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

Montclair, California currently has a PM10 concentration of 62.317 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Montclair, California is 0.864 ppb.

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

Montclair, California currently has an ozone (O3) concentration of 79.38 ppm.

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

The current level of nitrogen dioxide (NO2) in Montclair, California is 17.732 ppb.

Current air quality index in Montclair, California today

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

Montclair, California currently has a PM2.5 concentration of 14.994 μg/m3.

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

129

Unhealthy for sensitive groups

Montclair, California

Last updated: ... (Local time)

Common air pollutants in Montclair, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

14.99 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

62.32 μg/m³

155

255

425

605+

Ozone (O₃)

79.38 ppb

201

201+

Sulfur Dioxide (SO₂)

0.86 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

17.73 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.32 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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Montclair, California

Scroll To Air Quality Map

Track live Montclair, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-22T00:00:00.000Z	64 \| moderate	9.226 \| good	44.892 \| good	59.303 \| fine	0.596 \| good	20.122 \| good	0.176 \| good
2026-07-22T01:00:00.000Z	49 \| good	8.513 \| good	35.725 \| good	48.81 \| good	0.614 \| good	19.528 \| good	0.188 \| good
2026-07-22T02:00:00.000Z	52 \| moderate	9.82 \| good	35.704 \| good	39.112 \| good	0.575 \| good	15.682 \| good	0.176 \| good
2026-07-22T03:00:00.000Z	33 \| good	6.365 \| good	26.961 \| good	34.305 \| good	0.487 \| good	14.697 \| good	0.188 \| good
2026-07-22T04:00:00.000Z	51 \| moderate	8.886 \| good	55.927 \| fine	32.691 \| good	0.511 \| good	17.361 \| good	0.2 \| good
2026-07-22T05:00:00.000Z	38 \| good	7.472 \| good	25.784 \| good	28.233 \| good	0.692 \| good	18.28 \| good	0.259 \| good
2026-07-22T06:00:00.000Z	38 \| good	6.782 \| good	27.775 \| good	24.957 \| good	0.566 \| good	19.312 \| good	0.225 \| good
2026-07-22T07:00:00.000Z	38 \| good	6.927 \| good	30.555 \| good	24.208 \| good	0.566 \| good	19.312 \| good	0.225 \| good
2026-07-22T08:00:00.000Z	55 \| moderate	7.612 \| good	63.818 \| fine	17.084 \| good	0.556 \| good	18.165 \| good	0.273 \| good
2026-07-22T09:00:00.000Z	49 \| good	8.978 \| good	33.032 \| good	15.645 \| good	0.566 \| good	19.298 \| good	0.248 \| good
2026-07-22T10:00:00.000Z	38 \| good	7.342 \| good	25.139 \| good	14.518 \| good	0.507 \| good	20.698 \| good	0.248 \| good
2026-07-22T11:00:00.000Z	38 \| good	7.381 \| good	28.365 \| good	12.441 \| good	0.622 \| good	17.453 \| good	0.236 \| good
2026-07-22T12:00:00.000Z	38 \| good	6.897 \| good	24.963 \| good	12.443 \| good	0.554 \| good	19.597 \| good	0.27 \| good
2026-07-22T13:00:00.000Z	44 \| good	8.339 \| good	27.71 \| good	10.78 \| good	0.552 \| good	19.597 \| good	0.27 \| good
