What is the sulfur dioxide (SO2) level in Grafton, Massachusetts at the moment?

Currently, Grafton, Massachusetts has a sulfur dioxide (SO2) concentration of 0.83 ppb.

What is the ozone (O3) level in Grafton, Massachusetts at the moment?

The current ozone (O3) level in Grafton, Massachusetts at the moment is 18.914 ppm.

What is the nitrogen dioxide (NO2) level in Grafton, Massachusetts at the moment?

Nitrogen dioxide (NO2) level in Grafton, Massachusetts at the moment is 4.721 ppb.

Real-time air quality index in Grafton, Massachusetts today

Name: Live air pollution levels in Grafton, Massachusetts today
Creator: Ambee

Stay updated with real-time air quality in Grafton, Massachusetts 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

Grafton, Massachusetts

Last updated: ... (Local time)

Major air pollutants in Grafton, Massachusetts

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

9.66 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

18.63 μg/m³

155

255

425

605+

Ozone (O₃)

18.91 ppb

201

201+

Sulfur Dioxide (SO₂)

0.83 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.72 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.31 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Grafton, Massachusetts

Get Live Pollen Counts

Grafton, Massachusetts

Scroll To Air Quality Map

Track live Grafton, Massachusetts air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-05T17:00:00.000Z	66 \| moderate	17.268 \| fine	48.965 \| good	53.264 \| good	0.899 \| good	8.481 \| good	0.301 \| good
2025-06-05T18:00:00.000Z	69 \| moderate	18.791 \| fine	30.1 \| good	56.99 \| fine	0.819 \| good	6.369 \| good	0.314 \| good
2025-06-05T19:00:00.000Z	71 \| moderate	17.952 \| fine	41.395 \| good	61.105 \| fine	0.737 \| good	5.781 \| good	0.29 \| good
2025-06-05T20:00:00.000Z	87 \| moderate	17.848 \| fine	27.246 \| good	66.316 \| fine	0.315 \| good	8.343 \| good	0.301 \| good
2025-06-05T21:00:00.000Z	74 \| moderate	18.072 \| fine	49.498 \| good	62.165 \| fine	0.629 \| good	8.001 \| good	0.301 \| good
2025-06-05T22:00:00.000Z	67 \| moderate	18.145 \| fine	33.247 \| good	58.54 \| fine	0.583 \| good	6.017 \| good	0.338 \| good
2025-06-05T23:00:00.000Z	67 \| moderate	17.531 \| fine	31.185 \| good	56.382 \| fine	0.604 \| good	5.558 \| good	0.351 \| good
2025-06-06T00:00:00.000Z	69 \| moderate	18.9 \| fine	29.613 \| good	60.329 \| fine	0.578 \| good	6.087 \| good	0.351 \| good
2025-06-06T01:00:00.000Z	74 \| moderate	18.595 \| fine	63.039 \| fine	61.982 \| fine	0.54 \| good	6.932 \| good	0.351 \| good
2025-06-06T02:00:00.000Z	90 \| moderate	18.511 \| fine	57.689 \| fine	67.272 \| fine	0.564 \| good	6.564 \| good	0.351 \| good
2025-06-06T03:00:00.000Z	69 \| moderate	18.77 \| fine	62.083 \| fine	58.308 \| fine	0.601 \| good	15.436 \| good	0.407 \| good
2025-06-06T04:00:00.000Z	67 \| moderate	18.288 \| fine	68.389 \| fine	50.511 \| good	0.57 \| good	7.668 \| good	0.346 \| good
2025-06-06T05:00:00.000Z	69 \| moderate	18.92 \| fine	79.258 \| fine	51.055 \| good	0.743 \| good	16.254 \| good	0.288 \| good
2025-06-06T06:00:00.000Z	66 \| moderate	17.274 \| fine	45.925 \| good	52.017 \| good	0.746 \| good	16.607 \| good	0.229 \| good
2025-06-06T07:00:00.000Z	66 \| moderate	17.213 \| fine	53.199 \| good	43.186 \| good	0.586 \| good	7.534 \| good	0.27 \| good
2025-06-06T08:00:00.000Z	67 \| moderate	18.292 \| fine	31.82 \| good	55.041 \| fine	0.549 \| good	7.213 \| good	0.224 \| good
2025-06-06T09:00:00.000Z	69 \| moderate	19.342 \| fine	36.251 \| good	44.869 \| good	0.615 \| good	6.748 \| good	0.303 \| good
2025-06-06T10:00:00.000Z	69 \| moderate	18.899 \| fine	37.851 \| good	32.418 \| good	0.609 \| good	4.402 \| good	0.294 \| good
2025-06-06T11:00:00.000Z	69 \| moderate	18.695 \| fine	34.059 \| good	31.099 \| good	0.595 \| good	5.381 \| good	0.323 \| good
2025-06-06T12:00:00.000Z	69 \| moderate	18.504 \| fine	51.732 \| good	31.127 \| good	0.608 \| good	6.157 \| good	0.338 \| good
2025-06-06T13:00:00.000Z	66 \| moderate	17.489 \| fine	35.546 \| good	39.523 \| good	0.611 \| good	7.027 \| good	0.27 \| good
2025-06-06T14:00:00.000Z	64 \| moderate	16.037 \| fine	27.047 \| good	36.709 \| good	0.623 \| good	10.041 \| good	0.27 \| good
2025-06-06T15:00:00.000Z	62 \| moderate	15.122 \| fine	39.239 \| good	37.724 \| good	0.52 \| good	6.735 \| good	0.27 \| good
2025-06-06T16:00:00.000Z	62 \| moderate	14.912 \| fine	36.701 \| good	45.204 \| good	0.383 \| good	6.448 \| good	0.27 \| good
2025-06-06T17:00:00.000Z	58 \| moderate	13.265 \| fine	42.554 \| good	54.497 \| good	0.321 \| good	6.05 \| good	0.259 \| good
