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

Montclair, California currently has a PM10 concentration of 27.567 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Montclair, California is 0.91 ppb.

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

Montclair, California currently has an ozone (O3) concentration of 12.947 ppm.

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

The current level of nitrogen dioxide (NO2) in Montclair, California is 31.011 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 13.047 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)

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)

13.05 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

27.57 μg/m³

155

255

425

605+

Ozone (O₃)

12.95 ppb

201

201+

Sulfur Dioxide (SO₂)

0.91 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

31.01 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.68 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
2025-12-05T19:00:00.000Z	44 \| good	7.644 \| good	40.395 \| good	17.029 \| good	0.776 \| good	29.492 \| good	0.375 \| good
2025-12-05T20:00:00.000Z	44 \| good	8.012 \| good	27.662 \| good	19.414 \| good	0.822 \| good	24.95 \| good	0.291 \| good
2025-12-05T21:00:00.000Z	24 \| good	4.346 \| good	19.239 \| good	23.516 \| good	0.778 \| good	24.566 \| good	0.286 \| good
2025-12-05T22:00:00.000Z	25 \| good	4.279 \| good	17.09 \| good	27.112 \| good	0.686 \| good	22.497 \| good	0.242 \| good
2025-12-05T23:00:00.000Z	24 \| good	3.429 \| good	21.036 \| good	26.462 \| good	0.701 \| good	21.535 \| good	0.286 \| good
2025-12-06T00:00:00.000Z	32 \| good	3.026 \| good	34.94 \| good	28.838 \| good	0.671 \| good	28.743 \| good	0.286 \| good
2025-12-06T01:00:00.000Z	53 \| moderate	6.546 \| good	58.821 \| fine	27.035 \| good	0.554 \| good	29.891 \| good	0.386 \| good
2025-12-06T02:00:00.000Z	49 \| good	9.277 \| good	43.636 \| good	21.755 \| good	0.533 \| good	41.803 \| good	0.481 \| good
2025-12-06T03:00:00.000Z	52 \| moderate	9.957 \| good	42.931 \| good	14.14 \| good	0.73 \| good	44.339 \| good	0.574 \| good
2025-12-06T04:00:00.000Z	62 \| moderate	14.79 \| fine	53.018 \| good	10.737 \| good	1.135 \| good	46.576 \| good	0.754 \| good
2025-12-06T05:00:00.000Z	66 \| moderate	17.403 \| fine	55.486 \| fine	7.519 \| good	1.29 \| good	43.379 \| good	0.789 \| good
2025-12-06T06:00:00.000Z	71 \| moderate	19.606 \| fine	63.796 \| fine	6.03 \| good	1.419 \| good	41.898 \| good	0.825 \| good
2025-12-06T07:00:00.000Z	71 \| moderate	19.62 \| fine	56.454 \| fine	5.771 \| good	1.455 \| good	41.898 \| good	0.825 \| good
2025-12-06T08:00:00.000Z	66 \| moderate	17.04 \| fine	47.269 \| good	3.259 \| good	1.327 \| good	36.375 \| good	0.775 \| good
2025-12-06T09:00:00.000Z	77 \| moderate	22.648 \| fine	63.441 \| fine	2.756 \| good	1.321 \| good	34.276 \| good	0.769 \| good
2025-12-06T10:00:00.000Z	66 \| moderate	16.683 \| fine	41.989 \| good	3.32 \| good	1.295 \| good	33.041 \| good	0.699 \| good
2025-12-06T11:00:00.000Z	60 \| moderate	13.995 \| fine	41.347 \| good	2.751 \| good	1.206 \| good	30.61 \| good	0.605 \| good
2025-12-06T12:00:00.000Z	67 \| moderate	18.134 \| fine	57.102 \| fine	3.272 \| good	1.026 \| good	29.442 \| good	0.587 \| good
2025-12-06T13:00:00.000Z	69 \| moderate	19.333 \| fine	73.954 \| fine	3.58 \| good	1.026 \| good	29.442 \| good	0.587 \| good
2025-12-06T14:00:00.000Z	66 \| moderate	16.983 \| fine	54.841 \| good	4.47 \| good	1.131 \| good	27.902 \| good	0.664 \| good
2025-12-06T15:00:00.000Z	62 \| moderate	15.357 \| fine	38.036 \| good	3.88 \| good	1.46 \| good	29.174 \| good	0.715 \| good
