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

The current PM10 concentration at Smithtown, New York is 14.456 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 0.172 ppb.

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

The current ozone (O3) concentration at Smithtown, New York is 43.135 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 2.678 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 4.511 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)

4.51 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

14.46 μg/m³

155

255

425

605+

Ozone (O₃)

43.13 ppb

201

201+

Sulfur Dioxide (SO₂)

0.17 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.68 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.21 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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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
2026-03-14T00:00:00.000Z	36 \| good	4.641 \| good	17.173 \| good	38.542 \| good	0.163 \| good	4.198 \| good	0.237 \| good
2026-03-14T01:00:00.000Z	38 \| good	4.968 \| good	23.401 \| good	40.768 \| good	0.179 \| good	4.288 \| good	0.237 \| good
2026-03-14T02:00:00.000Z	38 \| good	4.791 \| good	19.057 \| good	41.427 \| good	0.121 \| good	4.647 \| good	0.218 \| good
2026-03-14T03:00:00.000Z	38 \| good	5.628 \| good	20.964 \| good	41.321 \| good	0.11 \| good	4.175 \| good	0.19 \| good
2026-03-14T04:00:00.000Z	33 \| good	6.221 \| good	14.763 \| good	36.343 \| good	0.122 \| good	3.975 \| good	0.218 \| good
2026-03-14T05:00:00.000Z	44 \| good	8.028 \| good	36.901 \| good	37.183 \| good	0.123 \| good	3.997 \| good	0.218 \| good
2026-03-14T06:00:00.000Z	44 \| good	8.02 \| good	29.153 \| good	37.673 \| good	0.123 \| good	4.54 \| good	0.221 \| good
2026-03-14T07:00:00.000Z	44 \| good	8.35 \| good	30.803 \| good	39.753 \| good	0.122 \| good	6.224 \| good	0.221 \| good
2026-03-14T08:00:00.000Z	38 \| good	6.734 \| good	22.774 \| good	27.99 \| good	0.17 \| good	13.597 \| good	0.25 \| good
2026-03-14T09:00:00.000Z	38 \| good	7.026 \| good	29.149 \| good	30.011 \| good	0.355 \| good	21.008 \| good	0.266 \| good
2026-03-14T10:00:00.000Z	38 \| good	6.807 \| good	30.808 \| good	26.647 \| good	0.25 \| good	25.933 \| good	0.253 \| good
2026-03-14T11:00:00.000Z	38 \| good	7.263 \| good	21.78 \| good	21.83 \| good	0.275 \| good	24.6 \| good	0.323 \| good
2026-03-14T12:00:00.000Z	38 \| good	7.03 \| good	19.329 \| good	29.872 \| good	0.211 \| good	28.078 \| good	0.307 \| good
2026-03-14T13:00:00.000Z	44 \| good	7.538 \| good	23.052 \| good	17.252 \| good	0.209 \| good	27.734 \| good	0.291 \| good
2026-03-14T14:00:00.000Z	33 \| good	5.876 \| good	26.126 \| good	16.387 \| good	0.149 \| good	6.664 \| good	0.221 \| good
2026-03-14T15:00:00.000Z	24 \| good	4.16 \| good	12.837 \| good	26.171 \| good	0.1 \| good	4.931 \| good	0.203 \| good
2026-03-14T16:00:00.000Z	26 \| good	3.096 \| good	15.402 \| good	27.656 \| good	0.109 \| good	3.147 \| good	0.203 \| good
2026-03-14T17:00:00.000Z	28 \| good	2.724 \| good	16.198 \| good	30.294 \| good	0.109 \| good	3.277 \| good	0.184 \| good
2026-03-14T18:00:00.000Z	33 \| good	2.94 \| good	7.623 \| good	35.783 \| good	0.169 \| good	3.215 \| good	0.184 \| good
2026-03-14T19:00:00.000Z	37 \| good	3.28 \| good	17.7 \| good	39.692 \| good	0.168 \| good	3.083 \| good	0.203 \| good