2026-07-22T14:00:00.000Z	52 \| moderate	10.101 \| good	43.679 \| good	13.046 \| good	0.584 \| good	21.902 \| good	0.416 \| good
2026-07-22T15:00:00.000Z	52 \| moderate	10.075 \| good	50.028 \| good	15.428 \| good	0.813 \| good	23.22 \| good	0.382 \| good
2026-07-22T16:00:00.000Z	49 \| good	8.841 \| good	45.835 \| good	16.829 \| good	0.821 \| good	22.113 \| good	0.28 \| good
2026-07-22T17:00:00.000Z	49 \| good	9.462 \| good	39.989 \| good	21.469 \| good	0.752 \| good	21.626 \| good	0.268 \| good
2026-07-22T18:00:00.000Z	49 \| good	9.125 \| good	22.674 \| good	25.522 \| good	0.694 \| good	22.338 \| good	0.268 \| good
2026-07-22T19:00:00.000Z	49 \| good	9.085 \| good	47.821 \| good	33.469 \| good	0.708 \| good	21.779 \| good	0.277 \| good
2026-07-22T20:00:00.000Z	52 \| moderate	9.593 \| good	39.669 \| good	45.145 \| good	0.771 \| good	17.981 \| good	0.277 \| good
2026-07-22T21:00:00.000Z	52 \| moderate	10.343 \| good	48.019 \| good	52.256 \| good	0.747 \| good	21.399 \| good	0.268 \| good
2026-07-22T22:00:00.000Z	50 \| good	9.496 \| good	34.778 \| good	53.832 \| good	0.672 \| good	21.705 \| good	0.26 \| good
2026-07-22T23:00:00.000Z	71 \| moderate	10.1 \| good	39.038 \| good	60.54 \| fine	0.557 \| good	20.469 \| good	0.273 \| good
2026-07-23T00:00:00.000Z	77 \| moderate	10.243 \| good	42.336 \| good	62.82 \| fine	0.627 \| good	23.716 \| good	0.26 \| good
2026-07-23T01:00:00.000Z	52 \| moderate	10.045 \| good	39.377 \| good	53.81 \| good	0.685 \| good	19.093 \| good	0.26 \| good
2026-07-23T02:00:00.000Z	44 \| good	7.769 \| good	33.363 \| good	48.121 \| good	0.72 \| good	16.979 \| good	0.273 \| good
2026-07-23T03:00:00.000Z	54 \| moderate	11.453 \| good	50.758 \| good	40.73 \| good	1.288 \| good	4.536 \| good	0.111 \| good
2026-07-23T04:00:00.000Z	44 \| good	8.158 \| good	29.867 \| good	34.98 \| good	0.652 \| good	21.012 \| good	0.273 \| good
2026-07-23T05:00:00.000Z	44 \| good	7.927 \| good	31.407 \| good	26.233 \| good	0.808 \| good	25.55 \| good	0.273 \| good
2026-07-23T06:00:00.000Z	38 \| good	7.334 \| good	30.336 \| good	22.511 \| good	0.608 \| good	22.811 \| good	0.285 \| good
2026-07-23T07:00:00.000Z	44 \| good	8.316 \| good	29.38 \| good	24.276 \| good	0.597 \| good	22.811 \| good	0.285 \| good
2026-07-23T08:00:00.000Z	49 \| good	8.739 \| good	36.885 \| good	16.216 \| good	0.598 \| good	20.865 \| good	0.28 \| good
2026-07-23T09:00:00.000Z	38 \| good	7.333 \| good	30.079 \| good	11.7 \| good	0.665 \| good	21.154 \| good	0.256 \| good
2026-07-23T10:00:00.000Z	33 \| good	5.87 \| good	30.532 \| good	12.008 \| good	0.608 \| good	22.576 \| good	0.277 \| good
2026-07-23T11:00:00.000Z	38 \| good	7.477 \| good	29.932 \| good	10.812 \| good	0.814 \| good	22.7 \| good	0.256 \| good
2026-07-23T12:00:00.000Z	49 \| good	9.043 \| good	42.616 \| good	10.492 \| good	0.672 \| good	23.612 \| good	0.314 \| good
2026-07-23T13:00:00.000Z	38 \| good	6.936 \| good	31.829 \| good	9.493 \| good	0.664 \| good	23.612 \| good	0.314 \| good
2026-07-23T14:00:00.000Z	49 \| good	8.525 \| good	52.025 \| good	13 \| good	0.747 \| good	24.148 \| good	0.439 \| good
