What is the current concentration of PM10 in Smithtown, New York?

The current PM10 concentration at Smithtown, New York is 13.204 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Smithtown, New York?

The current sulfur dioxide (SO2) concentration at Smithtown, New York is 0.185 ppb.

What is the current concentration of ozone (O3) in Smithtown, New York?

The current ozone (O3) concentration at Smithtown, New York is 25.364 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Smithtown, New York?

The current nitrogen dioxide (NO2) concentration at Smithtown, New York is 1.871 ppb.

Smithtown, New York live air quality index now

Q: What is the current concentration of PM2.5 in Smithtown, New York?

The current PM2.5 concentration at Smithtown, New York is 3.593 μg/m3.

Stay updated with real-time air quality in Smithtown, New York 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

Smithtown, New York

Last updated: ... (Local time)

Major air pollutants in Smithtown, New York

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.64 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

14.34 μg/m³

155

255

425

605+

Ozone (O₃)

23.14 ppb

201

201+

Sulfur Dioxide (SO₂)

0.21 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.22 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.16 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Smithtown, New York

Get Live Pollen Counts

Smithtown, New York

Scroll To Air Quality Map

Track live Smithtown, New York air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-17T11:00:00.000Z	33 \| good	6.329 \| good	20.981 \| good	12.074 \| good	0.189 \| good	12.514 \| good	0.396 \| good
2026-09-17T12:00:00.000Z	33 \| good	5.764 \| good	24.457 \| good	11.956 \| good	0.403 \| good	10.869 \| good	0.431 \| good
2026-09-17T13:00:00.000Z	33 \| good	5.56 \| good	29.467 \| good	11.779 \| good	0.309 \| good	12.051 \| good	0.402 \| good
2026-09-17T14:00:00.000Z	27 \| good	4.738 \| good	22.014 \| good	14.639 \| good	0.445 \| good	8.084 \| good	0.386 \| good
2026-09-17T15:00:00.000Z	27 \| good	4.753 \| good	20.949 \| good	20.66 \| good	0.467 \| good	9.613 \| good	0.347 \| good
2026-09-17T16:00:00.000Z	27 \| good	5.398 \| good	16.879 \| good	27.069 \| good	0.584 \| good	9.57 \| good	0.334 \| good
2026-09-17T17:00:00.000Z	31 \| good	5.359 \| good	20.807 \| good	32.93 \| good	0.588 \| good	12.14 \| good	0.35 \| good
2026-09-17T18:00:00.000Z	38 \| good	6.531 \| good	24.098 \| good	35.583 \| good	0.583 \| good	11.341 \| good	0.331 \| good
2026-09-17T19:00:00.000Z	38 \| good	7.307 \| good	29.562 \| good	41.054 \| good	0.613 \| good	17.663 \| good	0.344 \| good
2026-09-17T20:00:00.000Z	39 \| good	5.452 \| good	23.209 \| good	42.365 \| good	0.429 \| good	4.476 \| good	0.331 \| good
2026-09-17T21:00:00.000Z	39 \| good	5.119 \| good	17.307 \| good	42.006 \| good	0.252 \| good	6.026 \| good	0.315 \| good
2026-09-17T22:00:00.000Z	41 \| good	5.436 \| good	21.433 \| good	44.147 \| good	0.458 \| good	8.8 \| good	0.313 \| good
2026-09-17T23:00:00.000Z	43 \| good	5.722 \| good	18.226 \| good	46.283 \| good	0.393 \| good	7.137 \| good	0.305 \| good
2026-09-18T00:00:00.000Z	39 \| good	5.512 \| good	24.44 \| good	42.237 \| good	0.2 \| good	8.788 \| good	0.353 \| good
2026-09-18T01:00:00.000Z	36 \| good	5.619 \| good	23.476 \| good	38.858 \| good	0.191 \| good	6.766 \| good	0.324 \| good
