	2.576 \| good	0.221 \| good
2025-07-19T09:00:00.000Z	44 \| good	7.5 \| good	33 \| good	39.435 \| good	0.675 \| good	2.425 \| good	0.491 \| good
2025-07-19T10:00:00.000Z	44 \| good	7.7 \| good	34 \| good	42.275 \| good	0.6 \| good	2.537 \| good	0.434 \| good
2025-07-19T11:00:00.000Z	44 \| good	7.8 \| good	34 \| good	41.219 \| good	0.6 \| good	3.308 \| good	0.414 \| good
2025-07-19T12:00:00.000Z	44 \| good	7.8 \| good	34 \| good	34.387 \| good	0.853 \| good	2.618 \| good	0.452 \| good
2025-07-19T13:00:00.000Z	44 \| good	7.5 \| good	33 \| good	35.385 \| good	0.677 \| good	2.381 \| good	0.493 \| good
2025-07-19T14:00:00.000Z	38 \| good	6.5 \| good	29 \| good	34.241 \| good	0.642 \| good	2.278 \| good	0.221 \| good
2025-07-19T15:00:00.000Z	35 \| good	5.4 \| good	23 \| good	38.093 \| good	0.619 \| good	2.626 \| good	0.471 \| good
2025-07-19T16:00:00.000Z	35 \| good	4.8 \| good	21 \| good	38.433 \| good	0.657 \| good	2.672 \| good	0.471 \| good
2025-07-19T17:00:00.000Z	38 \| good	4.6 \| good	20 \| good	40.543 \| good	0.735 \| good	1.986 \| good	0.432 \| good
2025-07-19T18:00:00.000Z	41 \| good	4.5 \| good	20 \| good	44.192 \| good	0.735 \| good	1.776 \| good	0.432 \| good
2025-07-19T19:00:00.000Z	46 \| good	4.2 \| good	19 \| good	49.541 \| good	0.773 \| good	1.745 \| good	0.452 \| good
2025-07-19T20:00:00.000Z	50 \| good	3.7 \| good	16 \| good	54.25 \| good	0.773 \| good	1.579 \| good	0.432 \| good
2025-07-19T21:00:00.000Z	51 \| moderate	3 \| good	12 \| good	54.925 \| good	0.716 \| good	1.414 \| good	0.432 \| good
2025-07-19T22:00:00.000Z	48 \| good	2.9 \| good	12 \| good	52.437 \| good	0.642 \| good	1.204 \| good	0.432 \| good
2025-07-19T23:00:00.000Z	50 \| good	2.8 \| good	12 \| good	53.539 \| good	0.662 \| good	1.208 \| good	0.412 \| good
2025-07-20T00:00:00.000Z	51 \| moderate	2.4 \| good	10 \| good	54.928 \| good	0.561 \| good	1.008 \| good	0.393 \| good
2025-07-20T01:00:00.000Z	54 \| moderate	2.3 \| good	10 \| good	55.603 \| fine	0.695 \| good	1.142 \| good	0.472 \| good
2025-07-20T02:00:00.000Z	49 \| good	4.1 \| good	18 \| good	53.193 \| good	0.676 \| good	1.04 \| good	0.493 \| good
2025-07-20T03:00:00.000Z	46 \| good	3.9 \| good	17 \| good	49.885 \| good	0.676 \| good	1.207 \| good	0.613 \| good
2025-07-20T04:00:00.000Z	49 \| good	3.5 \| good	16 \| good	52.754 \| good	0.657 \| good	1.748 \| good	0.32 \| good
2025-07-20T05:00:00.000Z	45 \| good	3.4 \| good	15 \| good	48.58 \| good	0.676 \| good	1.967 \| good	0.401 \| good
