What is the current level of PM10 in Westport, Massachusetts?

Westport, Massachusetts currently has a PM10 concentration of 19.777 μg/m3.

What is the current level of sulfur dioxide (SO2) in Westport, Massachusetts?

The current sulfur dioxide (SO2) concentration in Westport, Massachusetts is 0.487 ppb.

What is the current level of ozone (O3) in Westport, Massachusetts?

Westport, Massachusetts currently has an ozone (O3) concentration of 35.859 ppm.

What is the current level of nitrogen dioxide (NO2) in Westport, Massachusetts?

The current level of nitrogen dioxide (NO2) in Westport, Massachusetts is 19.468 ppb.

Current air quality index in Westport, Massachusetts today

Q: What is the PM2.5 concentration in Westport, Massachusetts right now?

Westport, Massachusetts currently has a PM2.5 concentration of 4.457 μg/m3.

Stay updated with real-time air quality in Westport, 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)

Good

Westport, Massachusetts

Last updated: ... (Local time)

Common air pollutants in Westport, Massachusetts

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.46 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

19.78 μg/m³

155

255

425

605+

Ozone (O₃)

35.86 ppb

201

201+

Sulfur Dioxide (SO₂)

0.49 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

19.47 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.43 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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Westport, Massachusetts

Scroll To Air Quality Map

Track live Westport, Massachusetts air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-27T00:00:00.000Z	26 \| good	3.25 \| good	13.164 \| good	28.341 \| good	0.389 \| good	12.271 \| good	0.281 \| good
2025-12-27T01:00:00.000Z	26 \| good	3.975 \| good	17.341 \| good	28.215 \| good	0.389 \| good	7.404 \| good	0.26 \| good
2025-12-27T02:00:00.000Z	33 \| good	5.648 \| good	24.57 \| good	27.231 \| good	0.381 \| good	8.616 \| good	0.25 \| good
2025-12-27T03:00:00.000Z	27 \| good	4.729 \| good	20.383 \| good	28.105 \| good	0.29 \| good	9.181 \| good	0.25 \| good
2025-12-27T04:00:00.000Z	26 \| good	4.268 \| good	18.766 \| good	28.087 \| good	0.29 \| good	8.6 \| good	0.25 \| good
2025-12-27T05:00:00.000Z	23 \| good	4.417 \| good	19.322 \| good	24.651 \| good	0.381 \| good	9.659 \| good	0.19 \| good
2025-12-27T06:00:00.000Z	22 \| good	4.458 \| good	19.411 \| good	23.683 \| good	0.29 \| good	9.857 \| good	0.213 \| good
2025-12-27T07:00:00.000Z	22 \| good	4.436 \| good	19.601 \| good	23.445 \| good	0.29 \| good	10.856 \| good	0.213 \| good
2025-12-27T08:00:00.000Z	27 \| good	4.504 \| good	19.386 \| good	23.251 \| good	0.29 \| good	11.1 \| good	0.213 \| good
2025-12-27T09:00:00.000Z	27 \| good	4.737 \| good	20.477 \| good	20.403 \| good	0.297 \| good	14.122 \| good	0.2 \| good
2025-12-27T10:00:00.000Z	27 \| good	4.963 \| good	21.423 \| good	18.751 \| good	0.388 \| good	9.223 \| good	0.209 \| good
2025-12-27T11:00:00.000Z	27 \| good	4.894 \| good	21.759 \| good	17.93 \| good	0.394 \| good	7.549 \| good	0.2 \| good
2025-12-27T12:00:00.000Z	27 \| good	4.851 \| good	21.728 \| good	19.816 \| good	0.387 \| good	8.92 \| good	0.2 \| good
2025-12-27T13:00:00.000Z	27 \| good	4.618 \| good	20.3 \| good	20.652 \| good	0.387 \| good	7.641 \| good	0.2 \| good
