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

Piedmont, California currently has a PM10 concentration of 16.982 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Piedmont, California is 0.611 ppb.

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

Piedmont, California currently has an ozone (O3) concentration of 26.724 ppm.

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

The current level of nitrogen dioxide (NO2) in Piedmont, California is 4.45 ppb.

Current air quality index in Piedmont, California today

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

Stay updated with real-time air quality in Piedmont, 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

Piedmont, California

Last updated: ... (Local time)

Major air pollutants in Piedmont, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.91 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

16.98 μg/m³

155

255

425

605+

Ozone (O₃)

26.72 ppb

201

201+

Sulfur Dioxide (SO₂)

0.61 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.45 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.36 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Piedmont, California

Get Live Pollen Counts

Piedmont, California

Scroll To Air Quality Map

Track live Piedmont, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-04T07:00:00.000Z	58 \| moderate	13.164 \| fine	59.172 \| fine	31.848 \| good	0.638 \| good	4.939 \| good	0.35 \| good
2025-06-04T08:00:00.000Z	58 \| moderate	12.726 \| fine	57.295 \| fine	31.72 \| good	0.681 \| good	4.297 \| good	0.341 \| good
2025-06-04T09:00:00.000Z	60 \| moderate	14.16 \| fine	63.316 \| fine	30.279 \| good	0.703 \| good	3.204 \| good	0.31 \| good
2025-06-04T10:00:00.000Z	60 \| moderate	13.651 \| fine	60.824 \| fine	29.709 \| good	0.668 \| good	3.898 \| good	0.31 \| good
2025-06-04T11:00:00.000Z	58 \| moderate	13.307 \| fine	59.803 \| fine	30.408 \| good	0.645 \| good	3.58 \| good	0.31 \| good
2025-06-04T12:00:00.000Z	56 \| moderate	12.318 \| fine	55.523 \| fine	29.536 \| good	0.642 \| good	3.601 \| good	0.31 \| good
2025-06-04T13:00:00.000Z	52 \| moderate	10.02 \| good	44.464 \| good	23.616 \| good	1.046 \| good	4.161 \| good	0.121 \| good
2025-06-04T14:00:00.000Z	60 \| moderate	14.05 \| fine	63.332 \| fine	28.045 \| good	0.705 \| good	5.261 \| good	0.351 \| good
2025-06-04T15:00:00.000Z	60 \| moderate	14.338 \| fine	63.579 \| fine	27.238 \| good	0.729 \| good	6.964 \| good	0.369 \| good
2025-06-04T16:00:00.000Z	62 \| moderate	14.745 \| fine	65.926 \| fine	27.071 \| good	0.809 \| good	7.171 \| good	0.402 \| good
2025-06-04T17:00:00.000Z	62 \| moderate	14.657 \| fine	64.902 \| fine	26.202 \| good	0.714 \| good	6.99 \| good	0.434 \| good
2025-06-04T18:00:00.000Z	60 \| moderate	14.232 \| fine	63.224 \| fine	26.054 \| good	1.036 \| good	6.777 \| good	0.423 \| good
2025-06-04T19:00:00.000Z	60 \| moderate	14.024 \| fine	62.585 \| fine	28.017 \| good	1.848 \| good	5.482 \| good	0.374 \| good
2025-06-04T20:00:00.000Z	60 \| moderate	13.911 \| fine	62.742 \| fine	31.39 \| good	1.084 \| good	4.391 \| good	0.341 \| good
2025-06-04T21:00:00.000Z	62 \| moderate	14.64 \| fine	65.729 \| fine	34.298 \| good	0.873 \| good	3.981 \| good	0.341 \| good
2025-06-04T22:00:00.000Z	62 \| moderate	15.004 \| fine	66.435 \| fine	34.305 \| good	0.791 \| good	3.796 \| good	0.374 \| good
