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

Grand Junction, Colorado currently has a PM10 concentration of 2.082 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 17.535 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 3.216 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 1.023 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)

1.02 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

2.08 μg/m³

155

255

425

605+

Ozone (O₃)

17.54 ppb

201

201+

Sulfur Dioxide (SO₂)

0.81 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.22 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.26 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
2026-10-20T22:00:00.000Z	35 \| good	2.591 \| good	8.124 \| good	37.538 \| good	0.79 \| good	1.106 \| good	0.201 \| good
2026-10-20T23:00:00.000Z	37 \| good	2.31 \| good	7.602 \| good	39.785 \| good	0.708 \| good	1.065 \| good	0.201 \| good
2026-10-21T00:00:00.000Z	38 \| good	2.235 \| good	6.727 \| good	40.918 \| good	0.705 \| good	1.474 \| good	0.2 \| good
2026-10-21T01:00:00.000Z	35 \| good	2.423 \| good	8.513 \| good	37.928 \| good	0.702 \| good	3.07 \| good	0.362 \| good
2026-10-21T02:00:00.000Z	31 \| good	3.003 \| good	10.392 \| good	33.702 \| good	0.806 \| good	4.203 \| good	0.497 \| good
2026-10-21T03:00:00.000Z	19 \| good	2.614 \| good	10.556 \| good	19.525 \| good	0.135 \| good	5.86 \| good	0.134 \| good
2026-10-21T04:00:00.000Z	27 \| good	4.608 \| good	16.369 \| good	26.23 \| good	0.787 \| good	4.55 \| good	0.484 \| good
2026-10-21T05:00:00.000Z	23 \| good	4.477 \| good	14.485 \| good	24.505 \| good	0.685 \| good	3.293 \| good	0.389 \| good
2026-10-21T06:00:00.000Z	22 \| good	4.141 \| good	11.864 \| good	19.966 \| good	0.81 \| good	2.175 \| good	0.427 \| good
2026-10-21T07:00:00.000Z	22 \| good	3.526 \| good	9.305 \| good	16.179 \| good	0.913 \| good	2.447 \| good	0.297 \| good
2026-10-21T08:00:00.000Z	18 \| good	3.146 \| good	7.221 \| good	18.933 \| good	0.75 \| good	3.911 \| good	0.275 \| good
2026-10-21T09:00:00.000Z	18 \| good	2.962 \| good	7.271 \| good	19.079 \| good	0.689 \| good	5.185 \| good	0.256 \| good
2026-10-21T10:00:00.000Z	18 \| good	2.866 \| good	6.262 \| good	18.557 \| good	0.648 \| good	3.656 \| good	0.257 \| good
2026-10-21T11:00:00.000Z	16 \| good	2.772 \| good	6.389 \| good	14.47 \| good	0.628 \| good	3.716 \| good	0.302 \| good
2026-10-21T12:00:00.000Z	16 \| good	2.829 \| good	6.472 \| good	8.665 \| good	0.646 \| good	2.89 \| good	0.341 \| good
2026-10-21T13:00:00.000Z	16 \| good	2.725 \| good	6.387 \| good	10.869 \| good	0.791 \| good	2.773 \| good	0.415 \| good
2026-10-21T14:00:00.000Z	16 \| good	2.927 \| good	7.569 \| good	9.961 \| good	1.114 \| good	5.955 \| good	0.41 \| good
2026-10-21T15:00:00.000Z	16 \| good	3.028 \| good	9.002 \| good	12.31 \| good	1.135 \| good	5.841 \| good	0.37 \| good
2026-10-21T16:00:00.000Z	16 \| good	3.09 \| good	9.463 \| good	16.045 \| good	1.239 \| good	5.069 \| good	0.293 \| good
2026-10-21T17:00:00.000Z	18 \| good	3.057 \| good	10.268 \| good	18.748 \| good	1.024 \| good	4.72 \| good	0.274 \| good
