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

Currently, Old Saybrook, Connecticut has a sulfur dioxide (SO2) concentration of 0.162 ppb.

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

The current ozone (O3) level in Old Saybrook, Connecticut at the moment is 39.245 ppm.

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

Nitrogen dioxide (NO2) level in Old Saybrook, Connecticut at the moment is 6.727 ppb.

Live air quality index in Old Saybrook, Connecticut today

Q: What is the PM2.5 level in Old Saybrook, Connecticut at the moment?

PM2.5 levels in Old Saybrook, Connecticut are currently 4.874 μg/m3.

Q: What is the PM10 level in Old Saybrook, Connecticut at the moment?

The PM10 concentration in Old Saybrook, Connecticut is 9.288 μg/m3 at the moment.

Stay updated with real-time air quality in Old Saybrook, 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

Old Saybrook, Connecticut

Last updated: ... (Local time)

Major air pollutants in Old Saybrook, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.87 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

9.29 μg/m³

155

255

425

605+

Ozone (O₃)

39.24 ppb

201

201+

Sulfur Dioxide (SO₂)

0.16 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.73 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.30 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Old Saybrook, Connecticut

Get Live Pollen Counts

Old Saybrook, Connecticut

Scroll To Air Quality Map

Track live Old Saybrook, Connecticut air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-08-08T21:00:00.000Z	90 \| moderate	8.984 \| good	40.03 \| good	67.155 \| fine	0.259 \| good	5.93 \| good	0.3 \| good
2026-08-08T22:00:00.000Z	64 \| moderate	8.414 \| good	35.442 \| good	58.92 \| fine	0.168 \| good	4.685 \| good	0.3 \| good
2026-08-08T23:00:00.000Z	58 \| moderate	7.315 \| good	18.706 \| good	56.661 \| fine	0.189 \| good	5.043 \| good	0.211 \| good
2026-08-09T00:00:00.000Z	61 \| moderate	7.286 \| good	21.323 \| good	58.441 \| fine	0.18 \| good	5.618 \| good	0.226 \| good
2026-08-09T01:00:00.000Z	48 \| good	7.253 \| good	35.548 \| good	51.686 \| good	0.219 \| good	10.088 \| good	0.328 \| good
2026-08-09T02:00:00.000Z	42 \| good	6.94 \| good	33.346 \| good	44.72 \| good	0.153 \| good	9.497 \| good	0.313 \| good
2026-08-09T03:00:00.000Z	56 \| moderate	12.016 \| good	53.726 \| good	30.274 \| good	0.416 \| good	3.868 \| good	0.218 \| good
2026-08-09T04:00:00.000Z	49 \| good	8.729 \| good	17.354 \| good	41.886 \| good	0.187 \| good	11.712 \| good	0.369 \| good
2026-08-09T05:00:00.000Z	49 \| good	9.35 \| good	33.608 \| good	38.991 \| good	0.266 \| good	9.598 \| good	0.296 \| good
2026-08-09T06:00:00.000Z	49 \| good	9.435 \| good	31.251 \| good	30.518 \| good	0.287 \| good	8.425 \| good	0.296 \| good
2026-08-09T07:00:00.000Z	49 \| good	9.277 \| good	25.398 \| good	38.505 \| good	0.15 \| good	8.268 \| good	0.286 \| good
2026-08-09T08:00:00.000Z	49 \| good	8.772 \| good	22.856 \| good	21.202 \| good	0.309 \| good	8.594 \| good	0.209 \| good
2026-08-09T09:00:00.000Z	49 \| good	8.661 \| good	40.154 \| good	21.016 \| good	0.287 \| good	7.831 \| good	0.182 \| good
2026-08-09T10:00:00.000Z	49 \| good	8.619 \| good	38.335 \| good	19.889 \| good	0.292 \| good	5.397 \| good	0.182 \| good
