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

Montclair, California currently has a PM10 concentration of 29.028 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Montclair, California is 0.788 ppb.

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

Montclair, California currently has an ozone (O3) concentration of 43.205 ppm.

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

The current level of nitrogen dioxide (NO2) in Montclair, California is 9.784 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 6.511 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)

Good

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)

6.51 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

29.03 μg/m³

155

255

425

605+

Ozone (O₃)

43.20 ppb

201

201+

Sulfur Dioxide (SO₂)

0.79 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

9.78 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.23 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
2026-03-07T22:00:00.000Z	40 \| good	2.978 \| good	25.076 \| good	43.233 \| good	0.575 \| good	1.522 \| good	0.112 \| good
2026-03-07T23:00:00.000Z	40 \| good	2.989 \| good	25.926 \| good	42.892 \| good	0.605 \| good	1.637 \| good	0.112 \| good
2026-03-08T00:00:00.000Z	39 \| good	3.455 \| good	20.732 \| good	41.695 \| good	0.572 \| good	1.627 \| good	0.112 \| good
2026-03-08T01:00:00.000Z	39 \| good	2.835 \| good	20.251 \| good	41.553 \| good	0.6 \| good	1.763 \| good	0.112 \| good
2026-03-08T02:00:00.000Z	37 \| good	2.699 \| good	21.859 \| good	40.335 \| good	0.567 \| good	2.244 \| good	0.12 \| good
2026-03-08T03:00:00.000Z	31 \| good	2.382 \| good	9.808 \| good	33.021 \| good	0.709 \| good	10.549 \| good	0.17 \| good
2026-03-08T04:00:00.000Z	36 \| good	3.581 \| good	14.194 \| good	38.645 \| good	0.591 \| good	4.098 \| good	0.164 \| good
2026-03-08T05:00:00.000Z	35 \| good	4.02 \| good	16.017 \| good	37.838 \| good	0.718 \| good	4.267 \| good	0.22 \| good
2026-03-08T06:00:00.000Z	37 \| good	4.737 \| good	16.42 \| good	39.692 \| good	0.568 \| good	3.22 \| good	0.26 \| good
2026-03-08T07:00:00.000Z	33 \| good	4.123 \| good	13.732 \| good	36.369 \| good	0.575 \| good	3.249 \| good	0.26 \| good
2026-03-08T08:00:00.000Z	37 \| good	3.6 \| good	20.837 \| good	40.465 \| good	0.575 \| good	2.44 \| good	0.204 \| good
2026-03-08T09:00:00.000Z	38 \| good	2.965 \| good	19.855 \| good	41.422 \| good	0.602 \| good	2.114 \| good	0.184 \| good
2026-03-08T10:00:00.000Z	38 \| good	3.144 \| good	22.052 \| good	40.551 \| good	0.602 \| good	2.133 \| good	0.184 \| good
2026-03-08T11:00:00.000Z	37 \| good	3.239 \| good	40.061 \| good	39.237 \| good	0.608 \| good	1.729 \| good	0.184 \| good
2026-03-08T12:00:00.000Z	36 \| good	2.095 \| good	10.862 \| good	38.95 \| good	0.439 \| good	9.344 \| good	0.406 \| good
2026-03-08T13:00:00.000Z	37 \| good	1.639 \| good	12.242 \| good	39.591 \| good	0.599 \| good	8.57 \| good	0.406 \| good
2026-03-08T14:00:00.000Z	33 \| good	3.412 \| good	11.93 \| good	36.437 \| good	0.588 \| good	2.292 \| good	0.296 \| good
2026-03-08T15:00:00.000Z	35 \| good	3.509 \| good	12.137 \| good	37.728 \| good	0.704 \| good	5.17 \| good	0.324 \| good
2026-03-08T16:00:00.000Z	31 \| good	3.831 \| good	15.847 \| good	33.849 \| good	0.65 \| good	2.501 \| good	0.307 \| good
2026-03-08T17:00:00.000Z	36 \| good	3.903 \| good	14.662 \| good	39.443 \| good	0.634 \| good	2.449 \| good	0.248 \| good
2026-03-08T18:00:00.000Z	37 \| good	2.035 \| good	11.377 \| good	39.73 \| good	0.598 \| good	1.54 \| good	0.194 \| good