2026-10-21T18:00:00.000Z	18 \| good	3.345 \| good	11.5 \| good	18.687 \| good	0.929 \| good	3.562 \| good	0.28 \| good
2026-10-21T19:00:00.000Z	22 \| good	3.769 \| good	11.055 \| good	21.566 \| good	0.736 \| good	2.22 \| good	0.157 \| good
2026-10-21T20:00:00.000Z	22 \| good	3.938 \| good	9.175 \| good	23.728 \| good	0.585 \| good	2.384 \| good	0.139 \| good
2026-10-21T21:00:00.000Z	22 \| good	3.717 \| good	8.208 \| good	22.71 \| good	0.404 \| good	1.9 \| good	0.119 \| good
2026-10-21T22:00:00.000Z	23 \| good	3.419 \| good	6.302 \| good	25.147 \| good	0.423 \| good	3.866 \| good	0.157 \| good
2026-10-21T23:00:00.000Z	20 \| good	3.127 \| good	6.282 \| good	22.23 \| good	0.379 \| good	3.037 \| good	0.177 \| good
2026-10-22T00:00:00.000Z	19 \| good	2.944 \| good	5.54 \| good	20.544 \| good	0.604 \| good	2.69 \| good	0.218 \| good
2026-10-22T01:00:00.000Z	22 \| good	2.845 \| good	5.702 \| good	23.9 \| good	0.426 \| good	3.654 \| good	0.312 \| good
2026-10-22T02:00:00.000Z	21 \| good	2.494 \| good	4.527 \| good	22.63 \| good	0.338 \| good	3.753 \| good	0.364 \| good
2026-10-22T03:00:00.000Z	26 \| good	1.797 \| good	7.556 \| good	28.362 \| good	0.101 \| good	4.167 \| good	0.12 \| good
2026-10-22T04:00:00.000Z	16 \| good	1.949 \| good	3.715 \| good	16.629 \| good	0.551 \| good	3.906 \| good	0.328 \| good
2026-10-22T05:00:00.000Z	20 \| good	1.577 \| good	3.486 \| good	21.612 \| good	0.623 \| good	3.444 \| good	0.288 \| good
2026-10-22T06:00:00.000Z	19 \| good	1.354 \| good	2.546 \| good	20.953 \| good	0.482 \| good	3.014 \| good	0.177 \| good
2026-10-22T07:00:00.000Z	20 \| good	1.2 \| good	2.591 \| good	21.82 \| good	0.562 \| good	14.006 \| good	0.138 \| good
2026-10-22T08:00:00.000Z	15 \| good	1.266 \| good	2.84 \| good	16.328 \| good	0.521 \| good	3.296 \| good	0.138 \| good
2026-10-22T09:00:00.000Z	16 \| good	1.269 \| good	2.622 \| good	16.787 \| good	0.551 \| good	2.951 \| good	0.119 \| good
2026-10-22T10:00:00.000Z	17 \| good	1.071 \| good	2.189 \| good	17.898 \| good	0.408 \| good	2.801 \| good	0.139 \| good
2026-10-22T11:00:00.000Z	14 \| good	0.971 \| good	2.15 \| good	14.514 \| good	0.323 \| good	2.884 \| good	0.14 \| good
2026-10-22T12:00:00.000Z	18 \| good	0.877 \| good	2.352 \| good	18.673 \| good	0.582 \| good	3.518 \| good	0.14 \| good
2026-10-22T13:00:00.000Z	19 \| good	0.993 \| good	2.222 \| good	20.005 \| good	0.425 \| good	2.841 \| good	0.223 \| good
2026-10-22T14:00:00.000Z	15 \| good	1.279 \| good	3.313 \| good	16.061 \| good	0.582 \| good	4.529 \| good	0.295 \| good
2026-10-22T15:00:00.000Z	18 \| good	1.559 \| good	3.283 \| good	19.344 \| good	0.744 \| good	6.715 \| good	0.45 \| good
2026-10-22T16:00:00.000Z	14 \| good	1.56 \| good	3.45 \| good	15.167 \| good	0.931 \| good	5.544 \| good	0.351 \| good
2026-10-22T17:00:00.000Z	14 \| good	1.164 \| good	2.372 \| good	14.72 \| good	1.049 \| good	3.928 \| good	0.398 \| good
2026-10-22T18:00:00.000Z	13 \| good	0.963 \| good	2.473 \| good	13.631 \| good	0.89 \| good	4.119 \| good	0.254 \| good