2026-07-23T15:00:00.000Z	58 \| moderate	13.064 \| fine	50.529 \| good	16.281 \| good	0.949 \| good	26.091 \| good	0.437 \| good
2026-07-23T16:00:00.000Z	56 \| moderate	12.11 \| fine	43.449 \| good	18.677 \| good	0.943 \| good	32.299 \| good	0.417 \| good
2026-07-23T17:00:00.000Z	70 \| moderate	11.773 \| good	93.906 \| fine	30.778 \| good	0.836 \| good	29.232 \| good	0.346 \| good
2026-07-23T18:00:00.000Z	102 \| sensitive	13.392 \| fine	158.205 \| moderate	40.495 \| good	0.904 \| good	33.942 \| good	0.363 \| good
2026-07-23T19:00:00.000Z	60 \| moderate	13.623 \| fine	55.825 \| fine	50.974 \| good	0.834 \| good	30.359 \| good	0.295 \| good
2026-07-23T20:00:00.000Z	87 \| moderate	13.879 \| fine	62.951 \| fine	66.229 \| fine	0.742 \| good	26.902 \| good	0.288 \| good
2026-07-23T21:00:00.000Z	129 \| sensitive	15.443 \| fine	76.655 \| fine	78.894 \| moderate	0.773 \| good	28.694 \| good	0.277 \| good
2026-07-23T22:00:00.000Z	126 \| sensitive	14.925 \| fine	62.402 \| fine	78.316 \| moderate	0.858 \| good	20.415 \| good	0.319 \| good
2026-07-23T23:00:00.000Z	133 \| sensitive	13.463 \| fine	67.861 \| fine	80.321 \| moderate	0.918 \| good	19.257 \| good	0.28 \| good
2026-07-23T23:00:00.000Z	129 \| sensitive	14.994 \| fine	62.317 \| fine	79.38 \| moderate	0.864 \| good	17.732 \| good	0.319 \| good
2026-07-24T00:00:00.000Z	126 \| sensitive	15.522 \| fine	69.105 \| fine	78.194 \| moderate	1.169 \| good	2.704 \| good	0.127 \| good
2026-07-24T01:00:00.000Z	90 \| moderate	14.333 \| fine	64.864 \| fine	66.947 \| fine	1.287 \| good	3.308 \| good	0.128 \| good
2026-07-24T02:00:00.000Z	61 \| moderate	14.123 \| fine	63.027 \| fine	58.277 \| fine	1.43 \| good	4.6 \| good	0.131 \| good
2026-07-24T03:00:00.000Z	58 \| moderate	13.219 \| fine	59.108 \| fine	44.484 \| good	1.526 \| good	6.387 \| good	0.135 \| good
2026-07-24T04:00:00.000Z	56 \| moderate	11.951 \| good	53.997 \| good	34.515 \| good	1.556 \| good	7.952 \| good	0.139 \| good
2026-07-24T05:00:00.000Z	60 \| moderate	13.701 \| fine	61.237 \| fine	28.028 \| good	1.535 \| good	9.231 \| good	0.14 \| good
2026-07-24T06:00:00.000Z	58 \| moderate	13.159 \| fine	59.084 \| fine	23.273 \| good	1.497 \| good	10.861 \| good	0.144 \| good
2026-07-24T07:00:00.000Z	56 \| moderate	12.066 \| good	54.197 \| good	21.842 \| good	1.423 \| good	12.516 \| good	0.149 \| good
2026-07-24T08:00:00.000Z	58 \| moderate	13.327 \| fine	59.298 \| fine	17.718 \| good	1.322 \| good	12.943 \| good	0.151 \| good
2026-07-24T09:00:00.000Z	58 \| moderate	13.024 \| fine	59.086 \| fine	14.075 \| good	1.261 \| good	13.578 \| good	0.154 \| good
2026-07-24T10:00:00.000Z	58 \| moderate	13.192 \| fine	59.245 \| fine	8.897 \| good	1.27 \| good	14.788 \| good	0.159 \| good
2026-07-24T11:00:00.000Z	58 \| moderate	12.703 \| fine	57.183 \| fine	7.177 \| good	1.318 \| good	16.34 \| good	0.166 \| good
2026-07-24T12:00:00.000Z	60 \| moderate	14.317 \| fine	63.379 \| fine	5.413 \| good	1.36 \| good	17.694 \| good	0.173 \| good
2026-07-24T13:00:00.000Z	60 \| moderate	14.466 \| fine	65.101 \| fine	4.017 \| good	1.387 \| good	18.67 \| good	0.18 \| good