2026-09-18T02:00:00.000Z	36 \| good	6.385 \| good	22.865 \| good	39.197 \| good	0.2 \| good	7.021 \| good	0.305 \| good
2026-09-18T03:00:00.000Z	37 \| good	5.828 \| good	17.815 \| good	40.083 \| good	0.2 \| good	6.439 \| good	0.345 \| good
2026-09-18T04:00:00.000Z	35 \| good	6.474 \| good	20.39 \| good	38.316 \| good	0.252 \| good	6.734 \| good	0.31 \| good
2026-09-18T05:00:00.000Z	33 \| good	5.857 \| good	23.279 \| good	35.723 \| good	0.304 \| good	7.441 \| good	0.345 \| good
2026-09-18T06:00:00.000Z	33 \| good	5.715 \| good	17.805 \| good	30.602 \| good	0.39 \| good	7.865 \| good	0.29 \| good
2026-09-18T07:00:00.000Z	30 \| good	5.48 \| good	21.886 \| good	31.899 \| good	0.478 \| good	7.499 \| good	0.304 \| good
2026-09-18T08:00:00.000Z	38 \| good	6.64 \| good	25.783 \| good	19.206 \| good	0.367 \| good	7.449 \| good	0.25 \| good
2026-09-18T09:00:00.000Z	44 \| good	7.785 \| good	30.854 \| good	26.505 \| good	0.185 \| good	11.736 \| good	0.271 \| good
2026-09-18T10:00:00.000Z	44 \| good	8.344 \| good	38.458 \| good	29.846 \| good	0.229 \| good	15.532 \| good	0.293 \| good
2026-09-18T11:00:00.000Z	49 \| good	8.526 \| good	44.077 \| good	20.414 \| good	0.23 \| good	11.339 \| good	0.315 \| good
2026-09-18T12:00:00.000Z	38 \| good	7.054 \| good	29.824 \| good	23.783 \| good	0.174 \| good	10.643 \| good	0.336 \| good
2026-09-18T13:00:00.000Z	38 \| good	6.577 \| good	38.066 \| good	23.403 \| good	0.192 \| good	10.042 \| good	0.336 \| good
2026-09-18T14:00:00.000Z	49 \| good	8.698 \| good	39.815 \| good	25.454 \| good	0.381 \| good	3.919 \| good	0.308 \| good
2026-09-18T15:00:00.000Z	38 \| good	7.308 \| good	24.521 \| good	24.043 \| good	0.253 \| good	3.002 \| good	0.271 \| good
2026-09-18T16:00:00.000Z	44 \| good	7.871 \| good	31.622 \| good	27.486 \| good	4.346 \| good	3.154 \| good	0.234 \| good
2026-09-18T17:00:00.000Z	27 \| good	4.992 \| good	21.057 \| good	28.888 \| good	2.643 \| good	3.859 \| good	0.218 \| good
2026-09-18T18:00:00.000Z	30 \| good	5.239 \| good	11.686 \| good	31.803 \| good	0.343 \| good	4.173 \| good	0.218 \| good
2026-09-18T19:00:00.000Z	32 \| good	5.118 \| good	16.461 \| good	35.074 \| good	0.286 \| good	4.621 \| good	0.2 \| good
2026-09-18T20:00:00.000Z	32 \| good	4.842 \| good	15.382 \| good	34.608 \| good	0.335 \| good	4.268 \| good	0.2 \| good
2026-09-18T21:00:00.000Z	32 \| good	3.052 \| good	10.102 \| good	35.244 \| good	0.354 \| good	4.019 \| good	0.2 \| good
2026-09-18T22:00:00.000Z	33 \| good	4.18 \| good	14.451 \| good	36.133 \| good	0.387 \| good	5.184 \| good	0.22 \| good
2026-09-18T23:00:00.000Z	32 \| good	3.795 \| good	11.046 \| good	34.615 \| good	0.24 \| good	5.116 \| good	0.255 \| good
2026-09-19T00:00:00.000Z	31 \| good	4.014 \| good	13.783 \| good	32.838 \| good	0.256 \| good	6.711 \| good	0.283 \| good
2026-09-19T01:00:00.000Z	31 \| good	4.07 \| good	12.021 \| good	32.936 \| good	0.144 \| good	7.85 \| good	0.283 \| good
2026-09-19T02:00:00.000Z	29 \| good	3.549 \| good	12.283 \| good	30.779 \| good	0.177 \| good	6.333 \| good	0.307 \| good
2026-09-19T03:00:00.000Z	24 \| good	1.702 \| good	7.192 \| good	26.252 \| good	0.299 \| good	4.606 \| good	0.204 \| good
2026-09-19T04:00:00.000Z	27 \| good	4.879 \| good	13.128 \| good	28.523 \| good	0.225 \| good	4.46 \| good	0.244 \| good