2026-10-22T19:00:00.000Z	16 \| good	0.951 \| good	2.717 \| good	17.162 \| good	0.726 \| good	3.081 \| good	0.239 \| good
2026-10-22T20:00:00.000Z	17 \| good	1.038 \| good	2.151 \| good	17.808 \| good	0.81 \| good	3.208 \| good	0.256 \| good
2026-10-22T21:00:00.000Z	17 \| good	1.023 \| good	2.082 \| good	17.535 \| good	0.808 \| good	3.216 \| good	0.256 \| good
2026-10-22T22:00:00.000Z	19 \| good	1.439 \| good	5.827 \| good	20.633 \| good	0.155 \| good	0.5 \| good	0.091 \| good
2026-10-22T23:00:00.000Z	18 \| good	1.807 \| good	7.445 \| good	19.346 \| good	0.16 \| good	0.625 \| good	0.093 \| good
2026-10-23T00:00:00.000Z	19 \| good	1.976 \| good	8 \| good	20.572 \| good	0.159 \| good	1.381 \| good	0.1 \| good
2026-10-23T01:00:00.000Z	21 \| good	1.955 \| good	7.969 \| good	23.304 \| good	0.159 \| good	2.477 \| good	0.11 \| good
2026-10-23T02:00:00.000Z	27 \| good	1.928 \| good	7.969 \| good	29.138 \| good	0.163 \| good	2.829 \| good	0.113 \| good
2026-10-23T03:00:00.000Z	23 \| good	1.947 \| good	7.968 \| good	24.705 \| good	0.167 \| good	2.937 \| good	0.115 \| good
2026-10-23T04:00:00.000Z	18 \| good	1.964 \| good	7.969 \| good	18.521 \| good	0.17 \| good	2.958 \| good	0.116 \| good
2026-10-23T05:00:00.000Z	13 \| good	1.912 \| good	7.859 \| good	14.459 \| good	0.172 \| good	2.916 \| good	0.116 \| good
2026-10-23T06:00:00.000Z	14 \| good	1.771 \| good	7.451 \| good	15.44 \| good	0.171 \| good	2.602 \| good	0.115 \| good
2026-10-23T07:00:00.000Z	17 \| good	1.291 \| good	5.35 \| good	18.314 \| good	0.166 \| good	2.179 \| good	0.114 \| good
2026-10-23T08:00:00.000Z	19 \| good	1.05 \| good	4.453 \| good	19.91 \| good	0.161 \| good	1.859 \| good	0.112 \| good
2026-10-23T09:00:00.000Z	21 \| good	0.932 \| good	3.827 \| good	22.897 \| good	0.15 \| good	1.472 \| good	0.11 \| good
2026-10-23T10:00:00.000Z	19 \| good	0.894 \| good	3.514 \| good	19.528 \| good	0.14 \| good	1.384 \| good	0.109 \| good
2026-10-23T11:00:00.000Z	19 \| good	0.946 \| good	3.969 \| good	20.105 \| good	0.125 \| good	1.355 \| good	0.109 \| good
2026-10-23T12:00:00.000Z	18 \| good	1.136 \| good	4.514 \| good	19.116 \| good	0.106 \| good	1.111 \| good	0.106 \| good
2026-10-23T13:00:00.000Z	19 \| good	1.44 \| good	5.546 \| good	21.302 \| good	0.1 \| good	1.325 \| good	0.105 \| good
2026-10-23T14:00:00.000Z	19 \| good	1.721 \| good	7.289 \| good	20.374 \| good	0.103 \| good	1.849 \| good	0.109 \| good
2026-10-23T15:00:00.000Z	28 \| good	1.461 \| good	5.907 \| good	29.965 \| good	0.104 \| good	1.772 \| good	0.112 \| good
2026-10-23T16:00:00.000Z	31 \| good	1.299 \| good	5 \| good	33.942 \| good	0.083 \| good	0.519 \| good	0.098 \| good
2026-10-23T17:00:00.000Z	34 \| good	1.231 \| good	5 \| good	37.301 \| good	0.077 \| good	0.28 \| good	0.097 \| good
2026-10-23T18:00:00.000Z	31 \| good	1.19 \| good	5 \| good	34.371 \| good	0.077 \| good	0.205 \| good	0.098 \| good
2026-10-23T19:00:00.000Z	37 \| good	1.199 \| good	5 \| good	39.613 \| good	0.079 \| good	0.172 \| good	0.1 \| good
2026-10-23T20:00:00.000Z	37 \| good	1.203 \| good	5 \| good	39.761 \| good	0.081 \| good	0.163 \| good	0.101 \| good