2025-06-04T23:00:00.000Z	60 \| moderate	14.311 \| fine	63.693 \| fine	34.79 \| good	0.737 \| good	3.94 \| good	0.389 \| good
2025-06-05T00:00:00.000Z	60 \| moderate	14.257 \| fine	63.669 \| fine	34.246 \| good	0.715 \| good	4.248 \| good	0.389 \| good
2025-06-05T01:00:00.000Z	60 \| moderate	14.256 \| fine	63.329 \| fine	33.103 \| good	0.722 \| good	3.996 \| good	0.374 \| good
2025-06-05T02:00:00.000Z	60 \| moderate	13.691 \| fine	61.262 \| fine	33.208 \| good	0.771 \| good	4.087 \| good	0.341 \| good
2025-06-05T03:00:00.000Z	58 \| moderate	13.116 \| fine	58.359 \| fine	32.111 \| good	0.701 \| good	4.757 \| good	0.341 \| good
2025-06-05T04:00:00.000Z	54 \| moderate	10.742 \| good	48.096 \| good	31.98 \| good	0.645 \| good	5.334 \| good	0.341 \| good
2025-06-05T05:00:00.000Z	52 \| moderate	10.456 \| good	46.629 \| good	30.645 \| good	0.636 \| good	5.556 \| good	0.341 \| good
2025-06-05T06:00:00.000Z	49 \| good	9.114 \| good	40.817 \| good	30.247 \| good	0.612 \| good	3.526 \| good	0.341 \| good
2025-06-05T07:00:00.000Z	49 \| good	9.407 \| good	42.359 \| good	30.071 \| good	0.627 \| good	2.679 \| good	0.341 \| good
2025-06-05T08:00:00.000Z	44 \| good	8.128 \| good	35.97 \| good	29.439 \| good	0.629 \| good	2.831 \| good	0.341 \| good
2025-06-05T09:00:00.000Z	38 \| good	7.239 \| good	32.059 \| good	28.674 \| good	0.726 \| good	3.013 \| good	0.343 \| good
2025-06-05T10:00:00.000Z	44 \| good	7.779 \| good	34.897 \| good	28.169 \| good	0.953 \| good	3.152 \| good	0.31 \| good
2025-06-05T11:00:00.000Z	44 \| good	7.912 \| good	34.897 \| good	28.112 \| good	0.823 \| good	4.732 \| good	0.31 \| good
2025-06-05T12:00:00.000Z	49 \| good	8.609 \| good	38.309 \| good	26.505 \| good	1.021 \| good	5.034 \| good	0.31 \| good
2025-06-05T13:00:00.000Z	49 \| good	8.587 \| good	37.887 \| good	27.049 \| good	1.743 \| good	4.695 \| good	0.341 \| good
2025-06-05T14:00:00.000Z	44 \| good	8.395 \| good	37.112 \| good	27.177 \| good	1.072 \| good	5.221 \| good	0.359 \| good
2025-06-05T15:00:00.000Z	44 \| good	8.104 \| good	35.693 \| good	26.212 \| good	1.067 \| good	5.851 \| good	0.372 \| good
2025-06-05T16:00:00.000Z	49 \| good	8.977 \| good	39.833 \| good	25.295 \| good	1.059 \| good	6.634 \| good	0.353 \| good
2025-06-05T17:00:00.000Z	49 \| good	9.176 \| good	41.011 \| good	26.621 \| good	1.2 \| good	5.093 \| good	0.341 \| good
2025-06-05T18:00:00.000Z	49 \| good	9.121 \| good	40.796 \| good	26.571 \| good	1.087 \| good	4.651 \| good	0.369 \| good
2025-06-05T19:00:00.000Z	44 \| good	8.216 \| good	36.182 \| good	29.084 \| good	0.685 \| good	4.076 \| good	0.357 \| good
2025-06-05T20:00:00.000Z	38 \| good	7.258 \| good	32.334 \| good	30.216 \| good	0.429 \| good	4.232 \| good	0.357 \| good
2025-06-05T21:00:00.000Z	38 \| good	7.132 \| good	31.46 \| good	32.165 \| good	0.866 \| good	4.515 \| good	0.341 \| good
2025-06-05T22:00:00.000Z	38 \| good	7.074 \| good	31.383 \| good	32.696 \| good	0.675 \| good	3.981 \| good	0.341 \| good
2025-06-05T23:00:00.000Z	38 \| good	7.319 \| good	32.854 \| good	31.699 \| good	1.115 \| good	3.402 \| good	0.357 \| good
2025-06-06T00:00:00.000Z	44 \| good	7.63 \| good	34.097 \| good	32.048 \| good	0.834 \| good	3.083 \| good	0.341 \| good
2025-06-06T01:00:00.000Z	38 \| good	7.083 \| good	31.489 \| good	31.51 \| good	0.66 \| good	2.899 \| good	0.341 \| good