2026-08-09T11:00:00.000Z	44 \| good	8.309 \| good	39.777 \| good	24.5 \| good	0.25 \| good	9.266 \| good	0.195 \| good
2026-08-09T12:00:00.000Z	44 \| good	7.728 \| good	38.168 \| good	18.331 \| good	0.139 \| good	7.541 \| good	0.223 \| good
2026-08-09T13:00:00.000Z	44 \| good	8.078 \| good	32.387 \| good	24.221 \| good	0.303 \| good	5.301 \| good	0.236 \| good
2026-08-09T14:00:00.000Z	49 \| good	9.059 \| good	29.309 \| good	30.468 \| good	0.207 \| good	6.328 \| good	0.212 \| good
2026-08-09T15:00:00.000Z	49 \| good	9.469 \| good	29.751 \| good	35.24 \| good	0.333 \| good	3.553 \| good	0.167 \| good
2026-08-09T16:00:00.000Z	52 \| moderate	10.241 \| good	29.219 \| good	42.559 \| good	0.287 \| good	3.596 \| good	0.212 \| good
2026-08-09T17:00:00.000Z	52 \| moderate	9.734 \| good	28.732 \| good	45.194 \| good	0.249 \| good	2.964 \| good	0.212 \| good
2026-08-09T18:00:00.000Z	49 \| good	9.192 \| good	52.771 \| good	47.358 \| good	0.235 \| good	2.817 \| good	0.167 \| good
2026-08-09T19:00:00.000Z	52 \| moderate	10.221 \| good	55.513 \| fine	53.518 \| good	0.25 \| good	1.829 \| good	0.181 \| good
2026-08-09T20:00:00.000Z	54 \| moderate	11.232 \| good	46.399 \| good	53.315 \| good	0.359 \| good	1.906 \| good	0.167 \| good
2026-08-09T21:00:00.000Z	67 \| moderate	9.949 \| good	37.703 \| good	60.331 \| fine	0.366 \| good	2.017 \| good	0.153 \| good
2026-08-09T22:00:00.000Z	54 \| moderate	10.992 \| good	28.809 \| good	45.008 \| good	0.395 \| good	2.133 \| good	0.185 \| good
2026-08-09T23:00:00.000Z	44 \| good	8.316 \| good	23.818 \| good	44.613 \| good	0.308 \| good	3.242 \| good	0.185 \| good
2026-08-10T00:00:00.000Z	49 \| good	9.156 \| good	25.53 \| good	47.697 \| good	0.19 \| good	4.685 \| good	0.198 \| good
2026-08-10T01:00:00.000Z	49 \| good	9.441 \| good	23.127 \| good	44.143 \| good	0.369 \| good	5.209 \| good	0.226 \| good
2026-08-10T02:00:00.000Z	49 \| good	8.528 \| good	24.202 \| good	34.9 \| good	0.322 \| good	6.794 \| good	0.226 \| good
2026-08-10T03:00:00.000Z	22 \| good	4.002 \| good	17.525 \| good	13.987 \| good	0.24 \| good	4.283 \| good	0.187 \| good
2026-08-10T04:00:00.000Z	44 \| good	7.886 \| good	16.298 \| good	28.704 \| good	0.171 \| good	4.482 \| good	0.213 \| good
2026-08-10T05:00:00.000Z	38 \| good	7.148 \| good	15.956 \| good	23.955 \| good	0.335 \| good	7.274 \| good	0.226 \| good
2026-08-10T06:00:00.000Z	38 \| good	6.604 \| good	20.581 \| good	21.643 \| good	0.248 \| good	8.422 \| good	0.254 \| good
2026-08-10T07:00:00.000Z	38 \| good	6.544 \| good	13.981 \| good	18.534 \| good	0.305 \| good	7.105 \| good	0.267 \| good
2026-08-10T08:00:00.000Z	38 \| good	6.735 \| good	17.26 \| good	15.515 \| good	0.337 \| good	8.957 \| good	0.196 \| good
2026-08-10T09:00:00.000Z	33 \| good	6.349 \| good	28.802 \| good	14.289 \| good	0.126 \| good	9.911 \| good	0.181 \| good
2026-08-10T10:00:00.000Z	33 \| good	6.003 \| good	21.524 \| good	13.911 \| good	0.184 \| good	9.993 \| good	0.226 \| good
2026-08-10T11:00:00.000Z	27 \| good	4.904 \| good	15.618 \| good	18.966 \| good	0.19 \| good	10.85 \| good	0.299 \| good
2026-08-10T12:00:00.000Z	27 \| good	4.91 \| good	22.879 \| good	15.768 \| good	0.219 \| good	10.474 \| good	0.271 \| good
2026-08-10T13:00:00.000Z	33 \| good	5.826 \| good	16.25 \| good	16.821 \| good	0.401 \| good	9.167 \| good	0.232 \| good