2026-09-19T05:00:00.000Z	27 \| good	4.769 \| good	9.69 \| good	23.139 \| good	0.303 \| good	3.634 \| good	0.216 \| good
2026-09-19T06:00:00.000Z	27 \| good	4.592 \| good	10.412 \| good	23.255 \| good	0.304 \| good	3.262 \| good	0.218 \| good
2026-09-19T07:00:00.000Z	22 \| good	4.234 \| good	16.242 \| good	23.045 \| good	0.302 \| good	2.36 \| good	0.218 \| good
2026-09-19T08:00:00.000Z	22 \| good	3.754 \| good	13.998 \| good	23.47 \| good	0.272 \| good	1.782 \| good	0.157 \| good
2026-09-19T09:00:00.000Z	23 \| good	3.593 \| good	13.204 \| good	25.364 \| good	0.185 \| good	1.871 \| good	0.179 \| good
2026-09-19T10:00:00.000Z	22 \| good	3.638 \| good	14.336 \| good	23.135 \| good	0.215 \| good	2.222 \| good	0.16 \| good
2026-09-19T10:00:00.000Z	22 \| good	3.638 \| good	14.336 \| good	23.135 \| good	0.215 \| good	2.222 \| good	0.16 \| good
2026-09-19T11:00:00.000Z	23 \| good	0.207 \| good	0.269 \| good	24.891 \| good	0.452 \| good	2.421 \| good	0.194 \| good
2026-09-19T12:00:00.000Z	22 \| good	0.427 \| good	1.883 \| good	24.201 \| good	0.486 \| good	3.003 \| good	0.199 \| good
2026-09-19T13:00:00.000Z	24 \| good	1 \| good	4.081 \| good	25.7 \| good	0.502 \| good	3.071 \| good	0.202 \| good
2026-09-19T14:00:00.000Z	26 \| good	1.786 \| good	7.154 \| good	27.706 \| good	0.488 \| good	2.764 \| good	0.201 \| good
2026-09-19T15:00:00.000Z	29 \| good	2.781 \| good	11.211 \| good	31.427 \| good	0.451 \| good	2.097 \| good	0.198 \| good
2026-09-19T16:00:00.000Z	32 \| good	2.844 \| good	12.07 \| good	35.276 \| good	0.41 \| good	1.484 \| good	0.195 \| good
2026-09-19T17:00:00.000Z	34 \| good	2.649 \| good	11.109 \| good	36.864 \| good	0.379 \| good	1.119 \| good	0.192 \| good
2026-09-19T18:00:00.000Z	35 \| good	2.858 \| good	12.039 \| good	37.719 \| good	0.354 \| good	0.922 \| good	0.188 \| good
2026-09-19T19:00:00.000Z	35 \| good	2.898 \| good	11.915 \| good	37.916 \| good	0.329 \| good	0.828 \| good	0.185 \| good
2026-09-19T20:00:00.000Z	34 \| good	2.783 \| good	11.719 \| good	37.391 \| good	0.304 \| good	0.814 \| good	0.183 \| good
2026-09-19T21:00:00.000Z	33 \| good	2.591 \| good	10.786 \| good	35.918 \| good	0.282 \| good	0.93 \| good	0.181 \| good
2026-09-19T22:00:00.000Z	32 \| good	2.283 \| good	9.125 \| good	34.625 \| good	0.261 \| good	1.222 \| good	0.18 \| good
2026-09-19T23:00:00.000Z	30 \| good	2.329 \| good	9.928 \| good	31.725 \| good	0.237 \| good	2.283 \| good	0.184 \| good
2026-09-20T00:00:00.000Z	22 \| good	2.781 \| good	11.26 \| good	24.242 \| good	0.225 \| good	3.224 \| good	0.186 \| good
2026-09-20T01:00:00.000Z	22 \| good	3.556 \| good	15.727 \| good	21.149 \| good	0.215 \| good	3.275 \| good	0.182 \| good
2026-09-20T02:00:00.000Z	19 \| good	3.07 \| good	13.393 \| good	19.981 \| good	0.212 \| good	3.278 \| good	0.179 \| good
2026-09-20T03:00:00.000Z	19 \| good	3.049 \| good	13.463 \| good	20.458 \| good	0.212 \| good	3.206 \| good	0.177 \| good
2026-09-20T04:00:00.000Z	20 \| good	2.447 \| good	9.953 \| good	21.764 \| good	0.21 \| good	2.756 \| good	0.175 \| good
2026-09-20T05:00:00.000Z	19 \| good	2.159 \| good	8.953 \| good	20.935 \| good	0.209 \| good	2.184 \| good	0.172 \| good
2026-09-20T06:00:00.000Z	18 \| good	2.187 \| good	9.055 \| good	19.362 \| good	0.208 \| good	1.883 \| good	0.169 \| good