2025-06-06T02:00:00.000Z	33 \| good	6.071 \| good	26.892 \| good	30.063 \| good	0.677 \| good	2.948 \| good	0.341 \| good
2025-06-06T03:00:00.000Z	27 \| good	5.275 \| good	23.3 \| good	29.414 \| good	0.796 \| good	2.751 \| good	0.341 \| good
2025-06-06T04:00:00.000Z	27 \| good	4.744 \| good	20.972 \| good	28.979 \| good	0.772 \| good	3.245 \| good	0.341 \| good
2025-06-06T05:00:00.000Z	27 \| good	3.949 \| good	17.244 \| good	28.828 \| good	0.612 \| good	3.568 \| good	0.341 \| good
2025-06-06T06:00:00.000Z	25 \| good	3.795 \| good	16.569 \| good	27.052 \| good	0.474 \| good	3.37 \| good	0.341 \| good
2025-06-06T06:00:00.000Z	25 \| good	3.91 \| good	16.982 \| good	26.724 \| good	0.611 \| good	4.45 \| good	0.36 \| good
2025-06-06T07:00:00.000Z	54 \| moderate	10.946 \| good	48.386 \| good	24.837 \| good	0.617 \| good	5.032 \| good	0.107 \| good
2025-06-06T08:00:00.000Z	54 \| moderate	11.049 \| good	49.139 \| good	26.629 \| good	0.734 \| good	5.747 \| good	0.111 \| good
2025-06-06T09:00:00.000Z	56 \| moderate	11.55 \| good	51.191 \| good	26.273 \| good	0.851 \| good	6.462 \| good	0.115 \| good
2025-06-06T10:00:00.000Z	54 \| moderate	11.36 \| good	50.377 \| good	27.068 \| good	0.589 \| good	4.298 \| good	0.102 \| good
2025-06-06T11:00:00.000Z	54 \| moderate	11.137 \| good	49.385 \| good	28.138 \| good	0.712 \| good	5.073 \| good	0.105 \| good
2025-06-06T12:00:00.000Z	54 \| moderate	11.242 \| good	49.81 \| good	29.135 \| good	0.835 \| good	5.847 \| good	0.109 \| good
2025-06-06T13:00:00.000Z	54 \| moderate	11.333 \| good	49.836 \| good	28.188 \| good	0.693 \| good	2.949 \| good	0.099 \| good
2025-06-06T14:00:00.000Z	58 \| moderate	12.539 \| fine	56.391 \| fine	26.473 \| good	0.834 \| good	3.46 \| good	0.103 \| good
2025-06-06T15:00:00.000Z	56 \| moderate	12.378 \| fine	55.766 \| fine	27.167 \| good	0.975 \| good	3.97 \| good	0.106 \| good
2025-06-06T16:00:00.000Z	52 \| moderate	10.462 \| good	46.138 \| good	27.775 \| good	0.736 \| good	2.226 \| good	0.105 \| good
2025-06-06T17:00:00.000Z	54 \| moderate	11.489 \| good	50.675 \| good	29.757 \| good	0.861 \| good	2.603 \| good	0.109 \| good
2025-06-06T18:00:00.000Z	54 \| moderate	10.561 \| good	46.772 \| good	33.469 \| good	0.985 \| good	2.979 \| good	0.113 \| good
2025-06-06T19:00:00.000Z	56 \| moderate	12.393 \| fine	55.426 \| fine	36 \| good	0.79 \| good	1.44 \| good	0.103 \| good
2025-06-06T20:00:00.000Z	56 \| moderate	11.969 \| good	53.438 \| good	36.702 \| good	0.924 \| good	1.651 \| good	0.107 \| good
2025-06-06T21:00:00.000Z	56 \| moderate	11.54 \| good	51.431 \| good	35.761 \| good	1.057 \| good	1.862 \| good	0.111 \| good
2025-06-06T22:00:00.000Z	54 \| moderate	10.523 \| good	46.637 \| good	35.94 \| good	0.707 \| good	1.599 \| good	0.103 \| good
2025-06-06T23:00:00.000Z	56 \| moderate	12.039 \| good	53.738 \| good	34.33 \| good	0.849 \| good	1.755 \| good	0.107 \| good
2025-06-07T00:00:00.000Z	52 \| moderate	10.332 \| good	45.879 \| good	30.751 \| good	0.991 \| good	1.911 \| good	0.111 \| good
2025-06-07T01:00:00.000Z	54 \| moderate	11.478 \| good	51.244 \| good	30.496 \| good	0.717 \| good	4.134 \| good	0.11 \| good
2025-06-07T02:00:00.000Z	56 \| moderate	11.56 \| good	51.781 \| good	27.966 \| good	0.857 \| good	4.48 \| good	0.114 \| good
2025-06-07T03:00:00.000Z	58 \| moderate	12.625 \| fine	57.095 \| fine	24.337 \| good	0.997 \| good	4.825 \| good	0.117 \| good