2025-06-06T18:00:00.000Z	58 \| moderate	13.116 \| fine	32.768 \| good	53.772 \| good	0.499 \| good	7.184 \| good	0.27 \| good
2025-06-06T19:00:00.000Z	64 \| moderate	15.885 \| fine	64.003 \| fine	57.892 \| fine	0.413 \| good	8.559 \| good	0.39 \| good
2025-06-06T20:00:00.000Z	62 \| moderate	15.446 \| fine	44.793 \| good	55.921 \| fine	0.605 \| good	6.849 \| good	0.324 \| good
2025-06-06T21:00:00.000Z	67 \| moderate	17.506 \| fine	41.852 \| good	58.741 \| fine	0.756 \| good	8.97 \| good	0.348 \| good
2025-06-06T22:00:00.000Z	66 \| moderate	16.744 \| fine	61.952 \| fine	53.968 \| good	0.417 \| good	8.588 \| good	0.348 \| good
2025-06-06T23:00:00.000Z	66 \| moderate	17.349 \| fine	61.186 \| fine	53.532 \| good	0.789 \| good	9.1 \| good	0.351 \| good
2025-06-07T00:00:00.000Z	64 \| moderate	15.572 \| fine	53.598 \| good	41.648 \| good	0.647 \| good	7.788 \| good	0.362 \| good
2025-06-07T01:00:00.000Z	62 \| moderate	14.865 \| fine	37.614 \| good	31.973 \| good	0.303 \| good	5.316 \| good	0.307 \| good
2025-06-07T02:00:00.000Z	71 \| moderate	13.931 \| fine	95.066 \| fine	28.491 \| good	0.527 \| good	5.182 \| good	0.304 \| good
2025-06-07T03:00:00.000Z	92 \| moderate	13.135 \| fine	137.38 \| fine	35.163 \| good	0.601 \| good	7.182 \| good	0.267 \| good
2025-06-07T04:00:00.000Z	66 \| moderate	17.184 \| fine	66.437 \| fine	36.653 \| good	0.819 \| good	4.538 \| good	0.223 \| good
2025-06-07T05:00:00.000Z	54 \| moderate	11.245 \| good	34.012 \| good	35.819 \| good	1.012 \| good	5.177 \| good	0.154 \| good
2025-06-07T06:00:00.000Z	49 \| good	8.767 \| good	41.008 \| good	35.911 \| good	0.993 \| good	6.529 \| good	0.154 \| good
2025-06-07T07:00:00.000Z	38 \| good	6.849 \| good	27.139 \| good	30.504 \| good	0.697 \| good	4.574 \| good	0.203 \| good
2025-06-07T08:00:00.000Z	66 \| moderate	16.783 \| fine	53.6 \| good	29.616 \| good	0.751 \| good	4.858 \| good	0.203 \| good
2025-06-07T09:00:00.000Z	58 \| moderate	12.867 \| fine	33.882 \| good	22.072 \| good	0.558 \| good	4.665 \| good	0.267 \| good
2025-06-07T10:00:00.000Z	58 \| moderate	12.75 \| fine	32.096 \| good	13.904 \| good	0.787 \| good	6.639 \| good	0.246 \| good
2025-06-07T11:00:00.000Z	56 \| moderate	11.587 \| good	23.104 \| good	15.093 \| good	0.513 \| good	4.247 \| good	0.19 \| good
2025-06-07T12:00:00.000Z	56 \| moderate	11.764 \| good	35.202 \| good	19.738 \| good	0.561 \| good	3.946 \| good	0.19 \| good
2025-06-07T13:00:00.000Z	54 \| moderate	11.271 \| good	30.899 \| good	18.216 \| good	0.797 \| good	5.039 \| good	0.267 \| good
2025-06-07T14:00:00.000Z	54 \| moderate	10.694 \| good	23.693 \| good	23.42 \| good	0.847 \| good	5.375 \| good	0.267 \| good
2025-06-07T15:00:00.000Z	52 \| moderate	9.66 \| good	18.627 \| good	18.914 \| good	0.83 \| good	4.721 \| good	0.312 \| good
2025-06-07T16:00:00.000Z	52 \| moderate	9.586 \| good	24.447 \| good	20.641 \| good	0.579 \| good	7.643 \| good	0.256 \| good
2025-06-07T16:00:00.000Z	52 \| moderate	9.66 \| good	18.627 \| good	18.914 \| good	0.83 \| good	4.721 \| good	0.312 \| good
2025-06-07T17:00:00.000Z	54 \| moderate	10.788 \| good	47.834 \| good	28.025 \| good	0.403 \| good	2.611 \| good	0.196 \| good
2025-06-07T18:00:00.000Z	49 \| good	8.978 \| good	39.733 \| good	34.049 \| good	0.385 \| good	2.709 \| good	0.196 \| good
2025-06-07T19:00:00.000Z	44 \| good	7.832 \| good	34.403 \| good	33.454 \| good	0.442 \| good	3.627 \| good	0.217 \| good
2025-06-07T20:00:00.000Z	33 \| good	6.303 \| good	28.031 \| good	35.744 \| good	0.458 \| good	3.999 \| good	0.219 \| good
2025-06-07T21:00:00.000Z	35 \| good	4.589 \| good	19.948 \| good	37.556 \| good	0.474 \| good	4.371 \| good	0.221 \| good
2025-06-07T22:00:00.000Z	35 \| good	5.048 \| good	22.014 \| good	38.369 \| good	0.435 \| good	6.03 \| good	0.264 \| good
2025-06-07T23:00:00.000Z	38 \| good	7.223 \| good	31.91 \| good	39.775 \| good	0.5 \| good	6.903 \| good	0.267 \| good
2025-06-08T00:00:00.000Z	38 \| good	7.054 \| good	31.489 \| good	39.554 \| good	0.564 \| good	7.775 \| good	0.271 \| good
2025-06-08T01:00:00.000Z	38 \| good	7.327 \| good	32.422 \| good	38.086 \| good	0.45 \| good	4.858 \| good	0.292 \| good
2025-06-08T02:00:00.000Z	52 \| moderate	9.525 \| good	42.01 \| good	33.279 \| good	0.53 \| good	5.641 \| good	0.29 \| good
2025-06-08T03:00:00.000Z	49 \| good	8.894 \| good	39.501 \| good	29.102 \| good	0.61 \| good	6.423 \| good	0.288 \| good
2025-06-08T04:00:00.000Z	44 \| good	8.094 \| good	35.538 \| good	26.774 \| good	0.451 \| good	3.408 \| good	0.321 \| good