2026-09-20T07:00:00.000Z	16 \| good	2.111 \| good	8.882 \| good	17.436 \| good	0.21 \| good	1.753 \| good	0.168 \| good
2026-09-20T08:00:00.000Z	15 \| good	1.75 \| good	6.989 \| good	16.297 \| good	0.214 \| good	1.732 \| good	0.168 \| good
2026-09-20T09:00:00.000Z	14 \| good	1.442 \| good	5.882 \| good	14.569 \| good	0.217 \| good	1.754 \| good	0.168 \| good
2026-09-20T10:00:00.000Z	15 \| good	2.145 \| good	8.935 \| good	15.753 \| good	0.226 \| good	1.814 \| good	0.169 \| good
2026-09-20T11:00:00.000Z	15 \| good	2.283 \| good	9.164 \| good	16.04 \| good	0.235 \| good	2.117 \| good	0.172 \| good
2026-09-20T12:00:00.000Z	17 \| good	2.41 \| good	9.917 \| good	17.611 \| good	0.231 \| good	2.484 \| good	0.176 \| good
2026-09-20T13:00:00.000Z	19 \| good	2.003 \| good	8.014 \| good	21.436 \| good	0.225 \| good	2.943 \| good	0.181 \| good
2026-09-20T14:00:00.000Z	22 \| good	1.561 \| good	6.664 \| good	23.846 \| good	0.221 \| good	1.456 \| good	0.174 \| good
2026-09-20T15:00:00.000Z	24 \| good	2.048 \| good	7.982 \| good	26.101 \| good	0.228 \| good	0.917 \| good	0.171 \| good
2026-09-20T16:00:00.000Z	27 \| good	1.405 \| good	5.846 \| good	28.769 \| good	0.226 \| good	0.828 \| good	0.171 \| good
2026-09-20T17:00:00.000Z	28 \| good	1.172 \| good	4.89 \| good	30.394 \| good	0.219 \| good	0.843 \| good	0.17 \| good
2026-09-20T18:00:00.000Z	30 \| good	1.113 \| good	4.774 \| good	31.54 \| good	0.206 \| good	0.919 \| good	0.17 \| good
2026-09-20T19:00:00.000Z	29 \| good	0.867 \| good	3.078 \| good	30.946 \| good	0.198 \| good	1.312 \| good	0.171 \| good
2026-09-20T20:00:00.000Z	28 \| good	0.882 \| good	3.216 \| good	29.749 \| good	0.214 \| good	1.772 \| good	0.172 \| good
2026-09-20T21:00:00.000Z	28 \| good	1.775 \| good	7.186 \| good	30.249 \| good	0.235 \| good	2.283 \| good	0.174 \| good
2026-09-20T22:00:00.000Z	29 \| good	2.585 \| good	10.186 \| good	31.032 \| good	0.258 \| good	3.074 \| good	0.177 \| good
2026-09-20T23:00:00.000Z	31 \| good	2.367 \| good	9.953 \| good	33.145 \| good	0.307 \| good	4.005 \| good	0.178 \| good
2026-09-21T00:00:00.000Z	29 \| good	2.464 \| good	10.144 \| good	30.712 \| good	0.374 \| good	5.302 \| good	0.181 \| good
2026-09-21T01:00:00.000Z	28 \| good	2.184 \| good	9.007 \| good	30.238 \| good	0.442 \| good	7.348 \| good	0.188 \| good
2026-09-21T02:00:00.000Z	26 \| good	2.281 \| good	9.172 \| good	28.406 \| good	0.53 \| good	9.508 \| good	0.198 \| good
2026-09-21T03:00:00.000Z	25 \| good	2.427 \| good	10 \| good	26.73 \| good	0.606 \| good	11.089 \| good	0.212 \| good
2026-09-21T04:00:00.000Z	27 \| good	2.367 \| good	9.907 \| good	28.695 \| good	0.506 \| good	7.172 \| good	0.212 \| good
2026-09-21T05:00:00.000Z	25 \| good	1.718 \| good	7.171 \| good	26.666 \| good	0.33 \| good	3.524 \| good	0.199 \| good
2026-09-21T06:00:00.000Z	22 \| good	1.67 \| good	7.024 \| good	24.159 \| good	0.248 \| good	2.328 \| good	0.19 \| good
2026-09-21T07:00:00.000Z	19 \| good	2.419 \| good	9.929 \| good	21.033 \| good	0.227 \| good	2.081 \| good	0.185 \| good
2026-09-21T08:00:00.000Z	18 \| good	2.887 \| good	12.088 \| good	19.201 \| good	0.223 \| good	2.047 \| good	0.183 \| good
2026-09-21T09:00:00.000Z	44 \| good	7.946 \| good	34.808 \| good	13.45 \| good	0.227 \| good	1.911 \| good	0.182 \| good
2026-09-21T10:00:00.000Z	52 \| moderate	10.365 \| good	45.939 \| good	15.172 \| good	0.237 \| good	1.811 \| good	0.181 \| good

