What is the current level of PM10 in Rosemont, California?

Rosemont, California currently has a PM10 concentration of 63.394 μg/m3.

What is the current level of sulfur dioxide (SO2) in Rosemont, California?

The current sulfur dioxide (SO2) concentration in Rosemont, California is 0.922 ppb.

What is the current level of ozone (O3) in Rosemont, California?

Rosemont, California currently has an ozone (O3) concentration of 7.252 ppm.

What is the current level of nitrogen dioxide (NO2) in Rosemont, California?

The current level of nitrogen dioxide (NO2) in Rosemont, California is 8.718 ppb.

Current air quality index in Rosemont, California today

Q: What is the PM2.5 concentration in Rosemont, California right now?

Rosemont, California currently has a PM2.5 concentration of 16.262 μg/m3.

Stay updated with real-time air quality in Rosemont, California 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

Rosemont, California

Last updated: ... (Local time)

Common air pollutants in Rosemont, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

17.60 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

68.71 μg/m³

155

255

425

605+

Ozone (O₃)

8.79 ppb

201

201+

Sulfur Dioxide (SO₂)

0.73 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

8.85 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.40 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Rosemont, California

Get Live Pollen Counts

Rosemont, California

Scroll To Air Quality Map

Track live Rosemont, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-22T00:00:00.000Z	52 \| moderate	10.092 \| good	28.982 \| good	7.394 \| good	0.895 \| good	9.455 \| good	0.481 \| good
2026-01-22T01:00:00.000Z	54 \| moderate	11.452 \| good	29.312 \| good	5.762 \| good	0.796 \| good	10.375 \| good	0.475 \| good
2026-01-22T02:00:00.000Z	60 \| moderate	13.794 \| fine	45.658 \| good	5.397 \| good	0.749 \| good	11.78 \| good	0.481 \| good
2026-01-22T03:00:00.000Z	62 \| moderate	15.12 \| fine	50.752 \| good	5.021 \| good	0.765 \| good	10.832 \| good	0.493 \| good
2026-01-22T04:00:00.000Z	62 \| moderate	14.522 \| fine	49.264 \| good	4.538 \| good	0.743 \| good	10.494 \| good	0.416 \| good
2026-01-22T05:00:00.000Z	64 \| moderate	15.638 \| fine	52.093 \| good	3.713 \| good	0.747 \| good	11.029 \| good	0.558 \| good
2026-01-22T06:00:00.000Z	64 \| moderate	15.976 \| fine	52.868 \| good	4.131 \| good	0.799 \| good	8.896 \| good	0.422 \| good
2026-01-22T07:00:00.000Z	62 \| moderate	14.511 \| fine	47.267 \| good	4.334 \| good	0.801 \| good	7.034 \| good	0.356 \| good
2026-01-22T08:00:00.000Z	60 \| moderate	14.178 \| fine	46.992 \| good	4.169 \| good	0.891 \| good	6.444 \| good	0.356 \| good
2026-01-22T09:00:00.000Z	62 \| moderate	14.948 \| fine	50.077 \| good	3.687 \| good	0.818 \| good	7.031 \| good	0.421 \| good
2026-01-22T10:00:00.000Z	60 \| moderate	13.833 \| fine	47.475 \| good	3.494 \| good	0.819 \| good	6.618 \| good	0.421 \| good
2026-01-22T11:00:00.000Z	60 \| moderate	14.02 \| fine	49.058 \| good	2.966 \| good	0.816 \| good	6.343 \| good	0.422 \| good
2026-01-22T12:00:00.000Z	62 \| moderate	15.201 \| fine	51.151 \| good	3.44 \| good	0.766 \| good	7.712 \| good	0.352 \| good
2026-01-22T13:00:00.000Z	62 \| moderate	15.32 \| fine	51.449 \| good	3.954 \| good	0.831 \| good	7.076 \| good	0.352 \| good
2026-01-22T14:00:00.000Z	62 \| moderate	14.632 \| fine	48.081 \| good	3.649 \| good	0.796 \| good	7.427 \| good	0.357 \| good