2025-06-08T05:00:00.000Z	44 \| good	8.031 \| good	35.238 \| good	27.52 \| good	0.521 \| good	3.91 \| good	0.319 \| good
2025-06-08T06:00:00.000Z	44 \| good	8.278 \| good	36.497 \| good	24.711 \| good	0.591 \| good	4.412 \| good	0.317 \| good
2025-06-08T07:00:00.000Z	49 \| good	9.49 \| good	42.179 \| good	22.082 \| good	0.47 \| good	2.475 \| good	0.311 \| good
2025-06-08T08:00:00.000Z	52 \| moderate	10.234 \| good	45.463 \| good	20.081 \| good	0.529 \| good	2.871 \| good	0.314 \| good
2025-06-08T09:00:00.000Z	52 \| moderate	9.979 \| good	44.531 \| good	12.837 \| good	0.589 \| good	3.267 \| good	0.317 \| good
2025-06-08T10:00:00.000Z	52 \| moderate	9.516 \| good	42.612 \| good	15.196 \| good	0.502 \| good	2.277 \| good	0.297 \| good
2025-06-08T11:00:00.000Z	52 \| moderate	10.461 \| good	46.569 \| good	17.767 \| good	0.592 \| good	2.611 \| good	0.305 \| good
2025-06-08T12:00:00.000Z	54 \| moderate	10.589 \| good	46.715 \| good	25.333 \| good	0.682 \| good	2.946 \| good	0.313 \| good
2025-06-08T13:00:00.000Z	44 \| good	8.232 \| good	36.084 \| good	32.825 \| good	0.553 \| good	1.977 \| good	0.295 \| good
2025-06-08T14:00:00.000Z	54 \| moderate	11.232 \| good	49.771 \| good	37.703 \| good	0.583 \| good	2.119 \| good	0.294 \| good
2025-06-08T15:00:00.000Z	58 \| moderate	13.308 \| fine	59.431 \| fine	38.61 \| good	0.613 \| good	2.261 \| good	0.293 \| good
2025-06-08T16:00:00.000Z	64 \| moderate	15.584 \| fine	69.82 \| fine	39.572 \| good	0.472 \| good	1.65 \| good	0.266 \| good
2025-06-08T17:00:00.000Z	66 \| moderate	17.337 \| fine	76.786 \| fine	42.205 \| good	0.494 \| good	1.734 \| good	0.263 \| good
2025-06-08T18:00:00.000Z	69 \| moderate	19.374 \| fine	85.152 \| fine	46.509 \| good	0.515 \| good	1.819 \| good	0.26 \| good
2025-06-08T19:00:00.000Z	71 \| moderate	20.432 \| fine	90.09 \| fine	49.321 \| good	0.509 \| good	2.95 \| good	0.271 \| good
2025-06-08T20:00:00.000Z	71 \| moderate	19.905 \| fine	88.054 \| fine	48.15 \| good	0.52 \| good	3.035 \| good	0.272 \| good
2025-06-08T21:00:00.000Z	66 \| moderate	17.302 \| fine	76.401 \| fine	41.779 \| good	0.531 \| good	3.121 \| good	0.273 \| good
2025-06-08T22:00:00.000Z	67 \| moderate	18.105 \| fine	80.245 \| fine	38.567 \| good	0.608 \| good	5.111 \| good	0.296 \| good
2025-06-08T23:00:00.000Z	71 \| moderate	20.306 \| fine	89.476 \| fine	33.984 \| good	0.625 \| good	5.348 \| good	0.298 \| good
2025-06-09T00:00:00.000Z	69 \| moderate	18.856 \| fine	83.392 \| fine	31.877 \| good	0.643 \| good	5.586 \| good	0.3 \| good
2025-06-09T01:00:00.000Z	67 \| moderate	17.744 \| fine	78.361 \| fine	32.223 \| good	0.64 \| good	5.102 \| good	0.293 \| good
2025-06-09T02:00:00.000Z	64 \| moderate	15.782 \| fine	70.288 \| fine	31.835 \| good	0.663 \| good	5.531 \| good	0.295 \| good
2025-06-09T03:00:00.000Z	62 \| moderate	14.757 \| fine	66.205 \| fine	31.209 \| good	0.685 \| good	5.96 \| good	0.297 \| good
2025-06-09T04:00:00.000Z	58 \| moderate	13.36 \| fine	60.344 \| fine	32.216 \| good	0.623 \| good	3.537 \| good	0.274 \| good
2025-06-09T05:00:00.000Z	56 \| moderate	12.133 \| fine	54.143 \| good	30.209 \| good	0.641 \| good	3.699 \| good	0.276 \| good
2025-06-09T06:00:00.000Z	56 \| moderate	11.617 \| good	51.545 \| good	30.169 \| good	0.659 \| good	3.861 \| good	0.279 \| good
2025-06-09T07:00:00.000Z	54 \| moderate	11.123 \| good	49.023 \| good	28.695 \| good	0.575 \| good	2.446 \| good	0.266 \| good
2025-06-09T08:00:00.000Z	56 \| moderate	11.834 \| good	53.16 \| good	26.644 \| good	0.595 \| good	2.476 \| good	0.266 \| good
2025-06-09T09:00:00.000Z	54 \| moderate	11.09 \| good	48.783 \| good	20.182 \| good	0.616 \| good	2.506 \| good	0.266 \| good
2025-06-09T10:00:00.000Z	54 \| moderate	11.295 \| good	49.748 \| good	18.235 \| good	0.495 \| good	3.273 \| good	0.261 \| good
2025-06-09T11:00:00.000Z	56 \| moderate	12.406 \| fine	55.957 \| fine	17.201 \| good	0.52 \| good	3.473 \| good	0.26 \| good
2025-06-09T12:00:00.000Z	58 \| moderate	13.293 \| fine	59.911 \| fine	21.843 \| good	0.544 \| good	3.673 \| good	0.26 \| good
2025-06-09T13:00:00.000Z	60 \| moderate	13.957 \| fine	62.355 \| fine	25.332 \| good	0.422 \| good	3.84 \| good	0.23 \| good
2025-06-09T14:00:00.000Z	58 \| moderate	13.258 \| fine	60.216 \| fine	32.129 \| good	0.456 \| good	4.06 \| good	0.224 \| good
2025-06-09T15:00:00.000Z	56 \| moderate	12.363 \| fine	55.248 \| fine	40.168 \| good	0.49 \| good	4.28 \| good	0.219 \| good
2025-06-09T16:00:00.000Z	58 \| moderate	13.12 \| fine	59.059 \| fine	46.747 \| good	0.456 \| good	3.368 \| good	0.176 \| good