Smithtown

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Smithtown, New York air quality map: Track AQI near you

0.18ppm

How accurate is New York, USA air quality data?

Air quality data and pollutant measurements for New York, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.

Source: Ambee Data Sources

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Frequently asked questions

How often is the air quality data for Smithtown, New York updated?

The air quality for Smithtown, New York is updated every hour.

When was the worst air quality at Smithtown, New York in the last 24 hrs?

The worst air quality in Smithtown, New York in the last 24 hours was observed at 02:00:00 on 2026-09-18.

When was the best air quality at Smithtown, New York in the last 24 hrs?

In the last 24 hrs, the best air quality in Smithtown, New York was observed at 08:00:00 on 2026-09-19.

What is the current air quality in Smithtown, New York?

The current air quality in Smithtown, New York is 23, categorized as Good based on real-time data.

What pollutant is the most common in Smithtown, New York?

The most common pollutant in Smithtown, New York is O3.

What should I do if the air quality in Smithtown, New York is poor?

If the air quality in Smithtown, New York is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Smithtown, New York?

The current PM_2.5 concentration at Smithtown, New York is 3.593 μg/m³.

What is the current concentration of PM₁₀ in Smithtown, New York?

The current PM₁₀ concentration at Smithtown, New York is 13.204 μg/m³.

What is the current concentration of carbon monoxide (CO) in Smithtown, New York?

The current carbon monoxide (CO) concentration at Smithtown, New York is 0.179 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Smithtown, New York?

The current sulfur dioxide (SO₂) concentration at Smithtown, New York is 0.185 ppb.

What is the current concentration of ozone (O₃) in Smithtown, New York?

The current ozone (O₃) concentration at Smithtown, New York is 25.364 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Smithtown, New York?

