What is the sulfur dioxide (SO2) level in Westport, Connecticut at the moment?

Currently, Westport, Connecticut has a sulfur dioxide (SO2) concentration of 0.347 ppb.

What is the ozone (O3) level in Westport, Connecticut at the moment?

The current ozone (O3) level in Westport, Connecticut at the moment is 23.927 ppm.

What is the nitrogen dioxide (NO2) level in Westport, Connecticut at the moment?

Nitrogen dioxide (NO2) level in Westport, Connecticut at the moment is 4.316 ppb.

Live air quality index in Westport, Connecticut today

Name: Live air pollution levels in Westport, Connecticut today
Creator: Ambee

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

Last updated: ... (Local time)

Major air pollutants in Westport, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

6.25 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

22.87 μg/m³

155

255

425

605+

Ozone (O₃)

45.91 ppb

201

201+

Sulfur Dioxide (SO₂)

0.24 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.38 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.24 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

Westport, Connecticut

Get Live Pollen Counts

Westport, Connecticut

Scroll To Air Quality Map

Track live Westport, Connecticut air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-12T01:00:00.000Z	28 \| good	4.995 \| good	17.062 \| good	29.88 \| good	0.185 \| good	21.363 \| good	0.337 \| good
2025-09-12T02:00:00.000Z	27 \| good	5.251 \| good	19.317 \| good	20.029 \| good	0.234 \| good	19.183 \| good	0.388 \| good
2025-09-12T03:00:00.000Z	38 \| good	6.898 \| good	30.867 \| good	14.879 \| good	1.139 \| good	20.24 \| good	0.343 \| good
2025-09-12T04:00:00.000Z	38 \| good	6.573 \| good	24.36 \| good	17.011 \| good	0.306 \| good	17.988 \| good	0.401 \| good
2025-09-12T05:00:00.000Z	38 \| good	6.604 \| good	23.452 \| good	17.575 \| good	0.28 \| good	20.255 \| good	0.379 \| good
2025-09-12T06:00:00.000Z	38 \| good	7.173 \| good	22.184 \| good	8.868 \| good	0.441 \| good	18.927 \| good	0.336 \| good
2025-09-12T07:00:00.000Z	44 \| good	7.99 \| good	30.696 \| good	10.496 \| good	0.203 \| good	19.667 \| good	0.336 \| good
2025-09-12T08:00:00.000Z	49 \| good	8.552 \| good	29.487 \| good	9.813 \| good	0.232 \| good	17.47 \| good	0.308 \| good
2025-09-12T09:00:00.000Z	33 \| good	6.293 \| good	18.691 \| good	10.531 \| good	0.182 \| good	12.718 \| good	0.268 \| good
2025-09-12T10:00:00.000Z	33 \| good	6.402 \| good	21.139 \| good	17.648 \| good	0.218 \| good	14.642 \| good	0.235 \| good
2025-09-12T11:00:00.000Z	33 \| good	6.231 \| good	23.799 \| good	16.133 \| good	0.459 \| good	19.962 \| good	0.235 \| good
2025-09-12T12:00:00.000Z	38 \| good	6.653 \| good	20.548 \| good	12.781 \| good	0.257 \| good	16.918 \| good	0.264 \| good
2025-09-12T13:00:00.000Z	33 \| good	6.314 \| good	20.444 \| good	15.305 \| good	0.365 \| good	8.401 \| good	0.27 \| good
2025-09-12T14:00:00.000Z	33 \| good	6.242 \| good	24.723 \| good	22.323 \| good	0.327 \| good	4.895 \| good	0.191 \| good
2025-09-12T15:00:00.000Z	33 \| good	5.931 \| good	18.002 \| good	28.46 \| good	0.339 \| good	3.055 \| good	0.174 \| good
2025-09-12T16:00:00.000Z	33 \| good	6.458 \| good	17.474 \| good	28.418 \| good	0.225 \| good	3.143 \| good	0.174 \| good