2026-08-10T14:00:00.000Z	27 \| good	5.274 \| good	25.521 \| good	19.952 \| good	0.295 \| good	6.869 \| good	0.257 \| good
2026-08-10T15:00:00.000Z	27 \| good	5.185 \| good	19.444 \| good	22.06 \| good	0.24 \| good	4.271 \| good	0.199 \| good
2026-08-10T16:00:00.000Z	27 \| good	4.895 \| good	19.017 \| good	25.944 \| good	0.232 \| good	4.883 \| good	0.199 \| good
2026-08-10T17:00:00.000Z	27 \| good	4.666 \| good	15.144 \| good	26.99 \| good	0.197 \| good	5.034 \| good	0.255 \| good
2026-08-10T18:00:00.000Z	33 \| good	4.887 \| good	17.586 \| good	35.52 \| good	0.209 \| good	5.478 \| good	0.242 \| good
2026-08-10T19:00:00.000Z	36 \| good	4.874 \| good	9.288 \| good	39.245 \| good	0.162 \| good	6.727 \| good	0.296 \| good
2026-08-10T20:00:00.000Z	36 \| good	4.874 \| good	9.288 \| good	39.245 \| good	0.162 \| good	6.727 \| good	0.296 \| good
2026-08-10T21:00:00.000Z	40 \| good	5.227 \| good	22.788 \| good	42.852 \| good	0.264 \| good	2.479 \| good	0.188 \| good
2026-08-10T22:00:00.000Z	35 \| good	5.468 \| good	23.302 \| good	38.023 \| good	0.312 \| good	3.375 \| good	0.209 \| good
2026-08-10T23:00:00.000Z	41 \| good	7.417 \| good	32.828 \| good	44.277 \| good	0.409 \| good	4.314 \| good	0.229 \| good
2026-08-11T00:00:00.000Z	47 \| good	8.474 \| good	37.046 \| good	50.694 \| good	0.553 \| good	4.68 \| good	0.237 \| good
2026-08-11T01:00:00.000Z	54 \| moderate	11.115 \| good	49.042 \| good	53.329 \| good	0.66 \| good	4.803 \| good	0.241 \| good
2026-08-11T02:00:00.000Z	58 \| moderate	12.678 \| fine	56.955 \| fine	51.335 \| good	0.737 \| good	4.592 \| good	0.237 \| good
2026-08-11T03:00:00.000Z	60 \| moderate	14.122 \| fine	62.955 \| fine	45.062 \| good	0.761 \| good	4.532 \| good	0.234 \| good
2026-08-11T04:00:00.000Z	64 \| moderate	16.285 \| fine	72.261 \| fine	40.176 \| good	0.741 \| good	4.446 \| good	0.229 \| good
2026-08-11T05:00:00.000Z	64 \| moderate	15.802 \| fine	70.335 \| fine	35.22 \| good	0.685 \| good	4.141 \| good	0.223 \| good
2026-08-11T06:00:00.000Z	56 \| moderate	11.673 \| good	51.866 \| good	30.893 \| good	0.606 \| good	3.678 \| good	0.215 \| good
2026-08-11T07:00:00.000Z	52 \| moderate	10.134 \| good	45.02 \| good	27.528 \| good	0.52 \| good	3.434 \| good	0.211 \| good
2026-08-11T08:00:00.000Z	49 \| good	8.802 \| good	38.623 \| good	23.222 \| good	0.455 \| good	3.082 \| good	0.205 \| good
2026-08-11T09:00:00.000Z	49 \| good	8.532 \| good	37.239 \| good	16.815 \| good	0.385 \| good	2.79 \| good	0.199 \| good
2026-08-11T10:00:00.000Z	49 \| good	8.737 \| good	37.886 \| good	17.887 \| good	0.324 \| good	2.608 \| good	0.194 \| good
2026-08-11T11:00:00.000Z	49 \| good	8.926 \| good	39.117 \| good	19.504 \| good	0.278 \| good	2.433 \| good	0.191 \| good
2026-08-11T12:00:00.000Z	49 \| good	9.265 \| good	41.216 \| good	23.704 \| good	0.265 \| good	2.091 \| good	0.192 \| good
2026-08-11T13:00:00.000Z	49 \| good	8.676 \| good	38.016 \| good	29.908 \| good	0.28 \| good	1.776 \| good	0.195 \| good
2026-08-11T14:00:00.000Z	49 \| good	8.683 \| good	37.949 \| good	37.047 \| good	0.302 \| good	1.533 \| good	0.2 \| good
2026-08-11T15:00:00.000Z	44 \| good	8.321 \| good	36.327 \| good	37.185 \| good	0.323 \| good	1.321 \| good	0.203 \| good
2026-08-11T16:00:00.000Z	44 \| good	7.601 \| good	33.673 \| good	42.081 \| good	0.339 \| good	1.242 \| good	0.207 \| good
2026-08-11T17:00:00.000Z	40 \| good	6.355 \| good	28.09 \| good	42.83 \| good	0.346 \| good	1.544 \| good	0.214 \| good