2025-07-20T06:00:00.000Z	43 \| good	3.8 \| good	17 \| good	46.398 \| good	0.657 \| good	2.421 \| good	0.42 \| good
2025-07-20T07:00:00.000Z	39 \| good	4.9 \| good	21 \| good	42.495 \| good	0.676 \| good	2.38 \| good	0.378 \| good
2025-07-20T08:00:00.000Z	38 \| good	6.3 \| good	28 \| good	40.665 \| good	0.734 \| good	3.68 \| good	0.399 \| good
2025-07-20T09:00:00.000Z	38 \| good	7.3 \| good	32 \| good	40.722 \| good	0.715 \| good	4.037 \| good	0.38 \| good
2025-07-20T10:00:00.000Z	33 \| good	6.2 \| good	28 \| good	35.712 \| good	0.715 \| good	3.127 \| good	0.532 \| good
2025-07-20T11:00:00.000Z	33 \| good	5.7 \| good	25 \| good	36.467 \| good	0.677 \| good	3.696 \| good	0.493 \| good
2025-07-20T12:00:00.000Z	33 \| good	5.8 \| good	25 \| good	30.222 \| good	0.696 \| good	2.427 \| good	0.201 \| good
2025-07-20T13:00:00.000Z	33 \| good	5.7 \| good	25 \| good	33.1 \| good	0.811 \| good	1.967 \| good	0.431 \| good
2025-07-20T14:00:00.000Z	34 \| good	5.3 \| good	23 \| good	37.07 \| good	0.867 \| good	3.481 \| good	0.431 \| good
2025-07-20T15:00:00.000Z	33 \| good	4.5 \| good	20 \| good	36.055 \| good	1.001 \| good	3.102 \| good	0.431 \| good
2025-07-20T16:00:00.000Z	36 \| good	4.1 \| good	18 \| good	39.286 \| good	0.761 \| good	2.781 \| good	0.431 \| good
2025-07-20T16:00:00.000Z	36 \| good	4.108 \| good	18.015 \| good	39.297 \| good	0.761 \| good	2.779 \| good	0.429 \| good
2025-07-18T06:00:00.000Z	81 \| moderate	24.929 \| fine	109.061 \| fine	39.911 \| good	1.081 \| good	6.35 \| good	0.601 \| good
2025-07-18T07:00:00.000Z	69 \| moderate	18.522 \| fine	81.475 \| fine	37.888 \| good	1.078 \| good	6.549 \| good	0.609 \| good
2025-07-18T08:00:00.000Z	58 \| moderate	13.153 \| fine	58.636 \| fine	35.784 \| good	1.074 \| good	6.748 \| good	0.616 \| good
2025-07-18T09:00:00.000Z	60 \| moderate	14.214 \| fine	63.018 \| fine	33.542 \| good	1.071 \| good	6.947 \| good	0.624 \| good
2025-07-18T10:00:00.000Z	56 \| moderate	11.736 \| good	52.254 \| good	34.848 \| good	1.095 \| good	7.578 \| good	0.638 \| good
2025-07-18T11:00:00.000Z	38 \| good	6.867 \| good	30.508 \| good	36.139 \| good	1.119 \| good	8.209 \| good	0.653 \| good
2025-07-18T12:00:00.000Z	84 \| moderate	27.128 \| fine	118.296 \| fine	34.022 \| good	1.143 \| good	8.84 \| good	0.667 \| good
2025-07-18T13:00:00.000Z	69 \| moderate	19.357 \| fine	85.032 \| fine	34.392 \| good	0.972 \| good	6.858 \| good	0.575 \| good