2025-09-12T17:00:00.000Z	38 \| good	6.593 \| good	17.826 \| good	32.821 \| good	0.109 \| good	3.02 \| good	0.173 \| good
2025-09-12T18:00:00.000Z	38 \| good	6.847 \| good	22.663 \| good	37.931 \| good	0.175 \| good	2.103 \| good	0.173 \| good
2025-09-12T19:00:00.000Z	44 \| good	6.374 \| good	19.579 \| good	46.527 \| good	0.12 \| good	1.634 \| good	0.173 \| good
2025-09-12T20:00:00.000Z	43 \| good	6.836 \| good	19.199 \| good	46.293 \| good	0.192 \| good	1.768 \| good	0.173 \| good
2025-09-12T21:00:00.000Z	44 \| good	6.487 \| good	22.398 \| good	47.403 \| good	0.118 \| good	2.402 \| good	0.173 \| good
2025-09-12T22:00:00.000Z	44 \| good	7.126 \| good	29.274 \| good	48.045 \| good	0.179 \| good	1.548 \| good	0.221 \| good
2025-09-12T23:00:00.000Z	44 \| good	6.578 \| good	20.17 \| good	47.067 \| good	0.173 \| good	1.743 \| good	0.207 \| good
2025-09-13T00:00:00.000Z	43 \| good	7.423 \| good	29.22 \| good	45.643 \| good	0.117 \| good	8.816 \| good	0.271 \| good
2025-09-13T01:00:00.000Z	38 \| good	7.451 \| good	22.65 \| good	38.259 \| good	0.235 \| good	6.63 \| good	0.255 \| good
2025-09-13T02:00:00.000Z	38 \| good	7.392 \| good	17.046 \| good	36.768 \| good	0.181 \| good	4.462 \| good	0.255 \| good
2025-09-13T03:00:00.000Z	44 \| good	8.165 \| good	24.356 \| good	33.888 \| good	0.411 \| good	4.006 \| good	0.249 \| good
2025-09-13T04:00:00.000Z	44 \| good	8.433 \| good	28.21 \| good	33.97 \| good	0.412 \| good	4.601 \| good	0.249 \| good
2025-09-13T05:00:00.000Z	44 \| good	8.367 \| good	27.927 \| good	32.92 \| good	0.177 \| good	4.601 \| good	0.306 \| good
2025-09-13T06:00:00.000Z	44 \| good	8.494 \| good	28.08 \| good	31.203 \| good	0.196 \| good	6.599 \| good	0.276 \| good
2025-09-13T07:00:00.000Z	49 \| good	8.554 \| good	23.041 \| good	30.811 \| good	0.174 \| good	13.63 \| good	0.29 \| good
2025-09-13T08:00:00.000Z	38 \| good	7.211 \| good	16.761 \| good	15.736 \| good	0.304 \| good	10.801 \| good	0.311 \| good
2025-09-13T09:00:00.000Z	38 \| good	7.215 \| good	15.356 \| good	13.057 \| good	0.777 \| good	11.639 \| good	0.268 \| good
2025-09-13T10:00:00.000Z	44 \| good	7.778 \| good	19.673 \| good	10.828 \| good	0.642 \| good	10.213 \| good	0.3 \| good
2025-09-13T11:00:00.000Z	38 \| good	7.444 \| good	19.403 \| good	10.833 \| good	0.609 \| good	9.241 \| good	0.334 \| good
2025-09-13T12:00:00.000Z	52 \| moderate	10.425 \| good	28.088 \| good	7.975 \| good	0.191 \| good	7.848 \| good	0.315 \| good
2025-09-13T13:00:00.000Z	49 \| good	8.851 \| good	19.81 \| good	8.34 \| good	0.229 \| good	9.007 \| good	0.332 \| good
2025-09-13T14:00:00.000Z	38 \| good	7.478 \| good	20.106 \| good	12.993 \| good	0.286 \| good	4.739 \| good	0.3 \| good
2025-09-13T15:00:00.000Z	38 \| good	7.246 \| good	21.976 \| good	27.957 \| good	0.243 \| good	2.378 \| good	0.234 \| good
2025-09-13T16:00:00.000Z	38 \| good	7.135 \| good	28.183 \| good	36.507 \| good	0.252 \| good	1.906 \| good	0.234 \| good
2025-09-13T17:00:00.000Z	38 \| good	7.431 \| good	29.852 \| good	40.642 \| good	0.259 \| good	2.615 \| good	0.249 \| good
2025-09-13T18:00:00.000Z	43 \| good	6.816 \| good	23.603 \| good	45.954 \| good	0.276 \| good	2.748 \| good	0.294 \| good
2025-09-13T19:00:00.000Z	47 \| good	8.229 \| good	31.318 \| good	50.642 \| good	0.173 \| good	2.268 \| good	0.252 \| good