2025-06-07T04:00:00.000Z	58 \| moderate	13.015 \| fine	58.541 \| fine	22.262 \| good	0.978 \| good	7.452 \| good	0.122 \| good
2025-06-07T05:00:00.000Z	56 \| moderate	12.485 \| fine	56.489 \| fine	22.767 \| good	1.124 \| good	8.192 \| good	0.126 \| good
2025-06-07T06:00:00.000Z	54 \| moderate	11.422 \| good	50.706 \| good	24.284 \| good	1.27 \| good	8.931 \| good	0.131 \| good
2025-06-07T07:00:00.000Z	54 \| moderate	11.436 \| good	50.933 \| good	23.368 \| good	1.031 \| good	8.417 \| good	0.126 \| good
2025-06-07T08:00:00.000Z	54 \| moderate	11.476 \| good	51.19 \| good	21.487 \| good	1.199 \| good	9.566 \| good	0.132 \| good
2025-06-07T09:00:00.000Z	54 \| moderate	11.403 \| good	50.655 \| good	20.747 \| good	1.368 \| good	10.714 \| good	0.138 \| good
2025-06-07T10:00:00.000Z	58 \| moderate	12.67 \| fine	56.432 \| fine	21.45 \| good	0.936 \| good	7.327 \| good	0.117 \| good
2025-06-07T11:00:00.000Z	54 \| moderate	10.788 \| good	47.718 \| good	20.168 \| good	1.114 \| good	8.766 \| good	0.124 \| good
2025-06-07T12:00:00.000Z	60 \| moderate	14.156 \| fine	63.082 \| fine	24.353 \| good	1.291 \| good	10.205 \| good	0.131 \| good
2025-06-07T13:00:00.000Z	56 \| moderate	12.141 \| fine	54.032 \| good	23.828 \| good	1.079 \| good	3.889 \| good	0.105 \| good
2025-06-07T14:00:00.000Z	56 \| moderate	12.076 \| good	53.565 \| good	24.797 \| good	1.301 \| good	4.653 \| good	0.111 \| good
2025-06-07T15:00:00.000Z	54 \| moderate	11.26 \| good	49.825 \| good	26.128 \| good	1.524 \| good	5.417 \| good	0.116 \| good
2025-06-07T16:00:00.000Z	49 \| good	8.981 \| good	39.517 \| good	27.494 \| good	0.946 \| good	2.276 \| good	0.104 \| good
2025-06-07T17:00:00.000Z	49 \| good	9.288 \| good	41.536 \| good	30.374 \| good	1.08 \| good	2.71 \| good	0.108 \| good
2025-06-07T18:00:00.000Z	49 \| good	8.656 \| good	38.176 \| good	33.134 \| good	1.214 \| good	3.143 \| good	0.113 \| good
2025-06-07T19:00:00.000Z	52 \| moderate	10.419 \| good	46.119 \| good	36.209 \| good	0.794 \| good	1.179 \| good	0.099 \| good
2025-06-07T20:00:00.000Z	52 \| moderate	10.076 \| good	44.817 \| good	37.841 \| good	0.911 \| good	1.373 \| good	0.103 \| good
2025-06-07T21:00:00.000Z	49 \| good	9.407 \| good	42.033 \| good	36.479 \| good	1.027 \| good	1.567 \| good	0.107 \| good
2025-06-07T22:00:00.000Z	49 \| good	8.639 \| good	38.152 \| good	34.207 \| good	0.603 \| good	1.387 \| good	0.1 \| good
2025-06-07T23:00:00.000Z	52 \| moderate	10.23 \| good	45.496 \| good	32.203 \| good	0.701 \| good	1.573 \| good	0.103 \| good
2025-06-08T00:00:00.000Z	52 \| moderate	9.584 \| good	42.609 \| good	31.991 \| good	0.799 \| good	1.758 \| good	0.106 \| good
2025-06-08T01:00:00.000Z	54 \| moderate	10.682 \| good	47.58 \| good	29.232 \| good	0.551 \| good	3.278 \| good	0.107 \| good
2025-06-08T02:00:00.000Z	54 \| moderate	11.044 \| good	48.976 \| good	28.982 \| good	0.669 \| good	3.868 \| good	0.111 \| good
2025-06-08T03:00:00.000Z	56 \| moderate	12.326 \| fine	55.607 \| fine	26.895 \| good	0.788 \| good	4.459 \| good	0.115 \| good
2025-06-08T04:00:00.000Z	58 \| moderate	13.222 \| fine	59.298 \| fine	25.775 \| good	0.658 \| good	3.876 \| good	0.108 \| good
2025-06-08T05:00:00.000Z	58 \| moderate	13.235 \| fine	58.897 \| fine	26.396 \| good	0.811 \| good	4.804 \| good	0.112 \| good
2025-06-08T06:00:00.000Z	54 \| moderate	10.927 \| good	14.218 \| good	28.082 \| good	0.962 \| good	5.728 \| good	0.117 \| good