2025-12-27T14:00:00.000Z	22 \| good	4.345 \| good	19.504 \| good	21.802 \| good	0.381 \| good	6.53 \| good	0.262 \| good
2025-12-27T15:00:00.000Z	22 \| good	4.16 \| good	18.534 \| good	23.763 \| good	0.381 \| good	7.232 \| good	0.262 \| good
2025-12-27T16:00:00.000Z	23 \| good	3.985 \| good	17.216 \| good	24.738 \| good	0.381 \| good	9.849 \| good	0.274 \| good
2025-12-27T17:00:00.000Z	24 \| good	4.147 \| good	18.516 \| good	25.667 \| good	0.381 \| good	9.343 \| good	0.283 \| good
2025-12-27T18:00:00.000Z	25 \| good	4.452 \| good	19.636 \| good	26.59 \| good	0.382 \| good	9.05 \| good	0.274 \| good
2025-12-27T19:00:00.000Z	27 \| good	4.539 \| good	19.408 \| good	29.304 \| good	0.382 \| good	8.237 \| good	0.274 \| good
2025-12-27T20:00:00.000Z	27 \| good	4.363 \| good	19.488 \| good	28.56 \| good	0.292 \| good	6.098 \| good	0.304 \| good
2025-12-27T21:00:00.000Z	28 \| good	4.258 \| good	18.452 \| good	30.437 \| good	0.291 \| good	7.787 \| good	0.357 \| good
2025-12-27T22:00:00.000Z	29 \| good	4.157 \| good	18.425 \| good	31.017 \| good	0.291 \| good	11.653 \| good	0.379 \| good
2025-12-27T23:00:00.000Z	28 \| good	4.581 \| good	20.519 \| good	29.61 \| good	0.298 \| good	15.727 \| good	0.448 \| good
2025-12-28T00:00:00.000Z	27 \| good	4.907 \| good	21.622 \| good	29.072 \| good	0.293 \| good	23.222 \| good	0.544 \| good
2025-12-28T01:00:00.000Z	33 \| good	5.811 \| good	25.542 \| good	27.037 \| good	0.297 \| good	32.564 \| good	0.657 \| good
2025-12-28T02:00:00.000Z	33 \| good	5.931 \| good	25.977 \| good	24.257 \| good	0.384 \| good	25.886 \| good	0.537 \| good
2025-12-28T03:00:00.000Z	54 \| moderate	11.5 \| good	51.347 \| good	14.474 \| good	0.825 \| good	16.443 \| good	0.253 \| good
2025-12-28T04:00:00.000Z	52 \| moderate	10.269 \| good	45.026 \| good	14.085 \| good	0.396 \| good	28.334 \| good	0.495 \| good
2025-12-28T05:00:00.000Z	54 \| moderate	10.535 \| good	45.929 \| good	14.049 \| good	0.393 \| good	22.094 \| good	0.46 \| good
2025-12-28T06:00:00.000Z	52 \| moderate	10.17 \| good	44.295 \| good	14.764 \| good	0.302 \| good	20.027 \| good	0.485 \| good
2025-12-28T07:00:00.000Z	52 \| moderate	10 \| good	44.537 \| good	14.823 \| good	0.296 \| good	20.178 \| good	0.416 \| good
2025-12-28T08:00:00.000Z	49 \| good	8.797 \| good	38.419 \| good	15.739 \| good	0.291 \| good	25.327 \| good	0.377 \| good
2025-12-28T09:00:00.000Z	38 \| good	7.447 \| good	32.615 \| good	15.567 \| good	0.393 \| good	24.301 \| good	0.413 \| good
2025-12-28T10:00:00.000Z	44 \| good	7.546 \| good	32.903 \| good	15.681 \| good	0.401 \| good	33.228 \| good	0.509 \| good
2025-12-28T11:00:00.000Z	44 \| good	7.713 \| good	34.091 \| good	15.539 \| good	0.579 \| good	27.626 \| good	0.57 \| good
2025-12-28T12:00:00.000Z	38 \| good	7.271 \| good	32.198 \| good	14.655 \| good	0.679 \| good	28.457 \| good	0.595 \| good
2025-12-28T13:00:00.000Z	38 \| good	7.279 \| good	32.07 \| good	12.946 \| good	0.678 \| good	28.353 \| good	0.519 \| good
2025-12-28T14:00:00.000Z	38 \| good	7.029 \| good	31.013 \| good	13.146 \| good	0.502 \| good	29.694 \| good	0.588 \| good
2025-12-28T15:00:00.000Z	33 \| good	6.043 \| good	26.127 \| good	19.231 \| good	1.027 \| good	16.743 \| good	0.452 \| good
2025-12-28T16:00:00.000Z	33 \| good	5.939 \| good	26.491 \| good	21.63 \| good	0.755 \| good	15.087 \| good	0.408 \| good