2025-09-13T20:00:00.000Z	49 \| good	7.649 \| good	24.202 \| good	52.854 \| good	0.296 \| good	2.271 \| good	0.234 \| good
2025-09-13T21:00:00.000Z	48 \| good	7.071 \| good	24.945 \| good	51.811 \| good	0.244 \| good	2.422 \| good	0.234 \| good
2025-09-13T22:00:00.000Z	49 \| good	6.946 \| good	18.513 \| good	52.8 \| good	0.236 \| good	2.46 \| good	0.234 \| good
2025-09-13T23:00:00.000Z	45 \| good	6.546 \| good	22.036 \| good	49.09 \| good	0.236 \| good	2.457 \| good	0.231 \| good
2025-09-14T00:00:00.000Z	43 \| good	6.5 \| good	21.275 \| good	46.052 \| good	0.242 \| good	2.706 \| good	0.234 \| good
2025-09-14T00:00:00.000Z	43 \| good	6.254 \| good	22.869 \| good	45.907 \| good	0.243 \| good	1.378 \| good	0.236 \| good
2025-09-12T16:00:00.000Z	38 \| good	7.45 \| good	32.703 \| good	40.68 \| good	0.649 \| good	2.215 \| good	0.187 \| good
2025-09-12T17:00:00.000Z	44 \| good	7.618 \| good	33.561 \| good	43.374 \| good	0.566 \| good	1.803 \| good	0.18 \| good
2025-09-12T18:00:00.000Z	52 \| moderate	9.958 \| good	44.189 \| good	45.553 \| good	0.482 \| good	1.391 \| good	0.174 \| good
2025-09-12T19:00:00.000Z	49 \| good	9.173 \| good	41.126 \| good	46.389 \| good	0.463 \| good	1.641 \| good	0.174 \| good
2025-09-12T20:00:00.000Z	49 \| good	8.802 \| good	38.354 \| good	47.796 \| good	0.445 \| good	1.892 \| good	0.173 \| good
2025-09-12T21:00:00.000Z	42 \| good	6.867 \| good	30.256 \| good	44.511 \| good	0.427 \| good	2.142 \| good	0.173 \| good
2025-09-12T22:00:00.000Z	38 \| good	7.03 \| good	30.99 \| good	40.334 \| good	0.49 \| good	4.71 \| good	0.194 \| good
2025-09-12T23:00:00.000Z	44 \| good	7.971 \| good	34.877 \| good	31.125 \| good	0.553 \| good	7.279 \| good	0.215 \| good
2025-09-13T00:00:00.000Z	49 \| good	9.24 \| good	40.763 \| good	27.547 \| good	0.617 \| good	9.848 \| good	0.236 \| good
2025-09-13T01:00:00.000Z	44 \| good	7.969 \| good	34.929 \| good	23.591 \| good	0.678 \| good	9.217 \| good	0.225 \| good
2025-09-13T02:00:00.000Z	38 \| good	7.06 \| good	31.062 \| good	17.499 \| good	0.74 \| good	8.587 \| good	0.213 \| good
2025-09-13T03:00:00.000Z	44 \| good	7.623 \| good	33.614 \| good	15.572 \| good	0.802 \| good	7.956 \| good	0.202 \| good
2025-09-13T04:00:00.000Z	44 \| good	7.663 \| good	33.812 \| good	13.213 \| good	0.811 \| good	7.602 \| good	0.194 \| good
2025-09-13T05:00:00.000Z	38 \| good	7.01 \| good	30.898 \| good	16.884 \| good	0.82 \| good	7.249 \| good	0.186 \| good
2025-09-13T06:00:00.000Z	33 \| good	6.166 \| good	27.448 \| good	18.611 \| good	0.829 \| good	6.895 \| good	0.178 \| good
2025-09-13T07:00:00.000Z	27 \| good	5.251 \| good	22.766 \| good	19.499 \| good	0.804 \| good	6.721 \| good	0.174 \| good
2025-09-13T08:00:00.000Z	27 \| good	5.163 \| good	22.146 \| good	18.628 \| good	0.78 \| good	6.547 \| good	0.17 \| good
2025-09-13T09:00:00.000Z	33 \| good	6.214 \| good	27.825 \| good	16.082 \| good	0.755 \| good	6.373 \| good	0.165 \| good
2025-09-13T10:00:00.000Z	27 \| good	5.314 \| good	22.999 \| good	15.013 \| good	0.817 \| good	7.807 \| good	0.188 \| good
2025-09-13T11:00:00.000Z	33 \| good	6.236 \| good	27.94 \| good	15.122 \| good	0.879 \| good	9.241 \| good	0.21 \| good
2025-09-13T12:00:00.000Z	44 \| good	7.745 \| good	34.23 \| good	20.194 \| good	0.942 \| good	10.675 \| good	0.232 \| good
2025-09-13T13:00:00.000Z	44 \| good	7.685 \| good	34.174 \| good	31.311 \| good	1.231 \| good	8.822 \| good	0.213 \| good