2026-01-22T15:00:00.000Z	62 \| moderate	15.492 \| fine	51.406 \| good	3.272 \| good	0.806 \| good	8.122 \| good	0.499 \| good
2026-01-22T16:00:00.000Z	60 \| moderate	14.259 \| fine	48.973 \| good	3.105 \| good	0.785 \| good	7.675 \| good	0.439 \| good
2026-01-22T17:00:00.000Z	64 \| moderate	15.862 \| fine	54.345 \| good	2.966 \| good	0.826 \| good	7.932 \| good	0.547 \| good
2026-01-22T18:00:00.000Z	64 \| moderate	16.177 \| fine	54.271 \| good	3.657 \| good	0.922 \| good	7.724 \| good	0.641 \| good
2026-01-22T19:00:00.000Z	69 \| moderate	18.771 \| fine	64.947 \| fine	4.552 \| good	0.918 \| good	7.145 \| good	0.451 \| good
2026-01-22T20:00:00.000Z	69 \| moderate	19.313 \| fine	65.656 \| fine	6.623 \| good	1.062 \| good	7.149 \| good	0.421 \| good
2026-01-22T21:00:00.000Z	71 \| moderate	19.509 \| fine	64.94 \| fine	8.45 \| good	0.949 \| good	6.268 \| good	0.318 \| good
2026-01-22T22:00:00.000Z	73 \| moderate	21.109 \| fine	69.367 \| fine	10.722 \| good	0.819 \| good	5.558 \| good	0.376 \| good
2026-01-22T23:00:00.000Z	75 \| moderate	21.568 \| fine	69.83 \| fine	12.702 \| good	1.091 \| good	5.822 \| good	0.389 \| good
2026-01-23T00:00:00.000Z	73 \| moderate	21.418 \| fine	69.095 \| fine	15.048 \| good	0.962 \| good	6.844 \| good	0.301 \| good
2026-01-23T01:00:00.000Z	75 \| moderate	21.752 \| fine	69.493 \| fine	16.892 \| good	0.839 \| good	7.425 \| good	0.367 \| good
2026-01-23T02:00:00.000Z	73 \| moderate	20.867 \| fine	67.255 \| fine	14.227 \| good	0.862 \| good	10.01 \| good	0.384 \| good
2026-01-23T03:00:00.000Z	75 \| moderate	22.045 \| fine	71.732 \| fine	11.75 \| good	0.777 \| good	11.803 \| good	0.512 \| good
2026-01-23T04:00:00.000Z	79 \| moderate	24.022 \| fine	77.713 \| fine	8.915 \| good	0.67 \| good	12.275 \| good	0.477 \| good
2026-01-23T05:00:00.000Z	81 \| moderate	25.027 \| fine	78.512 \| fine	7.491 \| good	0.574 \| good	12.821 \| good	0.544 \| good
2026-01-23T06:00:00.000Z	81 \| moderate	25.136 \| fine	79.176 \| fine	7.133 \| good	0.486 \| good	13.689 \| good	0.532 \| good
2026-01-23T07:00:00.000Z	82 \| moderate	25.755 \| fine	85.938 \| fine	6.218 \| good	0.467 \| good	13.525 \| good	0.544 \| good
2026-01-23T08:00:00.000Z	82 \| moderate	25.528 \| fine	81.24 \| fine	6.205 \| good	0.473 \| good	12.284 \| good	0.598 \| good
2026-01-23T09:00:00.000Z	77 \| moderate	23.481 \| fine	78.81 \| fine	8.348 \| good	0.523 \| good	12.25 \| good	0.668 \| good
2026-01-23T10:00:00.000Z	77 \| moderate	23.485 \| fine	80.679 \| fine	7.933 \| good	0.609 \| good	10.619 \| good	0.751 \| good
2026-01-23T11:00:00.000Z	77 \| moderate	23.167 \| fine	77.668 \| fine	4.513 \| good	0.573 \| good	9.667 \| good	0.75 \| good
2026-01-23T12:00:00.000Z	75 \| moderate	22.189 \| fine	73.364 \| fine	4.669 \| good	0.408 \| good	9.184 \| good	0.744 \| good
2026-01-23T13:00:00.000Z	73 \| moderate	21.265 \| fine	71.874 \| fine	4.672 \| good	1.087 \| good	9.121 \| good	0.719 \| good
2026-01-23T14:00:00.000Z	66 \| moderate	17.462 \| fine	60.261 \| fine	4.281 \| good	1.068 \| good	7.996 \| good	0.377 \| good
2026-01-23T15:00:00.000Z	62 \| moderate	15.298 \| fine	53.068 \| good	4.113 \| good	1.015 \| good	8.524 \| good	0.39 \| good
2026-01-23T16:00:00.000Z	62 \| moderate	14.673 \| fine	49.351 \| good	3.671 \| good	0.867 \| good	7.969 \| good	0.46 \| good
2026-01-23T17:00:00.000Z	58 \| moderate	13.311 \| fine	42.105 \| good	4.235 \| good	0.801 \| good	7.841 \| good	0.402 \| good