2026-08-11T18:00:00.000Z	42 \| good	6.804 \| good	30.029 \| good	45.443 \| good	0.344 \| good	2.606 \| good	0.235 \| good
2026-08-11T19:00:00.000Z	43 \| good	6.87 \| good	30.277 \| good	46.291 \| good	0.345 \| good	3.595 \| good	0.254 \| good
2026-08-11T20:00:00.000Z	44 \| good	7.616 \| good	33.436 \| good	45.908 \| good	0.35 \| good	4.423 \| good	0.267 \| good
2026-08-11T21:00:00.000Z	44 \| good	7.977 \| good	35.077 \| good	44.652 \| good	0.348 \| good	5.834 \| good	0.282 \| good
2026-08-11T22:00:00.000Z	44 \| good	7.605 \| good	33.546 \| good	37.686 \| good	0.352 \| good	8.361 \| good	0.307 \| good
2026-08-11T23:00:00.000Z	38 \| good	7.175 \| good	31.692 \| good	35.251 \| good	0.394 \| good	10.516 \| good	0.324 \| good
2026-08-12T00:00:00.000Z	33 \| good	6.324 \| good	27.822 \| good	33.277 \| good	0.48 \| good	9.757 \| good	0.312 \| good
2026-08-12T01:00:00.000Z	33 \| good	6.195 \| good	27.449 \| good	26.291 \| good	0.511 \| good	8.5 \| good	0.296 \| good
2026-08-12T02:00:00.000Z	33 \| good	5.634 \| good	24.248 \| good	23.425 \| good	0.498 \| good	7.09 \| good	0.272 \| good
2026-08-12T03:00:00.000Z	22 \| good	4.374 \| good	19.318 \| good	21.021 \| good	0.503 \| good	7.466 \| good	0.27 \| good
2026-08-12T04:00:00.000Z	22 \| good	4.292 \| good	19 \| good	18.659 \| good	0.5 \| good	7.415 \| good	0.267 \| good
2026-08-12T05:00:00.000Z	22 \| good	4.395 \| good	19.152 \| good	16.903 \| good	0.493 \| good	7.146 \| good	0.262 \| good
2026-08-12T06:00:00.000Z	27 \| good	5.074 \| good	22.127 \| good	14.4 \| good	0.475 \| good	6.478 \| good	0.25 \| good
2026-08-12T07:00:00.000Z	27 \| good	5.31 \| good	23 \| good	13.308 \| good	0.412 \| good	6.092 \| good	0.24 \| good
2026-08-12T08:00:00.000Z	27 \| good	5.423 \| good	23.102 \| good	13.112 \| good	0.317 \| good	5.567 \| good	0.225 \| good
2026-08-12T09:00:00.000Z	27 \| good	4.85 \| good	20.944 \| good	5.764 \| good	0.262 \| good	4.709 \| good	0.205 \| good
2026-08-12T10:00:00.000Z	27 \| good	5.496 \| good	23.359 \| good	4.283 \| good	0.229 \| good	4.192 \| good	0.189 \| good
2026-08-12T11:00:00.000Z	38 \| good	6.805 \| good	30.099 \| good	7.961 \| good	0.191 \| good	3.716 \| good	0.179 \| good
2026-08-12T12:00:00.000Z	44 \| good	7.645 \| good	33.742 \| good	14.529 \| good	0.174 \| good	3.352 \| good	0.178 \| good
2026-08-12T13:00:00.000Z	44 \| good	7.601 \| good	33.299 \| good	21.6 \| good	0.173 \| good	2.883 \| good	0.179 \| good
2026-08-12T14:00:00.000Z	38 \| good	7.21 \| good	31.998 \| good	28.918 \| good	0.175 \| good	2.084 \| good	0.179 \| good
2026-08-12T15:00:00.000Z	33 \| good	6.419 \| good	28.704 \| good	32.165 \| good	0.176 \| good	1.391 \| good	0.179 \| good
2026-08-12T16:00:00.000Z	35 \| good	5.498 \| good	23.664 \| good	37.921 \| good	0.18 \| good	1.084 \| good	0.18 \| good
2026-08-12T17:00:00.000Z	35 \| good	4.132 \| good	18.348 \| good	38.166 \| good	0.187 \| good	1.032 \| good	0.184 \| good
2026-08-12T18:00:00.000Z	33 \| good	3.302 \| good	14.411 \| good	36.396 \| good	0.188 \| good	1.438 \| good	0.196 \| good
2026-08-12T19:00:00.000Z	34 \| good	3.566 \| good	15.786 \| good	36.79 \| good	0.191 \| good	1.683 \| good	0.202 \| good
2026-08-12T20:00:00.000Z	34 \| good	4.459 \| good	19.347 \| good	37.126 \| good	0.189 \| good	1.962 \| good	0.204 \| good