2025-09-13T14:00:00.000Z	49 \| good	9.362 \| good	41.431 \| good	37.196 \| good	1.52 \| good	6.969 \| good	0.194 \| good
2025-09-13T15:00:00.000Z	52 \| moderate	9.801 \| good	43.533 \| good	43.22 \| good	1.809 \| good	5.116 \| good	0.175 \| good
2025-09-13T16:00:00.000Z	54 \| moderate	10.735 \| good	47.942 \| good	47.368 \| good	1.691 \| good	4.306 \| good	0.176 \| good
2025-09-13T17:00:00.000Z	56 \| moderate	11.702 \| good	51.95 \| good	49.648 \| good	1.572 \| good	3.497 \| good	0.176 \| good
2025-09-13T18:00:00.000Z	56 \| moderate	11.976 \| good	52.93 \| good	52.728 \| good	1.453 \| good	2.687 \| good	0.176 \| good
2025-09-13T19:00:00.000Z	58 \| moderate	12.899 \| fine	57.763 \| fine	55.866 \| fine	1.466 \| good	2.88 \| good	0.177 \| good
2025-09-13T20:00:00.000Z	58 \| moderate	12.643 \| fine	56.568 \| fine	56.07 \| fine	1.479 \| good	3.073 \| good	0.177 \| good
2025-09-13T21:00:00.000Z	52 \| moderate	10.015 \| good	44.431 \| good	47.811 \| good	1.492 \| good	3.266 \| good	0.178 \| good
2025-09-13T22:00:00.000Z	44 \| good	7.845 \| good	34.495 \| good	40.057 \| good	1.503 \| good	4.997 \| good	0.187 \| good
2025-09-13T23:00:00.000Z	38 \| good	6.658 \| good	29.724 \| good	33.228 \| good	1.515 \| good	6.728 \| good	0.196 \| good
2025-09-14T00:00:00.000Z	49 \| good	8.759 \| good	38.412 \| good	34.832 \| good	1.526 \| good	8.459 \| good	0.205 \| good
2025-09-14T01:00:00.000Z	44 \| good	7.885 \| good	34.332 \| good	34.899 \| good	1.441 \| good	8.308 \| good	0.196 \| good
2025-09-14T02:00:00.000Z	44 \| good	7.647 \| good	33.881 \| good	33.49 \| good	1.356 \| good	8.158 \| good	0.188 \| good
2025-09-14T03:00:00.000Z	38 \| good	6.595 \| good	29.112 \| good	32.08 \| good	1.272 \| good	8.008 \| good	0.18 \| good
2025-09-14T04:00:00.000Z	38 \| good	6.986 \| good	31.032 \| good	25.398 \| good	1.284 \| good	7.819 \| good	0.176 \| good
2025-09-14T05:00:00.000Z	52 \| moderate	9.577 \| good	42.83 \| good	21.534 \| good	1.296 \| good	7.63 \| good	0.172 \| good
2025-09-14T06:00:00.000Z	54 \| moderate	11.404 \| good	50.618 \| good	16.181 \| good	1.308 \| good	7.442 \| good	0.168 \| good
2025-09-14T07:00:00.000Z	60 \| moderate	14.193 \| fine	63.059 \| fine	17.266 \| good	1.471 \| good	7.849 \| good	0.169 \| good
2025-09-14T08:00:00.000Z	66 \| moderate	16.578 \| fine	74.212 \| fine	17.94 \| good	1.633 \| good	8.256 \| good	0.171 \| good
2025-09-14T09:00:00.000Z	66 \| moderate	16.703 \| fine	74.398 \| fine	18.427 \| good	1.796 \| good	8.663 \| good	0.173 \| good
2025-09-14T10:00:00.000Z	67 \| moderate	17.573 \| fine	78.386 \| fine	10.537 \| good	2.008 \| good	10.119 \| good	0.192 \| good
2025-09-14T11:00:00.000Z	67 \| moderate	17.764 \| fine	78.736 \| fine	12.026 \| good	2.219 \| good	11.575 \| good	0.212 \| good
2025-09-14T12:00:00.000Z	67 \| moderate	18.385 \| fine	81.118 \| fine	15.315 \| good	2.431 \| good	13.031 \| good	0.231 \| good
2025-09-14T13:00:00.000Z	64 \| moderate	16.359 \| fine	73.025 \| fine	26.74 \| good	2.59 \| good	10.863 \| good	0.231 \| good
2025-09-14T14:00:00.000Z	62 \| moderate	14.929 \| fine	67.256 \| fine	34.722 \| good	2.748 \| good	8.695 \| good	0.23 \| good
2025-09-14T15:00:00.000Z	60 \| moderate	13.545 \| fine	61.151 \| fine	31.688 \| good	2.907 \| good	6.527 \| good	0.23 \| good