2026-10-23T21:00:00.000Z	36 \| good	1.217 \| good	5 \| good	39.36 \| good	0.083 \| good	0.168 \| good	0.103 \| good
2026-10-23T22:00:00.000Z	32 \| good	1.301 \| good	5.03 \| good	35.02 \| good	0.086 \| good	0.193 \| good	0.104 \| good
2026-10-23T23:00:00.000Z	31 \| good	1.724 \| good	7.04 \| good	32.764 \| good	0.09 \| good	0.244 \| good	0.105 \| good
2026-10-24T00:00:00.000Z	31 \| good	2.26 \| good	9.414 \| good	32.797 \| good	0.093 \| good	0.844 \| good	0.111 \| good
2026-10-24T01:00:00.000Z	29 \| good	2.52 \| good	10.25 \| good	31.312 \| good	0.095 \| good	2.119 \| good	0.121 \| good
2026-10-24T02:00:00.000Z	27 \| good	2.657 \| good	10.765 \| good	28.752 \| good	0.099 \| good	2.955 \| good	0.128 \| good
2026-10-24T03:00:00.000Z	28 \| good	2.619 \| good	10.733 \| good	29.844 \| good	0.105 \| good	3.834 \| good	0.134 \| good
2026-10-24T04:00:00.000Z	21 \| good	2.405 \| good	10.046 \| good	22.656 \| good	0.109 \| good	4.68 \| good	0.139 \| good
2026-10-24T05:00:00.000Z	21 \| good	2.215 \| good	9.208 \| good	22.566 \| good	0.111 \| good	5.61 \| good	0.144 \| good
2026-10-24T06:00:00.000Z	19 \| good	2.054 \| good	8.515 \| good	20.526 \| good	0.106 \| good	6.3 \| good	0.148 \| good
2026-10-24T07:00:00.000Z	16 \| good	1.854 \| good	7.483 \| good	17.382 \| good	0.093 \| good	6.536 \| good	0.15 \| good
2026-10-24T08:00:00.000Z	17 \| good	1.724 \| good	7.282 \| good	18.084 \| good	0.082 \| good	6.607 \| good	0.15 \| good
2026-10-24T09:00:00.000Z	16 \| good	1.622 \| good	6.514 \| good	17.099 \| good	0.075 \| good	6.606 \| good	0.149 \| good
2026-10-24T10:00:00.000Z	12 \| good	1.551 \| good	6.414 \| good	13.25 \| good	0.07 \| good	6.555 \| good	0.149 \| good
2026-10-24T11:00:00.000Z	14 \| good	1.554 \| good	6.165 \| good	14.732 \| good	0.068 \| good	6.365 \| good	0.147 \| good
2026-10-24T12:00:00.000Z	12 \| good	1.638 \| good	6.587 \| good	13.066 \| good	0.068 \| good	6.074 \| good	0.145 \| good
2026-10-24T13:00:00.000Z	11 \| good	1.795 \| good	7.587 \| good	11.8 \| good	0.07 \| good	5.741 \| good	0.143 \| good
2026-10-24T14:00:00.000Z	11 \| good	2.001 \| good	8.134 \| good	10.412 \| good	0.078 \| good	5.518 \| good	0.144 \| good
2026-10-24T15:00:00.000Z	13 \| good	1.999 \| good	8.133 \| good	13.993 \| good	0.082 \| good	4.246 \| good	0.145 \| good
2026-10-24T16:00:00.000Z	17 \| good	1.955 \| good	8 \| good	17.606 \| good	0.09 \| good	2.689 \| good	0.135 \| good
2026-10-24T17:00:00.000Z	21 \| good	1.949 \| good	8 \| good	23.206 \| good	0.114 \| good	1.491 \| good	0.122 \| good
2026-10-24T18:00:00.000Z	25 \| good	1.963 \| good	8 \| good	26.914 \| good	0.127 \| good	0.918 \| good	0.116 \| good
2026-10-24T19:00:00.000Z	30 \| good	1.942 \| good	7.968 \| good	31.878 \| good	0.128 \| good	0.632 \| good	0.111 \| good
2026-10-24T20:00:00.000Z	33 \| good	1.92 \| good	7.938 \| good	35.755 \| good	0.128 \| good	0.499 \| good	0.109 \| good
2026-10-24T21:00:00.000Z	34 \| good	1.859 \| good	7.797 \| good	37.013 \| good	0.128 \| good	0.495 \| good	0.109 \| good