2025-12-28T17:00:00.000Z	33 \| good	6.379 \| good	27.647 \| good	25.561 \| good	0.663 \| good	10.772 \| good	0.334 \| good
2025-12-28T18:00:00.000Z	33 \| good	6.12 \| good	27.102 \| good	25.685 \| good	0.589 \| good	9.799 \| good	0.303 \| good
2025-12-28T19:00:00.000Z	27 \| good	4.764 \| good	21.436 \| good	27.503 \| good	0.401 \| good	9.005 \| good	0.303 \| good
2025-12-28T20:00:00.000Z	31 \| good	4.32 \| good	19.618 \| good	33.23 \| good	0.389 \| good	10.885 \| good	0.316 \| good
2025-12-28T21:00:00.000Z	32 \| good	4.646 \| good	20.819 \| good	34.967 \| good	0.388 \| good	12.387 \| good	0.389 \| good
2025-12-28T22:00:00.000Z	33 \| good	4.594 \| good	20.438 \| good	35.862 \| good	0.48 \| good	19.437 \| good	0.43 \| good
2025-12-28T23:00:00.000Z	33 \| good	4.457 \| good	19.777 \| good	35.859 \| good	0.487 \| good	19.468 \| good	0.429 \| good
2025-12-29T00:00:00.000Z	64 \| moderate	15.813 \| fine	70.376 \| fine	13.016 \| good	1.024 \| good	14.154 \| good	0.219 \| good
2025-12-29T01:00:00.000Z	66 \| moderate	16.527 \| fine	73.1 \| fine	11.441 \| good	1.106 \| good	14.709 \| good	0.214 \| good
2025-12-29T02:00:00.000Z	60 \| moderate	14.457 \| fine	64.792 \| fine	14.436 \| good	1.188 \| good	15.264 \| good	0.208 \| good
2025-12-29T03:00:00.000Z	54 \| moderate	10.595 \| good	46.905 \| good	22.769 \| good	1.271 \| good	15.819 \| good	0.203 \| good
2025-12-29T04:00:00.000Z	38 \| good	7.274 \| good	31.896 \| good	27.818 \| good	0.947 \| good	11.859 \| good	0.185 \| good
2025-12-29T05:00:00.000Z	33 \| good	5.8 \| good	25.037 \| good	30.857 \| good	0.624 \| good	7.899 \| good	0.167 \| good
2025-12-29T06:00:00.000Z	38 \| good	6.6 \| good	29.467 \| good	32.932 \| good	0.301 \| good	3.939 \| good	0.149 \| good
2025-12-29T07:00:00.000Z	34 \| good	5.121 \| good	21.995 \| good	37.198 \| good	0.271 \| good	2.809 \| good	0.142 \| good
2025-12-29T08:00:00.000Z	35 \| good	4.187 \| good	18.267 \| good	38.02 \| good	0.241 \| good	1.679 \| good	0.136 \| good
2025-12-29T09:00:00.000Z	33 \| good	4.639 \| good	20.206 \| good	36.346 \| good	0.211 \| good	0.548 \| good	0.129 \| good
2025-12-29T10:00:00.000Z	34 \| good	3.83 \| good	16.389 \| good	36.656 \| good	0.239 \| good	1.007 \| good	0.132 \| good
2025-12-29T11:00:00.000Z	33 \| good	2.752 \| good	11.297 \| good	36.499 \| good	0.267 \| good	1.466 \| good	0.134 \| good
2025-12-29T12:00:00.000Z	36 \| good	3.506 \| good	15.519 \| good	38.799 \| good	0.295 \| good	1.925 \| good	0.137 \| good
2025-12-29T13:00:00.000Z	38 \| good	3.59 \| good	15.73 \| good	40.664 \| good	0.332 \| good	2.084 \| good	0.14 \| good
2025-12-29T14:00:00.000Z	36 \| good	3.925 \| good	17.439 \| good	39.07 \| good	0.368 \| good	2.243 \| good	0.144 \| good
2025-12-29T15:00:00.000Z	33 \| good	4.944 \| good	21.473 \| good	35.925 \| good	0.405 \| good	2.403 \| good	0.147 \| good
2025-12-29T16:00:00.000Z	33 \| good	5.708 \| good	24.978 \| good	34.334 \| good	0.35 \| good	2.109 \| good	0.145 \| good
2025-12-29T17:00:00.000Z	33 \| good	5.941 \| good	25.962 \| good	32.659 \| good	0.295 \| good	1.816 \| good	0.143 \| good
2025-12-29T18:00:00.000Z	31 \| good	5.47 \| good	23.654 \| good	32.699 \| good	0.24 \| good	1.523 \| good	0.14 \| good
2025-12-29T19:00:00.000Z	33 \| good	5.7 \| good	24.599 \| good	30.769 \| good	0.324 \| good	2.377 \| good	0.145 \| good