2026-01-23T18:00:00.000Z	56 \| moderate	11.74 \| good	39.62 \| good	5.354 \| good	0.803 \| good	7.68 \| good	0.39 \| good
2026-01-23T19:00:00.000Z	56 \| moderate	12.106 \| fine	39.552 \| good	4.802 \| good	0.986 \| good	7.297 \| good	0.467 \| good
2026-01-23T20:00:00.000Z	58 \| moderate	12.68 \| fine	39.985 \| good	5.415 \| good	1.044 \| good	7.043 \| good	0.383 \| good
2026-01-23T21:00:00.000Z	62 \| moderate	14.654 \| fine	48.747 \| good	8.457 \| good	0.906 \| good	8.082 \| good	0.401 \| good
2026-01-23T22:00:00.000Z	64 \| moderate	15.893 \| fine	54.997 \| good	9.526 \| good	0.727 \| good	7.797 \| good	0.401 \| good
2026-01-23T23:00:00.000Z	66 \| moderate	17.448 \| fine	62.096 \| fine	9.529 \| good	0.805 \| good	6.734 \| good	0.401 \| good
2026-01-23T23:00:00.000Z	67 \| moderate	17.596 \| fine	68.71 \| fine	8.785 \| good	0.729 \| good	8.845 \| good	0.403 \| good
2026-01-23T22:00:00.000Z	81 \| moderate	25.307 \| fine	110.12 \| fine	32.002 \| good	3.032 \| good	9.942 \| good	0.298 \| good
2026-01-23T23:00:00.000Z	79 \| moderate	23.853 \| fine	103.86 \| fine	31.362 \| good	2.907 \| good	10.203 \| good	0.294 \| good
2026-01-24T00:00:00.000Z	81 \| moderate	25.144 \| fine	109.806 \| fine	29.885 \| good	2.782 \| good	10.465 \| good	0.289 \| good
2026-01-24T01:00:00.000Z	84 \| moderate	26.529 \| fine	115.292 \| fine	20.612 \| good	2.952 \| good	15.763 \| good	0.354 \| good
2026-01-24T02:00:00.000Z	88 \| moderate	28.562 \| fine	124.097 \| fine	11.387 \| good	3.122 \| good	21.061 \| good	0.419 \| good
2026-01-24T03:00:00.000Z	88 \| moderate	29.277 \| fine	126.977 \| fine	7.483 \| good	3.291 \| good	26.359 \| good	0.485 \| good
2026-01-24T04:00:00.000Z	90 \| moderate	29.6 \| fine	128.017 \| fine	5.086 \| good	3.264 \| good	25.941 \| good	0.499 \| good
2026-01-24T05:00:00.000Z	90 \| moderate	30.173 \| fine	130.997 \| fine	2.52 \| good	3.236 \| good	25.522 \| good	0.513 \| good
2026-01-24T06:00:00.000Z	86 \| moderate	28.457 \| fine	123.66 \| fine	1.908 \| good	3.209 \| good	25.104 \| good	0.527 \| good
2026-01-24T07:00:00.000Z	86 \| moderate	27.848 \| fine	120.546 \| fine	2.211 \| good	2.783 \| good	23.369 \| good	0.49 \| good
2026-01-24T08:00:00.000Z	86 \| moderate	27.696 \| fine	120.546 \| fine	2.242 \| good	2.357 \| good	21.635 \| good	0.453 \| good
2026-01-24T09:00:00.000Z	75 \| moderate	22.172 \| fine	97.473 \| fine	2.159 \| good	1.931 \| good	19.9 \| good	0.417 \| good
2026-01-24T10:00:00.000Z	66 \| moderate	17.392 \| fine	77.337 \| fine	0.878 \| good	1.616 \| good	17.347 \| good	0.368 \| good
2026-01-24T11:00:00.000Z	64 \| moderate	15.847 \| fine	70.607 \| fine	2.508 \| good	1.301 \| good	14.795 \| good	0.32 \| good
2026-01-24T12:00:00.000Z	58 \| moderate	13.441 \| fine	60.551 \| fine	6.148 \| good	0.986 \| good	12.243 \| good	0.271 \| good
2026-01-24T13:00:00.000Z	49 \| good	9.451 \| good	41.981 \| good	6.564 \| good	0.857 \| good	10.982 \| good	0.249 \| good
2026-01-24T14:00:00.000Z	27 \| good	5.431 \| good	23.437 \| good	7.218 \| good	0.728 \| good	9.72 \| good	0.227 \| good
2026-01-24T15:00:00.000Z	27 \| good	5.407 \| good	23.121 \| good	8.712 \| good	0.598 \| good	8.459 \| good	0.205 \| good
2026-01-24T16:00:00.000Z	27 \| good	4.687 \| good	20.483 \| good	14.884 \| good	0.565 \| good	7.089 \| good	0.195 \| good
2026-01-24T17:00:00.000Z	19 \| good	3.41 \| good	14.754 \| good	20.497 \| good	0.531 \| good	5.72 \| good	0.185 \| good