Grafton

Get reliable air quality data to drive your business

Grafton, Massachusetts air quality map: Stay updated on AQI near you

0.35ppm

How accurate is Massachusetts, USA air quality data?

Air quality and pollutant data for Massachusetts, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

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Frequently asked questions

How often is air quality information updated for Grafton, Massachusetts?

The air quality information for Grafton, Massachusetts is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Grafton, Massachusetts at its worst?

In the past 24 hours, the air quality in Grafton, Massachusetts was at its worst at 03:00:00 on 2025-06-07.

When did Grafton, Massachusetts experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Grafton, Massachusetts was observed at 07:00:00 on 2025-06-07.

What is the AQI in Grafton, Massachusetts right now?

As of now, the AQI in Grafton, Massachusetts is 52, indicating Moderate conditions.

What is the most common type of pollution in Grafton, Massachusetts?

Grafton, Massachusetts air has the highest levels of PM2.5.

What should I do in case of poor air quality in Grafton, Massachusetts?

Poor air quality in Grafton, Massachusetts means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in Grafton, Massachusetts at the moment?

PM_2.5 levels in Grafton, Massachusetts are currently 9.66 μg/m³.

What is the PM₁₀ level in Grafton, Massachusetts at the moment?

The PM₁₀ concentration in Grafton, Massachusetts is 18.627 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Grafton, Massachusetts at the moment?

The current carbon monoxide (CO) concentration in Grafton, Massachusetts is 0.312 ppm.

What is the sulfur dioxide (SO₂) level in Grafton, Massachusetts at the moment?

Currently, Grafton, Massachusetts has a sulfur dioxide (SO₂) concentration of 0.83 ppb.

What is the ozone (O₃) level in Grafton, Massachusetts at the moment?

The current ozone (O₃) level in Grafton, Massachusetts at the moment is 18.914 ppm.

What is the nitrogen dioxide (NO₂) level in Grafton, Massachusetts at the moment?