2026-03-08T19:00:00.000Z	42 \| good	2.955 \| good	17.001 \| good	44.511 \| good	0.597 \| good	1.435 \| good	0.155 \| good
2026-03-08T20:00:00.000Z	41 \| good	3.247 \| good	16.896 \| good	44.168 \| good	0.589 \| good	1.691 \| good	0.137 \| good
2026-03-08T21:00:00.000Z	43 \| good	4.049 \| good	22.024 \| good	45.818 \| good	0.629 \| good	1.718 \| good	0.126 \| good
2026-03-08T22:00:00.000Z	44 \| good	1.745 \| good	16.825 \| good	47.819 \| good	0.729 \| good	2.07 \| good	0.126 \| good
2026-03-08T23:00:00.000Z	45 \| good	2.527 \| good	15.551 \| good	49.191 \| good	0.644 \| good	1.851 \| good	0.124 \| good
2026-03-09T00:00:00.000Z	45 \| good	2.676 \| good	14.52 \| good	49.375 \| good	0.635 \| good	2.13 \| good	0.136 \| good
2026-03-09T01:00:00.000Z	44 \| good	2.14 \| good	20.764 \| good	48.289 \| good	0.669 \| good	2.286 \| good	0.124 \| good
2026-03-09T02:00:00.000Z	42 \| good	2.286 \| good	14.668 \| good	45.302 \| good	0.672 \| good	3.515 \| good	0.132 \| good
2026-03-09T03:00:00.000Z	44 \| good	8.34 \| good	36.277 \| good	25.27 \| good	1.355 \| good	29.817 \| good	0.274 \| good
2026-03-09T04:00:00.000Z	34 \| good	5.377 \| good	21.836 \| good	37.151 \| good	0.643 \| good	17.403 \| good	0.327 \| good
2026-03-09T05:00:00.000Z	31 \| good	4.837 \| good	16.291 \| good	33.251 \| good	0.85 \| good	20.685 \| good	0.292 \| good
2026-03-09T06:00:00.000Z	33 \| good	5.91 \| good	23.424 \| good	34.795 \| good	0.597 \| good	25.61 \| good	0.257 \| good
2026-03-09T07:00:00.000Z	33 \| good	5.721 \| good	27.838 \| good	31.74 \| good	0.608 \| good	25.61 \| good	0.256 \| good
2026-03-09T08:00:00.000Z	27 \| good	5.414 \| good	22.186 \| good	28.807 \| good	0.783 \| good	27.321 \| good	0.391 \| good
2026-03-09T09:00:00.000Z	44 \| good	7.638 \| good	29.257 \| good	30.177 \| good	0.765 \| good	13.485 \| good	0.227 \| good
2026-03-09T10:00:00.000Z	38 \| good	7.022 \| good	27.824 \| good	26.06 \| good	0.66 \| good	7.801 \| good	0.196 \| good
2026-03-09T11:00:00.000Z	33 \| good	5.529 \| good	21.174 \| good	23.452 \| good	0.715 \| good	14.344 \| good	0.212 \| good
2026-03-09T12:00:00.000Z	27 \| good	4.605 \| good	22.871 \| good	26.158 \| good	0.62 \| good	21.893 \| good	0.296 \| good
2026-03-09T13:00:00.000Z	27 \| good	4.71 \| good	22.441 \| good	25.399 \| good	0.62 \| good	21.893 \| good	0.296 \| good
2026-03-09T14:00:00.000Z	27 \| good	5.111 \| good	25.562 \| good	17.602 \| good	0.734 \| good	28.569 \| good	0.502 \| good
2026-03-09T15:00:00.000Z	44 \| good	7.798 \| good	31.821 \| good	20.56 \| good	0.883 \| good	29.232 \| good	0.636 \| good
2026-03-09T16:00:00.000Z	52 \| moderate	10.117 \| good	45.184 \| good	16.214 \| good	0.988 \| good	31.854 \| good	0.532 \| good
2026-03-09T17:00:00.000Z	54 \| moderate	10.514 \| good	44.543 \| good	19.591 \| good	0.949 \| good	28.438 \| good	0.337 \| good
2026-03-09T18:00:00.000Z	38 \| good	7.293 \| good	31.128 \| good	30.143 \| good	0.828 \| good	21.317 \| good	0.3 \| good
2026-03-09T19:00:00.000Z	38 \| good	7.073 \| good	27.545 \| good	35.471 \| good	0.782 \| good	18.49 \| good	0.216 \| good
2026-03-09T20:00:00.000Z	37 \| good	6.172 \| good	25.903 \| good	40.296 \| good	0.77 \| good	9.683 \| good	0.216 \| good
2026-03-09T21:00:00.000Z	40 \| good	6.511 \| good	29.028 \| good	43.205 \| good	0.788 \| good	9.784 \| good	0.228 \| good
2026-03-09T21:00:00.000Z	40 \| good	6.511 \| good	29.028 \| good	43.205 \| good	0.788 \| good	9.784 \| good	0.228 \| good
2026-03-09T22:00:00.000Z	46 \| good	8.056 \| good	35.073 \| good	50.327 \| good	1.794 \| good	3.965 \| good	0.145 \| good