2026-01-24T18:00:00.000Z	33 \| good	6.18 \| good	27.236 \| good	22.732 \| good	0.497 \| good	4.351 \| good	0.175 \| good
2026-01-24T19:00:00.000Z	44 \| good	7.901 \| good	34.465 \| good	24.095 \| good	0.481 \| good	3.588 \| good	0.164 \| good
2026-01-24T20:00:00.000Z	49 \| good	8.716 \| good	37.911 \| good	26.82 \| good	0.466 \| good	2.825 \| good	0.153 \| good
2026-01-24T21:00:00.000Z	44 \| good	8.452 \| good	37.228 \| good	30.457 \| good	0.451 \| good	2.062 \| good	0.141 \| good
2026-01-24T22:00:00.000Z	44 \| good	7.884 \| good	34.632 \| good	32.954 \| good	0.452 \| good	2.246 \| good	0.144 \| good
2026-01-24T23:00:00.000Z	49 \| good	8.795 \| good	38.769 \| good	34.006 \| good	0.453 \| good	2.429 \| good	0.146 \| good
2026-01-25T00:00:00.000Z	49 \| good	9.151 \| good	40.983 \| good	33.653 \| good	0.454 \| good	2.612 \| good	0.148 \| good
2026-01-25T01:00:00.000Z	33 \| good	5.538 \| good	23.89 \| good	31.505 \| good	0.5 \| good	3.787 \| good	0.156 \| good
2026-01-25T02:00:00.000Z	27 \| good	5.428 \| good	23.392 \| good	28.818 \| good	0.547 \| good	4.962 \| good	0.163 \| good
2026-01-25T03:00:00.000Z	54 \| moderate	11.048 \| good	49.136 \| good	19.121 \| good	0.594 \| good	6.137 \| good	0.171 \| good
2026-01-25T04:00:00.000Z	62 \| moderate	14.502 \| fine	64.892 \| fine	9.945 \| good	0.624 \| good	6.981 \| good	0.175 \| good
2026-01-25T05:00:00.000Z	64 \| moderate	16.011 \| fine	71.478 \| fine	6.859 \| good	0.653 \| good	7.824 \| good	0.18 \| good
2026-01-25T06:00:00.000Z	64 \| moderate	15.628 \| fine	69.547 \| fine	2.799 \| good	0.683 \| good	8.667 \| good	0.184 \| good
2026-01-25T07:00:00.000Z	64 \| moderate	16.035 \| fine	70.953 \| fine	4.655 \| good	0.646 \| good	8.465 \| good	0.184 \| good
2026-01-25T08:00:00.000Z	60 \| moderate	14.084 \| fine	62.966 \| fine	7.909 \| good	0.608 \| good	8.263 \| good	0.183 \| good
2026-01-25T09:00:00.000Z	60 \| moderate	13.895 \| fine	62.066 \| fine	7.49 \| good	0.571 \| good	8.061 \| good	0.183 \| good
2026-01-25T10:00:00.000Z	58 \| moderate	13.469 \| fine	60.457 \| fine	5.626 \| good	0.582 \| good	8.113 \| good	0.182 \| good
2026-01-25T11:00:00.000Z	60 \| moderate	14.187 \| fine	63.06 \| fine	3.497 \| good	0.592 \| good	8.164 \| good	0.181 \| good
2026-01-25T12:00:00.000Z	62 \| moderate	14.577 \| fine	65.536 \| fine	3.372 \| good	0.603 \| good	8.216 \| good	0.18 \| good
2026-01-25T13:00:00.000Z	60 \| moderate	13.955 \| fine	63.121 \| fine	3.772 \| good	0.656 \| good	9.745 \| good	0.189 \| good
2026-01-25T14:00:00.000Z	54 \| moderate	10.958 \| good	48.973 \| good	3.493 \| good	0.708 \| good	11.273 \| good	0.198 \| good
2026-01-25T15:00:00.000Z	56 \| moderate	11.533 \| good	51.479 \| good	4.214 \| good	0.76 \| good	12.801 \| good	0.207 \| good
2026-01-25T16:00:00.000Z	60 \| moderate	13.555 \| fine	61.399 \| fine	5.903 \| good	0.791 \| good	11.695 \| good	0.221 \| good
2026-01-25T17:00:00.000Z	58 \| moderate	12.966 \| fine	58.375 \| fine	9.289 \| good	0.823 \| good	10.588 \| good	0.236 \| good
2026-01-25T18:00:00.000Z	58 \| moderate	13.186 \| fine	59.345 \| fine	12.115 \| good	0.854 \| good	9.481 \| good	0.25 \| good
2026-01-25T19:00:00.000Z	60 \| moderate	14.13 \| fine	62.796 \| fine	14.448 \| good	0.973 \| good	8.526 \| good	0.231 \| good
2026-01-25T20:00:00.000Z	60 \| moderate	14.09 \| fine	63.065 \| fine	15.141 \| good	1.092 \| good	7.572 \| good	0.211 \| good
2026-01-25T21:00:00.000Z	58 \| moderate	13.417 \| fine	60.118 \| fine	14.438 \| good	1.212 \| good	6.617 \| good	0.192 \| good