2025-07-18T14:00:00.000Z	38 \| good	3.616 \| good	15.777 \| good	41.16 \| good	0.802 \| good	4.876 \| good	0.483 \| good
2025-07-18T15:00:00.000Z	41 \| good	3.517 \| good	15.37 \| good	43.89 \| good	0.631 \| good	2.895 \| good	0.391 \| good
2025-07-18T16:00:00.000Z	45 \| good	3.234 \| good	14.286 \| good	48.517 \| good	0.532 \| good	2.145 \| good	0.332 \| good
2025-07-18T17:00:00.000Z	48 \| good	2.011 \| good	8.332 \| good	52.231 \| good	0.433 \| good	1.395 \| good	0.272 \| good
2025-07-18T18:00:00.000Z	54 \| moderate	3.727 \| good	16.346 \| good	55.693 \| fine	0.334 \| good	0.646 \| good	0.213 \| good
2025-07-18T19:00:00.000Z	54 \| moderate	9.027 \| good	39.922 \| good	55.86 \| fine	0.347 \| good	0.975 \| good	0.23 \| good
2025-07-18T20:00:00.000Z	56 \| moderate	12.412 \| fine	55.175 \| fine	55.531 \| fine	0.36 \| good	1.303 \| good	0.248 \| good
2025-07-18T21:00:00.000Z	60 \| moderate	14.439 \| fine	64.078 \| fine	56.312 \| fine	0.373 \| good	1.632 \| good	0.265 \| good
2025-07-18T22:00:00.000Z	67 \| moderate	18.489 \| fine	82.09 \| fine	53.428 \| good	0.377 \| good	1.787 \| good	0.267 \| good
2025-07-18T23:00:00.000Z	79 \| moderate	23.744 \| fine	103.883 \| fine	51.778 \| good	0.382 \| good	1.941 \| good	0.269 \| good
2025-07-19T00:00:00.000Z	84 \| moderate	26.67 \| fine	116.927 \| fine	49.663 \| good	0.386 \| good	2.095 \| good	0.271 \| good
2025-07-19T01:00:00.000Z	84 \| moderate	26.638 \| fine	116.349 \| fine	47.728 \| good	0.413 \| good	3.138 \| good	0.283 \| good
2025-07-19T02:00:00.000Z	49 \| good	9.446 \| good	41.823 \| good	45.455 \| good	0.44 \| good	4.18 \| good	0.294 \| good
2025-07-19T03:00:00.000Z	45 \| good	8.475 \| good	37.423 \| good	48.689 \| good	0.467 \| good	5.223 \| good	0.306 \| good
2025-07-19T04:00:00.000Z	60 \| moderate	14.319 \| fine	63.709 \| fine	36.868 \| good	0.572 \| good	6.688 \| good	0.362 \| good
2025-07-19T05:00:00.000Z	81 \| moderate	24.655 \| fine	107.286 \| fine	35.121 \| good	0.676 \| good	8.154 \| good	0.418 \| good
2025-07-19T06:00:00.000Z	81 \| moderate	24.918 \| fine	108.937 \| fine	35.286 \| good	0.781 \| good	9.619 \| good	0.475 \| good
2025-07-19T07:00:00.000Z	84 \| moderate	26.565 \| fine	115.745 \| fine	35.713 \| good	0.859 \| good	10.473 \| good	0.509 \| good
2025-07-19T08:00:00.000Z	82 \| moderate	25.571 \| fine	111.657 \| fine	33.892 \| good	0.937 \| good	11.327 \| good	0.544 \| good
2025-07-19T09:00:00.000Z	81 \| moderate	24.887 \| fine	108.872 \| fine	29.933 \| good	1.016 \| good	12.181 \| good	0.579 \| good