2026-03-14T20:00:00.000Z	36 \| good	3.403 \| good	15.067 \| good	38.759 \| good	0.166 \| good	2.781 \| good	0.203 \| good
2026-03-14T21:00:00.000Z	39 \| good	2.647 \| good	14.54 \| good	41.698 \| good	0.111 \| good	3.041 \| good	0.203 \| good
2026-03-14T22:00:00.000Z	37 \| good	3.463 \| good	15.116 \| good	40.085 \| good	0.154 \| good	3.216 \| good	0.184 \| good
2026-03-14T23:00:00.000Z	40 \| good	2.721 \| good	8.019 \| good	43.003 \| good	0.175 \| good	3.674 \| good	0.203 \| good
2026-03-15T00:00:00.000Z	37 \| good	3.933 \| good	18.57 \| good	39.645 \| good	0.121 \| good	3.78 \| good	0.203 \| good
2026-03-15T01:00:00.000Z	34 \| good	4.16 \| good	20.827 \| good	37.247 \| good	0.121 \| good	5.909 \| good	0.239 \| good
2026-03-15T02:00:00.000Z	31 \| good	4.464 \| good	19.064 \| good	34.498 \| good	0.12 \| good	5.644 \| good	0.239 \| good
2026-03-15T03:00:00.000Z	34 \| good	4.383 \| good	14.835 \| good	36.893 \| good	0.12 \| good	2.799 \| good	0.239 \| good
2026-03-15T04:00:00.000Z	31 \| good	4.22 \| good	15.649 \| good	33.655 \| good	0.173 \| good	3.804 \| good	0.239 \| good
2026-03-15T05:00:00.000Z	33 \| good	3.715 \| good	18.421 \| good	36.247 \| good	0.143 \| good	7.667 \| good	0.239 \| good
2026-03-15T06:00:00.000Z	34 \| good	4.379 \| good	26.858 \| good	36.503 \| good	0.165 \| good	8.857 \| good	0.239 \| good
2026-03-15T07:00:00.000Z	30 \| good	4.041 \| good	17.538 \| good	32.338 \| good	0.214 \| good	9.104 \| good	0.228 \| good
2026-03-15T08:00:00.000Z	29 \| good	3.884 \| good	15.04 \| good	30.831 \| good	0.264 \| good	11.187 \| good	0.218 \| good
2026-03-15T09:00:00.000Z	28 \| good	4.64 \| good	17.726 \| good	30.414 \| good	0.226 \| good	12.871 \| good	0.221 \| good
2026-03-15T10:00:00.000Z	27 \| good	4.538 \| good	18.494 \| good	26.03 \| good	0.111 \| good	6.607 \| good	0.218 \| good
2026-03-15T11:00:00.000Z	29 \| good	4.059 \| good	14.433 \| good	30.876 \| good	0.13 \| good	6.826 \| good	0.204 \| good
2026-03-15T12:00:00.000Z	30 \| good	4.404 \| good	13.037 \| good	32.316 \| good	0.111 \| good	7.859 \| good	0.218 \| good
2026-03-15T13:00:00.000Z	28 \| good	4.042 \| good	15.721 \| good	29.569 \| good	0.131 \| good	6.156 \| good	0.221 \| good
2026-03-15T14:00:00.000Z	32 \| good	3.639 \| good	9.534 \| good	34.974 \| good	0.157 \| good	3.982 \| good	0.19 \| good
2026-03-15T15:00:00.000Z	34 \| good	3.587 \| good	13.685 \| good	36.636 \| good	0.19 \| good	2.505 \| good	0.208 \| good
2026-03-15T16:00:00.000Z	35 \| good	3.743 \| good	13.306 \| good	38.081 \| good	0.192 \| good	2.424 \| good	0.208 \| good
2026-03-15T17:00:00.000Z	37 \| good	3.182 \| good	9.681 \| good	39.637 \| good	0.182 \| good	2.299 \| good	0.208 \| good
2026-03-15T18:00:00.000Z	37 \| good	3.142 \| good	11.056 \| good	39.75 \| good	0.158 \| good	2.407 \| good	0.208 \| good
2026-03-15T19:00:00.000Z	39 \| good	3.873 \| good	15.745 \| good	42.156 \| good	0.166 \| good	2.379 \| good	0.208 \| good
2026-03-15T20:00:00.000Z	40 \| good	3.748 \| good	11.661 \| good	42.83 \| good	0.182 \| good	2.504 \| good	0.208 \| good
2026-03-15T21:00:00.000Z	41 \| good	3.358 \| good	12.241 \| good	43.543 \| good	0.165 \| good	3.206 \| good	0.208 \| good
2026-03-15T22:00:00.000Z	40 \| good	4.511 \| good	14.456 \| good	43.135 \| good	0.172 \| good	2.678 \| good	0.208 \| good
2026-03-15T23:00:00.000Z	40 \| good	4.511 \| good	14.456 \| good	43.135 \| good	0.172 \| good	2.678 \| good	0.208 \| good