Rosemont

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Rosemont, California

0.39ppm

How accurate is California, USA air quality data?

The air quality data for California, 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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Check live rankings of places in the USA affected by air pollution.

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Frequently asked questions

How frequently does the air quality data for Rosemont, California get updated?

Air quality updates for Rosemont, California are available every hour.

What time in the past 24 hours saw the poorest air quality in Rosemont, California?

Rosemont, California experienced its worst air quality at 07:00:00, 2026-01-23.

When was air quality in Rosemont, California the best over the past 24 hours?

The best air quality in Rosemont, California was observed at 08:00:00 on 2026-01-23.

What is the air quality in Rosemont, California right now?

The air quality in Rosemont, California right now is Moderate, with an AQI of 64.

What pollutant is most frequently found in Rosemont, California?

In Rosemont, California, PM2.5 is the most frequently found pollutant.

What can I do if the air quality in Rosemont, California is poor?

When air quality in Rosemont, California is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in Rosemont, California right now?

Rosemont, California currently has a PM_2.5 concentration of 16.262 μg/m³.

What is the current level of PM₁₀ in Rosemont, California?

Rosemont, California currently has a PM₁₀ concentration of 63.394 μg/m³.

What is the current level of carbon monoxide (CO) in Rosemont, California?

The current carbon monoxide (CO) level in Rosemont, California is 0.403 ppm.

What is the current level of sulfur dioxide (SO₂) in Rosemont, California?

The current sulfur dioxide (SO₂) concentration in Rosemont, California is 0.922 ppb.

What is the current level of ozone (O₃) in Rosemont, California?

Rosemont, California currently has an ozone (O₃) concentration of 7.252 ppm.

What is the current level of nitrogen dioxide (NO₂) in Rosemont, California?