2025-07-19T10:00:00.000Z	75 \| moderate	21.751 \| fine	95.597 \| fine	30.737 \| good	1.023 \| good	12.049 \| good	0.586 \| good
2025-07-19T11:00:00.000Z	67 \| moderate	18.457 \| fine	81.462 \| fine	31.212 \| good	1.03 \| good	11.916 \| good	0.594 \| good
2025-07-19T12:00:00.000Z	66 \| moderate	17.124 \| fine	76.602 \| fine	29.348 \| good	1.038 \| good	11.784 \| good	0.601 \| good
2025-07-19T13:00:00.000Z	62 \| moderate	15.294 \| fine	68.654 \| fine	26.613 \| good	0.91 \| good	9.029 \| good	0.53 \| good
2025-07-19T14:00:00.000Z	60 \| moderate	14.496 \| fine	64.493 \| fine	27.033 \| good	0.781 \| good	6.274 \| good	0.459 \| good
2025-07-19T15:00:00.000Z	58 \| moderate	13.294 \| fine	60.059 \| fine	34.058 \| good	0.653 \| good	3.52 \| good	0.387 \| good
2025-07-19T16:00:00.000Z	58 \| moderate	12.954 \| fine	58.543 \| fine	39.528 \| good	0.502 \| good	2.55 \| good	0.312 \| good
2025-07-19T17:00:00.000Z	58 \| moderate	13.383 \| fine	60.397 \| fine	43.251 \| good	0.35 \| good	1.581 \| good	0.237 \| good
2025-07-19T18:00:00.000Z	54 \| moderate	10.963 \| good	48.327 \| good	45.511 \| good	0.198 \| good	0.612 \| good	0.162 \| good
2025-07-19T19:00:00.000Z	49 \| good	6.688 \| good	29.917 \| good	52.571 \| good	0.22 \| good	0.843 \| good	0.171 \| good
2025-07-19T20:00:00.000Z	48 \| good	6.899 \| good	30.513 \| good	51.953 \| good	0.242 \| good	1.075 \| good	0.179 \| good
2025-07-19T21:00:00.000Z	49 \| good	6.716 \| good	30 \| good	53.212 \| good	0.263 \| good	1.307 \| good	0.188 \| good
2025-07-19T22:00:00.000Z	49 \| good	9.194 \| good	41 \| good	52.596 \| good	0.269 \| good	1.388 \| good	0.188 \| good
2025-07-19T23:00:00.000Z	49 \| good	8.631 \| good	37.867 \| good	51.945 \| good	0.274 \| good	1.468 \| good	0.187 \| good
2025-07-20T00:00:00.000Z	47 \| good	4.566 \| good	20 \| good	50.859 \| good	0.28 \| good	1.549 \| good	0.187 \| good
2025-07-20T01:00:00.000Z	44 \| good	6.79 \| good	30 \| good	47.225 \| good	0.3 \| good	2.433 \| good	0.196 \| good
2025-07-20T02:00:00.000Z	36 \| good	3.784 \| good	16.483 \| good	39.155 \| good	0.32 \| good	3.316 \| good	0.205 \| good
2025-07-20T03:00:00.000Z	33 \| good	6.191 \| good	27.429 \| good	35.468 \| good	0.341 \| good	4.2 \| good	0.214 \| good
2025-07-20T04:00:00.000Z	38 \| good	6.952 \| good	30.754 \| good	34.024 \| good	0.423 \| good	5.344 \| good	0.243 \| good
2025-07-20T05:00:00.000Z	62 \| moderate	15.394 \| fine	68.774 \| fine	33.027 \| good	0.504 \| good	6.488 \| good	0.271 \| good