Nitrogen dioxide (NO₂) level in Grafton, Massachusetts at the moment is 4.721 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-05T17:00:00.000Z	66 \| moderate	17.268 \| fine	48.965 \| good	53.264 \| good	0.899 \| good	8.481 \| good	0.301 \| good
2025-06-05T18:00:00.000Z	69 \| moderate	18.791 \| fine	30.1 \| good	56.99 \| fine	0.819 \| good	6.369 \| good	0.314 \| good
2025-06-05T19:00:00.000Z	71 \| moderate	17.952 \| fine	41.395 \| good	61.105 \| fine	0.737 \| good	5.781 \| good	0.29 \| good
2025-06-05T20:00:00.000Z	87 \| moderate	17.848 \| fine	27.246 \| good	66.316 \| fine	0.315 \| good	8.343 \| good	0.301 \| good
2025-06-05T21:00:00.000Z	74 \| moderate	18.072 \| fine	49.498 \| good	62.165 \| fine	0.629 \| good	8.001 \| good	0.301 \| good
2025-06-05T22:00:00.000Z	67 \| moderate	18.145 \| fine	33.247 \| good	58.54 \| fine	0.583 \| good	6.017 \| good	0.338 \| good
2025-06-05T23:00:00.000Z	67 \| moderate	17.531 \| fine	31.185 \| good	56.382 \| fine	0.604 \| good	5.558 \| good	0.351 \| good
2025-06-06T00:00:00.000Z	69 \| moderate	18.9 \| fine	29.613 \| good	60.329 \| fine	0.578 \| good	6.087 \| good	0.351 \| good
2025-06-06T01:00:00.000Z	74 \| moderate	18.595 \| fine	63.039 \| fine	61.982 \| fine	0.54 \| good	6.932 \| good	0.351 \| good
2025-06-06T02:00:00.000Z	90 \| moderate	18.511 \| fine	57.689 \| fine	67.272 \| fine	0.564 \| good	6.564 \| good	0.351 \| good
2025-06-06T03:00:00.000Z	69 \| moderate	18.77 \| fine	62.083 \| fine	58.308 \| fine	0.601 \| good	15.436 \| good	0.407 \| good
2025-06-06T04:00:00.000Z	67 \| moderate	18.288 \| fine	68.389 \| fine	50.511 \| good	0.57 \| good	7.668 \| good	0.346 \| good
2025-06-06T05:00:00.000Z	69 \| moderate	18.92 \| fine	79.258 \| fine	51.055 \| good	0.743 \| good	16.254 \| good	0.288 \| good
2025-06-06T06:00:00.000Z	66 \| moderate	17.274 \| fine	45.925 \| good	52.017 \| good	0.746 \| good	16.607 \| good	0.229 \| good
2025-06-06T07:00:00.000Z	66 \| moderate	17.213 \| fine	53.199 \| good	43.186 \| good	0.586 \| good	7.534 \| good	0.27 \| good
2025-06-06T08:00:00.000Z	67 \| moderate	18.292 \| fine	31.82 \| good	55.041 \| fine	0.549 \| good	7.213 \| good	0.224 \| good
2025-06-06T09:00:00.000Z	69 \| moderate	19.342 \| fine	36.251 \| good	44.869 \| good	0.615 \| good	6.748 \| good	0.303 \| good
2025-06-06T10:00:00.000Z	69 \| moderate	18.899 \| fine	37.851 \| good	32.418 \| good	0.609 \| good	4.402 \| good	0.294 \| good
2025-06-06T11:00:00.000Z	69 \| moderate	18.695 \| fine	34.059 \| good	31.099 \| good	0.595 \| good	5.381 \| good	0.323 \| good
2025-06-06T12:00:00.000Z	69 \| moderate	18.504 \| fine	51.732 \| good	31.127 \| good	0.608 \| good	6.157 \| good	0.338 \| good
2025-06-06T13:00:00.000Z	66 \| moderate	17.489 \| fine	35.546 \| good	39.523 \| good	0.611 \| good	7.027 \| good	0.27 \| good
2025-06-06T14:00:00.000Z	64 \| moderate	16.037 \| fine	27.047 \| good	36.709 \| good	0.623 \| good	10.041 \| good	0.27 \| good
2025-06-06T15:00:00.000Z	62 \| moderate	15.122 \| fine	39.239 \| good	37.724 \| good	0.52 \| good	6.735 \| good	0.27 \| good
2025-06-06T16:00:00.000Z	62 \| moderate	14.912 \| fine	36.701 \| good	45.204 \| good	0.383 \| good	6.448 \| good	0.27 \| good
2025-06-06T17:00:00.000Z	58 \| moderate	13.265 \| fine	42.554 \| good	54.497 \| good	0.321 \| good	6.05 \| good	0.259 \| good
2025-06-06T18:00:00.000Z	58 \| moderate	13.116 \| fine	32.768 \| good	53.772 \| good	0.499 \| good	7.184 \| good	0.27 \| good