The current level of nitrogen dioxide (NO₂) in Rosemont, California is 8.718 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-22T00:00:00.000Z	52 \| moderate	10.092 \| good	28.982 \| good	7.394 \| good	0.895 \| good	9.455 \| good	0.481 \| good
2026-01-22T01:00:00.000Z	54 \| moderate	11.452 \| good	29.312 \| good	5.762 \| good	0.796 \| good	10.375 \| good	0.475 \| good
2026-01-22T02:00:00.000Z	60 \| moderate	13.794 \| fine	45.658 \| good	5.397 \| good	0.749 \| good	11.78 \| good	0.481 \| good
2026-01-22T03:00:00.000Z	62 \| moderate	15.12 \| fine	50.752 \| good	5.021 \| good	0.765 \| good	10.832 \| good	0.493 \| good
2026-01-22T04:00:00.000Z	62 \| moderate	14.522 \| fine	49.264 \| good	4.538 \| good	0.743 \| good	10.494 \| good	0.416 \| good
2026-01-22T05:00:00.000Z	64 \| moderate	15.638 \| fine	52.093 \| good	3.713 \| good	0.747 \| good	11.029 \| good	0.558 \| good
2026-01-22T06:00:00.000Z	64 \| moderate	15.976 \| fine	52.868 \| good	4.131 \| good	0.799 \| good	8.896 \| good	0.422 \| good
2026-01-22T07:00:00.000Z	62 \| moderate	14.511 \| fine	47.267 \| good	4.334 \| good	0.801 \| good	7.034 \| good	0.356 \| good
2026-01-22T08:00:00.000Z	60 \| moderate	14.178 \| fine	46.992 \| good	4.169 \| good	0.891 \| good	6.444 \| good	0.356 \| good
2026-01-22T09:00:00.000Z	62 \| moderate	14.948 \| fine	50.077 \| good	3.687 \| good	0.818 \| good	7.031 \| good	0.421 \| good
2026-01-22T10:00:00.000Z	60 \| moderate	13.833 \| fine	47.475 \| good	3.494 \| good	0.819 \| good	6.618 \| good	0.421 \| good
2026-01-22T11:00:00.000Z	60 \| moderate	14.02 \| fine	49.058 \| good	2.966 \| good	0.816 \| good	6.343 \| good	0.422 \| good
2026-01-22T12:00:00.000Z	62 \| moderate	15.201 \| fine	51.151 \| good	3.44 \| good	0.766 \| good	7.712 \| good	0.352 \| good
2026-01-22T13:00:00.000Z	62 \| moderate	15.32 \| fine	51.449 \| good	3.954 \| good	0.831 \| good	7.076 \| good	0.352 \| good
2026-01-22T14:00:00.000Z	62 \| moderate	14.632 \| fine	48.081 \| good	3.649 \| good	0.796 \| good	7.427 \| good	0.357 \| good
2026-01-22T15:00:00.000Z	62 \| moderate	15.492 \| fine	51.406 \| good	3.272 \| good	0.806 \| good	8.122 \| good	0.499 \| good
2026-01-22T16:00:00.000Z	60 \| moderate	14.259 \| fine	48.973 \| good	3.105 \| good	0.785 \| good	7.675 \| good	0.439 \| good
2026-01-22T17:00:00.000Z	64 \| moderate	15.862 \| fine	54.345 \| good	2.966 \| good	0.826 \| good	7.932 \| good	0.547 \| good
2026-01-22T18:00:00.000Z	64 \| moderate	16.177 \| fine	54.271 \| good	3.657 \| good	0.922 \| good	7.724 \| good	0.641 \| good
2026-01-22T19:00:00.000Z	69 \| moderate	18.771 \| fine	64.947 \| fine	4.552 \| good	0.918 \| good	7.145 \| good	0.451 \| good
2026-01-22T20:00:00.000Z	69 \| moderate	19.313 \| fine	65.656 \| fine	6.623 \| good	1.062 \| good	7.149 \| good	0.421 \| good
2026-01-22T21:00:00.000Z	71 \| moderate	19.509 \| fine	64.94 \| fine	8.45 \| good	0.949 \| good	6.268 \| good	0.318 \| good
2026-01-22T22:00:00.000Z	73 \| moderate	21.109 \| fine	69.367 \| fine	10.722 \| good	0.819 \| good	5.558 \| good	0.376 \| good
2026-01-22T23:00:00.000Z	75 \| moderate	21.568 \| fine	69.83 \| fine	12.702 \| good	1.091 \| good	5.822 \| good	0.389 \| good
2026-01-23T00:00:00.000Z	73 \| moderate	21.418 \| fine	69.095 \| fine	15.048 \| good	0.962 \| good	6.844 \| good	0.301 \| good
2026-01-23T01:00:00.000Z	75 \| moderate	21.752 \| fine	69.493 \| fine	16.892 \| good	0.839 \| good	7.425 \| good	0.367 \| good
2026-01-23T02:00:00.000Z	73 \| moderate	20.867 \| fine	67.255 \| fine	14.227 \| good	0.862 \| good	10.01 \| good	0.384 \| good
2026-01-23T03:00:00.000Z	75 \| moderate	22.045 \| fine	71.732 \| fine	11.75 \| good	0.777 \| good	11.803 \| good	0.512 \| good
2026-01-23T04:00:00.000Z	79 \| moderate	24.022 \| fine	77.713 \| fine	8.915 \| good	0.67 \| good	12.275 \| good	0.477 \| good
2026-01-23T05:00:00.000Z	81 \| moderate	25.027 \| fine	78.512 \| fine	7.491 \| good	0.574 \| good	12.821 \| good	0.544 \| good
2026-01-23T06:00:00.000Z	81 \| moderate	25.136 \| fine	79.176 \| fine	7.133 \| good	0.486 \| good	13.689 \| good	0.532 \| good
2026-01-23T07:00:00.000Z	82 \| moderate	25.755 \| fine	85.938 \| fine	6.218 \| good	0.467 \| good	13.525 \| good	0.544 \| good
2026-01-23T08:00:00.000Z	82 \| moderate	25.528 \| fine	81.24 \| fine	6.205 \| good	0.473 \| good	12.284 \| good	0.598 \| good
2026-01-23T09:00:00.000Z	77 \| moderate	23.481 \| fine	78.81 \| fine	8.348 \| good	0.523 \| good	12.25 \| good	0.668 \| good