2026-07-24T14:00:00.000Z	66 \| moderate	16.858 \| fine	75.186 \| fine	9.21 \| good	1.369 \| good	16.553 \| good	0.187 \| good
2026-07-24T15:00:00.000Z	71 \| moderate	19.511 \| fine	85.392 \| fine	15.776 \| good	1.234 \| good	10.101 \| good	0.15 \| good
2026-07-24T16:00:00.000Z	67 \| moderate	17.765 \| fine	79.243 \| fine	26.462 \| good	1.11 \| good	7.653 \| good	0.141 \| good
2026-07-24T17:00:00.000Z	71 \| moderate	20.423 \| fine	89.534 \| fine	43.728 \| good	1.054 \| good	6.093 \| good	0.138 \| good
2026-07-24T18:00:00.000Z	90 \| moderate	22.379 \| fine	97.466 \| fine	67.485 \| fine	0.994 \| good	4.591 \| good	0.136 \| good
2026-07-24T19:00:00.000Z	150 \| sensitive	21.979 \| fine	97.094 \| fine	85.066 \| moderate	0.909 \| good	3.086 \| good	0.133 \| good
2026-07-24T20:00:00.000Z	156 \| unhealthy	18.284 \| fine	81.022 \| fine	88.223 \| poor	0.821 \| good	2.199 \| good	0.126 \| good
2026-07-24T21:00:00.000Z	129 \| sensitive	12.353 \| fine	55.147 \| fine	79.321 \| moderate	0.767 \| good	1.886 \| good	0.12 \| good
2026-07-24T22:00:00.000Z	112 \| sensitive	11.931 \| good	53.901 \| good	74.099 \| moderate	0.767 \| good	1.822 \| good	0.116 \| good
2026-07-24T23:00:00.000Z	100 \| moderate	10.396 \| good	46.04 \| good	69.812 \| fine	0.791 \| good	1.845 \| good	0.114 \| good
2026-07-25T00:00:00.000Z	87 \| moderate	10.653 \| good	47.104 \| good	65.529 \| fine	0.822 \| good	2.032 \| good	0.113 \| good
2026-07-25T01:00:00.000Z	58 \| moderate	11.447 \| good	50.927 \| good	56.917 \| fine	0.897 \| good	2.494 \| good	0.113 \| good
2026-07-25T02:00:00.000Z	56 \| moderate	11.667 \| good	51.129 \| good	48.708 \| good	0.975 \| good	3.437 \| good	0.115 \| good
2026-07-25T03:00:00.000Z	56 \| moderate	12.488 \| fine	56.926 \| fine	38.942 \| good	1.054 \| good	4.924 \| good	0.117 \| good
2026-07-25T04:00:00.000Z	54 \| moderate	10.9 \| good	48.063 \| good	31.123 \| good	1.118 \| good	6.209 \| good	0.12 \| good
2026-07-25T05:00:00.000Z	54 \| moderate	11.464 \| good	51.072 \| good	25.185 \| good	1.142 \| good	7.635 \| good	0.123 \| good
2026-07-25T06:00:00.000Z	54 \| moderate	10.619 \| good	47.216 \| good	19.756 \| good	1.15 \| good	9.14 \| good	0.127 \| good
2026-07-25T07:00:00.000Z	52 \| moderate	9.68 \| good	43.294 \| good	18.568 \| good	1.139 \| good	10.564 \| good	0.132 \| good
2026-07-25T08:00:00.000Z	54 \| moderate	10.949 \| good	48.323 \| good	15.223 \| good	1.116 \| good	11.638 \| good	0.136 \| good
2026-07-25T09:00:00.000Z	54 \| moderate	11.24 \| good	50.197 \| good	12.077 \| good	1.113 \| good	13.038 \| good	0.141 \| good
2026-07-25T10:00:00.000Z	52 \| moderate	10.318 \| good	45.46 \| good	9.136 \| good	1.159 \| good	14.5 \| good	0.148 \| good
2026-07-25T11:00:00.000Z	49 \| good	8.702 \| good	38.253 \| good	8.033 \| good	1.205 \| good	16.004 \| good	0.154 \| good
2026-07-25T12:00:00.000Z	52 \| moderate	9.655 \| good	43.152 \| good	5.662 \| good	1.231 \| good	17.97 \| good	0.163 \| good
2026-07-25T13:00:00.000Z	52 \| moderate	10.148 \| good	45.32 \| good	5.948 \| good	1.249 \| good	19.378 \| good	0.173 \| good