Westport

Get reliable air quality data to drive your business

Westport, Connecticut air quality map: Stay updated on AQI near you

0.23ppm

How accurate is Connecticut, USA air quality data?

Air quality and pollutant data for Connecticut, 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 Westport, Connecticut?

The air quality information for Westport, Connecticut is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Westport, Connecticut at its worst?

In the past 24 hours, the air quality in Westport, Connecticut was at its worst at 08:00:00 on 2025-09-12.

When did Westport, Connecticut experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Westport, Connecticut was observed at 02:00:00 on 2025-09-12.

What is the AQI in Westport, Connecticut right now?

As of now, the AQI in Westport, Connecticut is 33, indicating Good conditions.

What is the most common type of pollution in Westport, Connecticut?

Westport, Connecticut air has the highest levels of PM2.5.

What should I do in case of poor air quality in Westport, Connecticut?

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

What is the PM_2.5 level in Westport, Connecticut at the moment?

PM_2.5 levels in Westport, Connecticut are currently 6.229 μg/m³.

What is the PM₁₀ level in Westport, Connecticut at the moment?

The PM₁₀ concentration in Westport, Connecticut is 28.358 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Westport, Connecticut at the moment?

The current carbon monoxide (CO) concentration in Westport, Connecticut is 0.189 ppm.

What is the sulfur dioxide (SO₂) level in Westport, Connecticut at the moment?

Currently, Westport, Connecticut has a sulfur dioxide (SO₂) concentration of 0.347 ppb.

What is the ozone (O₃) level in Westport, Connecticut at the moment?

The current ozone (O₃) level in Westport, Connecticut at the moment is 23.927 ppm.

What is the nitrogen dioxide (NO₂) level in Westport, Connecticut at the moment?