Grand Junction

Empower business decisions with accurate air quality data

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

0.12ppm

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

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

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 03:00:00, 2026-10-22.

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 06:00:00 on 2026-10-22.

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 17.

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 1.023 μg/m³.

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

Grand Junction, Colorado currently has a PM₁₀ concentration of 2.082 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 0.256 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 17.535 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 3.216 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T22:00:00.000Z	35 \| good	2.591 \| good	8.124 \| good	37.538 \| good	0.79 \| good	1.106 \| good	0.201 \| good
2026-10-20T23:00:00.000Z	37 \| good	2.31 \| good	7.602 \| good	39.785 \| good	0.708 \| good	1.065 \| good	0.201 \| good
2026-10-21T00:00:00.000Z	38 \| good	2.235 \| good	6.727 \| good	40.918 \| good	0.705 \| good	1.474 \| good	0.2 \| good
2026-10-21T01:00:00.000Z	35 \| good	2.423 \| good	8.513 \| good	37.928 \| good	0.702 \| good	3.07 \| good	0.362 \| good
2026-10-21T02:00:00.000Z	31 \| good	3.003 \| good	10.392 \| good	33.702 \| good	0.806 \| good	4.203 \| good	0.497 \| good
2026-10-21T03:00:00.000Z	19 \| good	2.614 \| good	10.556 \| good	19.525 \| good	0.135 \| good	5.86 \| good	0.134 \| good
2026-10-21T04:00:00.000Z	27 \| good	4.608 \| good	16.369 \| good	26.23 \| good	0.787 \| good	4.55 \| good	0.484 \| good
2026-10-21T05:00:00.000Z	23 \| good	4.477 \| good	14.485 \| good	24.505 \| good	0.685 \| good	3.293 \| good	0.389 \| good
2026-10-21T06:00:00.000Z	22 \| good	4.141 \| good	11.864 \| good	19.966 \| good	0.81 \| good	2.175 \| good	0.427 \| good
2026-10-21T07:00:00.000Z	22 \| good	3.526 \| good	9.305 \| good	16.179 \| good	0.913 \| good	2.447 \| good	0.297 \| good
2026-10-21T08:00:00.000Z	18 \| good	3.146 \| good	7.221 \| good	18.933 \| good	0.75 \| good	3.911 \| good	0.275 \| good
2026-10-21T09:00:00.000Z	18 \| good	2.962 \| good	7.271 \| good	19.079 \| good	0.689 \| good	5.185 \| good	0.256 \| good
2026-10-21T10:00:00.000Z	18 \| good	2.866 \| good	6.262 \| good	18.557 \| good	0.648 \| good	3.656 \| good	0.257 \| good
2026-10-21T11:00:00.000Z	16 \| good	2.772 \| good	6.389 \| good	14.47 \| good	0.628 \| good	3.716 \| good	0.302 \| good
2026-10-21T12:00:00.000Z	16 \| good	2.829 \| good	6.472 \| good	8.665 \| good	0.646 \| good	2.89 \| good	0.341 \| good
2026-10-21T13:00:00.000Z	16 \| good	2.725 \| good	6.387 \| good	10.869 \| good	0.791 \| good	2.773 \| good	0.415 \| good
2026-10-21T14:00:00.000Z	16 \| good	2.927 \| good	7.569 \| good	9.961 \| good	1.114 \| good	5.955 \| good	0.41 \| good
2026-10-21T15:00:00.000Z	16 \| good	3.028 \| good	9.002 \| good	12.31 \| good	1.135 \| good	5.841 \| good	0.37 \| good
2026-10-21T16:00:00.000Z	16 \| good	3.09 \| good	9.463 \| good	16.045 \| good	1.239 \| good	5.069 \| good	0.293 \| good
2026-10-21T17:00:00.000Z	18 \| good	3.057 \| good	10.268 \| good	18.748 \| good	1.024 \| good	4.72 \| good	0.274 \| good
2026-10-21T18:00:00.000Z	18 \| good	3.345 \| good	11.5 \| good	18.687 \| good	0.929 \| good	3.562 \| good	0.28 \| good