Piedmont

Empower business decisions with accurate air quality data

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

0.34ppm

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 Piedmont, California get updated?

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

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

Piedmont, California experienced its worst air quality at 06:00:00, 2025-06-05.

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

The best air quality in Piedmont, California was observed at 05:00:00 on 2025-06-06.

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

The air quality in Piedmont, California right now is Good, with an AQI of 25.

What pollutant is most frequently found in Piedmont, California?

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

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

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

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

Piedmont, California currently has a PM_2.5 concentration of 3.91 μg/m³.

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

Piedmont, California currently has a PM₁₀ concentration of 16.982 μg/m³.

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

The current carbon monoxide (CO) level in Piedmont, California is 0.36 ppm.

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

The current sulfur dioxide (SO₂) concentration in Piedmont, California is 0.611 ppb.

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

Piedmont, California currently has an ozone (O₃) concentration of 26.724 ppm.

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

The current level of nitrogen dioxide (NO₂) in Piedmont, California is 4.45 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-04T07:00:00.000Z	58 \| moderate	13.164 \| fine	59.172 \| fine	31.848 \| good	0.638 \| good	4.939 \| good	0.35 \| good
2025-06-04T08:00:00.000Z	58 \| moderate	12.726 \| fine	57.295 \| fine	31.72 \| good	0.681 \| good	4.297 \| good	0.341 \| good
2025-06-04T09:00:00.000Z	60 \| moderate	14.16 \| fine	63.316 \| fine	30.279 \| good	0.703 \| good	3.204 \| good	0.31 \| good
2025-06-04T10:00:00.000Z	60 \| moderate	13.651 \| fine	60.824 \| fine	29.709 \| good	0.668 \| good	3.898 \| good	0.31 \| good
2025-06-04T11:00:00.000Z	58 \| moderate	13.307 \| fine	59.803 \| fine	30.408 \| good	0.645 \| good	3.58 \| good	0.31 \| good
2025-06-04T12:00:00.000Z	56 \| moderate	12.318 \| fine	55.523 \| fine	29.536 \| good	0.642 \| good	3.601 \| good	0.31 \| good
2025-06-04T13:00:00.000Z	52 \| moderate	10.02 \| good	44.464 \| good	23.616 \| good	1.046 \| good	4.161 \| good	0.121 \| good
2025-06-04T14:00:00.000Z	60 \| moderate	14.05 \| fine	63.332 \| fine	28.045 \| good	0.705 \| good	5.261 \| good	0.351 \| good
2025-06-04T15:00:00.000Z	60 \| moderate	14.338 \| fine	63.579 \| fine	27.238 \| good	0.729 \| good	6.964 \| good	0.369 \| good
2025-06-04T16:00:00.000Z	62 \| moderate	14.745 \| fine	65.926 \| fine	27.071 \| good	0.809 \| good	7.171 \| good	0.402 \| good
2025-06-04T17:00:00.000Z	62 \| moderate	14.657 \| fine	64.902 \| fine	26.202 \| good	0.714 \| good	6.99 \| good	0.434 \| good
2025-06-04T18:00:00.000Z	60 \| moderate	14.232 \| fine	63.224 \| fine	26.054 \| good	1.036 \| good	6.777 \| good	0.423 \| good
2025-06-04T19:00:00.000Z	60 \| moderate	14.024 \| fine	62.585 \| fine	28.017 \| good	1.848 \| good	5.482 \| good	0.374 \| good
2025-06-04T20:00:00.000Z	60 \| moderate	13.911 \| fine	62.742 \| fine	31.39 \| good	1.084 \| good	4.391 \| good	0.341 \| good