Grand Junction

Empower business decisions with accurate air quality data

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

0.40ppm

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 02:00:00, 2025-07-17.

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 02:00:00 on 2025-07-18.

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 52.

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 10.405 μg/m³.

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

Grand Junction, Colorado currently has a PM₁₀ concentration of 46.059 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 0.202 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 0.808 ppb.

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

Grand Junction, Colorado currently has an ozone (O₃) concentration of 44.621 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 6.046 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-18T17:00:00.000Z	52 \| moderate	9.9 \| good	44 \| good	43.521 \| good	0.961 \| good	3.15 \| good	0.241 \| good
2025-07-18T18:00:00.000Z	52 \| moderate	9.7 \| good	43 \| good	46.524 \| good	0.677 \| good	2.436 \| good	0.141 \| good
2025-07-18T19:00:00.000Z	52 \| moderate	9.6 \| good	43 \| good	48.887 \| good	0.772 \| good	2.441 \| good	0.161 \| good
2025-07-18T20:00:00.000Z	52 \| moderate	10.2 \| good	45 \| good	50.652 \| good	0.696 \| good	1.998 \| good	0.181 \| good
2025-07-18T21:00:00.000Z	46 \| good	7.2 \| good	32 \| good	49.592 \| good	0.696 \| good	1.236 \| good	0.473 \| good
2025-07-18T22:00:00.000Z	47 \| good	5.5 \| good	24 \| good	50.983 \| good	0.677 \| good	0.996 \| good	0.494 \| good
2025-07-18T23:00:00.000Z	49 \| good	5.4 \| good	23 \| good	52.966 \| good	0.638 \| good	0.896 \| good	0.453 \| good
2025-07-19T00:00:00.000Z	50 \| good	4.7 \| good	21 \| good	53.847 \| good	0.619 \| good	1.182 \| good	0.432 \| good
2025-07-19T01:00:00.000Z	48 \| good	4.5 \| good	20 \| good	52.452 \| good	0.675 \| good	0.996 \| good	0.512 \| good
2025-07-19T02:00:00.000Z	49 \| good	4.7 \| good	21 \| good	52.934 \| good	0.675 \| good	0.808 \| good	0.473 \| good
2025-07-19T03:00:00.000Z	46 \| good	5.3 \| good	23 \| good	50.092 \| good	0.695 \| good	1.999 \| good	0.513 \| good
2025-07-19T04:00:00.000Z	46 \| good	5.7 \| good	25 \| good	50.319 \| good	0.599 \| good	3.162 \| good	0.492 \| good
2025-07-19T05:00:00.000Z	41 \| good	6 \| good	27 \| good	43.873 \| good	0.6 \| good	2.724 \| good	0.241 \| good
2025-07-19T06:00:00.000Z	43 \| good	5.8 \| good	25 \| good	46.444 \| good	0.599 \| good	2.885 \| good	0.512 \| good
2025-07-19T07:00:00.000Z	36 \| good	5.8 \| good	25 \| good	39.442 \| good	0.599 \| good	2.728 \| good	0.221 \| good
2025-07-19T08:00:00.000Z	38 \| good	6.7 \| good	30 \| good	38.223 \| good	0.676 \| good	2.576 \| good	0.221 \| good
2025-07-19T09:00:00.000Z	44 \| good	7.5 \| good	33 \| good	39.435 \| good	0.675 \| good	2.425 \| good	0.491 \| good
2025-07-19T10:00:00.000Z	44 \| good	7.7 \| good	34 \| good	42.275 \| good	0.6 \| good	2.537 \| good	0.434 \| good
2025-07-19T11:00:00.000Z	44 \| good	7.8 \| good	34 \| good	41.219 \| good	0.6 \| good	3.308 \| good	0.414 \| good
2025-07-19T12:00:00.000Z	44 \| good	7.8 \| good	34 \| good	34.387 \| good	0.853 \| good	2.618 \| good	0.452 \| good