2026-10-21T19:00:00.000Z	22 \| good	3.769 \| good	11.055 \| good	21.566 \| good	0.736 \| good	2.22 \| good	0.157 \| good
2026-10-21T20:00:00.000Z	22 \| good	3.938 \| good	9.175 \| good	23.728 \| good	0.585 \| good	2.384 \| good	0.139 \| good
2026-10-21T21:00:00.000Z	22 \| good	3.717 \| good	8.208 \| good	22.71 \| good	0.404 \| good	1.9 \| good	0.119 \| good
2026-10-21T22:00:00.000Z	23 \| good	3.419 \| good	6.302 \| good	25.147 \| good	0.423 \| good	3.866 \| good	0.157 \| good
2026-10-21T23:00:00.000Z	20 \| good	3.127 \| good	6.282 \| good	22.23 \| good	0.379 \| good	3.037 \| good	0.177 \| good
2026-10-22T00:00:00.000Z	19 \| good	2.944 \| good	5.54 \| good	20.544 \| good	0.604 \| good	2.69 \| good	0.218 \| good
2026-10-22T01:00:00.000Z	22 \| good	2.845 \| good	5.702 \| good	23.9 \| good	0.426 \| good	3.654 \| good	0.312 \| good
2026-10-22T02:00:00.000Z	21 \| good	2.494 \| good	4.527 \| good	22.63 \| good	0.338 \| good	3.753 \| good	0.364 \| good
2026-10-22T03:00:00.000Z	26 \| good	1.797 \| good	7.556 \| good	28.362 \| good	0.101 \| good	4.167 \| good	0.12 \| good
2026-10-22T04:00:00.000Z	16 \| good	1.949 \| good	3.715 \| good	16.629 \| good	0.551 \| good	3.906 \| good	0.328 \| good
2026-10-22T05:00:00.000Z	20 \| good	1.577 \| good	3.486 \| good	21.612 \| good	0.623 \| good	3.444 \| good	0.288 \| good
2026-10-22T06:00:00.000Z	19 \| good	1.354 \| good	2.546 \| good	20.953 \| good	0.482 \| good	3.014 \| good	0.177 \| good
2026-10-22T07:00:00.000Z	20 \| good	1.2 \| good	2.591 \| good	21.82 \| good	0.562 \| good	14.006 \| good	0.138 \| good
2026-10-22T08:00:00.000Z	15 \| good	1.266 \| good	2.84 \| good	16.328 \| good	0.521 \| good	3.296 \| good	0.138 \| good
2026-10-22T09:00:00.000Z	16 \| good	1.269 \| good	2.622 \| good	16.787 \| good	0.551 \| good	2.951 \| good	0.119 \| good
2026-10-22T10:00:00.000Z	17 \| good	1.071 \| good	2.189 \| good	17.898 \| good	0.408 \| good	2.801 \| good	0.139 \| good
2026-10-22T11:00:00.000Z	14 \| good	0.971 \| good	2.15 \| good	14.514 \| good	0.323 \| good	2.884 \| good	0.14 \| good
2026-10-22T12:00:00.000Z	18 \| good	0.877 \| good	2.352 \| good	18.673 \| good	0.582 \| good	3.518 \| good	0.14 \| good
2026-10-22T13:00:00.000Z	19 \| good	0.993 \| good	2.222 \| good	20.005 \| good	0.425 \| good	2.841 \| good	0.223 \| good
2026-10-22T14:00:00.000Z	15 \| good	1.279 \| good	3.313 \| good	16.061 \| good	0.582 \| good	4.529 \| good	0.295 \| good
2026-10-22T15:00:00.000Z	18 \| good	1.559 \| good	3.283 \| good	19.344 \| good	0.744 \| good	6.715 \| good	0.45 \| good
2026-10-22T16:00:00.000Z	14 \| good	1.56 \| good	3.45 \| good	15.167 \| good	0.931 \| good	5.544 \| good	0.351 \| good
2026-10-22T17:00:00.000Z	14 \| good	1.164 \| good	2.372 \| good	14.72 \| good	1.049 \| good	3.928 \| good	0.398 \| good
2026-10-22T18:00:00.000Z	13 \| good	0.963 \| good	2.473 \| good	13.631 \| good	0.89 \| good	4.119 \| good	0.254 \| good
2026-10-22T19:00:00.000Z	16 \| good	0.951 \| good	2.717 \| good	17.162 \| good	0.726 \| good	3.081 \| good	0.239 \| good
2026-10-22T20:00:00.000Z	17 \| good	1.038 \| good	2.151 \| good	17.808 \| good	0.81 \| good	3.208 \| good	0.256 \| good
2026-10-22T21:00:00.000Z	17 \| good	1.023 \| good	2.082 \| good	17.535 \| good	0.808 \| good	3.216 \| good	0.256 \| good
2026-10-22T22:00:00.000Z	19 \| good	1.439 \| good	5.827 \| good	20.633 \| good	0.155 \| good	0.5 \| good	0.091 \| good
