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

Westmont, California currently has a PM10 concentration of 31.174 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Westmont, California is 0.302 ppb.

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

Westmont, California currently has an ozone (O3) concentration of 29.015 ppm.

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

The current level of nitrogen dioxide (NO2) in Westmont, California is 7.37 ppb.

Current air quality index in Westmont, California today

Name: Live air pollution levels in Westmont, California today
Creator: Ambee

Stay updated with real-time air quality in Westmont, 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)

Good

Westmont, California

Last updated: ... (Local time)

Major air pollutants in Westmont, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

8.45 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

31.17 μg/m³

155

255

425

605+

Ozone (O₃)

29.02 ppb

201

201+

Sulfur Dioxide (SO₂)

0.30 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

7.37 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.14 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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Westmont, California

Scroll To Air Quality Map

Track live Westmont, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-06T00:00:00.000Z	33 \| good	6.242 \| good	31.721 \| good	31.983 \| good	0.521 \| good	3.848 \| good	0.154 \| good
2025-06-06T01:00:00.000Z	32 \| good	3.151 \| good	14.222 \| good	35.031 \| good	0.678 \| good	2.805 \| good	0.167 \| good
2025-06-06T02:00:00.000Z	33 \| good	3.273 \| good	16.286 \| good	35.678 \| good	0.608 \| good	3.585 \| good	0.168 \| good
2025-06-06T03:00:00.000Z	32 \| good	3.763 \| good	19.774 \| good	35.473 \| good	0.492 \| good	4.299 \| good	0.154 \| good
2025-06-06T04:00:00.000Z	34 \| good	3.746 \| good	14.26 \| good	37.089 \| good	0.407 \| good	2.575 \| good	0.154 \| good
2025-06-06T05:00:00.000Z	33 \| good	4.017 \| good	14.106 \| good	35.712 \| good	0.551 \| good	3.689 \| good	0.131 \| good
2025-06-06T06:00:00.000Z	31 \| good	3.73 \| good	10.678 \| good	32.787 \| good	0.209 \| good	6.589 \| good	0.138 \| good
2025-06-06T07:00:00.000Z	34 \| good	2.876 \| good	9.872 \| good	36.96 \| good	0.21 \| good	2.787 \| good	0.138 \| good
2025-06-06T08:00:00.000Z	31 \| good	3.324 \| good	13.651 \| good	33.619 \| good	0.212 \| good	3.03 \| good	0.1 \| good
2025-06-06T09:00:00.000Z	30 \| good	3.529 \| good	16.293 \| good	32.328 \| good	0.224 \| good	3.485 \| good	0.137 \| good
2025-06-06T10:00:00.000Z	31 \| good	4.311 \| good	20.383 \| good	33.305 \| good	0.327 \| good	2.533 \| good	0.152 \| good
2025-06-06T11:00:00.000Z	28 \| good	4.566 \| good	13.292 \| good	29.689 \| good	0.227 \| good	3.789 \| good	0.119 \| good
2025-06-06T12:00:00.000Z	31 \| good	4.384 \| good	13.565 \| good	33.186 \| good	0.189 \| good	3.525 \| good	0.138 \| good
2025-06-06T13:00:00.000Z	33 \| good	6.36 \| good	22.521 \| good	33.154 \| good	0.215 \| good	3.29 \| good	0.154 \| good
2025-06-06T14:00:00.000Z	27 \| good	5.166 \| good	8.957 \| good	23.684 \| good	0.141 \| good	6.435 \| good	0.154 \| good
2025-06-06T15:00:00.000Z	28 \| good	4.712 \| good	13.413 \| good	30.024 \| good	0.18 \| good	8.851 \| good	0.186 \| good
2025-06-06T16:00:00.000Z	33 \| good	5.883 \| good	21.232 \| good	29.158 \| good	0.443 \| good	6.166 \| good	0.176 \| good
2025-06-06T17:00:00.000Z	38 \| good	7.341 \| good	18.343 \| good	32.027 \| good	0.358 \| good	6.625 \| good	0.19 \| good
2025-06-06T18:00:00.000Z	33 \| good	5.799 \| good	16.427 \| good	29.9 \| good	0.264 \| good	10.747 \| good	0.206 \| good
2025-06-06T19:00:00.000Z	33 \| good	5.543 \| good	23.268 \| good	31.727 \| good	0.486 \| good	5.807 \| good	0.206 \| good