2025-06-06T19:00:00.000Z	64 \| moderate	15.885 \| fine	64.003 \| fine	57.892 \| fine	0.413 \| good	8.559 \| good	0.39 \| good
2025-06-06T20:00:00.000Z	62 \| moderate	15.446 \| fine	44.793 \| good	55.921 \| fine	0.605 \| good	6.849 \| good	0.324 \| good
2025-06-06T21:00:00.000Z	67 \| moderate	17.506 \| fine	41.852 \| good	58.741 \| fine	0.756 \| good	8.97 \| good	0.348 \| good
2025-06-06T22:00:00.000Z	66 \| moderate	16.744 \| fine	61.952 \| fine	53.968 \| good	0.417 \| good	8.588 \| good	0.348 \| good
2025-06-06T23:00:00.000Z	66 \| moderate	17.349 \| fine	61.186 \| fine	53.532 \| good	0.789 \| good	9.1 \| good	0.351 \| good
2025-06-07T00:00:00.000Z	64 \| moderate	15.572 \| fine	53.598 \| good	41.648 \| good	0.647 \| good	7.788 \| good	0.362 \| good
2025-06-07T01:00:00.000Z	62 \| moderate	14.865 \| fine	37.614 \| good	31.973 \| good	0.303 \| good	5.316 \| good	0.307 \| good
2025-06-07T02:00:00.000Z	71 \| moderate	13.931 \| fine	95.066 \| fine	28.491 \| good	0.527 \| good	5.182 \| good	0.304 \| good
2025-06-07T03:00:00.000Z	92 \| moderate	13.135 \| fine	137.38 \| fine	35.163 \| good	0.601 \| good	7.182 \| good	0.267 \| good
2025-06-07T04:00:00.000Z	66 \| moderate	17.184 \| fine	66.437 \| fine	36.653 \| good	0.819 \| good	4.538 \| good	0.223 \| good
2025-06-07T05:00:00.000Z	54 \| moderate	11.245 \| good	34.012 \| good	35.819 \| good	1.012 \| good	5.177 \| good	0.154 \| good
2025-06-07T06:00:00.000Z	49 \| good	8.767 \| good	41.008 \| good	35.911 \| good	0.993 \| good	6.529 \| good	0.154 \| good
2025-06-07T07:00:00.000Z	38 \| good	6.849 \| good	27.139 \| good	30.504 \| good	0.697 \| good	4.574 \| good	0.203 \| good
2025-06-07T08:00:00.000Z	66 \| moderate	16.783 \| fine	53.6 \| good	29.616 \| good	0.751 \| good	4.858 \| good	0.203 \| good
2025-06-07T09:00:00.000Z	58 \| moderate	12.867 \| fine	33.882 \| good	22.072 \| good	0.558 \| good	4.665 \| good	0.267 \| good
2025-06-07T10:00:00.000Z	58 \| moderate	12.75 \| fine	32.096 \| good	13.904 \| good	0.787 \| good	6.639 \| good	0.246 \| good
2025-06-07T11:00:00.000Z	56 \| moderate	11.587 \| good	23.104 \| good	15.093 \| good	0.513 \| good	4.247 \| good	0.19 \| good
2025-06-07T12:00:00.000Z	56 \| moderate	11.764 \| good	35.202 \| good	19.738 \| good	0.561 \| good	3.946 \| good	0.19 \| good
2025-06-07T13:00:00.000Z	54 \| moderate	11.271 \| good	30.899 \| good	18.216 \| good	0.797 \| good	5.039 \| good	0.267 \| good
2025-06-07T14:00:00.000Z	54 \| moderate	10.694 \| good	23.693 \| good	23.42 \| good	0.847 \| good	5.375 \| good	0.267 \| good
2025-06-07T15:00:00.000Z	52 \| moderate	9.66 \| good	18.627 \| good	18.914 \| good	0.83 \| good	4.721 \| good	0.312 \| good
2025-06-07T16:00:00.000Z	52 \| moderate	9.586 \| good	24.447 \| good	20.641 \| good	0.579 \| good	7.643 \| good	0.256 \| good
2025-06-07T16:00:00.000Z	52 \| moderate	9.66 \| good	18.627 \| good	18.914 \| good	0.83 \| good	4.721 \| good	0.312 \| good
2025-06-07T17:00:00.000Z	54 \| moderate	10.788 \| good	47.834 \| good	28.025 \| good	0.403 \| good	2.611 \| good	0.196 \| good
2025-06-07T18:00:00.000Z	49 \| good	8.978 \| good	39.733 \| good	34.049 \| good	0.385 \| good	2.709 \| good	0.196 \| good
2025-06-07T19:00:00.000Z	44 \| good	7.832 \| good	34.403 \| good	33.454 \| good	0.442 \| good	3.627 \| good	0.217 \| good
2025-06-07T20:00:00.000Z	33 \| good	6.303 \| good	28.031 \| good	35.744 \| good	0.458 \| good	3.999 \| good	0.219 \| good