2026-01-23T10:00:00.000Z	77 \| moderate	23.485 \| fine	80.679 \| fine	7.933 \| good	0.609 \| good	10.619 \| good	0.751 \| good
2026-01-23T11:00:00.000Z	77 \| moderate	23.167 \| fine	77.668 \| fine	4.513 \| good	0.573 \| good	9.667 \| good	0.75 \| good
2026-01-23T12:00:00.000Z	75 \| moderate	22.189 \| fine	73.364 \| fine	4.669 \| good	0.408 \| good	9.184 \| good	0.744 \| good
2026-01-23T13:00:00.000Z	73 \| moderate	21.265 \| fine	71.874 \| fine	4.672 \| good	1.087 \| good	9.121 \| good	0.719 \| good
2026-01-23T14:00:00.000Z	66 \| moderate	17.462 \| fine	60.261 \| fine	4.281 \| good	1.068 \| good	7.996 \| good	0.377 \| good
2026-01-23T15:00:00.000Z	62 \| moderate	15.298 \| fine	53.068 \| good	4.113 \| good	1.015 \| good	8.524 \| good	0.39 \| good
2026-01-23T16:00:00.000Z	62 \| moderate	14.673 \| fine	49.351 \| good	3.671 \| good	0.867 \| good	7.969 \| good	0.46 \| good
2026-01-23T17:00:00.000Z	58 \| moderate	13.311 \| fine	42.105 \| good	4.235 \| good	0.801 \| good	7.841 \| good	0.402 \| good
2026-01-23T18:00:00.000Z	56 \| moderate	11.74 \| good	39.62 \| good	5.354 \| good	0.803 \| good	7.68 \| good	0.39 \| good
2026-01-23T19:00:00.000Z	56 \| moderate	12.106 \| fine	39.552 \| good	4.802 \| good	0.986 \| good	7.297 \| good	0.467 \| good
2026-01-23T20:00:00.000Z	58 \| moderate	12.68 \| fine	39.985 \| good	5.415 \| good	1.044 \| good	7.043 \| good	0.383 \| good
2026-01-23T21:00:00.000Z	62 \| moderate	14.654 \| fine	48.747 \| good	8.457 \| good	0.906 \| good	8.082 \| good	0.401 \| good
2026-01-23T22:00:00.000Z	64 \| moderate	15.893 \| fine	54.997 \| good	9.526 \| good	0.727 \| good	7.797 \| good	0.401 \| good
2026-01-23T23:00:00.000Z	66 \| moderate	17.448 \| fine	62.096 \| fine	9.529 \| good	0.805 \| good	6.734 \| good	0.401 \| good
2026-01-23T23:00:00.000Z	67 \| moderate	17.596 \| fine	68.71 \| fine	8.785 \| good	0.729 \| good	8.845 \| good	0.403 \| good
2026-01-23T22:00:00.000Z	81 \| moderate	25.307 \| fine	110.12 \| fine	32.002 \| good	3.032 \| good	9.942 \| good	0.298 \| good
2026-01-23T23:00:00.000Z	79 \| moderate	23.853 \| fine	103.86 \| fine	31.362 \| good	2.907 \| good	10.203 \| good	0.294 \| good
2026-01-24T00:00:00.000Z	81 \| moderate	25.144 \| fine	109.806 \| fine	29.885 \| good	2.782 \| good	10.465 \| good	0.289 \| good
2026-01-24T01:00:00.000Z	84 \| moderate	26.529 \| fine	115.292 \| fine	20.612 \| good	2.952 \| good	15.763 \| good	0.354 \| good
2026-01-24T02:00:00.000Z	88 \| moderate	28.562 \| fine	124.097 \| fine	11.387 \| good	3.122 \| good	21.061 \| good	0.419 \| good
2026-01-24T03:00:00.000Z	88 \| moderate	29.277 \| fine	126.977 \| fine	7.483 \| good	3.291 \| good	26.359 \| good	0.485 \| good
2026-01-24T04:00:00.000Z	90 \| moderate	29.6 \| fine	128.017 \| fine	5.086 \| good	3.264 \| good	25.941 \| good	0.499 \| good
2026-01-24T05:00:00.000Z	90 \| moderate	30.173 \| fine	130.997 \| fine	2.52 \| good	3.236 \| good	25.522 \| good	0.513 \| good
2026-01-24T06:00:00.000Z	86 \| moderate	28.457 \| fine	123.66 \| fine	1.908 \| good	3.209 \| good	25.104 \| good	0.527 \| good
2026-01-24T07:00:00.000Z	86 \| moderate	27.848 \| fine	120.546 \| fine	2.211 \| good	2.783 \| good	23.369 \| good	0.49 \| good
2026-01-24T08:00:00.000Z	86 \| moderate	27.696 \| fine	120.546 \| fine	2.242 \| good	2.357 \| good	21.635 \| good	0.453 \| good
2026-01-24T09:00:00.000Z	75 \| moderate	22.172 \| fine	97.473 \| fine	2.159 \| good	1.931 \| good	19.9 \| good	0.417 \| good
2026-01-24T10:00:00.000Z	66 \| moderate	17.392 \| fine	77.337 \| fine	0.878 \| good	1.616 \| good	17.347 \| good	0.368 \| good
2026-01-24T11:00:00.000Z	64 \| moderate	15.847 \| fine	70.607 \| fine	2.508 \| good	1.301 \| good	14.795 \| good	0.32 \| good
2026-01-24T12:00:00.000Z	58 \| moderate	13.441 \| fine	60.551 \| fine	6.148 \| good	0.986 \| good	12.243 \| good	0.271 \| good
2026-01-24T13:00:00.000Z	49 \| good	9.451 \| good	41.981 \| good	6.564 \| good	0.857 \| good	10.982 \| good	0.249 \| good
2026-01-24T14:00:00.000Z	27 \| good	5.431 \| good	23.437 \| good	7.218 \| good	0.728 \| good	9.72 \| good	0.227 \| good
2026-01-24T15:00:00.000Z	27 \| good	5.407 \| good	23.121 \| good	8.712 \| good	0.598 \| good	8.459 \| good	0.205 \| good
2026-01-24T16:00:00.000Z	27 \| good	4.687 \| good	20.483 \| good	14.884 \| good	0.565 \| good	7.089 \| good	0.195 \| good