2025-06-04T21:00:00.000Z	62 \| moderate	14.64 \| fine	65.729 \| fine	34.298 \| good	0.873 \| good	3.981 \| good	0.341 \| good
2025-06-04T22:00:00.000Z	62 \| moderate	15.004 \| fine	66.435 \| fine	34.305 \| good	0.791 \| good	3.796 \| good	0.374 \| good
2025-06-04T23:00:00.000Z	60 \| moderate	14.311 \| fine	63.693 \| fine	34.79 \| good	0.737 \| good	3.94 \| good	0.389 \| good
2025-06-05T00:00:00.000Z	60 \| moderate	14.257 \| fine	63.669 \| fine	34.246 \| good	0.715 \| good	4.248 \| good	0.389 \| good
2025-06-05T01:00:00.000Z	60 \| moderate	14.256 \| fine	63.329 \| fine	33.103 \| good	0.722 \| good	3.996 \| good	0.374 \| good
2025-06-05T02:00:00.000Z	60 \| moderate	13.691 \| fine	61.262 \| fine	33.208 \| good	0.771 \| good	4.087 \| good	0.341 \| good
2025-06-05T03:00:00.000Z	58 \| moderate	13.116 \| fine	58.359 \| fine	32.111 \| good	0.701 \| good	4.757 \| good	0.341 \| good
2025-06-05T04:00:00.000Z	54 \| moderate	10.742 \| good	48.096 \| good	31.98 \| good	0.645 \| good	5.334 \| good	0.341 \| good
2025-06-05T05:00:00.000Z	52 \| moderate	10.456 \| good	46.629 \| good	30.645 \| good	0.636 \| good	5.556 \| good	0.341 \| good
2025-06-05T06:00:00.000Z	49 \| good	9.114 \| good	40.817 \| good	30.247 \| good	0.612 \| good	3.526 \| good	0.341 \| good
2025-06-05T07:00:00.000Z	49 \| good	9.407 \| good	42.359 \| good	30.071 \| good	0.627 \| good	2.679 \| good	0.341 \| good
2025-06-05T08:00:00.000Z	44 \| good	8.128 \| good	35.97 \| good	29.439 \| good	0.629 \| good	2.831 \| good	0.341 \| good
2025-06-05T09:00:00.000Z	38 \| good	7.239 \| good	32.059 \| good	28.674 \| good	0.726 \| good	3.013 \| good	0.343 \| good
2025-06-05T10:00:00.000Z	44 \| good	7.779 \| good	34.897 \| good	28.169 \| good	0.953 \| good	3.152 \| good	0.31 \| good
2025-06-05T11:00:00.000Z	44 \| good	7.912 \| good	34.897 \| good	28.112 \| good	0.823 \| good	4.732 \| good	0.31 \| good
2025-06-05T12:00:00.000Z	49 \| good	8.609 \| good	38.309 \| good	26.505 \| good	1.021 \| good	5.034 \| good	0.31 \| good
2025-06-05T13:00:00.000Z	49 \| good	8.587 \| good	37.887 \| good	27.049 \| good	1.743 \| good	4.695 \| good	0.341 \| good
2025-06-05T14:00:00.000Z	44 \| good	8.395 \| good	37.112 \| good	27.177 \| good	1.072 \| good	5.221 \| good	0.359 \| good
2025-06-05T15:00:00.000Z	44 \| good	8.104 \| good	35.693 \| good	26.212 \| good	1.067 \| good	5.851 \| good	0.372 \| good
2025-06-05T16:00:00.000Z	49 \| good	8.977 \| good	39.833 \| good	25.295 \| good	1.059 \| good	6.634 \| good	0.353 \| good
2025-06-05T17:00:00.000Z	49 \| good	9.176 \| good	41.011 \| good	26.621 \| good	1.2 \| good	5.093 \| good	0.341 \| good
2025-06-05T18:00:00.000Z	49 \| good	9.121 \| good	40.796 \| good	26.571 \| good	1.087 \| good	4.651 \| good	0.369 \| good
2025-06-05T19:00:00.000Z	44 \| good	8.216 \| good	36.182 \| good	29.084 \| good	0.685 \| good	4.076 \| good	0.357 \| good
2025-06-05T20:00:00.000Z	38 \| good	7.258 \| good	32.334 \| good	30.216 \| good	0.429 \| good	4.232 \| good	0.357 \| good
2025-06-05T21:00:00.000Z	38 \| good	7.132 \| good	31.46 \| good	32.165 \| good	0.866 \| good	4.515 \| good	0.341 \| good
2025-06-05T22:00:00.000Z	38 \| good	7.074 \| good	31.383 \| good	32.696 \| good	0.675 \| good	3.981 \| good	0.341 \| good
2025-06-05T23:00:00.000Z	38 \| good	7.319 \| good	32.854 \| good	31.699 \| good	1.115 \| good	3.402 \| good	0.357 \| good
2025-06-06T00:00:00.000Z	44 \| good	7.63 \| good	34.097 \| good	32.048 \| good	0.834 \| good	3.083 \| good	0.341 \| good
2025-06-06T01:00:00.000Z	38 \| good	7.083 \| good	31.489 \| good	31.51 \| good	0.66 \| good	2.899 \| good	0.341 \| good