2025-06-06T20:00:00.000Z	38 \| good	6.577 \| good	21.32 \| good	31.319 \| good	0.369 \| good	4.844 \| good	0.199 \| good
2025-06-06T21:00:00.000Z	44 \| good	8.054 \| good	34.412 \| good	36.068 \| good	0.289 \| good	4.826 \| good	0.183 \| good
2025-06-06T22:00:00.000Z	49 \| good	9.232 \| good	47.763 \| good	30.628 \| good	0.226 \| good	4.297 \| good	0.183 \| good
2025-06-06T23:00:00.000Z	33 \| good	5.832 \| good	21.866 \| good	31.398 \| good	0.475 \| good	4.443 \| good	0.167 \| good
2025-06-07T00:00:00.000Z	38 \| good	7.139 \| good	31.398 \| good	32.033 \| good	0.446 \| good	4.041 \| good	0.167 \| good
2025-06-07T01:00:00.000Z	32 \| good	4.937 \| good	18.702 \| good	35.275 \| good	0.535 \| good	3.352 \| good	0.167 \| good
2025-06-07T02:00:00.000Z	35 \| good	5.079 \| good	18.563 \| good	37.746 \| good	0.507 \| good	4.031 \| good	0.154 \| good
2025-06-07T03:00:00.000Z	36 \| good	4.482 \| good	19.523 \| good	38.705 \| good	0.459 \| good	6.779 \| good	0.154 \| good
2025-06-07T04:00:00.000Z	33 \| good	5.634 \| good	19.896 \| good	33.79 \| good	0.535 \| good	2.341 \| good	0.154 \| good
2025-06-07T05:00:00.000Z	33 \| good	5.679 \| good	18.035 \| good	32.988 \| good	0.517 \| good	4.386 \| good	0.154 \| good
2025-06-07T06:00:00.000Z	30 \| good	3.166 \| good	13.35 \| good	32.416 \| good	0.312 \| good	8.106 \| good	0.167 \| good
2025-06-07T07:00:00.000Z	28 \| good	5.327 \| good	16.079 \| good	30.302 \| good	0.531 \| good	2.717 \| good	0.168 \| good
2025-06-07T08:00:00.000Z	27 \| good	4.188 \| good	17.204 \| good	29.475 \| good	0.362 \| good	2.677 \| good	0.167 \| good
2025-06-07T09:00:00.000Z	33 \| good	6.328 \| good	23.791 \| good	30.745 \| good	0.211 \| good	5.343 \| good	0.167 \| good
2025-06-07T10:00:00.000Z	38 \| good	7.342 \| good	37.037 \| good	32.138 \| good	0.193 \| good	2.429 \| good	0.167 \| good
2025-06-07T11:00:00.000Z	49 \| good	8.657 \| good	39.242 \| good	31.623 \| good	0.145 \| good	2.687 \| good	0.168 \| good
2025-06-07T12:00:00.000Z	27 \| good	5.107 \| good	26.25 \| good	29.011 \| good	0.136 \| good	3.022 \| good	0.148 \| good
2025-06-07T13:00:00.000Z	33 \| good	6.194 \| good	19.502 \| good	31.325 \| good	0.198 \| good	3.185 \| good	0.168 \| good
2025-06-07T14:00:00.000Z	33 \| good	5.723 \| good	22.19 \| good	28.866 \| good	0.199 \| good	3.498 \| good	0.167 \| good
2025-06-07T15:00:00.000Z	27 \| good	5.174 \| good	18.693 \| good	26.676 \| good	0.22 \| good	5.117 \| good	0.154 \| good
2025-06-07T16:00:00.000Z	27 \| good	5.311 \| good	22.566 \| good	26.275 \| good	0.429 \| good	4.243 \| good	0.167 \| good
2025-06-07T17:00:00.000Z	38 \| good	6.941 \| good	19.206 \| good	27.827 \| good	0.465 \| good	4.601 \| good	0.167 \| good
2025-06-07T18:00:00.000Z	49 \| good	8.516 \| good	31.387 \| good	26.624 \| good	0.256 \| good	6.003 \| good	0.19 \| good
2025-06-07T19:00:00.000Z	33 \| good	6.195 \| good	19.714 \| good	30.014 \| good	0.49 \| good	4.793 \| good	0.19 \| good
2025-06-07T20:00:00.000Z	44 \| good	8.107 \| good	36.128 \| good	31.296 \| good	0.869 \| good	3.969 \| good	0.167 \| good
2025-06-07T21:00:00.000Z	44 \| good	7.755 \| good	33.293 \| good	29.698 \| good	0.295 \| good	3.621 \| good	0.183 \| good
2025-06-07T22:00:00.000Z	29 \| good	4.559 \| good	17.928 \| good	31.012 \| good	0.303 \| good	3.471 \| good	0.167 \| good
2025-06-07T16:00:00.000Z	44 \| good	8.454 \| good	31.174 \| good	29.015 \| good	0.302 \| good	7.37 \| good	0.145 \| good
2025-06-07T17:00:00.000Z	44 \| good	7.69 \| good	33.697 \| good	32.685 \| good	3.008 \| good	5.021 \| good	0.131 \| good
2025-06-07T18:00:00.000Z	44 \| good	8.088 \| good	35.362 \| good	35.049 \| good	4.086 \| good	6.711 \| good	0.143 \| good
2025-06-07T19:00:00.000Z	49 \| good	9.251 \| good	41.078 \| good	38.134 \| good	1.285 \| good	1.603 \| good	0.108 \| good