2026-01-24T17:00:00.000Z	19 \| good	3.41 \| good	14.754 \| good	20.497 \| good	0.531 \| good	5.72 \| good	0.185 \| good
2026-01-24T18:00:00.000Z	33 \| good	6.18 \| good	27.236 \| good	22.732 \| good	0.497 \| good	4.351 \| good	0.175 \| good
2026-01-24T19:00:00.000Z	44 \| good	7.901 \| good	34.465 \| good	24.095 \| good	0.481 \| good	3.588 \| good	0.164 \| good
2026-01-24T20:00:00.000Z	49 \| good	8.716 \| good	37.911 \| good	26.82 \| good	0.466 \| good	2.825 \| good	0.153 \| good
2026-01-24T21:00:00.000Z	44 \| good	8.452 \| good	37.228 \| good	30.457 \| good	0.451 \| good	2.062 \| good	0.141 \| good
2026-01-24T22:00:00.000Z	44 \| good	7.884 \| good	34.632 \| good	32.954 \| good	0.452 \| good	2.246 \| good	0.144 \| good
2026-01-24T23:00:00.000Z	49 \| good	8.795 \| good	38.769 \| good	34.006 \| good	0.453 \| good	2.429 \| good	0.146 \| good
2026-01-25T00:00:00.000Z	49 \| good	9.151 \| good	40.983 \| good	33.653 \| good	0.454 \| good	2.612 \| good	0.148 \| good
2026-01-25T01:00:00.000Z	33 \| good	5.538 \| good	23.89 \| good	31.505 \| good	0.5 \| good	3.787 \| good	0.156 \| good
2026-01-25T02:00:00.000Z	27 \| good	5.428 \| good	23.392 \| good	28.818 \| good	0.547 \| good	4.962 \| good	0.163 \| good
2026-01-25T03:00:00.000Z	54 \| moderate	11.048 \| good	49.136 \| good	19.121 \| good	0.594 \| good	6.137 \| good	0.171 \| good
2026-01-25T04:00:00.000Z	62 \| moderate	14.502 \| fine	64.892 \| fine	9.945 \| good	0.624 \| good	6.981 \| good	0.175 \| good
2026-01-25T05:00:00.000Z	64 \| moderate	16.011 \| fine	71.478 \| fine	6.859 \| good	0.653 \| good	7.824 \| good	0.18 \| good
2026-01-25T06:00:00.000Z	64 \| moderate	15.628 \| fine	69.547 \| fine	2.799 \| good	0.683 \| good	8.667 \| good	0.184 \| good
2026-01-25T07:00:00.000Z	64 \| moderate	16.035 \| fine	70.953 \| fine	4.655 \| good	0.646 \| good	8.465 \| good	0.184 \| good
2026-01-25T08:00:00.000Z	60 \| moderate	14.084 \| fine	62.966 \| fine	7.909 \| good	0.608 \| good	8.263 \| good	0.183 \| good
2026-01-25T09:00:00.000Z	60 \| moderate	13.895 \| fine	62.066 \| fine	7.49 \| good	0.571 \| good	8.061 \| good	0.183 \| good
2026-01-25T10:00:00.000Z	58 \| moderate	13.469 \| fine	60.457 \| fine	5.626 \| good	0.582 \| good	8.113 \| good	0.182 \| good
2026-01-25T11:00:00.000Z	60 \| moderate	14.187 \| fine	63.06 \| fine	3.497 \| good	0.592 \| good	8.164 \| good	0.181 \| good
2026-01-25T12:00:00.000Z	62 \| moderate	14.577 \| fine	65.536 \| fine	3.372 \| good	0.603 \| good	8.216 \| good	0.18 \| good
2026-01-25T13:00:00.000Z	60 \| moderate	13.955 \| fine	63.121 \| fine	3.772 \| good	0.656 \| good	9.745 \| good	0.189 \| good
2026-01-25T14:00:00.000Z	54 \| moderate	10.958 \| good	48.973 \| good	3.493 \| good	0.708 \| good	11.273 \| good	0.198 \| good
2026-01-25T15:00:00.000Z	56 \| moderate	11.533 \| good	51.479 \| good	4.214 \| good	0.76 \| good	12.801 \| good	0.207 \| good
2026-01-25T16:00:00.000Z	60 \| moderate	13.555 \| fine	61.399 \| fine	5.903 \| good	0.791 \| good	11.695 \| good	0.221 \| good
2026-01-25T17:00:00.000Z	58 \| moderate	12.966 \| fine	58.375 \| fine	9.289 \| good	0.823 \| good	10.588 \| good	0.236 \| good
2026-01-25T18:00:00.000Z	58 \| moderate	13.186 \| fine	59.345 \| fine	12.115 \| good	0.854 \| good	9.481 \| good	0.25 \| good
2026-01-25T19:00:00.000Z	60 \| moderate	14.13 \| fine	62.796 \| fine	14.448 \| good	0.973 \| good	8.526 \| good	0.231 \| good
2026-01-25T20:00:00.000Z	60 \| moderate	14.09 \| fine	63.065 \| fine	15.141 \| good	1.092 \| good	7.572 \| good	0.211 \| good
2026-01-25T21:00:00.000Z	58 \| moderate	13.417 \| fine	60.118 \| fine	14.438 \| good	1.212 \| good	6.617 \| good	0.192 \| good

Current air quality index in Rosemont, California today

Common air pollutants in Rosemont, California

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 Rosemont, California

Air quality in nearby cities

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Frequently asked questions

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What is the PM2.5 concentration in Rosemont, California right now?

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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 Rosemont, California right now?

What is the current level of PM₁₀ in Rosemont, California?

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What is the current level of ozone (O₃) in Rosemont, California?

What is the current level of nitrogen dioxide (NO₂) in Rosemont, California?