Old Saybrook

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

0.24ppm

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 Old Saybrook, Connecticut?

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

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

In the past 24 hours, the air quality in Old Saybrook, Connecticut was at its worst at 09:00:00 on 2026-08-09.

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

In the last 24 hours, the best air quality in Old Saybrook, Connecticut was observed at 03:00:00 on 2026-08-10.

What is the AQI in Old Saybrook, Connecticut right now?

As of now, the AQI in Old Saybrook, Connecticut is 36, indicating Good conditions.

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

Old Saybrook, Connecticut air has the highest levels of O3.

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

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

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

PM_2.5 levels in Old Saybrook, Connecticut are currently 4.874 μg/m³.

What is the PM₁₀ level in Old Saybrook, Connecticut at the moment?

The PM₁₀ concentration in Old Saybrook, Connecticut is 9.288 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in Old Saybrook, Connecticut is 0.296 ppm.

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

Currently, Old Saybrook, Connecticut has a sulfur dioxide (SO₂) concentration of 0.162 ppb.

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

The current ozone (O₃) level in Old Saybrook, Connecticut at the moment is 39.245 ppm.

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

Nitrogen dioxide (NO₂) level in Old Saybrook, Connecticut at the moment is 6.727 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-08-08T21:00:00.000Z	90 \| moderate	8.984 \| good	40.03 \| good	67.155 \| fine	0.259 \| good	5.93 \| good	0.3 \| good
2026-08-08T22:00:00.000Z	64 \| moderate	8.414 \| good	35.442 \| good	58.92 \| fine	0.168 \| good	4.685 \| good	0.3 \| good
2026-08-08T23:00:00.000Z	58 \| moderate	7.315 \| good	18.706 \| good	56.661 \| fine	0.189 \| good	5.043 \| good	0.211 \| good
2026-08-09T00:00:00.000Z	61 \| moderate	7.286 \| good	21.323 \| good	58.441 \| fine	0.18 \| good	5.618 \| good	0.226 \| good
2026-08-09T01:00:00.000Z	48 \| good	7.253 \| good	35.548 \| good	51.686 \| good	0.219 \| good	10.088 \| good	0.328 \| good
2026-08-09T02:00:00.000Z	42 \| good	6.94 \| good	33.346 \| good	44.72 \| good	0.153 \| good	9.497 \| good	0.313 \| good
2026-08-09T03:00:00.000Z	56 \| moderate	12.016 \| good	53.726 \| good	30.274 \| good	0.416 \| good	3.868 \| good	0.218 \| good
2026-08-09T04:00:00.000Z	49 \| good	8.729 \| good	17.354 \| good	41.886 \| good	0.187 \| good	11.712 \| good	0.369 \| good
2026-08-09T05:00:00.000Z	49 \| good	9.35 \| good	33.608 \| good	38.991 \| good	0.266 \| good	9.598 \| good	0.296 \| good
2026-08-09T06:00:00.000Z	49 \| good	9.435 \| good	31.251 \| good	30.518 \| good	0.287 \| good	8.425 \| good	0.296 \| good
2026-08-09T07:00:00.000Z	49 \| good	9.277 \| good	25.398 \| good	38.505 \| good	0.15 \| good	8.268 \| good	0.286 \| good
2026-08-09T08:00:00.000Z	49 \| good	8.772 \| good	22.856 \| good	21.202 \| good	0.309 \| good	8.594 \| good	0.209 \| good
2026-08-09T09:00:00.000Z	49 \| good	8.661 \| good	40.154 \| good	21.016 \| good	0.287 \| good	7.831 \| good	0.182 \| good
2026-08-09T10:00:00.000Z	49 \| good	8.619 \| good	38.335 \| good	19.889 \| good	0.292 \| good	5.397 \| good	0.182 \| good