2025-07-19T13:00:00.000Z	44 \| good	7.5 \| good	33 \| good	35.385 \| good	0.677 \| good	2.381 \| good	0.493 \| good
2025-07-19T14:00:00.000Z	38 \| good	6.5 \| good	29 \| good	34.241 \| good	0.642 \| good	2.278 \| good	0.221 \| good
2025-07-19T15:00:00.000Z	35 \| good	5.4 \| good	23 \| good	38.093 \| good	0.619 \| good	2.626 \| good	0.471 \| good
2025-07-19T16:00:00.000Z	35 \| good	4.8 \| good	21 \| good	38.433 \| good	0.657 \| good	2.672 \| good	0.471 \| good
2025-07-19T17:00:00.000Z	38 \| good	4.6 \| good	20 \| good	40.543 \| good	0.735 \| good	1.986 \| good	0.432 \| good
2025-07-19T18:00:00.000Z	41 \| good	4.5 \| good	20 \| good	44.192 \| good	0.735 \| good	1.776 \| good	0.432 \| good
2025-07-19T19:00:00.000Z	46 \| good	4.2 \| good	19 \| good	49.541 \| good	0.773 \| good	1.745 \| good	0.452 \| good
2025-07-19T20:00:00.000Z	50 \| good	3.7 \| good	16 \| good	54.25 \| good	0.773 \| good	1.579 \| good	0.432 \| good
2025-07-19T21:00:00.000Z	51 \| moderate	3 \| good	12 \| good	54.925 \| good	0.716 \| good	1.414 \| good	0.432 \| good
2025-07-19T22:00:00.000Z	48 \| good	2.9 \| good	12 \| good	52.437 \| good	0.642 \| good	1.204 \| good	0.432 \| good
2025-07-19T23:00:00.000Z	50 \| good	2.8 \| good	12 \| good	53.539 \| good	0.662 \| good	1.208 \| good	0.412 \| good
2025-07-20T00:00:00.000Z	51 \| moderate	2.4 \| good	10 \| good	54.928 \| good	0.561 \| good	1.008 \| good	0.393 \| good
2025-07-20T01:00:00.000Z	54 \| moderate	2.3 \| good	10 \| good	55.603 \| fine	0.695 \| good	1.142 \| good	0.472 \| good
2025-07-20T02:00:00.000Z	49 \| good	4.1 \| good	18 \| good	53.193 \| good	0.676 \| good	1.04 \| good	0.493 \| good
2025-07-20T03:00:00.000Z	46 \| good	3.9 \| good	17 \| good	49.885 \| good	0.676 \| good	1.207 \| good	0.613 \| good
2025-07-20T04:00:00.000Z	49 \| good	3.5 \| good	16 \| good	52.754 \| good	0.657 \| good	1.748 \| good	0.32 \| good
2025-07-20T05:00:00.000Z	45 \| good	3.4 \| good	15 \| good	48.58 \| good	0.676 \| good	1.967 \| good	0.401 \| good
2025-07-20T06:00:00.000Z	43 \| good	3.8 \| good	17 \| good	46.398 \| good	0.657 \| good	2.421 \| good	0.42 \| good
2025-07-20T07:00:00.000Z	39 \| good	4.9 \| good	21 \| good	42.495 \| good	0.676 \| good	2.38 \| good	0.378 \| good
2025-07-20T08:00:00.000Z	38 \| good	6.3 \| good	28 \| good	40.665 \| good	0.734 \| good	3.68 \| good	0.399 \| good
2025-07-20T09:00:00.000Z	38 \| good	7.3 \| good	32 \| good	40.722 \| good	0.715 \| good	4.037 \| good	0.38 \| good
2025-07-20T10:00:00.000Z	33 \| good	6.2 \| good	28 \| good	35.712 \| good	0.715 \| good	3.127 \| good	0.532 \| good
2025-07-20T11:00:00.000Z	33 \| good	5.7 \| good	25 \| good	36.467 \| good	0.677 \| good	3.696 \| good	0.493 \| good
2025-07-20T12:00:00.000Z	33 \| good	5.8 \| good	25 \| good	30.222 \| good	0.696 \| good	2.427 \| good	0.201 \| good
2025-07-20T13:00:00.000Z	33 \| good	5.7 \| good	25 \| good	33.1 \| good	0.811 \| good	1.967 \| good	0.431 \| good
2025-07-20T14:00:00.000Z	34 \| good	5.3 \| good	23 \| good	37.07 \| good	0.867 \| good	3.481 \| good	0.431 \| good
2025-07-20T15:00:00.000Z	33 \| good	4.5 \| good	20 \| good	36.055 \| good	1.001 \| good	3.102 \| good	0.431 \| good
2025-07-20T16:00:00.000Z	36 \| good	4.1 \| good	18 \| good	39.286 \| good	0.761 \| good	2.781 \| good	0.431 \| good