2025-06-07T20:00:00.000Z	49 \| good	8.619 \| good	38.057 \| good	38.746 \| good	2.002 \| good	2.405 \| good	0.115 \| good
2025-06-07T21:00:00.000Z	44 \| good	7.832 \| good	34.339 \| good	36.957 \| good	2.719 \| good	3.207 \| good	0.123 \| good
2025-06-07T22:00:00.000Z	34 \| good	6.008 \| good	26.456 \| good	37.185 \| good	0.973 \| good	1.672 \| good	0.105 \| good
2025-06-07T23:00:00.000Z	33 \| good	4.474 \| good	19.263 \| good	35.77 \| good	1.496 \| good	2.44 \| good	0.11 \| good
2025-06-08T00:00:00.000Z	30 \| good	5.061 \| good	22.203 \| good	32.275 \| good	2.019 \| good	3.208 \| good	0.116 \| good
2025-06-08T01:00:00.000Z	30 \| good	4.704 \| good	20.492 \| good	32.306 \| good	1.005 \| good	4.833 \| good	0.114 \| good
2025-06-08T02:00:00.000Z	27 \| good	4.517 \| good	19.529 \| good	28.634 \| good	1.516 \| good	6.861 \| good	0.121 \| good
2025-06-08T03:00:00.000Z	28 \| good	4.032 \| good	17.468 \| good	29.874 \| good	2.026 \| good	8.889 \| good	0.129 \| good
2025-06-08T04:00:00.000Z	27 \| good	4.033 \| good	17.569 \| good	29.223 \| good	1.298 \| good	9.202 \| good	0.132 \| good
2025-06-08T05:00:00.000Z	28 \| good	5.351 \| good	23.142 \| good	29.592 \| good	1.923 \| good	12.053 \| good	0.138 \| good
2025-06-08T06:00:00.000Z	33 \| good	6.407 \| good	28.732 \| good	29.494 \| good	2.549 \| good	14.904 \| good	0.144 \| good
2025-06-08T07:00:00.000Z	44 \| good	7.744 \| good	34.007 \| good	28.261 \| good	1.452 \| good	9.461 \| good	0.132 \| good
2025-06-08T08:00:00.000Z	33 \| good	6.475 \| good	28.645 \| good	28.649 \| good	2.155 \| good	12.984 \| good	0.142 \| good
2025-06-08T09:00:00.000Z	38 \| good	6.709 \| good	29.733 \| good	29.984 \| good	2.859 \| good	16.506 \| good	0.151 \| good
2025-06-08T10:00:00.000Z	38 \| good	7.142 \| good	31.493 \| good	27.895 \| good	1.832 \| good	9.063 \| good	0.126 \| good
2025-06-08T11:00:00.000Z	38 \| good	7.268 \| good	32.12 \| good	24.138 \| good	2.648 \| good	12.863 \| good	0.135 \| good
2025-06-08T12:00:00.000Z	49 \| good	8.875 \| good	39.069 \| good	25.477 \| good	3.464 \| good	16.663 \| good	0.145 \| good
2025-06-08T13:00:00.000Z	52 \| moderate	10.489 \| good	46.377 \| good	18.083 \| good	2.602 \| good	7.325 \| good	0.137 \| good
2025-06-08T14:00:00.000Z	54 \| moderate	10.868 \| good	48.028 \| good	17.383 \| good	3.83 \| good	10.44 \| good	0.15 \| good
2025-06-08T15:00:00.000Z	58 \| moderate	12.98 \| fine	58.005 \| fine	20.498 \| good	5.058 \| good	13.555 \| good	0.164 \| good
2025-06-08T16:00:00.000Z	62 \| moderate	14.576 \| fine	65.279 \| fine	24.95 \| good	3.028 \| good	5.429 \| good	0.13 \| good
2025-06-08T17:00:00.000Z	60 \| moderate	14.016 \| fine	62.902 \| fine	29.645 \| good	4.516 \| good	8.066 \| good	0.143 \| good
2025-06-08T18:00:00.000Z	60 \| moderate	13.717 \| fine	61.399 \| fine	32.793 \| good	6.004 \| good	10.703 \| good	0.156 \| good
2025-06-08T19:00:00.000Z	60 \| moderate	13.846 \| fine	62.359 \| fine	38.75 \| good	2.195 \| good	2.985 \| good	0.115 \| good
2025-06-08T20:00:00.000Z	58 \| moderate	13.284 \| fine	59.417 \| fine	45.493 \| good	3.408 \| good	4.576 \| good	0.124 \| good
2025-06-08T21:00:00.000Z	58 \| moderate	12.557 \| fine	56.059 \| fine	49.158 \| good	4.621 \| good	6.166 \| good	0.133 \| good
2025-06-08T22:00:00.000Z	56 \| moderate	12.143 \| fine	54.818 \| good	48.807 \| good	1.466 \| good	2.349 \| good	0.11 \| good
2025-06-08T23:00:00.000Z	54 \| moderate	10.581 \| good	46.699 \| good	45.843 \| good	2.31 \| good	3.502 \| good	0.117 \| good
2025-06-09T00:00:00.000Z	54 \| moderate	10.861 \| good	48.068 \| good	43.515 \| good	3.154 \| good	4.655 \| good	0.124 \| good
2025-06-09T01:00:00.000Z	49 \| good	9.098 \| good	40.324 \| good	39.251 \| good	1.202 \| good	5.25 \| good	0.118 \| good