2026-08-09T11:00:00.000Z	44 \| good	8.309 \| good	39.777 \| good	24.5 \| good	0.25 \| good	9.266 \| good	0.195 \| good
2026-08-09T12:00:00.000Z	44 \| good	7.728 \| good	38.168 \| good	18.331 \| good	0.139 \| good	7.541 \| good	0.223 \| good
2026-08-09T13:00:00.000Z	44 \| good	8.078 \| good	32.387 \| good	24.221 \| good	0.303 \| good	5.301 \| good	0.236 \| good
2026-08-09T14:00:00.000Z	49 \| good	9.059 \| good	29.309 \| good	30.468 \| good	0.207 \| good	6.328 \| good	0.212 \| good
2026-08-09T15:00:00.000Z	49 \| good	9.469 \| good	29.751 \| good	35.24 \| good	0.333 \| good	3.553 \| good	0.167 \| good
2026-08-09T16:00:00.000Z	52 \| moderate	10.241 \| good	29.219 \| good	42.559 \| good	0.287 \| good	3.596 \| good	0.212 \| good
2026-08-09T17:00:00.000Z	52 \| moderate	9.734 \| good	28.732 \| good	45.194 \| good	0.249 \| good	2.964 \| good	0.212 \| good
2026-08-09T18:00:00.000Z	49 \| good	9.192 \| good	52.771 \| good	47.358 \| good	0.235 \| good	2.817 \| good	0.167 \| good
2026-08-09T19:00:00.000Z	52 \| moderate	10.221 \| good	55.513 \| fine	53.518 \| good	0.25 \| good	1.829 \| good	0.181 \| good
2026-08-09T20:00:00.000Z	54 \| moderate	11.232 \| good	46.399 \| good	53.315 \| good	0.359 \| good	1.906 \| good	0.167 \| good
2026-08-09T21:00:00.000Z	67 \| moderate	9.949 \| good	37.703 \| good	60.331 \| fine	0.366 \| good	2.017 \| good	0.153 \| good
2026-08-09T22:00:00.000Z	54 \| moderate	10.992 \| good	28.809 \| good	45.008 \| good	0.395 \| good	2.133 \| good	0.185 \| good
2026-08-09T23:00:00.000Z	44 \| good	8.316 \| good	23.818 \| good	44.613 \| good	0.308 \| good	3.242 \| good	0.185 \| good
2026-08-10T00:00:00.000Z	49 \| good	9.156 \| good	25.53 \| good	47.697 \| good	0.19 \| good	4.685 \| good	0.198 \| good
2026-08-10T01:00:00.000Z	49 \| good	9.441 \| good	23.127 \| good	44.143 \| good	0.369 \| good	5.209 \| good	0.226 \| good
2026-08-10T02:00:00.000Z	49 \| good	8.528 \| good	24.202 \| good	34.9 \| good	0.322 \| good	6.794 \| good	0.226 \| good
2026-08-10T03:00:00.000Z	22 \| good	4.002 \| good	17.525 \| good	13.987 \| good	0.24 \| good	4.283 \| good	0.187 \| good
2026-08-10T04:00:00.000Z	44 \| good	7.886 \| good	16.298 \| good	28.704 \| good	0.171 \| good	4.482 \| good	0.213 \| good
2026-08-10T05:00:00.000Z	38 \| good	7.148 \| good	15.956 \| good	23.955 \| good	0.335 \| good	7.274 \| good	0.226 \| good
2026-08-10T06:00:00.000Z	38 \| good	6.604 \| good	20.581 \| good	21.643 \| good	0.248 \| good	8.422 \| good	0.254 \| good
2026-08-10T07:00:00.000Z	38 \| good	6.544 \| good	13.981 \| good	18.534 \| good	0.305 \| good	7.105 \| good	0.267 \| good
2026-08-10T08:00:00.000Z	38 \| good	6.735 \| good	17.26 \| good	15.515 \| good	0.337 \| good	8.957 \| good	0.196 \| good
2026-08-10T09:00:00.000Z	33 \| good	6.349 \| good	28.802 \| good	14.289 \| good	0.126 \| good	9.911 \| good	0.181 \| good
2026-08-10T10:00:00.000Z	33 \| good	6.003 \| good	21.524 \| good	13.911 \| good	0.184 \| good	9.993 \| good	0.226 \| good
2026-08-10T11:00:00.000Z	27 \| good	4.904 \| good	15.618 \| good	18.966 \| good	0.19 \| good	10.85 \| good	0.299 \| good
2026-08-10T12:00:00.000Z	27 \| good	4.91 \| good	22.879 \| good	15.768 \| good	0.219 \| good	10.474 \| good	0.271 \| good
2026-08-10T13:00:00.000Z	33 \| good	5.826 \| good	16.25 \| good	16.821 \| good	0.401 \| good	9.167 \| good	0.232 \| good
2026-08-10T14:00:00.000Z	27 \| good	5.274 \| good	25.521 \| good	19.952 \| good	0.295 \| good	6.869 \| good	0.257 \| good