2026-03-16T00:00:00.000Z	33 \| good	5.628 \| good	24.368 \| good	35.167 \| good	0.33 \| good	3.353 \| good	0.169 \| good
2026-03-16T01:00:00.000Z	33 \| good	5.708 \| good	24.443 \| good	34.644 \| good	0.324 \| good	2.81 \| good	0.164 \| good
2026-03-16T02:00:00.000Z	38 \| good	7.099 \| good	31.326 \| good	31.459 \| good	0.319 \| good	2.266 \| good	0.159 \| good
2026-03-16T03:00:00.000Z	44 \| good	7.526 \| good	33.214 \| good	33.346 \| good	0.313 \| good	1.723 \| good	0.153 \| good
2026-03-16T04:00:00.000Z	44 \| good	8.018 \| good	35.316 \| good	33.811 \| good	0.295 \| good	1.373 \| good	0.15 \| good
2026-03-16T05:00:00.000Z	44 \| good	7.958 \| good	35.013 \| good	35.826 \| good	0.278 \| good	1.023 \| good	0.146 \| good
2026-03-16T06:00:00.000Z	49 \| good	8.601 \| good	37.376 \| good	36.897 \| good	0.26 \| good	0.673 \| good	0.143 \| good
2026-03-16T07:00:00.000Z	44 \| good	8.408 \| good	37.161 \| good	37.115 \| good	0.241 \| good	0.622 \| good	0.14 \| good
2026-03-16T08:00:00.000Z	44 \| good	8.163 \| good	35.962 \| good	36.704 \| good	0.223 \| good	0.57 \| good	0.138 \| good
2026-03-16T09:00:00.000Z	49 \| good	8.602 \| good	37.282 \| good	37.685 \| good	0.204 \| good	0.519 \| good	0.136 \| good
2026-03-16T10:00:00.000Z	52 \| moderate	9.821 \| good	43.318 \| good	38.334 \| good	0.193 \| good	1.137 \| good	0.13 \| good
2026-03-16T11:00:00.000Z	49 \| good	9.057 \| good	39.651 \| good	32.971 \| good	0.182 \| good	1.755 \| good	0.124 \| good
2026-03-16T12:00:00.000Z	49 \| good	8.68 \| good	37.771 \| good	30.431 \| good	0.171 \| good	2.374 \| good	0.118 \| good
2026-03-16T13:00:00.000Z	33 \| good	6.26 \| good	28.034 \| good	32.688 \| good	0.195 \| good	3.181 \| good	0.12 \| good
2026-03-16T14:00:00.000Z	28 \| good	5.398 \| good	23.394 \| good	29.612 \| good	0.219 \| good	3.989 \| good	0.121 \| good
2026-03-16T15:00:00.000Z	33 \| good	5.695 \| good	24.522 \| good	28.204 \| good	0.244 \| good	4.797 \| good	0.122 \| good
2026-03-16T16:00:00.000Z	33 \| good	5.865 \| good	25.466 \| good	28.33 \| good	0.216 \| good	4.159 \| good	0.12 \| good
2026-03-16T17:00:00.000Z	27 \| good	5.32 \| good	23.215 \| good	28.923 \| good	0.189 \| good	3.522 \| good	0.118 \| good
2026-03-16T18:00:00.000Z	27 \| good	4.852 \| good	21.087 \| good	25.627 \| good	0.161 \| good	2.884 \| good	0.116 \| good
2026-03-16T19:00:00.000Z	24 \| good	4.242 \| good	18.29 \| good	26.499 \| good	0.165 \| good	2.904 \| good	0.116 \| good
2026-03-16T20:00:00.000Z	26 \| good	4.222 \| good	18.251 \| good	28.005 \| good	0.17 \| good	2.925 \| good	0.117 \| good
2026-03-16T21:00:00.000Z	28 \| good	4.438 \| good	19.29 \| good	29.535 \| good	0.174 \| good	2.945 \| good	0.117 \| good
2026-03-16T22:00:00.000Z	28 \| good	3.833 \| good	16.318 \| good	30.069 \| good	0.155 \| good	2.528 \| good	0.114 \| good
2026-03-16T23:00:00.000Z	30 \| good	3.533 \| good	15.925 \| good	31.646 \| good	0.135 \| good	2.111 \| good	0.112 \| good
2026-03-17T00:00:00.000Z	26 \| good	4.398 \| good	19.196 \| good	28.295 \| good	0.116 \| good	1.695 \| good	0.109 \| good
2026-03-17T01:00:00.000Z	27 \| good	5.138 \| good	22.278 \| good	27.588 \| good	0.117 \| good	1.59 \| good	0.107 \| good
2026-03-17T02:00:00.000Z	44 \| good	7.615 \| good	33.297 \| good	27.868 \| good	0.117 \| good	1.485 \| good	0.106 \| good
2026-03-17T03:00:00.000Z	31 \| good	4.527 \| good	20 \| good	34.149 \| good	0.118 \| good	1.38 \| good	0.104 \| good