2026-07-25T14:00:00.000Z	60 \| moderate	13.832 \| fine	61.361 \| fine	8.357 \| good	1.252 \| good	16.896 \| good	0.18 \| good
2026-07-25T15:00:00.000Z	62 \| moderate	14.746 \| fine	65.385 \| fine	14.153 \| good	1.272 \| good	10.859 \| good	0.149 \| good
2026-07-25T16:00:00.000Z	60 \| moderate	14.09 \| fine	63.233 \| fine	25.604 \| good	1.216 \| good	8.507 \| good	0.139 \| good
2026-07-25T17:00:00.000Z	64 \| moderate	15.876 \| fine	71.244 \| fine	39.98 \| good	1.154 \| good	6.982 \| good	0.135 \| good
2026-07-25T18:00:00.000Z	62 \| moderate	14.567 \| fine	65.358 \| fine	53.265 \| good	1.069 \| good	5.23 \| good	0.131 \| good
2026-07-25T19:00:00.000Z	80 \| moderate	11.563 \| good	51.353 \| good	63.7 \| fine	0.968 \| good	3.457 \| good	0.128 \| good
2026-07-25T20:00:00.000Z	97 \| moderate	11.559 \| good	51.387 \| good	69.119 \| fine	0.86 \| good	2.408 \| good	0.123 \| good
2026-07-25T21:00:00.000Z	122 \| sensitive	11.863 \| good	52.341 \| good	76.615 \| moderate	0.807 \| good	2.02 \| good	0.119 \| good
2026-07-25T22:00:00.000Z	122 \| sensitive	12.225 \| fine	55.091 \| fine	76.983 \| moderate	0.823 \| good	1.907 \| good	0.117 \| good
2026-07-25T23:00:00.000Z	126 \| sensitive	10.241 \| good	45.152 \| good	77.743 \| moderate	0.884 \| good	1.919 \| good	0.115 \| good

Montclair

Empower business decisions with accurate air quality data

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

0.29ppm

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 Montclair, California get updated?

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

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

Montclair, California experienced its worst air quality at 09:00:00, 2026-07-23.

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

The best air quality in Montclair, California was observed at 10:00:00 on 2026-07-23.

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

The air quality in Montclair, California right now is Unhealthy for Sensitive Groups, with an AQI of 129.

What pollutant is most frequently found in Montclair, California?

In Montclair, California, O3 is the most frequently found pollutant.

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

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

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

Montclair, California currently has a PM_2.5 concentration of 14.994 μg/m³.

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

Montclair, California currently has a PM₁₀ concentration of 62.317 μg/m³.

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

The current carbon monoxide (CO) level in Montclair, California is 0.319 ppm.

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

The current sulfur dioxide (SO₂) concentration in Montclair, California is 0.864 ppb.

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

Montclair, California currently has an ozone (O₃) concentration of 79.38 ppm.

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

The current level of nitrogen dioxide (NO₂) in Montclair, California is 17.732 ppb.

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