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

Montclair, California currently has a PM10 concentration of 35.133 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Montclair, California is 0.547 ppb.

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

Montclair, California currently has an ozone (O3) concentration of 42.457 ppm.

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

The current level of nitrogen dioxide (NO2) in Montclair, California is 15.105 ppb.

Current air quality index in Montclair, California today

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

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)

Moderate

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)

9.79 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

50.91 μg/m³

155

255

425

605+

Ozone (O₃)

8.78 ppb

201

201+

Sulfur Dioxide (SO₂)

0.29 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

29.26 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.53 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
2025-09-06T16:00:00.000Z	52 \| moderate	9.722 \| good	24.73 \| good	18.195 \| good	0.266 \| good	23.509 \| good	0.483 \| good
2025-09-06T17:00:00.000Z	62 \| moderate	15.112 \| fine	47.609 \| good	23.963 \| good	0.378 \| good	28.682 \| good	0.555 \| good
2025-09-06T18:00:00.000Z	64 \| moderate	14.588 \| fine	80.874 \| fine	33.375 \| good	0.469 \| good	29.262 \| good	0.546 \| good
2025-09-06T19:00:00.000Z	60 \| moderate	13.706 \| fine	47.036 \| good	47.631 \| good	0.405 \| good	18.328 \| good	0.38 \| good
2025-09-06T20:00:00.000Z	56 \| moderate	12.192 \| fine	33.27 \| good	55.28 \| fine	0.37 \| good	14.145 \| good	0.307 \| good
2025-09-06T21:00:00.000Z	87 \| moderate	10.216 \| good	37.273 \| good	66.174 \| fine	0.362 \| good	10.862 \| good	0.28 \| good
2025-09-06T22:00:00.000Z	100 \| moderate	10.407 \| good	31.743 \| good	70.021 \| fine	0.357 \| good	8.944 \| good	0.296 \| good
2025-09-06T23:00:00.000Z	97 \| moderate	8.391 \| good	38.266 \| good	69.067 \| fine	0.49 \| good	7.829 \| good	0.226 \| good
2025-09-07T00:00:00.000Z	97 \| moderate	8.941 \| good	32.056 \| good	69.052 \| fine	0.564 \| good	8.424 \| good	0.278 \| good
2025-09-07T01:00:00.000Z	71 \| moderate	8.829 \| good	36.598 \| good	60.663 \| fine	0.711 \| good	10.48 \| good	0.282 \| good
2025-09-07T02:00:00.000Z	52 \| moderate	9.541 \| good	36.333 \| good	54.728 \| good	0.41 \| good	11.622 \| good	0.214 \| good
2025-09-07T03:00:00.000Z	38 \| good	6.74 \| good	30 \| good	33.704 \| good	3.518 \| good	14.381 \| good	0.18 \| good
2025-09-07T04:00:00.000Z	40 \| good	7.178 \| good	29.369 \| good	42.901 \| good	0.187 \| good	18.38 \| good	0.369 \| good
2025-09-07T05:00:00.000Z	44 \| good	7.514 \| good	21.068 \| good	37.349 \| good	0.378 \| good	17.052 \| good	0.374 \| good
2025-09-07T06:00:00.000Z	49 \| good	8.914 \| good	22.617 \| good	37.331 \| good	0.257 \| good	18.315 \| good	0.39 \| good
2025-09-07T07:00:00.000Z	44 \| good	8.421 \| good	26.686 \| good	26.442 \| good	0.274 \| good	15.41 \| good	0.379 \| good
2025-09-07T08:00:00.000Z	38 \| good	7.346 \| good	27.277 \| good	24.018 \| good	0.277 \| good	18.329 \| good	0.379 \| good
2025-09-07T09:00:00.000Z	44 \| good	8.491 \| good	23.662 \| good	19.578 \| good	0.254 \| good	16.107 \| good	0.397 \| good
2025-09-07T10:00:00.000Z	38 \| good	7.118 \| good	26.028 \| good	19.331 \| good	0.261 \| good	16.107 \| good	0.397 \| good
2025-09-07T11:00:00.000Z	38 \| good	7.136 \| good	24.719 \| good	18.948 \| good	0.261 \| good	16.107 \| good	0.397 \| good
2025-09-07T12:00:00.000Z	49 \| good	8.833 \| good	26.69 \| good	12.437 \| good	0.185 \| good	16.236 \| good	0.384 \| good