2025-12-06T16:00:00.000Z	64 \| moderate	16.207 \| fine	53.681 \| good	6.218 \| good	1.45 \| good	30.217 \| good	0.783 \| good
2025-12-06T17:00:00.000Z	67 \| moderate	18.488 \| fine	57.761 \| fine	8.123 \| good	1.292 \| good	34.651 \| good	0.664 \| good
2025-12-06T18:00:00.000Z	66 \| moderate	17.04 \| fine	55.83 \| fine	11.37 \| good	1.048 \| good	31.988 \| good	0.53 \| good
2025-12-06T19:00:00.000Z	56 \| moderate	11.59 \| good	39.601 \| good	14.754 \| good	1.227 \| good	31.131 \| good	0.447 \| good
2025-12-06T20:00:00.000Z	44 \| good	8.275 \| good	23.008 \| good	21.866 \| good	1.028 \| good	23.96 \| good	0.326 \| good
2025-12-06T21:00:00.000Z	38 \| good	7.198 \| good	26.578 \| good	26.776 \| good	0.85 \| good	18.926 \| good	0.291 \| good
2025-12-06T22:00:00.000Z	44 \| good	8.2 \| good	27.325 \| good	31.762 \| good	0.753 \| good	17.881 \| good	0.265 \| good
2025-12-06T23:00:00.000Z	52 \| moderate	10.306 \| good	17.595 \| good	34.578 \| good	0.893 \| good	18.744 \| good	0.314 \| good
2025-12-07T00:00:00.000Z	49 \| good	8.697 \| good	18.791 \| good	36.199 \| good	0.888 \| good	22.812 \| good	0.309 \| good
2025-12-07T01:00:00.000Z	43 \| good	7.227 \| good	46.276 \| good	31.948 \| good	0.98 \| good	29.485 \| good	0.429 \| good
2025-12-07T02:00:00.000Z	52 \| moderate	10.334 \| good	37.45 \| good	30.317 \| good	0.984 \| good	34.343 \| good	0.557 \| good
2025-12-07T03:00:00.000Z	54 \| moderate	11.272 \| good	39.074 \| good	21.245 \| good	0.941 \| good	34.268 \| good	0.651 \| good
2025-12-07T04:00:00.000Z	60 \| moderate	14.356 \| fine	50.9 \| good	16.181 \| good	1.175 \| good	36.143 \| good	0.852 \| good
2025-12-07T05:00:00.000Z	71 \| moderate	19.711 \| fine	62.195 \| fine	13.886 \| good	1.146 \| good	34.793 \| good	0.872 \| good
2025-12-07T06:00:00.000Z	73 \| moderate	20.689 \| fine	64.886 \| fine	5.787 \| good	1.019 \| good	35.941 \| good	0.873 \| good
2025-12-07T07:00:00.000Z	73 \| moderate	20.625 \| fine	65.346 \| fine	6.156 \| good	1.027 \| good	35.941 \| good	0.873 \| good
2025-12-07T08:00:00.000Z	75 \| moderate	21.992 \| fine	62.079 \| fine	5.047 \| good	1.106 \| good	34.175 \| good	0.822 \| good
2025-12-07T09:00:00.000Z	71 \| moderate	19.944 \| fine	35.519 \| good	2.638 \| good	0.994 \| good	32.977 \| good	0.769 \| good
2025-12-07T10:00:00.000Z	75 \| moderate	21.713 \| fine	57.789 \| fine	3.088 \| good	0.958 \| good	32.043 \| good	0.727 \| good
2025-12-07T11:00:00.000Z	75 \| moderate	22.473 \| fine	45.478 \| good	3.527 \| good	0.954 \| good	32.043 \| good	0.726 \| good
2025-12-07T12:00:00.000Z	73 \| moderate	21.464 \| fine	53.981 \| good	2.919 \| good	0.936 \| good	32.043 \| good	0.726 \| good
2025-12-07T13:00:00.000Z	60 \| moderate	12.548 \| fine	73.975 \| fine	8.587 \| good	0.846 \| good	8.243 \| good	0.871 \| good
2025-12-07T14:00:00.000Z	64 \| moderate	15.654 \| fine	38.304 \| good	3.535 \| good	0.896 \| good	24.068 \| good	0.626 \| good
2025-12-07T15:00:00.000Z	64 \| moderate	15.841 \| fine	38.354 \| good	4.383 \| good	1.144 \| good	26.962 \| good	0.688 \| good
2025-12-07T16:00:00.000Z	66 \| moderate	17.474 \| fine	43.523 \| good	5.58 \| good	1.133 \| good	28.225 \| good	0.664 \| good
2025-12-07T17:00:00.000Z	64 \| moderate	15.985 \| fine	32.068 \| good	11.06 \| good	1.001 \| good	30.507 \| good	0.611 \| good
2025-12-07T18:00:00.000Z	66 \| moderate	16.875 \| fine	30.698 \| good	14.75 \| good	0.983 \| good	32.325 \| good	0.569 \| good
2025-12-07T18:00:00.000Z	58 \| moderate	13.047 \| fine	27.567 \| good	12.947 \| good	0.91 \| good	31.011 \| good	0.676 \| good