Nitrogen dioxide (NO₂) level in Westport, Connecticut at the moment is 4.316 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-12T01:00:00.000Z	28 \| good	4.995 \| good	17.062 \| good	29.88 \| good	0.185 \| good	21.363 \| good	0.337 \| good
2025-09-12T02:00:00.000Z	27 \| good	5.251 \| good	19.317 \| good	20.029 \| good	0.234 \| good	19.183 \| good	0.388 \| good
2025-09-12T03:00:00.000Z	38 \| good	6.898 \| good	30.867 \| good	14.879 \| good	1.139 \| good	20.24 \| good	0.343 \| good
2025-09-12T04:00:00.000Z	38 \| good	6.573 \| good	24.36 \| good	17.011 \| good	0.306 \| good	17.988 \| good	0.401 \| good
2025-09-12T05:00:00.000Z	38 \| good	6.604 \| good	23.452 \| good	17.575 \| good	0.28 \| good	20.255 \| good	0.379 \| good
2025-09-12T06:00:00.000Z	38 \| good	7.173 \| good	22.184 \| good	8.868 \| good	0.441 \| good	18.927 \| good	0.336 \| good
2025-09-12T07:00:00.000Z	44 \| good	7.99 \| good	30.696 \| good	10.496 \| good	0.203 \| good	19.667 \| good	0.336 \| good
2025-09-12T08:00:00.000Z	49 \| good	8.552 \| good	29.487 \| good	9.813 \| good	0.232 \| good	17.47 \| good	0.308 \| good
2025-09-12T09:00:00.000Z	33 \| good	6.293 \| good	18.691 \| good	10.531 \| good	0.182 \| good	12.718 \| good	0.268 \| good
2025-09-12T10:00:00.000Z	33 \| good	6.402 \| good	21.139 \| good	17.648 \| good	0.218 \| good	14.642 \| good	0.235 \| good
2025-09-12T11:00:00.000Z	33 \| good	6.231 \| good	23.799 \| good	16.133 \| good	0.459 \| good	19.962 \| good	0.235 \| good
2025-09-12T12:00:00.000Z	38 \| good	6.653 \| good	20.548 \| good	12.781 \| good	0.257 \| good	16.918 \| good	0.264 \| good
2025-09-12T13:00:00.000Z	33 \| good	6.314 \| good	20.444 \| good	15.305 \| good	0.365 \| good	8.401 \| good	0.27 \| good
2025-09-12T14:00:00.000Z	33 \| good	6.242 \| good	24.723 \| good	22.323 \| good	0.327 \| good	4.895 \| good	0.191 \| good
2025-09-12T15:00:00.000Z	33 \| good	5.931 \| good	18.002 \| good	28.46 \| good	0.339 \| good	3.055 \| good	0.174 \| good
2025-09-12T16:00:00.000Z	33 \| good	6.458 \| good	17.474 \| good	28.418 \| good	0.225 \| good	3.143 \| good	0.174 \| good
2025-09-12T17:00:00.000Z	38 \| good	6.593 \| good	17.826 \| good	32.821 \| good	0.109 \| good	3.02 \| good	0.173 \| good
2025-09-12T18:00:00.000Z	38 \| good	6.847 \| good	22.663 \| good	37.931 \| good	0.175 \| good	2.103 \| good	0.173 \| good
2025-09-12T19:00:00.000Z	44 \| good	6.374 \| good	19.579 \| good	46.527 \| good	0.12 \| good	1.634 \| good	0.173 \| good
2025-09-12T20:00:00.000Z	43 \| good	6.836 \| good	19.199 \| good	46.293 \| good	0.192 \| good	1.768 \| good	0.173 \| good
2025-09-12T21:00:00.000Z	44 \| good	6.487 \| good	22.398 \| good	47.403 \| good	0.118 \| good	2.402 \| good	0.173 \| good
2025-09-12T22:00:00.000Z	44 \| good	7.126 \| good	29.274 \| good	48.045 \| good	0.179 \| good	1.548 \| good	0.221 \| good
2025-09-12T23:00:00.000Z	44 \| good	6.578 \| good	20.17 \| good	47.067 \| good	0.173 \| good	1.743 \| good	0.207 \| good
2025-09-13T00:00:00.000Z	43 \| good	7.423 \| good	29.22 \| good	45.643 \| good	0.117 \| good	8.816 \| good	0.271 \| good
2025-09-13T01:00:00.000Z	38 \| good	7.451 \| good	22.65 \| good	38.259 \| good	0.235 \| good	6.63 \| good	0.255 \| good
2025-09-13T02:00:00.000Z	38 \| good	7.392 \| good	17.046 \| good	36.768 \| good	0.181 \| good	4.462 \| good	0.255 \| good
2025-09-13T03:00:00.000Z	44 \| good	8.165 \| good	24.356 \| good	33.888 \| good	0.411 \| good	4.006 \| good	0.249 \| good
2025-09-13T04:00:00.000Z	44 \| good	8.433 \| good	28.21 \| good	33.97 \| good	0.412 \| good	4.601 \| good	0.249 \| good
2025-09-13T05:00:00.000Z	44 \| good	8.367 \| good	27.927 \| good	32.92 \| good	0.177 \| good	4.601 \| good	0.306 \| good
2025-09-13T06:00:00.000Z	44 \| good	8.494 \| good	28.08 \| good	31.203 \| good	0.196 \| good	6.599 \| good	0.276 \| good
2025-09-13T07:00:00.000Z	49 \| good	8.554 \| good	23.041 \| good	30.811 \| good	0.174 \| good	13.63 \| good	0.29 \| good
2025-09-13T08:00:00.000Z	38 \| good	7.211 \| good	16.761 \| good	15.736 \| good	0.304 \| good	10.801 \| good	0.311 \| good
2025-09-13T09:00:00.000Z	38 \| good	7.215 \| good	15.356 \| good	13.057 \| good	0.777 \| good	11.639 \| good	0.268 \| good