2026-08-10T15:00:00.000Z	27 \| good	5.185 \| good	19.444 \| good	22.06 \| good	0.24 \| good	4.271 \| good	0.199 \| good
2026-08-10T16:00:00.000Z	27 \| good	4.895 \| good	19.017 \| good	25.944 \| good	0.232 \| good	4.883 \| good	0.199 \| good
2026-08-10T17:00:00.000Z	27 \| good	4.666 \| good	15.144 \| good	26.99 \| good	0.197 \| good	5.034 \| good	0.255 \| good
2026-08-10T18:00:00.000Z	33 \| good	4.887 \| good	17.586 \| good	35.52 \| good	0.209 \| good	5.478 \| good	0.242 \| good
2026-08-10T19:00:00.000Z	36 \| good	4.874 \| good	9.288 \| good	39.245 \| good	0.162 \| good	6.727 \| good	0.296 \| good
2026-08-10T20:00:00.000Z	36 \| good	4.874 \| good	9.288 \| good	39.245 \| good	0.162 \| good	6.727 \| good	0.296 \| good
2026-08-10T21:00:00.000Z	40 \| good	5.227 \| good	22.788 \| good	42.852 \| good	0.264 \| good	2.479 \| good	0.188 \| good
2026-08-10T22:00:00.000Z	35 \| good	5.468 \| good	23.302 \| good	38.023 \| good	0.312 \| good	3.375 \| good	0.209 \| good
2026-08-10T23:00:00.000Z	41 \| good	7.417 \| good	32.828 \| good	44.277 \| good	0.409 \| good	4.314 \| good	0.229 \| good
2026-08-11T00:00:00.000Z	47 \| good	8.474 \| good	37.046 \| good	50.694 \| good	0.553 \| good	4.68 \| good	0.237 \| good
2026-08-11T01:00:00.000Z	54 \| moderate	11.115 \| good	49.042 \| good	53.329 \| good	0.66 \| good	4.803 \| good	0.241 \| good
2026-08-11T02:00:00.000Z	58 \| moderate	12.678 \| fine	56.955 \| fine	51.335 \| good	0.737 \| good	4.592 \| good	0.237 \| good
2026-08-11T03:00:00.000Z	60 \| moderate	14.122 \| fine	62.955 \| fine	45.062 \| good	0.761 \| good	4.532 \| good	0.234 \| good
2026-08-11T04:00:00.000Z	64 \| moderate	16.285 \| fine	72.261 \| fine	40.176 \| good	0.741 \| good	4.446 \| good	0.229 \| good
2026-08-11T05:00:00.000Z	64 \| moderate	15.802 \| fine	70.335 \| fine	35.22 \| good	0.685 \| good	4.141 \| good	0.223 \| good
2026-08-11T06:00:00.000Z	56 \| moderate	11.673 \| good	51.866 \| good	30.893 \| good	0.606 \| good	3.678 \| good	0.215 \| good
2026-08-11T07:00:00.000Z	52 \| moderate	10.134 \| good	45.02 \| good	27.528 \| good	0.52 \| good	3.434 \| good	0.211 \| good
2026-08-11T08:00:00.000Z	49 \| good	8.802 \| good	38.623 \| good	23.222 \| good	0.455 \| good	3.082 \| good	0.205 \| good
2026-08-11T09:00:00.000Z	49 \| good	8.532 \| good	37.239 \| good	16.815 \| good	0.385 \| good	2.79 \| good	0.199 \| good
2026-08-11T10:00:00.000Z	49 \| good	8.737 \| good	37.886 \| good	17.887 \| good	0.324 \| good	2.608 \| good	0.194 \| good
2026-08-11T11:00:00.000Z	49 \| good	8.926 \| good	39.117 \| good	19.504 \| good	0.278 \| good	2.433 \| good	0.191 \| good
2026-08-11T12:00:00.000Z	49 \| good	9.265 \| good	41.216 \| good	23.704 \| good	0.265 \| good	2.091 \| good	0.192 \| good
2026-08-11T13:00:00.000Z	49 \| good	8.676 \| good	38.016 \| good	29.908 \| good	0.28 \| good	1.776 \| good	0.195 \| good
2026-08-11T14:00:00.000Z	49 \| good	8.683 \| good	37.949 \| good	37.047 \| good	0.302 \| good	1.533 \| good	0.2 \| good
2026-08-11T15:00:00.000Z	44 \| good	8.321 \| good	36.327 \| good	37.185 \| good	0.323 \| good	1.321 \| good	0.203 \| good
2026-08-11T16:00:00.000Z	44 \| good	7.601 \| good	33.673 \| good	42.081 \| good	0.339 \| good	1.242 \| good	0.207 \| good
2026-08-11T17:00:00.000Z	40 \| good	6.355 \| good	28.09 \| good	42.83 \| good	0.346 \| good	1.544 \| good	0.214 \| good
2026-08-11T18:00:00.000Z	42 \| good	6.804 \| good	30.029 \| good	45.443 \| good	0.344 \| good	2.606 \| good	0.235 \| good