2025-12-07T19:00:00.000Z	27 \| good	4.893 \| good	21.116 \| good	29.318 \| good	2.201 \| good	13.133 \| good	0.213 \| good
2025-12-07T20:00:00.000Z	33 \| good	5.561 \| good	23.964 \| good	33.684 \| good	2.406 \| good	11.446 \| good	0.193 \| good
2025-12-07T21:00:00.000Z	33 \| good	5.405 \| good	23.563 \| good	36.413 \| good	2.61 \| good	9.758 \| good	0.172 \| good
2025-12-07T22:00:00.000Z	44 \| good	7.869 \| good	35.136 \| good	37.56 \| good	2.966 \| good	13.67 \| good	0.192 \| good
2025-12-07T23:00:00.000Z	49 \| good	9.013 \| good	39.913 \| good	37.289 \| good	3.321 \| good	17.582 \| good	0.212 \| good
2025-12-08T00:00:00.000Z	73 \| moderate	20.56 \| fine	90.017 \| fine	32.963 \| good	3.677 \| good	21.495 \| good	0.231 \| good
2025-12-08T01:00:00.000Z	75 \| moderate	22.414 \| fine	98.418 \| fine	26.622 \| good	3.973 \| good	27.99 \| good	0.318 \| good
2025-12-08T02:00:00.000Z	73 \| moderate	20.803 \| fine	91.341 \| fine	23.901 \| good	4.269 \| good	34.485 \| good	0.404 \| good
2025-12-08T03:00:00.000Z	69 \| moderate	18.894 \| fine	83.767 \| fine	20.284 \| good	4.564 \| good	40.98 \| good	0.491 \| good
2025-12-08T04:00:00.000Z	77 \| moderate	23.069 \| fine	101.649 \| fine	12.887 \| good	3.987 \| good	38.923 \| good	0.486 \| good
2025-12-08T05:00:00.000Z	73 \| moderate	20.729 \| fine	91.062 \| fine	11.077 \| good	3.41 \| good	36.865 \| good	0.482 \| good
2025-12-08T06:00:00.000Z	71 \| moderate	19.548 \| fine	85.567 \| fine	12.738 \| good	2.832 \| good	34.808 \| good	0.478 \| good
2025-12-08T07:00:00.000Z	69 \| moderate	19.153 \| fine	84.465 \| fine	13.026 \| good	2.383 \| good	32.691 \| good	0.43 \| good
2025-12-08T08:00:00.000Z	67 \| moderate	18.247 \| fine	80.246 \| fine	13.433 \| good	1.934 \| good	30.574 \| good	0.382 \| good
2025-12-08T09:00:00.000Z	64 \| moderate	15.679 \| fine	70.276 \| fine	13.445 \| good	1.485 \| good	28.457 \| good	0.334 \| good
2025-12-08T10:00:00.000Z	58 \| moderate	12.597 \| fine	55.45 \| fine	13.259 \| good	1.41 \| good	25.794 \| good	0.296 \| good
2025-12-08T11:00:00.000Z	56 \| moderate	11.885 \| good	52.768 \| good	12.458 \| good	1.334 \| good	23.131 \| good	0.257 \| good
2025-12-08T12:00:00.000Z	44 \| good	7.88 \| good	35.233 \| good	12.807 \| good	1.259 \| good	20.468 \| good	0.218 \| good
2025-12-08T13:00:00.000Z	27 \| good	5.215 \| good	23.197 \| good	13.111 \| good	1.375 \| good	20.448 \| good	0.219 \| good
2025-12-08T14:00:00.000Z	22 \| good	3.789 \| good	15.562 \| good	14.84 \| good	1.492 \| good	20.428 \| good	0.22 \| good
2025-12-08T15:00:00.000Z	27 \| good	5 \| good	21.945 \| good	14.718 \| good	1.609 \| good	20.408 \| good	0.221 \| good
2025-12-08T16:00:00.000Z	22 \| good	4.458 \| good	19.298 \| good	18.759 \| good	1.701 \| good	17.738 \| good	0.224 \| good
2025-12-08T17:00:00.000Z	22 \| good	3.996 \| good	17.671 \| good	23.228 \| good	1.794 \| good	15.069 \| good	0.226 \| good
2025-12-08T18:00:00.000Z	26 \| good	2.43 \| good	10.261 \| good	27.559 \| good	1.887 \| good	12.399 \| good	0.229 \| good
2025-12-08T19:00:00.000Z	32 \| good	1.864 \| good	7.517 \| good	35.168 \| good	1.893 \| good	10.543 \| good	0.205 \| good
2025-12-08T20:00:00.000Z	34 \| good	1.512 \| good	6.027 \| good	37.39 \| good	1.899 \| good	8.687 \| good	0.182 \| good
2025-12-08T21:00:00.000Z	36 \| good	1.895 \| good	8.06 \| good	38.555 \| good	1.904 \| good	6.832 \| good	0.158 \| good
2025-12-08T22:00:00.000Z	35 \| good	2.009 \| good	8.015 \| good	38.189 \| good	2.05 \| good	8.894 \| good	0.166 \| good
2025-12-08T23:00:00.000Z	31 \| good	2.405 \| good	9.876 \| good	33.99 \| good	2.196 \| good	10.956 \| good	0.173 \| good