2025-06-06T02:00:00.000Z	33 \| good	6.071 \| good	26.892 \| good	30.063 \| good	0.677 \| good	2.948 \| good	0.341 \| good
2025-06-06T03:00:00.000Z	27 \| good	5.275 \| good	23.3 \| good	29.414 \| good	0.796 \| good	2.751 \| good	0.341 \| good
2025-06-06T04:00:00.000Z	27 \| good	4.744 \| good	20.972 \| good	28.979 \| good	0.772 \| good	3.245 \| good	0.341 \| good
2025-06-06T05:00:00.000Z	27 \| good	3.949 \| good	17.244 \| good	28.828 \| good	0.612 \| good	3.568 \| good	0.341 \| good
2025-06-06T06:00:00.000Z	25 \| good	3.795 \| good	16.569 \| good	27.052 \| good	0.474 \| good	3.37 \| good	0.341 \| good
2025-06-06T06:00:00.000Z	25 \| good	3.91 \| good	16.982 \| good	26.724 \| good	0.611 \| good	4.45 \| good	0.36 \| good
2025-06-06T07:00:00.000Z	54 \| moderate	10.946 \| good	48.386 \| good	24.837 \| good	0.617 \| good	5.032 \| good	0.107 \| good
2025-06-06T08:00:00.000Z	54 \| moderate	11.049 \| good	49.139 \| good	26.629 \| good	0.734 \| good	5.747 \| good	0.111 \| good
2025-06-06T09:00:00.000Z	56 \| moderate	11.55 \| good	51.191 \| good	26.273 \| good	0.851 \| good	6.462 \| good	0.115 \| good
2025-06-06T10:00:00.000Z	54 \| moderate	11.36 \| good	50.377 \| good	27.068 \| good	0.589 \| good	4.298 \| good	0.102 \| good
2025-06-06T11:00:00.000Z	54 \| moderate	11.137 \| good	49.385 \| good	28.138 \| good	0.712 \| good	5.073 \| good	0.105 \| good
2025-06-06T12:00:00.000Z	54 \| moderate	11.242 \| good	49.81 \| good	29.135 \| good	0.835 \| good	5.847 \| good	0.109 \| good
2025-06-06T13:00:00.000Z	54 \| moderate	11.333 \| good	49.836 \| good	28.188 \| good	0.693 \| good	2.949 \| good	0.099 \| good
2025-06-06T14:00:00.000Z	58 \| moderate	12.539 \| fine	56.391 \| fine	26.473 \| good	0.834 \| good	3.46 \| good	0.103 \| good
2025-06-06T15:00:00.000Z	56 \| moderate	12.378 \| fine	55.766 \| fine	27.167 \| good	0.975 \| good	3.97 \| good	0.106 \| good
2025-06-06T16:00:00.000Z	52 \| moderate	10.462 \| good	46.138 \| good	27.775 \| good	0.736 \| good	2.226 \| good	0.105 \| good
2025-06-06T17:00:00.000Z	54 \| moderate	11.489 \| good	50.675 \| good	29.757 \| good	0.861 \| good	2.603 \| good	0.109 \| good
2025-06-06T18:00:00.000Z	54 \| moderate	10.561 \| good	46.772 \| good	33.469 \| good	0.985 \| good	2.979 \| good	0.113 \| good
2025-06-06T19:00:00.000Z	56 \| moderate	12.393 \| fine	55.426 \| fine	36 \| good	0.79 \| good	1.44 \| good	0.103 \| good
2025-06-06T20:00:00.000Z	56 \| moderate	11.969 \| good	53.438 \| good	36.702 \| good	0.924 \| good	1.651 \| good	0.107 \| good
2025-06-06T21:00:00.000Z	56 \| moderate	11.54 \| good	51.431 \| good	35.761 \| good	1.057 \| good	1.862 \| good	0.111 \| good
2025-06-06T22:00:00.000Z	54 \| moderate	10.523 \| good	46.637 \| good	35.94 \| good	0.707 \| good	1.599 \| good	0.103 \| good
2025-06-06T23:00:00.000Z	56 \| moderate	12.039 \| good	53.738 \| good	34.33 \| good	0.849 \| good	1.755 \| good	0.107 \| good
2025-06-07T00:00:00.000Z	52 \| moderate	10.332 \| good	45.879 \| good	30.751 \| good	0.991 \| good	1.911 \| good	0.111 \| good
2025-06-07T01:00:00.000Z	54 \| moderate	11.478 \| good	51.244 \| good	30.496 \| good	0.717 \| good	4.134 \| good	0.11 \| good
2025-06-07T02:00:00.000Z	56 \| moderate	11.56 \| good	51.781 \| good	27.966 \| good	0.857 \| good	4.48 \| good	0.114 \| good
2025-06-07T03:00:00.000Z	58 \| moderate	12.625 \| fine	57.095 \| fine	24.337 \| good	0.997 \| good	4.825 \| good	0.117 \| good
2025-06-07T04:00:00.000Z	58 \| moderate	13.015 \| fine	58.541 \| fine	22.262 \| good	0.978 \| good	7.452 \| good	0.122 \| good
2025-06-07T05:00:00.000Z	56 \| moderate	12.485 \| fine	56.489 \| fine	22.767 \| good	1.124 \| good	8.192 \| good	0.126 \| good