2025-12-29T20:00:00.000Z	33 \| good	5.888 \| good	25.928 \| good	31.126 \| good	0.409 \| good	3.231 \| good	0.15 \| good
2025-12-29T21:00:00.000Z	38 \| good	6.955 \| good	30.723 \| good	27.376 \| good	0.494 \| good	4.085 \| good	0.154 \| good
2025-12-29T22:00:00.000Z	33 \| good	6.439 \| good	28.544 \| good	29.464 \| good	0.822 \| good	5.033 \| good	0.159 \| good
2025-12-29T23:00:00.000Z	31 \| good	4.182 \| good	18.416 \| good	34.363 \| good	1.15 \| good	5.982 \| good	0.164 \| good
2025-12-30T00:00:00.000Z	31 \| good	5.365 \| good	23.357 \| good	32.663 \| good	1.478 \| good	6.93 \| good	0.169 \| good
2025-12-30T01:00:00.000Z	27 \| good	5.087 \| good	22.06 \| good	27.6 \| good	1.216 \| good	5.385 \| good	0.169 \| good
2025-12-30T02:00:00.000Z	22 \| good	3.778 \| good	16.36 \| good	23.903 \| good	0.955 \| good	3.841 \| good	0.168 \| good
2025-12-30T03:00:00.000Z	20 \| good	2.556 \| good	10.311 \| good	22.463 \| good	0.693 \| good	2.296 \| good	0.168 \| good
2025-12-30T04:00:00.000Z	21 \| good	2.164 \| good	9.016 \| good	23.151 \| good	0.598 \| good	2.062 \| good	0.162 \| good
2025-12-30T05:00:00.000Z	21 \| good	2.297 \| good	9.122 \| good	23.491 \| good	0.502 \| good	1.827 \| good	0.156 \| good
2025-12-30T06:00:00.000Z	23 \| good	2.457 \| good	10.151 \| good	25.035 \| good	0.406 \| good	1.592 \| good	0.15 \| good
2025-12-30T07:00:00.000Z	29 \| good	1.377 \| good	5.211 \| good	30.588 \| good	0.361 \| good	1.392 \| good	0.146 \| good
2025-12-30T08:00:00.000Z	31 \| good	1.117 \| good	4.571 \| good	32.924 \| good	0.315 \| good	1.191 \| good	0.142 \| good
2025-12-30T09:00:00.000Z	31 \| good	0.45 \| good	1.794 \| good	33.18 \| good	0.27 \| good	0.991 \| good	0.138 \| good
2025-12-30T10:00:00.000Z	31 \| good	0.35 \| good	1.088 \| good	32.964 \| good	0.292 \| good	1.234 \| good	0.14 \| good
2025-12-30T11:00:00.000Z	31 \| good	0.316 \| good	1.049 \| good	33.154 \| good	0.314 \| good	1.476 \| good	0.142 \| good
2025-12-30T12:00:00.000Z	31 \| good	0.204 \| good	0.273 \| good	33.102 \| good	0.336 \| good	1.719 \| good	0.145 \| good
2025-12-30T13:00:00.000Z	32 \| good	0.255 \| good	0.903 \| good	34.856 \| good	0.349 \| good	1.668 \| good	0.144 \| good
2025-12-30T14:00:00.000Z	32 \| good	0.151 \| good	0.212 \| good	35.355 \| good	0.361 \| good	1.618 \| good	0.144 \| good
2025-12-30T15:00:00.000Z	32 \| good	0.121 \| good	0.03 \| good	34.907 \| good	0.374 \| good	1.568 \| good	0.144 \| good
2025-12-30T16:00:00.000Z	31 \| good	0.338 \| good	1.181 \| good	34.477 \| good	0.371 \| good	1.51 \| good	0.143 \| good
2025-12-30T17:00:00.000Z	32 \| good	1.156 \| good	4.939 \| good	34.527 \| good	0.369 \| good	1.452 \| good	0.142 \| good
2025-12-30T18:00:00.000Z	32 \| good	1.677 \| good	7 \| good	35.367 \| good	0.366 \| good	1.394 \| good	0.141 \| good
2025-12-30T19:00:00.000Z	35 \| good	1.378 \| good	5.25 \| good	37.578 \| good	0.363 \| good	1.61 \| good	0.141 \| good
2025-12-30T20:00:00.000Z	35 \| good	0.984 \| good	4 \| good	37.983 \| good	0.361 \| good	1.826 \| good	0.141 \| good
2025-12-30T21:00:00.000Z	35 \| good	1.297 \| good	5.212 \| good	37.812 \| good	0.358 \| good	2.041 \| good	0.14 \| good
2025-12-30T22:00:00.000Z	35 \| good	1.391 \| good	5.299 \| good	38.161 \| good	0.419 \| good	2.256 \| good	0.14 \| good
2025-12-30T23:00:00.000Z	36 \| good	0.731 \| good	2.42 \| good	38.746 \| good	0.481 \| good	2.47 \| good	0.139 \| good