2025-07-20T16:00:00.000Z	36 \| good	4.108 \| good	18.015 \| good	39.297 \| good	0.761 \| good	2.779 \| good	0.429 \| good
2025-07-18T06:00:00.000Z	81 \| moderate	24.929 \| fine	109.061 \| fine	39.911 \| good	1.081 \| good	6.35 \| good	0.601 \| good
2025-07-18T07:00:00.000Z	69 \| moderate	18.522 \| fine	81.475 \| fine	37.888 \| good	1.078 \| good	6.549 \| good	0.609 \| good
2025-07-18T08:00:00.000Z	58 \| moderate	13.153 \| fine	58.636 \| fine	35.784 \| good	1.074 \| good	6.748 \| good	0.616 \| good
2025-07-18T09:00:00.000Z	60 \| moderate	14.214 \| fine	63.018 \| fine	33.542 \| good	1.071 \| good	6.947 \| good	0.624 \| good
2025-07-18T10:00:00.000Z	56 \| moderate	11.736 \| good	52.254 \| good	34.848 \| good	1.095 \| good	7.578 \| good	0.638 \| good
2025-07-18T11:00:00.000Z	38 \| good	6.867 \| good	30.508 \| good	36.139 \| good	1.119 \| good	8.209 \| good	0.653 \| good
2025-07-18T12:00:00.000Z	84 \| moderate	27.128 \| fine	118.296 \| fine	34.022 \| good	1.143 \| good	8.84 \| good	0.667 \| good
2025-07-18T13:00:00.000Z	69 \| moderate	19.357 \| fine	85.032 \| fine	34.392 \| good	0.972 \| good	6.858 \| good	0.575 \| good
2025-07-18T14:00:00.000Z	38 \| good	3.616 \| good	15.777 \| good	41.16 \| good	0.802 \| good	4.876 \| good	0.483 \| good
2025-07-18T15:00:00.000Z	41 \| good	3.517 \| good	15.37 \| good	43.89 \| good	0.631 \| good	2.895 \| good	0.391 \| good
2025-07-18T16:00:00.000Z	45 \| good	3.234 \| good	14.286 \| good	48.517 \| good	0.532 \| good	2.145 \| good	0.332 \| good
2025-07-18T17:00:00.000Z	48 \| good	2.011 \| good	8.332 \| good	52.231 \| good	0.433 \| good	1.395 \| good	0.272 \| good
2025-07-18T18:00:00.000Z	54 \| moderate	3.727 \| good	16.346 \| good	55.693 \| fine	0.334 \| good	0.646 \| good	0.213 \| good
2025-07-18T19:00:00.000Z	54 \| moderate	9.027 \| good	39.922 \| good	55.86 \| fine	0.347 \| good	0.975 \| good	0.23 \| good
2025-07-18T20:00:00.000Z	56 \| moderate	12.412 \| fine	55.175 \| fine	55.531 \| fine	0.36 \| good	1.303 \| good	0.248 \| good
2025-07-18T21:00:00.000Z	60 \| moderate	14.439 \| fine	64.078 \| fine	56.312 \| fine	0.373 \| good	1.632 \| good	0.265 \| good
2025-07-18T22:00:00.000Z	67 \| moderate	18.489 \| fine	82.09 \| fine	53.428 \| good	0.377 \| good	1.787 \| good	0.267 \| good
2025-07-18T23:00:00.000Z	79 \| moderate	23.744 \| fine	103.883 \| fine	51.778 \| good	0.382 \| good	1.941 \| good	0.269 \| good
2025-07-19T00:00:00.000Z	84 \| moderate	26.67 \| fine	116.927 \| fine	49.663 \| good	0.386 \| good	2.095 \| good	0.271 \| good
2025-07-19T01:00:00.000Z	84 \| moderate	26.638 \| fine	116.349 \| fine	47.728 \| good	0.413 \| good	3.138 \| good	0.283 \| good
2025-07-19T02:00:00.000Z	49 \| good	9.446 \| good	41.823 \| good	45.455 \| good	0.44 \| good	4.18 \| good	0.294 \| good
2025-07-19T03:00:00.000Z	45 \| good	8.475 \| good	37.423 \| good	48.689 \| good	0.467 \| good	5.223 \| good	0.306 \| good
2025-07-19T04:00:00.000Z	60 \| moderate	14.319 \| fine	63.709 \| fine	36.868 \| good	0.572 \| good	6.688 \| good	0.362 \| good
2025-07-19T05:00:00.000Z	81 \| moderate	24.655 \| fine	107.286 \| fine	35.121 \| good	0.676 \| good	8.154 \| good	0.418 \| good
2025-07-19T06:00:00.000Z	81 \| moderate	24.918 \| fine	108.937 \| fine	35.286 \| good	0.781 \| good	9.619 \| good	0.475 \| good
2025-07-19T07:00:00.000Z	84 \| moderate	26.565 \| fine	115.745 \| fine	35.713 \| good	0.859 \| good	10.473 \| good	0.509 \| good