2025-06-07T06:00:00.000Z	54 \| moderate	11.422 \| good	50.706 \| good	24.284 \| good	1.27 \| good	8.931 \| good	0.131 \| good
2025-06-07T07:00:00.000Z	54 \| moderate	11.436 \| good	50.933 \| good	23.368 \| good	1.031 \| good	8.417 \| good	0.126 \| good
2025-06-07T08:00:00.000Z	54 \| moderate	11.476 \| good	51.19 \| good	21.487 \| good	1.199 \| good	9.566 \| good	0.132 \| good
2025-06-07T09:00:00.000Z	54 \| moderate	11.403 \| good	50.655 \| good	20.747 \| good	1.368 \| good	10.714 \| good	0.138 \| good
2025-06-07T10:00:00.000Z	58 \| moderate	12.67 \| fine	56.432 \| fine	21.45 \| good	0.936 \| good	7.327 \| good	0.117 \| good
2025-06-07T11:00:00.000Z	54 \| moderate	10.788 \| good	47.718 \| good	20.168 \| good	1.114 \| good	8.766 \| good	0.124 \| good
2025-06-07T12:00:00.000Z	60 \| moderate	14.156 \| fine	63.082 \| fine	24.353 \| good	1.291 \| good	10.205 \| good	0.131 \| good
2025-06-07T13:00:00.000Z	56 \| moderate	12.141 \| fine	54.032 \| good	23.828 \| good	1.079 \| good	3.889 \| good	0.105 \| good
2025-06-07T14:00:00.000Z	56 \| moderate	12.076 \| good	53.565 \| good	24.797 \| good	1.301 \| good	4.653 \| good	0.111 \| good
2025-06-07T15:00:00.000Z	54 \| moderate	11.26 \| good	49.825 \| good	26.128 \| good	1.524 \| good	5.417 \| good	0.116 \| good
2025-06-07T16:00:00.000Z	49 \| good	8.981 \| good	39.517 \| good	27.494 \| good	0.946 \| good	2.276 \| good	0.104 \| good
2025-06-07T17:00:00.000Z	49 \| good	9.288 \| good	41.536 \| good	30.374 \| good	1.08 \| good	2.71 \| good	0.108 \| good
2025-06-07T18:00:00.000Z	49 \| good	8.656 \| good	38.176 \| good	33.134 \| good	1.214 \| good	3.143 \| good	0.113 \| good
2025-06-07T19:00:00.000Z	52 \| moderate	10.419 \| good	46.119 \| good	36.209 \| good	0.794 \| good	1.179 \| good	0.099 \| good
2025-06-07T20:00:00.000Z	52 \| moderate	10.076 \| good	44.817 \| good	37.841 \| good	0.911 \| good	1.373 \| good	0.103 \| good
2025-06-07T21:00:00.000Z	49 \| good	9.407 \| good	42.033 \| good	36.479 \| good	1.027 \| good	1.567 \| good	0.107 \| good
2025-06-07T22:00:00.000Z	49 \| good	8.639 \| good	38.152 \| good	34.207 \| good	0.603 \| good	1.387 \| good	0.1 \| good
2025-06-07T23:00:00.000Z	52 \| moderate	10.23 \| good	45.496 \| good	32.203 \| good	0.701 \| good	1.573 \| good	0.103 \| good
2025-06-08T00:00:00.000Z	52 \| moderate	9.584 \| good	42.609 \| good	31.991 \| good	0.799 \| good	1.758 \| good	0.106 \| good
2025-06-08T01:00:00.000Z	54 \| moderate	10.682 \| good	47.58 \| good	29.232 \| good	0.551 \| good	3.278 \| good	0.107 \| good
2025-06-08T02:00:00.000Z	54 \| moderate	11.044 \| good	48.976 \| good	28.982 \| good	0.669 \| good	3.868 \| good	0.111 \| good
2025-06-08T03:00:00.000Z	56 \| moderate	12.326 \| fine	55.607 \| fine	26.895 \| good	0.788 \| good	4.459 \| good	0.115 \| good
2025-06-08T04:00:00.000Z	58 \| moderate	13.222 \| fine	59.298 \| fine	25.775 \| good	0.658 \| good	3.876 \| good	0.108 \| good
2025-06-08T05:00:00.000Z	58 \| moderate	13.235 \| fine	58.897 \| fine	26.396 \| good	0.811 \| good	4.804 \| good	0.112 \| good
2025-06-08T06:00:00.000Z	54 \| moderate	10.927 \| good	14.218 \| good	28.082 \| good	0.962 \| good	5.728 \| good	0.117 \| good

Current air quality index in Piedmont, California today

Major air pollutants in Piedmont, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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

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Frequently asked questions

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

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