2025-06-07T21:00:00.000Z	35 \| good	4.589 \| good	19.948 \| good	37.556 \| good	0.474 \| good	4.371 \| good	0.221 \| good
2025-06-07T22:00:00.000Z	35 \| good	5.048 \| good	22.014 \| good	38.369 \| good	0.435 \| good	6.03 \| good	0.264 \| good
2025-06-07T23:00:00.000Z	38 \| good	7.223 \| good	31.91 \| good	39.775 \| good	0.5 \| good	6.903 \| good	0.267 \| good
2025-06-08T00:00:00.000Z	38 \| good	7.054 \| good	31.489 \| good	39.554 \| good	0.564 \| good	7.775 \| good	0.271 \| good
2025-06-08T01:00:00.000Z	38 \| good	7.327 \| good	32.422 \| good	38.086 \| good	0.45 \| good	4.858 \| good	0.292 \| good
2025-06-08T02:00:00.000Z	52 \| moderate	9.525 \| good	42.01 \| good	33.279 \| good	0.53 \| good	5.641 \| good	0.29 \| good
2025-06-08T03:00:00.000Z	49 \| good	8.894 \| good	39.501 \| good	29.102 \| good	0.61 \| good	6.423 \| good	0.288 \| good
2025-06-08T04:00:00.000Z	44 \| good	8.094 \| good	35.538 \| good	26.774 \| good	0.451 \| good	3.408 \| good	0.321 \| good
2025-06-08T05:00:00.000Z	44 \| good	8.031 \| good	35.238 \| good	27.52 \| good	0.521 \| good	3.91 \| good	0.319 \| good
2025-06-08T06:00:00.000Z	44 \| good	8.278 \| good	36.497 \| good	24.711 \| good	0.591 \| good	4.412 \| good	0.317 \| good
2025-06-08T07:00:00.000Z	49 \| good	9.49 \| good	42.179 \| good	22.082 \| good	0.47 \| good	2.475 \| good	0.311 \| good
2025-06-08T08:00:00.000Z	52 \| moderate	10.234 \| good	45.463 \| good	20.081 \| good	0.529 \| good	2.871 \| good	0.314 \| good
2025-06-08T09:00:00.000Z	52 \| moderate	9.979 \| good	44.531 \| good	12.837 \| good	0.589 \| good	3.267 \| good	0.317 \| good
2025-06-08T10:00:00.000Z	52 \| moderate	9.516 \| good	42.612 \| good	15.196 \| good	0.502 \| good	2.277 \| good	0.297 \| good
2025-06-08T11:00:00.000Z	52 \| moderate	10.461 \| good	46.569 \| good	17.767 \| good	0.592 \| good	2.611 \| good	0.305 \| good
2025-06-08T12:00:00.000Z	54 \| moderate	10.589 \| good	46.715 \| good	25.333 \| good	0.682 \| good	2.946 \| good	0.313 \| good
2025-06-08T13:00:00.000Z	44 \| good	8.232 \| good	36.084 \| good	32.825 \| good	0.553 \| good	1.977 \| good	0.295 \| good
2025-06-08T14:00:00.000Z	54 \| moderate	11.232 \| good	49.771 \| good	37.703 \| good	0.583 \| good	2.119 \| good	0.294 \| good
2025-06-08T15:00:00.000Z	58 \| moderate	13.308 \| fine	59.431 \| fine	38.61 \| good	0.613 \| good	2.261 \| good	0.293 \| good
2025-06-08T16:00:00.000Z	64 \| moderate	15.584 \| fine	69.82 \| fine	39.572 \| good	0.472 \| good	1.65 \| good	0.266 \| good
2025-06-08T17:00:00.000Z	66 \| moderate	17.337 \| fine	76.786 \| fine	42.205 \| good	0.494 \| good	1.734 \| good	0.263 \| good
2025-06-08T18:00:00.000Z	69 \| moderate	19.374 \| fine	85.152 \| fine	46.509 \| good	0.515 \| good	1.819 \| good	0.26 \| good
2025-06-08T19:00:00.000Z	71 \| moderate	20.432 \| fine	90.09 \| fine	49.321 \| good	0.509 \| good	2.95 \| good	0.271 \| good
2025-06-08T20:00:00.000Z	71 \| moderate	19.905 \| fine	88.054 \| fine	48.15 \| good	0.52 \| good	3.035 \| good	0.272 \| good
2025-06-08T21:00:00.000Z	66 \| moderate	17.302 \| fine	76.401 \| fine	41.779 \| good	0.531 \| good	3.121 \| good	0.273 \| good
2025-06-08T22:00:00.000Z	67 \| moderate	18.105 \| fine	80.245 \| fine	38.567 \| good	0.608 \| good	5.111 \| good	0.296 \| good
2025-06-08T23:00:00.000Z	71 \| moderate	20.306 \| fine	89.476 \| fine	33.984 \| good	0.625 \| good	5.348 \| good	0.298 \| good
2025-06-09T00:00:00.000Z	69 \| moderate	18.856 \| fine	83.392 \| fine	31.877 \| good	0.643 \| good	5.586 \| good	0.3 \| good