2026-10-22T23:00:00.000Z	18 \| good	1.807 \| good	7.445 \| good	19.346 \| good	0.16 \| good	0.625 \| good	0.093 \| good
2026-10-23T00:00:00.000Z	19 \| good	1.976 \| good	8 \| good	20.572 \| good	0.159 \| good	1.381 \| good	0.1 \| good
2026-10-23T01:00:00.000Z	21 \| good	1.955 \| good	7.969 \| good	23.304 \| good	0.159 \| good	2.477 \| good	0.11 \| good
2026-10-23T02:00:00.000Z	27 \| good	1.928 \| good	7.969 \| good	29.138 \| good	0.163 \| good	2.829 \| good	0.113 \| good
2026-10-23T03:00:00.000Z	23 \| good	1.947 \| good	7.968 \| good	24.705 \| good	0.167 \| good	2.937 \| good	0.115 \| good
2026-10-23T04:00:00.000Z	18 \| good	1.964 \| good	7.969 \| good	18.521 \| good	0.17 \| good	2.958 \| good	0.116 \| good
2026-10-23T05:00:00.000Z	13 \| good	1.912 \| good	7.859 \| good	14.459 \| good	0.172 \| good	2.916 \| good	0.116 \| good
2026-10-23T06:00:00.000Z	14 \| good	1.771 \| good	7.451 \| good	15.44 \| good	0.171 \| good	2.602 \| good	0.115 \| good
2026-10-23T07:00:00.000Z	17 \| good	1.291 \| good	5.35 \| good	18.314 \| good	0.166 \| good	2.179 \| good	0.114 \| good
2026-10-23T08:00:00.000Z	19 \| good	1.05 \| good	4.453 \| good	19.91 \| good	0.161 \| good	1.859 \| good	0.112 \| good
2026-10-23T09:00:00.000Z	21 \| good	0.932 \| good	3.827 \| good	22.897 \| good	0.15 \| good	1.472 \| good	0.11 \| good
2026-10-23T10:00:00.000Z	19 \| good	0.894 \| good	3.514 \| good	19.528 \| good	0.14 \| good	1.384 \| good	0.109 \| good
2026-10-23T11:00:00.000Z	19 \| good	0.946 \| good	3.969 \| good	20.105 \| good	0.125 \| good	1.355 \| good	0.109 \| good
2026-10-23T12:00:00.000Z	18 \| good	1.136 \| good	4.514 \| good	19.116 \| good	0.106 \| good	1.111 \| good	0.106 \| good
2026-10-23T13:00:00.000Z	19 \| good	1.44 \| good	5.546 \| good	21.302 \| good	0.1 \| good	1.325 \| good	0.105 \| good
2026-10-23T14:00:00.000Z	19 \| good	1.721 \| good	7.289 \| good	20.374 \| good	0.103 \| good	1.849 \| good	0.109 \| good
2026-10-23T15:00:00.000Z	28 \| good	1.461 \| good	5.907 \| good	29.965 \| good	0.104 \| good	1.772 \| good	0.112 \| good
2026-10-23T16:00:00.000Z	31 \| good	1.299 \| good	5 \| good	33.942 \| good	0.083 \| good	0.519 \| good	0.098 \| good
2026-10-23T17:00:00.000Z	34 \| good	1.231 \| good	5 \| good	37.301 \| good	0.077 \| good	0.28 \| good	0.097 \| good
2026-10-23T18:00:00.000Z	31 \| good	1.19 \| good	5 \| good	34.371 \| good	0.077 \| good	0.205 \| good	0.098 \| good
2026-10-23T19:00:00.000Z	37 \| good	1.199 \| good	5 \| good	39.613 \| good	0.079 \| good	0.172 \| good	0.1 \| good
2026-10-23T20:00:00.000Z	37 \| good	1.203 \| good	5 \| good	39.761 \| good	0.081 \| good	0.163 \| good	0.101 \| good
2026-10-23T21:00:00.000Z	36 \| good	1.217 \| good	5 \| good	39.36 \| good	0.083 \| good	0.168 \| good	0.103 \| good
2026-10-23T22:00:00.000Z	32 \| good	1.301 \| good	5.03 \| good	35.02 \| good	0.086 \| good	0.193 \| good	0.104 \| good
2026-10-23T23:00:00.000Z	31 \| good	1.724 \| good	7.04 \| good	32.764 \| good	0.09 \| good	0.244 \| good	0.105 \| good
2026-10-24T00:00:00.000Z	31 \| good	2.26 \| good	9.414 \| good	32.797 \| good	0.093 \| good	0.844 \| good	0.111 \| good
2026-10-24T01:00:00.000Z	29 \| good	2.52 \| good	10.25 \| good	31.312 \| good	0.095 \| good	2.119 \| good	0.121 \| good
2026-10-24T02:00:00.000Z	27 \| good	2.657 \| good	10.765 \| good	28.752 \| good	0.099 \| good	2.955 \| good	0.128 \| good