Westport

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Westport, Massachusetts

0.44ppm

How accurate is Massachusetts, USA air quality data?

The air quality data for Massachusetts, 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 Westport, Massachusetts get updated?

Air quality updates for Westport, Massachusetts are available every hour.

What time in the past 24 hours saw the poorest air quality in Westport, Massachusetts?

Westport, Massachusetts experienced its worst air quality at 05:00:00, 2025-12-28.

When was air quality in Westport, Massachusetts the best over the past 24 hours?

The best air quality in Westport, Massachusetts was observed at 07:00:00 on 2025-12-28.

What is the air quality in Westport, Massachusetts right now?

The air quality in Westport, Massachusetts right now is Good, with an AQI of 33.

What pollutant is most frequently found in Westport, Massachusetts?

In Westport, Massachusetts, O3 is the most frequently found pollutant.

What can I do if the air quality in Westport, Massachusetts is poor?

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

What is the PM_2.5 concentration in Westport, Massachusetts right now?

Westport, Massachusetts currently has a PM_2.5 concentration of 4.457 μg/m³.

What is the current level of PM₁₀ in Westport, Massachusetts?

Westport, Massachusetts currently has a PM₁₀ concentration of 19.777 μg/m³.

What is the current level of carbon monoxide (CO) in Westport, Massachusetts?

The current carbon monoxide (CO) level in Westport, Massachusetts is 0.429 ppm.

What is the current level of sulfur dioxide (SO₂) in Westport, Massachusetts?

The current sulfur dioxide (SO₂) concentration in Westport, Massachusetts is 0.487 ppb.

What is the current level of ozone (O₃) in Westport, Massachusetts?

Westport, Massachusetts currently has an ozone (O₃) concentration of 35.859 ppm.

What is the current level of nitrogen dioxide (NO₂) in Westport, Massachusetts?

The current level of nitrogen dioxide (NO₂) in Westport, Massachusetts is 19.468 ppb.

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