2025-06-09T01:00:00.000Z	67 \| moderate	17.744 \| fine	78.361 \| fine	32.223 \| good	0.64 \| good	5.102 \| good	0.293 \| good
2025-06-09T02:00:00.000Z	64 \| moderate	15.782 \| fine	70.288 \| fine	31.835 \| good	0.663 \| good	5.531 \| good	0.295 \| good
2025-06-09T03:00:00.000Z	62 \| moderate	14.757 \| fine	66.205 \| fine	31.209 \| good	0.685 \| good	5.96 \| good	0.297 \| good
2025-06-09T04:00:00.000Z	58 \| moderate	13.36 \| fine	60.344 \| fine	32.216 \| good	0.623 \| good	3.537 \| good	0.274 \| good
2025-06-09T05:00:00.000Z	56 \| moderate	12.133 \| fine	54.143 \| good	30.209 \| good	0.641 \| good	3.699 \| good	0.276 \| good
2025-06-09T06:00:00.000Z	56 \| moderate	11.617 \| good	51.545 \| good	30.169 \| good	0.659 \| good	3.861 \| good	0.279 \| good
2025-06-09T07:00:00.000Z	54 \| moderate	11.123 \| good	49.023 \| good	28.695 \| good	0.575 \| good	2.446 \| good	0.266 \| good
2025-06-09T08:00:00.000Z	56 \| moderate	11.834 \| good	53.16 \| good	26.644 \| good	0.595 \| good	2.476 \| good	0.266 \| good
2025-06-09T09:00:00.000Z	54 \| moderate	11.09 \| good	48.783 \| good	20.182 \| good	0.616 \| good	2.506 \| good	0.266 \| good
2025-06-09T10:00:00.000Z	54 \| moderate	11.295 \| good	49.748 \| good	18.235 \| good	0.495 \| good	3.273 \| good	0.261 \| good
2025-06-09T11:00:00.000Z	56 \| moderate	12.406 \| fine	55.957 \| fine	17.201 \| good	0.52 \| good	3.473 \| good	0.26 \| good
2025-06-09T12:00:00.000Z	58 \| moderate	13.293 \| fine	59.911 \| fine	21.843 \| good	0.544 \| good	3.673 \| good	0.26 \| good
2025-06-09T13:00:00.000Z	60 \| moderate	13.957 \| fine	62.355 \| fine	25.332 \| good	0.422 \| good	3.84 \| good	0.23 \| good
2025-06-09T14:00:00.000Z	58 \| moderate	13.258 \| fine	60.216 \| fine	32.129 \| good	0.456 \| good	4.06 \| good	0.224 \| good
2025-06-09T15:00:00.000Z	56 \| moderate	12.363 \| fine	55.248 \| fine	40.168 \| good	0.49 \| good	4.28 \| good	0.219 \| good
2025-06-09T16:00:00.000Z	58 \| moderate	13.12 \| fine	59.059 \| fine	46.747 \| good	0.456 \| good	3.368 \| good	0.176 \| good

Real-time air quality index in Grafton, Massachusetts today

Major air pollutants in Grafton, Massachusetts

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Grafton, Massachusetts air quality map: Stay updated on AQI near you

Air quality in nearby cities

Millbury, Massachusetts

Northbridge, Massachusetts

Westborough, Massachusetts

Shrewsbury, Massachusetts

Worcester, Massachusetts

Auburn, Massachusetts

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Frequently asked questions

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What is the PM2.5 level in Grafton, Massachusetts at the moment?

What is the PM10 level in Grafton, Massachusetts at the moment?

What is the carbon monoxide (CO) level in Grafton, Massachusetts at the moment?

What is the sulfur dioxide (SO2) level in Grafton, Massachusetts at the moment?

What is the ozone (O3) level in Grafton, Massachusetts at the moment?

What is the nitrogen dioxide (NO2) level in Grafton, Massachusetts at the moment?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 level in Grafton, Massachusetts at the moment?

What is the PM₁₀ level in Grafton, Massachusetts at the moment?

What is the sulfur dioxide (SO₂) level in Grafton, Massachusetts at the moment?

What is the ozone (O₃) level in Grafton, Massachusetts at the moment?

What is the nitrogen dioxide (NO₂) level in Grafton, Massachusetts at the moment?