2026-03-09T23:00:00.000Z	49 \| good	7.84 \| good	34.663 \| good	52.518 \| good	1.946 \| good	4.332 \| good	0.144 \| good
2026-03-10T00:00:00.000Z	49 \| good	8.291 \| good	36.799 \| good	53.225 \| good	2.099 \| good	4.698 \| good	0.144 \| good
2026-03-10T01:00:00.000Z	43 \| good	6.246 \| good	27.738 \| good	46.36 \| good	2.323 \| good	9.333 \| good	0.162 \| good
2026-03-10T02:00:00.000Z	31 \| good	4.482 \| good	19.352 \| good	34.362 \| good	2.547 \| good	13.968 \| good	0.18 \| good
2026-03-10T03:00:00.000Z	34 \| good	5.115 \| good	22.197 \| good	37.367 \| good	2.771 \| good	18.602 \| good	0.199 \| good
2026-03-10T04:00:00.000Z	31 \| good	3.802 \| good	16.771 \| good	32.771 \| good	3.009 \| good	24.2 \| good	0.225 \| good
2026-03-10T05:00:00.000Z	33 \| good	5.661 \| good	24.194 \| good	28.626 \| good	3.246 \| good	29.797 \| good	0.252 \| good
2026-03-10T06:00:00.000Z	38 \| good	6.622 \| good	29.268 \| good	26.062 \| good	3.483 \| good	35.394 \| good	0.278 \| good
2026-03-10T07:00:00.000Z	49 \| good	9.378 \| good	41.437 \| good	20.126 \| good	3.603 \| good	36.118 \| good	0.296 \| good
2026-03-10T08:00:00.000Z	56 \| moderate	11.832 \| good	52.564 \| good	14.223 \| good	3.723 \| good	36.842 \| good	0.313 \| good
2026-03-10T09:00:00.000Z	60 \| moderate	13.526 \| fine	60.867 \| fine	11.453 \| good	3.843 \| good	37.567 \| good	0.33 \| good
2026-03-10T10:00:00.000Z	56 \| moderate	12.206 \| fine	54.294 \| good	17.415 \| good	3.852 \| good	35.881 \| good	0.322 \| good
2026-03-10T11:00:00.000Z	58 \| moderate	13.377 \| fine	60.064 \| fine	20.725 \| good	3.861 \| good	34.195 \| good	0.314 \| good
2026-03-10T12:00:00.000Z	58 \| moderate	12.795 \| fine	57.635 \| fine	11.69 \| good	3.871 \| good	32.51 \| good	0.306 \| good
2026-03-10T13:00:00.000Z	62 \| moderate	14.981 \| fine	67.633 \| fine	13.442 \| good	3.8 \| good	30.812 \| good	0.32 \| good
2026-03-10T14:00:00.000Z	60 \| moderate	13.921 \| fine	62.628 \| fine	16.468 \| good	3.729 \| good	29.115 \| good	0.334 \| good
2026-03-10T15:00:00.000Z	64 \| moderate	15.872 \| fine	70.837 \| fine	16.266 \| good	3.658 \| good	27.418 \| good	0.348 \| good
2026-03-10T16:00:00.000Z	60 \| moderate	13.848 \| fine	62.35 \| fine	23.134 \| good	3.854 \| good	22.679 \| good	0.295 \| good
2026-03-10T17:00:00.000Z	56 \| moderate	12.364 \| fine	56.044 \| fine	31.257 \| good	4.05 \| good	17.941 \| good	0.243 \| good
2026-03-10T18:00:00.000Z	52 \| moderate	10.04 \| good	44.438 \| good	31.367 \| good	4.246 \| good	13.203 \| good	0.191 \| good
2026-03-10T19:00:00.000Z	54 \| moderate	10.547 \| good	46.354 \| good	36.73 \| good	4.067 \| good	11.466 \| good	0.183 \| good
2026-03-10T20:00:00.000Z	52 \| moderate	9.603 \| good	42.981 \| good	40.902 \| good	3.888 \| good	9.73 \| good	0.175 \| good
2026-03-10T21:00:00.000Z	54 \| moderate	11.172 \| good	49.775 \| good	44.315 \| good	3.709 \| good	7.993 \| good	0.167 \| good
2026-03-10T22:00:00.000Z	52 \| moderate	10.29 \| good	45.917 \| good	47.091 \| good	3.691 \| good	7.963 \| good	0.165 \| good
2026-03-10T23:00:00.000Z	46 \| good	7.538 \| good	32.943 \| good	49.608 \| good	3.673 \| good	7.933 \| good	0.162 \| good
2026-03-11T00:00:00.000Z	47 \| good	6.484 \| good	29.078 \| good	51.256 \| good	3.655 \| good	7.902 \| good	0.16 \| good
2026-03-11T01:00:00.000Z	41 \| good	5.492 \| good	23.284 \| good	44.157 \| good	3.598 \| good	12.176 \| good	0.177 \| good
2026-03-11T02:00:00.000Z	33 \| good	5.874 \| good	25.265 \| good	32.991 \| good	3.542 \| good	16.449 \| good	0.194 \| good
2026-03-11T03:00:00.000Z	33 \| good	6.223 \| good	27.855 \| good	32.506 \| good	3.485 \| good	20.723 \| good	0.211 \| good