2025-09-13T10:00:00.000Z	44 \| good	7.778 \| good	19.673 \| good	10.828 \| good	0.642 \| good	10.213 \| good	0.3 \| good
2025-09-13T11:00:00.000Z	38 \| good	7.444 \| good	19.403 \| good	10.833 \| good	0.609 \| good	9.241 \| good	0.334 \| good
2025-09-13T12:00:00.000Z	52 \| moderate	10.425 \| good	28.088 \| good	7.975 \| good	0.191 \| good	7.848 \| good	0.315 \| good
2025-09-13T13:00:00.000Z	49 \| good	8.851 \| good	19.81 \| good	8.34 \| good	0.229 \| good	9.007 \| good	0.332 \| good
2025-09-13T14:00:00.000Z	38 \| good	7.478 \| good	20.106 \| good	12.993 \| good	0.286 \| good	4.739 \| good	0.3 \| good
2025-09-13T15:00:00.000Z	38 \| good	7.246 \| good	21.976 \| good	27.957 \| good	0.243 \| good	2.378 \| good	0.234 \| good
2025-09-13T16:00:00.000Z	38 \| good	7.135 \| good	28.183 \| good	36.507 \| good	0.252 \| good	1.906 \| good	0.234 \| good
2025-09-13T17:00:00.000Z	38 \| good	7.431 \| good	29.852 \| good	40.642 \| good	0.259 \| good	2.615 \| good	0.249 \| good
2025-09-13T18:00:00.000Z	43 \| good	6.816 \| good	23.603 \| good	45.954 \| good	0.276 \| good	2.748 \| good	0.294 \| good
2025-09-13T19:00:00.000Z	47 \| good	8.229 \| good	31.318 \| good	50.642 \| good	0.173 \| good	2.268 \| good	0.252 \| good
2025-09-13T20:00:00.000Z	49 \| good	7.649 \| good	24.202 \| good	52.854 \| good	0.296 \| good	2.271 \| good	0.234 \| good
2025-09-13T21:00:00.000Z	48 \| good	7.071 \| good	24.945 \| good	51.811 \| good	0.244 \| good	2.422 \| good	0.234 \| good
2025-09-13T22:00:00.000Z	49 \| good	6.946 \| good	18.513 \| good	52.8 \| good	0.236 \| good	2.46 \| good	0.234 \| good
2025-09-13T23:00:00.000Z	45 \| good	6.546 \| good	22.036 \| good	49.09 \| good	0.236 \| good	2.457 \| good	0.231 \| good
2025-09-14T00:00:00.000Z	43 \| good	6.5 \| good	21.275 \| good	46.052 \| good	0.242 \| good	2.706 \| good	0.234 \| good
2025-09-14T00:00:00.000Z	43 \| good	6.254 \| good	22.869 \| good	45.907 \| good	0.243 \| good	1.378 \| good	0.236 \| good
2025-09-12T16:00:00.000Z	38 \| good	7.45 \| good	32.703 \| good	40.68 \| good	0.649 \| good	2.215 \| good	0.187 \| good
2025-09-12T17:00:00.000Z	44 \| good	7.618 \| good	33.561 \| good	43.374 \| good	0.566 \| good	1.803 \| good	0.18 \| good
2025-09-12T18:00:00.000Z	52 \| moderate	9.958 \| good	44.189 \| good	45.553 \| good	0.482 \| good	1.391 \| good	0.174 \| good
2025-09-12T19:00:00.000Z	49 \| good	9.173 \| good	41.126 \| good	46.389 \| good	0.463 \| good	1.641 \| good	0.174 \| good
2025-09-12T20:00:00.000Z	49 \| good	8.802 \| good	38.354 \| good	47.796 \| good	0.445 \| good	1.892 \| good	0.173 \| good
2025-09-12T21:00:00.000Z	42 \| good	6.867 \| good	30.256 \| good	44.511 \| good	0.427 \| good	2.142 \| good	0.173 \| good
2025-09-12T22:00:00.000Z	38 \| good	7.03 \| good	30.99 \| good	40.334 \| good	0.49 \| good	4.71 \| good	0.194 \| good
2025-09-12T23:00:00.000Z	44 \| good	7.971 \| good	34.877 \| good	31.125 \| good	0.553 \| good	7.279 \| good	0.215 \| good
2025-09-13T00:00:00.000Z	49 \| good	9.24 \| good	40.763 \| good	27.547 \| good	0.617 \| good	9.848 \| good	0.236 \| good
2025-09-13T01:00:00.000Z	44 \| good	7.969 \| good	34.929 \| good	23.591 \| good	0.678 \| good	9.217 \| good	0.225 \| good
2025-09-13T02:00:00.000Z	38 \| good	7.06 \| good	31.062 \| good	17.499 \| good	0.74 \| good	8.587 \| good	0.213 \| good
2025-09-13T03:00:00.000Z	44 \| good	7.623 \| good	33.614 \| good	15.572 \| good	0.802 \| good	7.956 \| good	0.202 \| good
2025-09-13T04:00:00.000Z	44 \| good	7.663 \| good	33.812 \| good	13.213 \| good	0.811 \| good	7.602 \| good	0.194 \| good
2025-09-13T05:00:00.000Z	38 \| good	7.01 \| good	30.898 \| good	16.884 \| good	0.82 \| good	7.249 \| good	0.186 \| good
2025-09-13T06:00:00.000Z	33 \| good	6.166 \| good	27.448 \| good	18.611 \| good	0.829 \| good	6.895 \| good	0.178 \| good
2025-09-13T07:00:00.000Z	27 \| good	5.251 \| good	22.766 \| good	19.499 \| good	0.804 \| good	6.721 \| good	0.174 \| good
2025-09-13T08:00:00.000Z	27 \| good	5.163 \| good	22.146 \| good	18.628 \| good	0.78 \| good	6.547 \| good	0.17 \| good
2025-09-13T09:00:00.000Z	33 \| good	6.214 \| good	27.825 \| good	16.082 \| good	0.755 \| good	6.373 \| good	0.165 \| good