The current nitrogen dioxide (NO₂) concentration at Smithtown, New York is 1.871 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-17T11:00:00.000Z	33 \| good	6.329 \| good	20.981 \| good	12.074 \| good	0.189 \| good	12.514 \| good	0.396 \| good
2026-09-17T12:00:00.000Z	33 \| good	5.764 \| good	24.457 \| good	11.956 \| good	0.403 \| good	10.869 \| good	0.431 \| good
2026-09-17T13:00:00.000Z	33 \| good	5.56 \| good	29.467 \| good	11.779 \| good	0.309 \| good	12.051 \| good	0.402 \| good
2026-09-17T14:00:00.000Z	27 \| good	4.738 \| good	22.014 \| good	14.639 \| good	0.445 \| good	8.084 \| good	0.386 \| good
2026-09-17T15:00:00.000Z	27 \| good	4.753 \| good	20.949 \| good	20.66 \| good	0.467 \| good	9.613 \| good	0.347 \| good
2026-09-17T16:00:00.000Z	27 \| good	5.398 \| good	16.879 \| good	27.069 \| good	0.584 \| good	9.57 \| good	0.334 \| good
2026-09-17T17:00:00.000Z	31 \| good	5.359 \| good	20.807 \| good	32.93 \| good	0.588 \| good	12.14 \| good	0.35 \| good
2026-09-17T18:00:00.000Z	38 \| good	6.531 \| good	24.098 \| good	35.583 \| good	0.583 \| good	11.341 \| good	0.331 \| good
2026-09-17T19:00:00.000Z	38 \| good	7.307 \| good	29.562 \| good	41.054 \| good	0.613 \| good	17.663 \| good	0.344 \| good
2026-09-17T20:00:00.000Z	39 \| good	5.452 \| good	23.209 \| good	42.365 \| good	0.429 \| good	4.476 \| good	0.331 \| good
2026-09-17T21:00:00.000Z	39 \| good	5.119 \| good	17.307 \| good	42.006 \| good	0.252 \| good	6.026 \| good	0.315 \| good
2026-09-17T22:00:00.000Z	41 \| good	5.436 \| good	21.433 \| good	44.147 \| good	0.458 \| good	8.8 \| good	0.313 \| good
2026-09-17T23:00:00.000Z	43 \| good	5.722 \| good	18.226 \| good	46.283 \| good	0.393 \| good	7.137 \| good	0.305 \| good
2026-09-18T00:00:00.000Z	39 \| good	5.512 \| good	24.44 \| good	42.237 \| good	0.2 \| good	8.788 \| good	0.353 \| good
2026-09-18T01:00:00.000Z	36 \| good	5.619 \| good	23.476 \| good	38.858 \| good	0.191 \| good	6.766 \| good	0.324 \| good
2026-09-18T02:00:00.000Z	36 \| good	6.385 \| good	22.865 \| good	39.197 \| good	0.2 \| good	7.021 \| good	0.305 \| good
2026-09-18T03:00:00.000Z	37 \| good	5.828 \| good	17.815 \| good	40.083 \| good	0.2 \| good	6.439 \| good	0.345 \| good
2026-09-18T04:00:00.000Z	35 \| good	6.474 \| good	20.39 \| good	38.316 \| good	0.252 \| good	6.734 \| good	0.31 \| good
2026-09-18T05:00:00.000Z	33 \| good	5.857 \| good	23.279 \| good	35.723 \| good	0.304 \| good	7.441 \| good	0.345 \| good
2026-09-18T06:00:00.000Z	33 \| good	5.715 \| good	17.805 \| good	30.602 \| good	0.39 \| good	7.865 \| good	0.29 \| good
2026-09-18T07:00:00.000Z	30 \| good	5.48 \| good	21.886 \| good	31.899 \| good	0.478 \| good	7.499 \| good	0.304 \| good
2026-09-18T08:00:00.000Z	38 \| good	6.64 \| good	25.783 \| good	19.206 \| good	0.367 \| good	7.449 \| good	0.25 \| good
2026-09-18T09:00:00.000Z	44 \| good	7.785 \| good	30.854 \| good	26.505 \| good	0.185 \| good	11.736 \| good	0.271 \| good
2026-09-18T10:00:00.000Z	44 \| good	8.344 \| good	38.458 \| good	29.846 \| good	0.229 \| good	15.532 \| good	0.293 \| good
2026-09-18T11:00:00.000Z	49 \| good	8.526 \| good	44.077 \| good	20.414 \| good	0.23 \| good	11.339 \| good	0.315 \| good
2026-09-18T12:00:00.000Z	38 \| good	7.054 \| good	29.824 \| good	23.783 \| good	0.174 \| good	10.643 \| good	0.336 \| good
2026-09-18T13:00:00.000Z	38 \| good	6.577 \| good	38.066 \| good	23.403 \| good	0.192 \| good	10.042 \| good	0.336 \| good
2026-09-18T14:00:00.000Z	49 \| good	8.698 \| good	39.815 \| good	25.454 \| good	0.381 \| good	3.919 \| good	0.308 \| good
2026-09-18T15:00:00.000Z	38 \| good	7.308 \| good	24.521 \| good	24.043 \| good	0.253 \| good	3.002 \| good	0.271 \| good
2026-09-18T16:00:00.000Z	44 \| good	7.871 \| good	31.622 \| good	27.486 \| good	4.346 \| good	3.154 \| good	0.234 \| good
2026-09-18T17:00:00.000Z	27 \| good	4.992 \| good	21.057 \| good	28.888 \| good	2.643 \| good	3.859 \| good	0.218 \| good
2026-09-18T18:00:00.000Z	30 \| good	5.239 \| good	11.686 \| good	31.803 \| good	0.343 \| good	4.173 \| good	0.218 \| good
2026-09-18T19:00:00.000Z	32 \| good	5.118 \| good	16.461 \| good	35.074 \| good	0.286 \| good	4.621 \| good	0.2 \| good
2026-09-18T20:00:00.000Z	32 \| good	4.842 \| good	15.382 \| good	34.608 \| good	0.335 \| good	4.268 \| good	0.2 \| good
2026-09-18T21:00:00.000Z	32 \| good	3.052 \| good	10.102 \| good	35.244 \| good	0.354 \| good	4.019 \| good	0.2 \| good