2025-12-09T00:00:00.000Z	25 \| good	2.865 \| good	12.171 \| good	27.159 \| good	2.341 \| good	13.019 \| good	0.18 \| good
2025-12-09T01:00:00.000Z	22 \| good	3.329 \| good	14.677 \| good	24.112 \| good	2.342 \| good	18.649 \| good	0.225 \| good
2025-12-09T02:00:00.000Z	25 \| good	2.575 \| good	10.992 \| good	26.755 \| good	2.342 \| good	24.278 \| good	0.269 \| good
2025-12-09T03:00:00.000Z	28 \| good	2.041 \| good	8.665 \| good	25.144 \| good	2.342 \| good	29.908 \| good	0.313 \| good
2025-12-09T04:00:00.000Z	26 \| good	1.926 \| good	7.874 \| good	20.699 \| good	2.08 \| good	28.047 \| good	0.293 \| good
2025-12-09T05:00:00.000Z	25 \| good	2.041 \| good	8.281 \| good	18.173 \| good	1.817 \| good	26.187 \| good	0.272 \| good
2025-12-09T06:00:00.000Z	23 \| good	2.391 \| good	9.7 \| good	19.265 \| good	1.555 \| good	24.326 \| good	0.251 \| good
2025-12-09T07:00:00.000Z	21 \| good	1.791 \| good	7.378 \| good	17.465 \| good	1.441 \| good	21.938 \| good	0.226 \| good
2025-12-09T08:00:00.000Z	19 \| good	1.819 \| good	7.477 \| good	15.888 \| good	1.327 \| good	19.55 \| good	0.201 \| good
2025-12-09T09:00:00.000Z	16 \| good	1.418 \| good	5.93 \| good	15.968 \| good	1.213 \| good	17.162 \| good	0.176 \| good
2025-12-09T10:00:00.000Z	15 \| good	1.371 \| good	5.744 \| good	15.695 \| good	1.265 \| good	14.96 \| good	0.163 \| good
2025-12-09T11:00:00.000Z	14 \| good	1.744 \| good	7.238 \| good	15.194 \| good	1.317 \| good	12.757 \| good	0.149 \| good
2025-12-09T12:00:00.000Z	14 \| good	1.564 \| good	6.208 \| good	14.906 \| good	1.368 \| good	10.554 \| good	0.135 \| good
2025-12-09T13:00:00.000Z	14 \| good	1.17 \| good	4.674 \| good	14.73 \| good	1.497 \| good	13.014 \| good	0.148 \| good
2025-12-09T14:00:00.000Z	15 \| good	1.613 \| good	6.228 \| good	15.673 \| good	1.626 \| good	15.474 \| good	0.162 \| good
2025-12-09T15:00:00.000Z	17 \| good	2.346 \| good	9.81 \| good	15.45 \| good	1.755 \| good	17.935 \| good	0.175 \| good
2025-12-09T16:00:00.000Z	16 \| good	2.782 \| good	11.369 \| good	15.253 \| good	1.873 \| good	16.345 \| good	0.183 \| good
2025-12-09T17:00:00.000Z	18 \| good	3.406 \| good	13.953 \| good	19.121 \| good	1.992 \| good	14.755 \| good	0.191 \| good
2025-12-09T18:00:00.000Z	22 \| good	1.908 \| good	7.798 \| good	23.542 \| good	2.11 \| good	13.166 \| good	0.199 \| good

Montclair

Empower business decisions with accurate air quality data

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

0.72ppm

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 11:00:00, 2025-12-07.

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

The best air quality in Montclair, California was observed at 09:00:00 on 2025-12-06.

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

The air quality in Montclair, California right now is Moderate, with an AQI of 58.

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 13.047 μg/m³.

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

Montclair, California currently has a PM₁₀ concentration of 27.567 μg/m³.

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

The current carbon monoxide (CO) level in Montclair, California is 0.676 ppm.

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

The current sulfur dioxide (SO₂) concentration in Montclair, California is 0.91 ppb.

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

Montclair, California currently has an ozone (O₃) concentration of 12.947 ppm.

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

The current level of nitrogen dioxide (NO₂) in Montclair, California is 31.011 ppb.

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