2025-09-07T13:00:00.000Z	44 \| good	7.553 \| good	29.349 \| good	12.999 \| good	0.141 \| good	20.121 \| good	0.392 \| good
2025-09-07T14:00:00.000Z	50 \| good	8.321 \| good	54.144 \| good	14.81 \| good	0.161 \| good	20.15 \| good	0.392 \| good
2025-09-07T15:00:00.000Z	44 \| good	7.809 \| good	26.797 \| good	18.398 \| good	0.457 \| good	17.664 \| good	0.462 \| good
2025-09-07T16:00:00.000Z	52 \| moderate	9.757 \| good	31.137 \| good	24.307 \| good	0.296 \| good	21.846 \| good	0.458 \| good
2025-09-07T17:00:00.000Z	71 \| moderate	19.601 \| fine	63.486 \| fine	34.999 \| good	0.286 \| good	19.41 \| good	0.399 \| good
2025-09-07T18:00:00.000Z	58 \| moderate	13.072 \| fine	32.219 \| good	43.395 \| good	0.339 \| good	14.271 \| good	0.32 \| good
2025-09-07T19:00:00.000Z	51 \| moderate	8.537 \| good	31.636 \| good	54.606 \| good	0.369 \| good	8.938 \| good	0.22 \| good
2025-09-07T20:00:00.000Z	64 \| moderate	8.66 \| good	25.788 \| good	58.997 \| fine	0.26 \| good	7.459 \| good	0.199 \| good
2025-09-07T21:00:00.000Z	84 \| moderate	8.18 \| good	30.428 \| good	64.628 \| fine	0.251 \| good	7.295 \| good	0.199 \| good
2025-09-07T22:00:00.000Z	80 \| moderate	7.45 \| good	22.466 \| good	63.662 \| fine	1.578 \| good	5.226 \| good	0.188 \| good
2025-09-07T23:00:00.000Z	97 \| moderate	6.235 \| good	17.928 \| good	68.514 \| fine	0.974 \| good	5.788 \| good	0.199 \| good
2025-09-08T00:00:00.000Z	97 \| moderate	6.758 \| good	23.554 \| good	69.47 \| fine	0.938 \| good	7.547 \| good	0.199 \| good
2025-09-08T01:00:00.000Z	67 \| moderate	6.356 \| good	31.515 \| good	59.833 \| fine	0.811 \| good	8.174 \| good	0.19 \| good
2025-09-08T02:00:00.000Z	51 \| moderate	6.5 \| good	22.097 \| good	55.383 \| fine	0.632 \| good	9.604 \| good	0.214 \| good
2025-09-08T03:00:00.000Z	44 \| good	8.308 \| good	29.4 \| good	47.63 \| good	1.15 \| good	14.203 \| good	0.272 \| good
2025-09-08T04:00:00.000Z	40 \| good	7.169 \| good	22.765 \| good	42.592 \| good	0.686 \| good	15.771 \| good	0.279 \| good
2025-09-08T05:00:00.000Z	33 \| good	6.37 \| good	21.885 \| good	35.635 \| good	0.689 \| good	20.216 \| good	0.358 \| good
2025-09-08T06:00:00.000Z	33 \| good	5.82 \| good	22.495 \| good	30.954 \| good	0.41 \| good	17.937 \| good	0.29 \| good
2025-09-08T07:00:00.000Z	38 \| good	6.642 \| good	26.176 \| good	23.788 \| good	0.357 \| good	18.176 \| good	0.279 \| good
2025-09-08T08:00:00.000Z	29 \| good	5.478 \| good	30.882 \| good	18.456 \| good	0.236 \| good	24.505 \| good	0.347 \| good
2025-09-08T09:00:00.000Z	38 \| good	6.565 \| good	24.456 \| good	13.925 \| good	0.172 \| good	28.398 \| good	0.37 \| good
2025-09-08T10:00:00.000Z	38 \| good	6.639 \| good	22.892 \| good	11.649 \| good	0.204 \| good	23.199 \| good	0.37 \| good
2025-09-08T11:00:00.000Z	38 \| good	6.665 \| good	22.667 \| good	6.755 \| good	0.247 \| good	26.234 \| good	0.365 \| good
2025-09-08T12:00:00.000Z	38 \| good	7.344 \| good	32.233 \| good	6.485 \| good	0.384 \| good	26.808 \| good	0.37 \| good
2025-09-08T13:00:00.000Z	38 \| good	7.418 \| good	26.148 \| good	6.905 \| good	0.254 \| good	28.592 \| good	0.492 \| good
2025-09-08T14:00:00.000Z	52 \| moderate	9.795 \| good	50.911 \| good	8.775 \| good	0.293 \| good	29.263 \| good	0.53 \| good
2025-09-08T15:00:00.000Z	53 \| moderate	9.645 \| good	59.963 \| fine	11.693 \| good	0.562 \| good	29.998 \| good	0.57 \| good
2025-09-08T15:00:00.000Z	52 \| moderate	9.795 \| good	50.911 \| good	8.775 \| good	0.293 \| good	29.263 \| good	0.53 \| good
2025-08-29T20:00:00.000Z	112 \| sensitive	13.677 \| fine	61.38 \| fine	74.056 \| moderate	2.52 \| good	3.865 \| good	0.145 \| good