2026-09-18T22:00:00.000Z	33 \| good	4.18 \| good	14.451 \| good	36.133 \| good	0.387 \| good	5.184 \| good	0.22 \| good
2026-09-18T23:00:00.000Z	32 \| good	3.795 \| good	11.046 \| good	34.615 \| good	0.24 \| good	5.116 \| good	0.255 \| good
2026-09-19T00:00:00.000Z	31 \| good	4.014 \| good	13.783 \| good	32.838 \| good	0.256 \| good	6.711 \| good	0.283 \| good
2026-09-19T01:00:00.000Z	31 \| good	4.07 \| good	12.021 \| good	32.936 \| good	0.144 \| good	7.85 \| good	0.283 \| good
2026-09-19T02:00:00.000Z	29 \| good	3.549 \| good	12.283 \| good	30.779 \| good	0.177 \| good	6.333 \| good	0.307 \| good
2026-09-19T03:00:00.000Z	24 \| good	1.702 \| good	7.192 \| good	26.252 \| good	0.299 \| good	4.606 \| good	0.204 \| good
2026-09-19T04:00:00.000Z	27 \| good	4.879 \| good	13.128 \| good	28.523 \| good	0.225 \| good	4.46 \| good	0.244 \| good
2026-09-19T05:00:00.000Z	27 \| good	4.769 \| good	9.69 \| good	23.139 \| good	0.303 \| good	3.634 \| good	0.216 \| good
2026-09-19T06:00:00.000Z	27 \| good	4.592 \| good	10.412 \| good	23.255 \| good	0.304 \| good	3.262 \| good	0.218 \| good
2026-09-19T07:00:00.000Z	22 \| good	4.234 \| good	16.242 \| good	23.045 \| good	0.302 \| good	2.36 \| good	0.218 \| good
2026-09-19T08:00:00.000Z	22 \| good	3.754 \| good	13.998 \| good	23.47 \| good	0.272 \| good	1.782 \| good	0.157 \| good
2026-09-19T09:00:00.000Z	23 \| good	3.593 \| good	13.204 \| good	25.364 \| good	0.185 \| good	1.871 \| good	0.179 \| good
2026-09-19T10:00:00.000Z	22 \| good	3.638 \| good	14.336 \| good	23.135 \| good	0.215 \| good	2.222 \| good	0.16 \| good
2026-09-19T10:00:00.000Z	22 \| good	3.638 \| good	14.336 \| good	23.135 \| good	0.215 \| good	2.222 \| good	0.16 \| good
2026-09-19T11:00:00.000Z	23 \| good	0.207 \| good	0.269 \| good	24.891 \| good	0.452 \| good	2.421 \| good	0.194 \| good
2026-09-19T12:00:00.000Z	22 \| good	0.427 \| good	1.883 \| good	24.201 \| good	0.486 \| good	3.003 \| good	0.199 \| good
2026-09-19T13:00:00.000Z	24 \| good	1 \| good	4.081 \| good	25.7 \| good	0.502 \| good	3.071 \| good	0.202 \| good
2026-09-19T14:00:00.000Z	26 \| good	1.786 \| good	7.154 \| good	27.706 \| good	0.488 \| good	2.764 \| good	0.201 \| good
2026-09-19T15:00:00.000Z	29 \| good	2.781 \| good	11.211 \| good	31.427 \| good	0.451 \| good	2.097 \| good	0.198 \| good
2026-09-19T16:00:00.000Z	32 \| good	2.844 \| good	12.07 \| good	35.276 \| good	0.41 \| good	1.484 \| good	0.195 \| good
2026-09-19T17:00:00.000Z	34 \| good	2.649 \| good	11.109 \| good	36.864 \| good	0.379 \| good	1.119 \| good	0.192 \| good
2026-09-19T18:00:00.000Z	35 \| good	2.858 \| good	12.039 \| good	37.719 \| good	0.354 \| good	0.922 \| good	0.188 \| good
2026-09-19T19:00:00.000Z	35 \| good	2.898 \| good	11.915 \| good	37.916 \| good	0.329 \| good	0.828 \| good	0.185 \| good
2026-09-19T20:00:00.000Z	34 \| good	2.783 \| good	11.719 \| good	37.391 \| good	0.304 \| good	0.814 \| good	0.183 \| good
2026-09-19T21:00:00.000Z	33 \| good	2.591 \| good	10.786 \| good	35.918 \| good	0.282 \| good	0.93 \| good	0.181 \| good
2026-09-19T22:00:00.000Z	32 \| good	2.283 \| good	9.125 \| good	34.625 \| good	0.261 \| good	1.222 \| good	0.18 \| good
2026-09-19T23:00:00.000Z	30 \| good	2.329 \| good	9.928 \| good	31.725 \| good	0.237 \| good	2.283 \| good	0.184 \| good
2026-09-20T00:00:00.000Z	22 \| good	2.781 \| good	11.26 \| good	24.242 \| good	0.225 \| good	3.224 \| good	0.186 \| good
2026-09-20T01:00:00.000Z	22 \| good	3.556 \| good	15.727 \| good	21.149 \| good	0.215 \| good	3.275 \| good	0.182 \| good
2026-09-20T02:00:00.000Z	19 \| good	3.07 \| good	13.393 \| good	19.981 \| good	0.212 \| good	3.278 \| good	0.179 \| good
2026-09-20T03:00:00.000Z	19 \| good	3.049 \| good	13.463 \| good	20.458 \| good	0.212 \| good	3.206 \| good	0.177 \| good
2026-09-20T04:00:00.000Z	20 \| good	2.447 \| good	9.953 \| good	21.764 \| good	0.21 \| good	2.756 \| good	0.175 \| good
2026-09-20T05:00:00.000Z	19 \| good	2.159 \| good	8.953 \| good	20.935 \| good	0.209 \| good	2.184 \| good	0.172 \| good
2026-09-20T06:00:00.000Z	18 \| good	2.187 \| good	9.055 \| good	19.362 \| good	0.208 \| good	1.883 \| good	0.169 \| good
2026-09-20T07:00:00.000Z	16 \| good	2.111 \| good	8.882 \| good	17.436 \| good	0.21 \| good	1.753 \| good	0.168 \| good