2025-07-19T08:00:00.000Z	82 \| moderate	25.571 \| fine	111.657 \| fine	33.892 \| good	0.937 \| good	11.327 \| good	0.544 \| good
2025-07-19T09:00:00.000Z	81 \| moderate	24.887 \| fine	108.872 \| fine	29.933 \| good	1.016 \| good	12.181 \| good	0.579 \| good
2025-07-19T10:00:00.000Z	75 \| moderate	21.751 \| fine	95.597 \| fine	30.737 \| good	1.023 \| good	12.049 \| good	0.586 \| good
2025-07-19T11:00:00.000Z	67 \| moderate	18.457 \| fine	81.462 \| fine	31.212 \| good	1.03 \| good	11.916 \| good	0.594 \| good
2025-07-19T12:00:00.000Z	66 \| moderate	17.124 \| fine	76.602 \| fine	29.348 \| good	1.038 \| good	11.784 \| good	0.601 \| good
2025-07-19T13:00:00.000Z	62 \| moderate	15.294 \| fine	68.654 \| fine	26.613 \| good	0.91 \| good	9.029 \| good	0.53 \| good
2025-07-19T14:00:00.000Z	60 \| moderate	14.496 \| fine	64.493 \| fine	27.033 \| good	0.781 \| good	6.274 \| good	0.459 \| good
2025-07-19T15:00:00.000Z	58 \| moderate	13.294 \| fine	60.059 \| fine	34.058 \| good	0.653 \| good	3.52 \| good	0.387 \| good
2025-07-19T16:00:00.000Z	58 \| moderate	12.954 \| fine	58.543 \| fine	39.528 \| good	0.502 \| good	2.55 \| good	0.312 \| good
2025-07-19T17:00:00.000Z	58 \| moderate	13.383 \| fine	60.397 \| fine	43.251 \| good	0.35 \| good	1.581 \| good	0.237 \| good
2025-07-19T18:00:00.000Z	54 \| moderate	10.963 \| good	48.327 \| good	45.511 \| good	0.198 \| good	0.612 \| good	0.162 \| good
2025-07-19T19:00:00.000Z	49 \| good	6.688 \| good	29.917 \| good	52.571 \| good	0.22 \| good	0.843 \| good	0.171 \| good
2025-07-19T20:00:00.000Z	48 \| good	6.899 \| good	30.513 \| good	51.953 \| good	0.242 \| good	1.075 \| good	0.179 \| good
2025-07-19T21:00:00.000Z	49 \| good	6.716 \| good	30 \| good	53.212 \| good	0.263 \| good	1.307 \| good	0.188 \| good
2025-07-19T22:00:00.000Z	49 \| good	9.194 \| good	41 \| good	52.596 \| good	0.269 \| good	1.388 \| good	0.188 \| good
2025-07-19T23:00:00.000Z	49 \| good	8.631 \| good	37.867 \| good	51.945 \| good	0.274 \| good	1.468 \| good	0.187 \| good
2025-07-20T00:00:00.000Z	47 \| good	4.566 \| good	20 \| good	50.859 \| good	0.28 \| good	1.549 \| good	0.187 \| good
2025-07-20T01:00:00.000Z	44 \| good	6.79 \| good	30 \| good	47.225 \| good	0.3 \| good	2.433 \| good	0.196 \| good
2025-07-20T02:00:00.000Z	36 \| good	3.784 \| good	16.483 \| good	39.155 \| good	0.32 \| good	3.316 \| good	0.205 \| good
2025-07-20T03:00:00.000Z	33 \| good	6.191 \| good	27.429 \| good	35.468 \| good	0.341 \| good	4.2 \| good	0.214 \| good
2025-07-20T04:00:00.000Z	38 \| good	6.952 \| good	30.754 \| good	34.024 \| good	0.423 \| good	5.344 \| good	0.243 \| good
2025-07-20T05:00:00.000Z	62 \| moderate	15.394 \| fine	68.774 \| fine	33.027 \| good	0.504 \| good	6.488 \| good	0.271 \| 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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Empower business decisions with accurate air quality data

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 PM2.5 concentration in Grand Junction, Colorado right now?

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

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)

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

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