2025-08-29T21:00:00.000Z	133 \| sensitive	13.19 \| fine	58.964 \| fine	80.222 \| moderate	2.459 \| good	3.462 \| good	0.142 \| good
2025-08-29T22:00:00.000Z	126 \| sensitive	14.804 \| fine	65.654 \| fine	78.316 \| moderate	2.782 \| good	3.821 \| good	0.142 \| good
2025-08-29T23:00:00.000Z	97 \| moderate	12.657 \| fine	57.667 \| fine	69.258 \| fine	3.105 \| good	4.179 \| good	0.143 \| good
2025-08-30T00:00:00.000Z	77 \| moderate	9.814 \| good	43.638 \| good	62.771 \| fine	3.428 \| good	4.537 \| good	0.143 \| good
2025-08-30T01:00:00.000Z	49 \| good	9.069 \| good	39.767 \| good	50.481 \| good	3.628 \| good	7.214 \| good	0.153 \| good
2025-08-30T02:00:00.000Z	49 \| good	9.255 \| good	41.366 \| good	34.038 \| good	3.827 \| good	9.891 \| good	0.163 \| good
2025-08-30T03:00:00.000Z	44 \| good	7.623 \| good	33.63 \| good	29.624 \| good	4.026 \| good	12.568 \| good	0.173 \| good
2025-08-30T04:00:00.000Z	44 \| good	8.433 \| good	36.902 \| good	26.479 \| good	4.147 \| good	16.028 \| good	0.19 \| good
2025-08-30T05:00:00.000Z	44 \| good	8.458 \| good	37.054 \| good	17.701 \| good	4.267 \| good	19.488 \| good	0.207 \| good
2025-08-30T06:00:00.000Z	52 \| moderate	9.592 \| good	42.71 \| good	12.77 \| good	4.388 \| good	22.948 \| good	0.225 \| good
2025-08-30T07:00:00.000Z	52 \| moderate	9.787 \| good	43.621 \| good	12.698 \| good	4.423 \| good	23.583 \| good	0.232 \| good
2025-08-30T08:00:00.000Z	52 \| moderate	9.681 \| good	43.308 \| good	9.592 \| good	4.459 \| good	24.217 \| good	0.238 \| good
2025-08-30T09:00:00.000Z	52 \| moderate	10.484 \| good	46.495 \| good	6.752 \| good	4.494 \| good	24.852 \| good	0.245 \| good
2025-08-30T10:00:00.000Z	54 \| moderate	11.019 \| good	48.425 \| good	7.388 \| good	4.526 \| good	24.855 \| good	0.25 \| good
2025-08-30T11:00:00.000Z	56 \| moderate	12.085 \| good	54.343 \| good	7.86 \| good	4.559 \| good	24.858 \| good	0.254 \| good
2025-08-30T12:00:00.000Z	58 \| moderate	12.632 \| fine	57.259 \| fine	8.172 \| good	4.592 \| good	24.861 \| good	0.258 \| good
2025-08-30T13:00:00.000Z	54 \| moderate	10.935 \| good	48.118 \| good	8.639 \| good	4.438 \| good	24.178 \| good	0.286 \| good
2025-08-30T14:00:00.000Z	56 \| moderate	12.097 \| good	54.433 \| good	10.667 \| good	4.285 \| good	23.495 \| good	0.315 \| good
2025-08-30T15:00:00.000Z	60 \| moderate	14.231 \| fine	64.347 \| fine	18.156 \| good	4.132 \| good	22.813 \| good	0.343 \| good
2025-08-30T16:00:00.000Z	62 \| moderate	14.963 \| fine	66.661 \| fine	28.057 \| good	4.442 \| good	18.24 \| good	0.299 \| good
2025-08-30T17:00:00.000Z	60 \| moderate	14.239 \| fine	64.15 \| fine	39.738 \| good	4.751 \| good	13.667 \| good	0.255 \| good
2025-08-30T18:00:00.000Z	64 \| moderate	16.027 \| fine	70.89 \| fine	57.801 \| fine	5.061 \| good	9.094 \| good	0.211 \| good
2025-08-30T19:00:00.000Z	105 \| sensitive	16.933 \| fine	76.03 \| fine	71.952 \| moderate	4.656 \| good	7.8 \| good	0.199 \| good
2025-08-30T20:00:00.000Z	122 \| sensitive	18.13 \| fine	80.608 \| fine	77.025 \| moderate	4.251 \| good	6.506 \| good	0.186 \| good
2025-08-30T21:00:00.000Z	133 \| sensitive	16.475 \| fine	72.623 \| fine	79.967 \| moderate	3.846 \| good	5.213 \| good	0.174 \| good
2025-08-30T22:00:00.000Z	150 \| sensitive	16.657 \| fine	73.191 \| fine	85.378 \| moderate	3.896 \| good	5.46 \| good	0.169 \| good
2025-08-30T23:00:00.000Z	136 \| sensitive	15.05 \| fine	66.93 \| fine	80.577 \| moderate	3.946 \| good	5.707 \| good	0.164 \| good
2025-08-31T00:00:00.000Z	108 \| sensitive	12.017 \| good	54.015 \| good	73.179 \| moderate	3.996 \| good	5.954 \| good	0.159 \| good