2026-10-24T03:00:00.000Z	28 \| good	2.619 \| good	10.733 \| good	29.844 \| good	0.105 \| good	3.834 \| good	0.134 \| good
2026-10-24T04:00:00.000Z	21 \| good	2.405 \| good	10.046 \| good	22.656 \| good	0.109 \| good	4.68 \| good	0.139 \| good
2026-10-24T05:00:00.000Z	21 \| good	2.215 \| good	9.208 \| good	22.566 \| good	0.111 \| good	5.61 \| good	0.144 \| good
2026-10-24T06:00:00.000Z	19 \| good	2.054 \| good	8.515 \| good	20.526 \| good	0.106 \| good	6.3 \| good	0.148 \| good
2026-10-24T07:00:00.000Z	16 \| good	1.854 \| good	7.483 \| good	17.382 \| good	0.093 \| good	6.536 \| good	0.15 \| good
2026-10-24T08:00:00.000Z	17 \| good	1.724 \| good	7.282 \| good	18.084 \| good	0.082 \| good	6.607 \| good	0.15 \| good
2026-10-24T09:00:00.000Z	16 \| good	1.622 \| good	6.514 \| good	17.099 \| good	0.075 \| good	6.606 \| good	0.149 \| good
2026-10-24T10:00:00.000Z	12 \| good	1.551 \| good	6.414 \| good	13.25 \| good	0.07 \| good	6.555 \| good	0.149 \| good
2026-10-24T11:00:00.000Z	14 \| good	1.554 \| good	6.165 \| good	14.732 \| good	0.068 \| good	6.365 \| good	0.147 \| good
2026-10-24T12:00:00.000Z	12 \| good	1.638 \| good	6.587 \| good	13.066 \| good	0.068 \| good	6.074 \| good	0.145 \| good
2026-10-24T13:00:00.000Z	11 \| good	1.795 \| good	7.587 \| good	11.8 \| good	0.07 \| good	5.741 \| good	0.143 \| good
2026-10-24T14:00:00.000Z	11 \| good	2.001 \| good	8.134 \| good	10.412 \| good	0.078 \| good	5.518 \| good	0.144 \| good
2026-10-24T15:00:00.000Z	13 \| good	1.999 \| good	8.133 \| good	13.993 \| good	0.082 \| good	4.246 \| good	0.145 \| good
2026-10-24T16:00:00.000Z	17 \| good	1.955 \| good	8 \| good	17.606 \| good	0.09 \| good	2.689 \| good	0.135 \| good
2026-10-24T17:00:00.000Z	21 \| good	1.949 \| good	8 \| good	23.206 \| good	0.114 \| good	1.491 \| good	0.122 \| good
2026-10-24T18:00:00.000Z	25 \| good	1.963 \| good	8 \| good	26.914 \| good	0.127 \| good	0.918 \| good	0.116 \| good
2026-10-24T19:00:00.000Z	30 \| good	1.942 \| good	7.968 \| good	31.878 \| good	0.128 \| good	0.632 \| good	0.111 \| good
2026-10-24T20:00:00.000Z	33 \| good	1.92 \| good	7.938 \| good	35.755 \| good	0.128 \| good	0.499 \| good	0.109 \| good
2026-10-24T21:00:00.000Z	34 \| good	1.859 \| good	7.797 \| good	37.013 \| good	0.128 \| good	0.495 \| good	0.109 \| 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)

Track live Grand Junction, Colorado air quality forecast and history

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

How accurate is Colorado, USA air quality data?

Air quality levels in US

Frequently asked questions

How frequently does the air quality data for Grand Junction, Colorado get updated?

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

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

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

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

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

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

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

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?

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

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

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

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

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

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