2025-06-09T02:00:00.000Z	44 \| good	8.031 \| good	35.129 \| good	33.082 \| good	1.878 \| good	7.561 \| good	0.127 \| good
2025-06-09T03:00:00.000Z	38 \| good	7.062 \| good	31.159 \| good	30.222 \| good	2.553 \| good	9.871 \| good	0.136 \| good
2025-06-09T04:00:00.000Z	44 \| good	7.521 \| good	33.099 \| good	28.115 \| good	1.513 \| good	8.106 \| good	0.128 \| good
2025-06-09T05:00:00.000Z	49 \| good	8.642 \| good	37.841 \| good	28.931 \| good	2.286 \| good	11.634 \| good	0.139 \| good
2025-06-09T06:00:00.000Z	52 \| moderate	10.05 \| good	44.403 \| good	25.434 \| good	3.059 \| good	15.162 \| good	0.15 \| good
2025-06-09T07:00:00.000Z	54 \| moderate	10.72 \| good	47.511 \| good	22.74 \| good	1.565 \| good	9.473 \| good	0.134 \| good
2025-06-09T08:00:00.000Z	56 \| moderate	11.967 \| good	53.701 \| good	18.996 \| good	2.33 \| good	13.538 \| good	0.147 \| good
2025-06-09T09:00:00.000Z	54 \| moderate	11.155 \| good	49.233 \| good	13.925 \| good	3.095 \| good	17.602 \| good	0.16 \| good
2025-06-09T10:00:00.000Z	54 \| moderate	11.361 \| good	50.426 \| good	12.45 \| good	1.688 \| good	9.598 \| good	0.13 \| good
2025-06-09T11:00:00.000Z	54 \| moderate	11.151 \| good	49.272 \| good	11.801 \| good	2.527 \| good	13.856 \| good	0.141 \| good
2025-06-09T12:00:00.000Z	52 \| moderate	9.702 \| good	43.078 \| good	20.988 \| good	3.365 \| good	18.113 \| good	0.152 \| good
2025-06-09T13:00:00.000Z	52 \| moderate	10.145 \| good	44.911 \| good	15.806 \| good	3.081 \| good	9.205 \| good	0.14 \| good
2025-06-09T14:00:00.000Z	56 \| moderate	11.693 \| good	51.938 \| good	19.137 \| good	4.396 \| good	12.533 \| good	0.155 \| good
2025-06-09T15:00:00.000Z	56 \| moderate	12.148 \| fine	54.263 \| good	22.286 \| good	5.712 \| good	15.861 \| good	0.169 \| good
2025-06-09T16:00:00.000Z	58 \| moderate	12.963 \| fine	58.05 \| fine	24.951 \| good	3.665 \| good	6.967 \| good	0.137 \| good

Westmont

Empower business decisions with accurate air quality data

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

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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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Frequently asked questions

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

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

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

Westmont, California experienced its worst air quality at 08:00:00, 2025-06-06.

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

The best air quality in Westmont, California was observed at 06:00:00 on 2025-06-07.

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

The air quality in Westmont, California right now is Good, with an AQI of 44.

What pollutant is most frequently found in Westmont, California?

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

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

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

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

Westmont, California currently has a PM_2.5 concentration of 8.454 μg/m³.

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

Westmont, California currently has a PM₁₀ concentration of 31.174 μg/m³.

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

The current carbon monoxide (CO) level in Westmont, California is 0.145 ppm.

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

The current sulfur dioxide (SO₂) concentration in Westmont, California is 0.302 ppb.

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

Westmont, California currently has an ozone (O₃) concentration of 29.015 ppm.

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

The current level of nitrogen dioxide (NO₂) in Westmont, California is 7.37 ppb.

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