2026-03-17T04:00:00.000Z	30 \| good	4.269 \| good	18.975 \| good	32.279 \| good	0.56 \| good	2.247 \| good	0.115 \| good
2026-03-17T05:00:00.000Z	25 \| good	3.009 \| good	12.163 \| good	26.791 \| good	1.003 \| good	3.114 \| good	0.126 \| good
2026-03-17T06:00:00.000Z	44 \| good	2.135 \| good	2.413 \| good	47.501 \| good	1.463 \| good	4.045 \| good	0.138 \| good
2026-03-17T07:00:00.000Z	27 \| good	4.898 \| good	21.107 \| good	21.946 \| good	1.711 \| good	3.779 \| good	0.146 \| good
2026-03-17T08:00:00.000Z	22 \| good	4.237 \| good	18.961 \| good	22.883 \| good	1.976 \| good	3.577 \| good	0.154 \| good
2026-03-17T09:00:00.000Z	24 \| good	4.331 \| good	18.919 \| good	26.104 \| good	2.241 \| good	3.375 \| good	0.162 \| good
2026-03-17T10:00:00.000Z	22 \| good	3.656 \| good	15.973 \| good	23.138 \| good	1.951 \| good	3.6 \| good	0.166 \| good
2026-03-17T11:00:00.000Z	22 \| good	3.867 \| good	17.047 \| good	23.141 \| good	1.662 \| good	3.825 \| good	0.171 \| good
2026-03-17T12:00:00.000Z	35 \| good	2.894 \| good	3.013 \| good	38.001 \| good	1.388 \| good	4.083 \| good	0.175 \| good
2026-03-17T13:00:00.000Z	36 \| good	2.946 \| good	3.075 \| good	39.066 \| good	1.353 \| good	3.861 \| good	0.176 \| good
2026-03-17T14:00:00.000Z	37 \| good	2.968 \| good	3.089 \| good	40.132 \| good	1.317 \| good	3.639 \| good	0.177 \| good
2026-03-17T15:00:00.000Z	38 \| good	2.864 \| good	2.985 \| good	41.197 \| good	1.282 \| good	3.417 \| good	0.178 \| good
2026-03-17T16:00:00.000Z	29 \| good	3.381 \| good	14.964 \| good	30.976 \| good	1.219 \| good	3.14 \| good	0.173 \| good
2026-03-17T17:00:00.000Z	28 \| good	3.361 \| good	15 \| good	30.47 \| good	1.175 \| good	2.91 \| good	0.169 \| good
2026-03-17T18:00:00.000Z	42 \| good	2.723 \| good	2.866 \| good	44.927 \| good	1.148 \| good	2.717 \| good	0.164 \| good
2026-03-17T19:00:00.000Z	42 \| good	2.779 \| good	2.934 \| good	44.816 \| good	1.148 \| good	2.863 \| good	0.164 \| good
2026-03-17T20:00:00.000Z	42 \| good	2.905 \| good	3.071 \| good	44.705 \| good	1.149 \| good	3.009 \| good	0.164 \| good
2026-03-17T21:00:00.000Z	42 \| good	3.009 \| good	3.187 \| good	44.593 \| good	1.149 \| good	3.154 \| good	0.164 \| good
2026-03-17T22:00:00.000Z	40 \| good	3.04 \| good	3.221 \| good	42.802 \| good	1.197 \| good	4.163 \| good	0.17 \| good
2026-03-17T23:00:00.000Z	38 \| good	3.188 \| good	3.368 \| good	41.011 \| good	1.245 \| good	5.172 \| good	0.175 \| good

Smithtown

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

0.23ppm

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 09:00:00 on 2026-03-15.

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 10:00:00 on 2026-03-15.

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

The current air quality in Smithtown, New York is 40, 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 4.511 μg/m³.

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

The current PM₁₀ concentration at Smithtown, New York is 14.456 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 0.208 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 0.172 ppb.

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

The current ozone (O₃) concentration at Smithtown, New York is 43.135 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 2.678 ppb.

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