2025-08-31T01:00:00.000Z	67 \| moderate	10.472 \| good	46.758 \| good	59.567 \| fine	4.33 \| good	8.284 \| good	0.165 \| good
2025-08-31T02:00:00.000Z	56 \| moderate	11.902 \| good	52.492 \| good	40.212 \| good	4.664 \| good	10.614 \| good	0.171 \| good
2025-08-31T03:00:00.000Z	52 \| moderate	10.34 \| good	45.542 \| good	35.366 \| good	4.998 \| good	12.944 \| good	0.177 \| good
2025-08-31T04:00:00.000Z	54 \| moderate	11.162 \| good	49.567 \| good	31.206 \| good	5.076 \| good	15.517 \| good	0.19 \| good
2025-08-31T05:00:00.000Z	56 \| moderate	11.689 \| good	51.827 \| good	26.869 \| good	5.155 \| good	18.089 \| good	0.203 \| good
2025-08-31T06:00:00.000Z	56 \| moderate	12.062 \| good	54.394 \| good	20.411 \| good	5.234 \| good	20.662 \| good	0.216 \| good
2025-08-31T07:00:00.000Z	58 \| moderate	13.367 \| fine	59.854 \| fine	18.58 \| good	5.397 \| good	23.124 \| good	0.235 \| good
2025-08-31T08:00:00.000Z	58 \| moderate	13.02 \| fine	59.049 \| fine	15.452 \| good	5.561 \| good	25.586 \| good	0.253 \| good
2025-08-31T09:00:00.000Z	56 \| moderate	12.301 \| fine	55.19 \| fine	14.623 \| good	5.725 \| good	28.048 \| good	0.272 \| good
2025-08-31T10:00:00.000Z	56 \| moderate	12.103 \| fine	54.188 \| good	13.14 \| good	5.697 \| good	28.186 \| good	0.274 \| good
2025-08-31T11:00:00.000Z	62 \| moderate	14.664 \| fine	65.646 \| fine	13.541 \| good	5.669 \| good	28.325 \| good	0.277 \| good
2025-08-31T12:00:00.000Z	62 \| moderate	14.572 \| fine	65.508 \| fine	10.745 \| good	5.642 \| good	28.463 \| good	0.279 \| good
2025-08-31T13:00:00.000Z	58 \| moderate	13.333 \| fine	59.41 \| fine	8.747 \| good	5.324 \| good	27.797 \| good	0.306 \| good
2025-08-31T14:00:00.000Z	62 \| moderate	14.632 \| fine	64.964 \| fine	12.532 \| good	5.006 \| good	27.131 \| good	0.334 \| good
2025-08-31T15:00:00.000Z	66 \| moderate	17.064 \| fine	76.165 \| fine	20.83 \| good	4.689 \| good	26.464 \| good	0.362 \| good
2025-08-31T16:00:00.000Z	73 \| moderate	20.627 \| fine	90.44 \| fine	38.518 \| good	4.85 \| good	21.836 \| good	0.318 \| good
2025-08-31T17:00:00.000Z	71 \| moderate	19.623 \| fine	86.321 \| fine	57.835 \| fine	5.011 \| good	17.207 \| good	0.275 \| good
2025-08-31T18:00:00.000Z	112 \| sensitive	17.355 \| fine	76.387 \| fine	73.831 \| moderate	5.172 \| good	12.578 \| good	0.231 \| good
2025-08-31T19:00:00.000Z	133 \| sensitive	15.852 \| fine	70.143 \| fine	79.507 \| moderate	4.82 \| good	10.494 \| good	0.216 \| 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 12:00:00, 2025-08-29.

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

The best air quality in Montclair, California was observed at 08:00:00 on 2025-08-29.

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

The air quality in Montclair, California right now is Good, with an AQI of 49.

What pollutant is most frequently found in Montclair, California?

In Montclair, California, PM2.5 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 8.821 μg/m³.

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

Montclair, California currently has a PM₁₀ concentration of 35.133 μg/m³.

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

The current carbon monoxide (CO) level in Montclair, California is 0.207 ppm.

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

The current sulfur dioxide (SO₂) concentration in Montclair, California is 0.547 ppb.

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

Montclair, California currently has an ozone (O₃) concentration of 42.457 ppm.

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

The current level of nitrogen dioxide (NO₂) in Montclair, California is 15.105 ppb.

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