2026-09-20T08:00:00.000Z	15 \| good	1.75 \| good	6.989 \| good	16.297 \| good	0.214 \| good	1.732 \| good	0.168 \| good
2026-09-20T09:00:00.000Z	14 \| good	1.442 \| good	5.882 \| good	14.569 \| good	0.217 \| good	1.754 \| good	0.168 \| good
2026-09-20T10:00:00.000Z	15 \| good	2.145 \| good	8.935 \| good	15.753 \| good	0.226 \| good	1.814 \| good	0.169 \| good
2026-09-20T11:00:00.000Z	15 \| good	2.283 \| good	9.164 \| good	16.04 \| good	0.235 \| good	2.117 \| good	0.172 \| good
2026-09-20T12:00:00.000Z	17 \| good	2.41 \| good	9.917 \| good	17.611 \| good	0.231 \| good	2.484 \| good	0.176 \| good
2026-09-20T13:00:00.000Z	19 \| good	2.003 \| good	8.014 \| good	21.436 \| good	0.225 \| good	2.943 \| good	0.181 \| good
2026-09-20T14:00:00.000Z	22 \| good	1.561 \| good	6.664 \| good	23.846 \| good	0.221 \| good	1.456 \| good	0.174 \| good
2026-09-20T15:00:00.000Z	24 \| good	2.048 \| good	7.982 \| good	26.101 \| good	0.228 \| good	0.917 \| good	0.171 \| good
2026-09-20T16:00:00.000Z	27 \| good	1.405 \| good	5.846 \| good	28.769 \| good	0.226 \| good	0.828 \| good	0.171 \| good
2026-09-20T17:00:00.000Z	28 \| good	1.172 \| good	4.89 \| good	30.394 \| good	0.219 \| good	0.843 \| good	0.17 \| good
2026-09-20T18:00:00.000Z	30 \| good	1.113 \| good	4.774 \| good	31.54 \| good	0.206 \| good	0.919 \| good	0.17 \| good
2026-09-20T19:00:00.000Z	29 \| good	0.867 \| good	3.078 \| good	30.946 \| good	0.198 \| good	1.312 \| good	0.171 \| good
2026-09-20T20:00:00.000Z	28 \| good	0.882 \| good	3.216 \| good	29.749 \| good	0.214 \| good	1.772 \| good	0.172 \| good
2026-09-20T21:00:00.000Z	28 \| good	1.775 \| good	7.186 \| good	30.249 \| good	0.235 \| good	2.283 \| good	0.174 \| good
2026-09-20T22:00:00.000Z	29 \| good	2.585 \| good	10.186 \| good	31.032 \| good	0.258 \| good	3.074 \| good	0.177 \| good
2026-09-20T23:00:00.000Z	31 \| good	2.367 \| good	9.953 \| good	33.145 \| good	0.307 \| good	4.005 \| good	0.178 \| good
2026-09-21T00:00:00.000Z	29 \| good	2.464 \| good	10.144 \| good	30.712 \| good	0.374 \| good	5.302 \| good	0.181 \| good
2026-09-21T01:00:00.000Z	28 \| good	2.184 \| good	9.007 \| good	30.238 \| good	0.442 \| good	7.348 \| good	0.188 \| good
2026-09-21T02:00:00.000Z	26 \| good	2.281 \| good	9.172 \| good	28.406 \| good	0.53 \| good	9.508 \| good	0.198 \| good
2026-09-21T03:00:00.000Z	25 \| good	2.427 \| good	10 \| good	26.73 \| good	0.606 \| good	11.089 \| good	0.212 \| good
2026-09-21T04:00:00.000Z	27 \| good	2.367 \| good	9.907 \| good	28.695 \| good	0.506 \| good	7.172 \| good	0.212 \| good
2026-09-21T05:00:00.000Z	25 \| good	1.718 \| good	7.171 \| good	26.666 \| good	0.33 \| good	3.524 \| good	0.199 \| good
2026-09-21T06:00:00.000Z	22 \| good	1.67 \| good	7.024 \| good	24.159 \| good	0.248 \| good	2.328 \| good	0.19 \| good
2026-09-21T07:00:00.000Z	19 \| good	2.419 \| good	9.929 \| good	21.033 \| good	0.227 \| good	2.081 \| good	0.185 \| good
2026-09-21T08:00:00.000Z	18 \| good	2.887 \| good	12.088 \| good	19.201 \| good	0.223 \| good	2.047 \| good	0.183 \| good
2026-09-21T09:00:00.000Z	44 \| good	7.946 \| good	34.808 \| good	13.45 \| good	0.227 \| good	1.911 \| good	0.182 \| good
2026-09-21T10:00:00.000Z	52 \| moderate	10.365 \| good	45.939 \| good	15.172 \| good	0.237 \| good	1.811 \| good	0.181 \| good

Smithtown, New York live air quality index now

Major air pollutants in Smithtown, New York

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Air quality in nearby cities

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Frequently asked questions

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What is the current concentration of PM2.5 in Smithtown, New York?

What is the current concentration of PM10 in Smithtown, New York?

What is the current concentration of carbon monoxide (CO) in Smithtown, New York?

What is the current concentration of sulfur dioxide (SO2) in Smithtown, New York?

What is the current concentration of ozone (O3) in Smithtown, New York?

What is the current concentration of nitrogen dioxide (NO2) in Smithtown, New York?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the current concentration of PM_2.5 in Smithtown, New York?

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What is the current concentration of ozone (O₃) in Smithtown, New York?

What is the current concentration of nitrogen dioxide (NO₂) in Smithtown, New York?