2026-08-11T19:00:00.000Z	43 \| good	6.87 \| good	30.277 \| good	46.291 \| good	0.345 \| good	3.595 \| good	0.254 \| good
2026-08-11T20:00:00.000Z	44 \| good	7.616 \| good	33.436 \| good	45.908 \| good	0.35 \| good	4.423 \| good	0.267 \| good
2026-08-11T21:00:00.000Z	44 \| good	7.977 \| good	35.077 \| good	44.652 \| good	0.348 \| good	5.834 \| good	0.282 \| good
2026-08-11T22:00:00.000Z	44 \| good	7.605 \| good	33.546 \| good	37.686 \| good	0.352 \| good	8.361 \| good	0.307 \| good
2026-08-11T23:00:00.000Z	38 \| good	7.175 \| good	31.692 \| good	35.251 \| good	0.394 \| good	10.516 \| good	0.324 \| good
2026-08-12T00:00:00.000Z	33 \| good	6.324 \| good	27.822 \| good	33.277 \| good	0.48 \| good	9.757 \| good	0.312 \| good
2026-08-12T01:00:00.000Z	33 \| good	6.195 \| good	27.449 \| good	26.291 \| good	0.511 \| good	8.5 \| good	0.296 \| good
2026-08-12T02:00:00.000Z	33 \| good	5.634 \| good	24.248 \| good	23.425 \| good	0.498 \| good	7.09 \| good	0.272 \| good
2026-08-12T03:00:00.000Z	22 \| good	4.374 \| good	19.318 \| good	21.021 \| good	0.503 \| good	7.466 \| good	0.27 \| good
2026-08-12T04:00:00.000Z	22 \| good	4.292 \| good	19 \| good	18.659 \| good	0.5 \| good	7.415 \| good	0.267 \| good
2026-08-12T05:00:00.000Z	22 \| good	4.395 \| good	19.152 \| good	16.903 \| good	0.493 \| good	7.146 \| good	0.262 \| good
2026-08-12T06:00:00.000Z	27 \| good	5.074 \| good	22.127 \| good	14.4 \| good	0.475 \| good	6.478 \| good	0.25 \| good
2026-08-12T07:00:00.000Z	27 \| good	5.31 \| good	23 \| good	13.308 \| good	0.412 \| good	6.092 \| good	0.24 \| good
2026-08-12T08:00:00.000Z	27 \| good	5.423 \| good	23.102 \| good	13.112 \| good	0.317 \| good	5.567 \| good	0.225 \| good
2026-08-12T09:00:00.000Z	27 \| good	4.85 \| good	20.944 \| good	5.764 \| good	0.262 \| good	4.709 \| good	0.205 \| good
2026-08-12T10:00:00.000Z	27 \| good	5.496 \| good	23.359 \| good	4.283 \| good	0.229 \| good	4.192 \| good	0.189 \| good
2026-08-12T11:00:00.000Z	38 \| good	6.805 \| good	30.099 \| good	7.961 \| good	0.191 \| good	3.716 \| good	0.179 \| good
2026-08-12T12:00:00.000Z	44 \| good	7.645 \| good	33.742 \| good	14.529 \| good	0.174 \| good	3.352 \| good	0.178 \| good
2026-08-12T13:00:00.000Z	44 \| good	7.601 \| good	33.299 \| good	21.6 \| good	0.173 \| good	2.883 \| good	0.179 \| good
2026-08-12T14:00:00.000Z	38 \| good	7.21 \| good	31.998 \| good	28.918 \| good	0.175 \| good	2.084 \| good	0.179 \| good
2026-08-12T15:00:00.000Z	33 \| good	6.419 \| good	28.704 \| good	32.165 \| good	0.176 \| good	1.391 \| good	0.179 \| good
2026-08-12T16:00:00.000Z	35 \| good	5.498 \| good	23.664 \| good	37.921 \| good	0.18 \| good	1.084 \| good	0.18 \| good
2026-08-12T17:00:00.000Z	35 \| good	4.132 \| good	18.348 \| good	38.166 \| good	0.187 \| good	1.032 \| good	0.184 \| good
2026-08-12T18:00:00.000Z	33 \| good	3.302 \| good	14.411 \| good	36.396 \| good	0.188 \| good	1.438 \| good	0.196 \| good
2026-08-12T19:00:00.000Z	34 \| good	3.566 \| good	15.786 \| good	36.79 \| good	0.191 \| good	1.683 \| good	0.202 \| good
2026-08-12T20:00:00.000Z	34 \| good	4.459 \| good	19.347 \| good	37.126 \| good	0.189 \| good	1.962 \| good	0.204 \| good

Live air quality index in Old Saybrook, Connecticut today

Major air pollutants in Old Saybrook, Connecticut

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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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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