2026-03-11T04:00:00.000Z	38 \| good	6.698 \| good	29.67 \| good	21.877 \| good	3.608 \| good	25.886 \| good	0.231 \| good
2026-03-11T05:00:00.000Z	44 \| good	8.254 \| good	36.07 \| good	11.236 \| good	3.73 \| good	31.049 \| good	0.251 \| good
2026-03-11T06:00:00.000Z	77 \| moderate	22.688 \| fine	26.179 \| good	5.015 \| good	3.856 \| good	36.174 \| good	0.271 \| good
2026-03-11T07:00:00.000Z	54 \| moderate	11.103 \| good	48.813 \| good	9.97 \| good	3.848 \| good	36.271 \| good	0.288 \| good
2026-03-11T08:00:00.000Z	56 \| moderate	11.59 \| good	51.395 \| good	16.814 \| good	3.844 \| good	36.331 \| good	0.306 \| good
2026-03-11T09:00:00.000Z	54 \| moderate	11.029 \| good	49.039 \| good	9.734 \| good	3.84 \| good	36.39 \| good	0.324 \| good
2026-03-11T10:00:00.000Z	52 \| moderate	10.199 \| good	45.276 \| good	10.594 \| good	3.359 \| good	34.517 \| good	0.324 \| good
2026-03-11T11:00:00.000Z	52 \| moderate	10.361 \| good	46.003 \| good	10.068 \| good	2.878 \| good	32.644 \| good	0.324 \| good
2026-03-11T12:00:00.000Z	88 \| moderate	28.808 \| fine	29.809 \| good	1.938 \| good	2.394 \| good	30.725 \| good	0.323 \| good
2026-03-11T13:00:00.000Z	84 \| moderate	27.472 \| fine	28.446 \| good	3.537 \| good	2.542 \| good	28.976 \| good	0.325 \| good
2026-03-11T14:00:00.000Z	84 \| moderate	26.847 \| fine	27.922 \| good	5.137 \| good	2.689 \| good	27.227 \| good	0.327 \| good
2026-03-11T15:00:00.000Z	86 \| moderate	28.107 \| fine	29.449 \| good	6.737 \| good	2.836 \| good	25.479 \| good	0.33 \| good
2026-03-11T16:00:00.000Z	82 \| moderate	26.353 \| fine	27.89 \| good	18.126 \| good	3.128 \| good	21.575 \| good	0.297 \| good
2026-03-11T17:00:00.000Z	60 \| moderate	13.686 \| fine	60.98 \| fine	24.703 \| good	3.431 \| good	17.775 \| good	0.265 \| good
2026-03-11T18:00:00.000Z	66 \| moderate	16.913 \| fine	20.179 \| good	40.904 \| good	3.711 \| good	13.767 \| good	0.232 \| good
2026-03-11T19:00:00.000Z	64 \| moderate	16.081 \| fine	19.149 \| good	45.335 \| good	3.766 \| good	12.954 \| good	0.224 \| good
2026-03-11T20:00:00.000Z	64 \| moderate	15.809 \| fine	18.78 \| good	49.766 \| good	3.82 \| good	12.14 \| good	0.216 \| good
2026-03-11T21:00:00.000Z	62 \| moderate	15.495 \| fine	18.408 \| good	54.197 \| good	3.875 \| good	11.326 \| good	0.208 \| good

Montclair

Empower business decisions with accurate air quality data

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

0.23ppm

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 05:00:00, 2026-03-09.

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

The best air quality in Montclair, California was observed at 02:00:00 on 2026-03-09.

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

The air quality in Montclair, California right now is Good, with an AQI of 40.

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 6.511 μg/m³.

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

Montclair, California currently has a PM₁₀ concentration of 29.028 μg/m³.

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

The current carbon monoxide (CO) level in Montclair, California is 0.228 ppm.

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

The current sulfur dioxide (SO₂) concentration in Montclair, California is 0.788 ppb.

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

Montclair, California currently has an ozone (O₃) concentration of 43.205 ppm.

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

The current level of nitrogen dioxide (NO₂) in Montclair, California is 9.784 ppb.

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