2025-09-13T10:00:00.000Z	27 \| good	5.314 \| good	22.999 \| good	15.013 \| good	0.817 \| good	7.807 \| good	0.188 \| good
2025-09-13T11:00:00.000Z	33 \| good	6.236 \| good	27.94 \| good	15.122 \| good	0.879 \| good	9.241 \| good	0.21 \| good
2025-09-13T12:00:00.000Z	44 \| good	7.745 \| good	34.23 \| good	20.194 \| good	0.942 \| good	10.675 \| good	0.232 \| good
2025-09-13T13:00:00.000Z	44 \| good	7.685 \| good	34.174 \| good	31.311 \| good	1.231 \| good	8.822 \| good	0.213 \| good
2025-09-13T14:00:00.000Z	49 \| good	9.362 \| good	41.431 \| good	37.196 \| good	1.52 \| good	6.969 \| good	0.194 \| good
2025-09-13T15:00:00.000Z	52 \| moderate	9.801 \| good	43.533 \| good	43.22 \| good	1.809 \| good	5.116 \| good	0.175 \| good
2025-09-13T16:00:00.000Z	54 \| moderate	10.735 \| good	47.942 \| good	47.368 \| good	1.691 \| good	4.306 \| good	0.176 \| good
2025-09-13T17:00:00.000Z	56 \| moderate	11.702 \| good	51.95 \| good	49.648 \| good	1.572 \| good	3.497 \| good	0.176 \| good
2025-09-13T18:00:00.000Z	56 \| moderate	11.976 \| good	52.93 \| good	52.728 \| good	1.453 \| good	2.687 \| good	0.176 \| good
2025-09-13T19:00:00.000Z	58 \| moderate	12.899 \| fine	57.763 \| fine	55.866 \| fine	1.466 \| good	2.88 \| good	0.177 \| good
2025-09-13T20:00:00.000Z	58 \| moderate	12.643 \| fine	56.568 \| fine	56.07 \| fine	1.479 \| good	3.073 \| good	0.177 \| good
2025-09-13T21:00:00.000Z	52 \| moderate	10.015 \| good	44.431 \| good	47.811 \| good	1.492 \| good	3.266 \| good	0.178 \| good
2025-09-13T22:00:00.000Z	44 \| good	7.845 \| good	34.495 \| good	40.057 \| good	1.503 \| good	4.997 \| good	0.187 \| good
2025-09-13T23:00:00.000Z	38 \| good	6.658 \| good	29.724 \| good	33.228 \| good	1.515 \| good	6.728 \| good	0.196 \| good
2025-09-14T00:00:00.000Z	49 \| good	8.759 \| good	38.412 \| good	34.832 \| good	1.526 \| good	8.459 \| good	0.205 \| good
2025-09-14T01:00:00.000Z	44 \| good	7.885 \| good	34.332 \| good	34.899 \| good	1.441 \| good	8.308 \| good	0.196 \| good
2025-09-14T02:00:00.000Z	44 \| good	7.647 \| good	33.881 \| good	33.49 \| good	1.356 \| good	8.158 \| good	0.188 \| good
2025-09-14T03:00:00.000Z	38 \| good	6.595 \| good	29.112 \| good	32.08 \| good	1.272 \| good	8.008 \| good	0.18 \| good
2025-09-14T04:00:00.000Z	38 \| good	6.986 \| good	31.032 \| good	25.398 \| good	1.284 \| good	7.819 \| good	0.176 \| good
2025-09-14T05:00:00.000Z	52 \| moderate	9.577 \| good	42.83 \| good	21.534 \| good	1.296 \| good	7.63 \| good	0.172 \| good
2025-09-14T06:00:00.000Z	54 \| moderate	11.404 \| good	50.618 \| good	16.181 \| good	1.308 \| good	7.442 \| good	0.168 \| good
2025-09-14T07:00:00.000Z	60 \| moderate	14.193 \| fine	63.059 \| fine	17.266 \| good	1.471 \| good	7.849 \| good	0.169 \| good
2025-09-14T08:00:00.000Z	66 \| moderate	16.578 \| fine	74.212 \| fine	17.94 \| good	1.633 \| good	8.256 \| good	0.171 \| good
2025-09-14T09:00:00.000Z	66 \| moderate	16.703 \| fine	74.398 \| fine	18.427 \| good	1.796 \| good	8.663 \| good	0.173 \| good
2025-09-14T10:00:00.000Z	67 \| moderate	17.573 \| fine	78.386 \| fine	10.537 \| good	2.008 \| good	10.119 \| good	0.192 \| good
2025-09-14T11:00:00.000Z	67 \| moderate	17.764 \| fine	78.736 \| fine	12.026 \| good	2.219 \| good	11.575 \| good	0.212 \| good
2025-09-14T12:00:00.000Z	67 \| moderate	18.385 \| fine	81.118 \| fine	15.315 \| good	2.431 \| good	13.031 \| good	0.231 \| good
2025-09-14T13:00:00.000Z	64 \| moderate	16.359 \| fine	73.025 \| fine	26.74 \| good	2.59 \| good	10.863 \| good	0.231 \| good
2025-09-14T14:00:00.000Z	62 \| moderate	14.929 \| fine	67.256 \| fine	34.722 \| good	2.748 \| good	8.695 \| good	0.23 \| good
2025-09-14T15:00:00.000Z	60 \| moderate	13.545 \| fine	61.151 \| fine	31.688 \| good	2.907 \| good	6.527 \| good	0.23 \| good

Live air quality index in Westport, Connecticut today

Major air pollutants in Westport, Connecticut

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Weston, Connecticut

Fairfield, Connecticut

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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What is the nitrogen dioxide (NO₂) level in Westport, Connecticut at the moment?