What is the current concentration of PM10 in Windham, New Hampshire?

The current PM10 concentration at Windham, New Hampshire is 10.596 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Windham, New Hampshire?

The current sulfur dioxide (SO2) concentration at Windham, New Hampshire is 1.044 ppb.

What is the current concentration of ozone (O3) in Windham, New Hampshire?

The current ozone (O3) concentration at Windham, New Hampshire is 25.627 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Windham, New Hampshire?

The current nitrogen dioxide (NO2) concentration at Windham, New Hampshire is 1.397 ppb.

Windham, New Hampshire live air quality index now

Q: What is the current concentration of PM2.5 in Windham, New Hampshire?

The current PM2.5 concentration at Windham, New Hampshire is 3.491 μg/m3.

Stay updated with real-time air quality in Windham, New Hampshire 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

Windham, New Hampshire

Last updated: ... (Local time)

Major air pollutants in Windham, New Hampshire

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.49 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

10.60 μg/m³

155

255

425

605+

Ozone (O₃)

25.63 ppb

201

201+

Sulfur Dioxide (SO₂)

1.04 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.40 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.13 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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Windham, New Hampshire

Scroll To Air Quality Map

Track live Windham, New Hampshire air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-08-12T18:00:00.000Z	33 \| good	5.601 \| good	16.395 \| good	29.315 \| good	0.991 \| good	0.943 \| good	0.212 \| good
2026-08-12T19:00:00.000Z	27 \| good	5.499 \| good	17.276 \| good	28.88 \| good	1.048 \| good	2.028 \| good	0.221 \| good
2026-08-12T20:00:00.000Z	27 \| good	5.363 \| good	15.739 \| good	27.755 \| good	1.103 \| good	1.193 \| good	0.221 \| good
2026-08-12T21:00:00.000Z	27 \| good	5.301 \| good	16.059 \| good	27.896 \| good	0.991 \| good	1.196 \| good	0.2 \| good
2026-08-12T22:00:00.000Z	27 \| good	5.157 \| good	15.474 \| good	26.859 \| good	1.116 \| good	1.057 \| good	0.2 \| good
2026-08-12T23:00:00.000Z	27 \| good	5.06 \| good	15.803 \| good	24.954 \| good	1.111 \| good	2.341 \| good	0.2 \| good
2026-08-13T00:00:00.000Z	27 \| good	5.118 \| good	15.282 \| good	21.844 \| good	1.097 \| good	3.998 \| good	0.21 \| good
2026-08-13T01:00:00.000Z	27 \| good	5.343 \| good	16.602 \| good	20.962 \| good	1.174 \| good	6.122 \| good	0.219 \| good
2026-08-13T02:00:00.000Z	27 \| good	5.45 \| good	17.065 \| good	20.049 \| good	1.174 \| good	2.737 \| good	0.219 \| good
2026-08-13T03:00:00.000Z	33 \| good	5.793 \| good	18.371 \| good	19.653 \| good	1.208 \| good	2.473 \| good	0.21 \| good
2026-08-13T04:00:00.000Z	33 \| good	5.559 \| good	17.454 \| good	19.264 \| good	1.135 \| good	2.517 \| good	0.219 \| good
2026-08-13T05:00:00.000Z	33 \| good	5.647 \| good	15.874 \| good	18.297 \| good	0.936 \| good	2.828 \| good	0.21 \| good
2026-08-13T06:00:00.000Z	27 \| good	5.457 \| good	16.082 \| good	17.553 \| good	1.053 \| good	2.913 \| good	0.21 \| good
2026-08-13T07:00:00.000Z	27 \| good	5.328 \| good	15.441 \| good	17.623 \| good	1.053 \| good	2.567 \| good	0.21 \| good
2026-08-13T08:00:00.000Z	33 \| good	5.514 \| good	16.406 \| good	16.06 \| good	1.111 \| good	3.787 \| good	0.207 \| good
2026-08-13T09:00:00.000Z	33 \| good	5.587 \| good	16.472 \| good	14.944 \| good	1.117 \| good	3.079 \| good	0.207 \| good
2026-08-13T10:00:00.000Z	33 \| good	6.003 \| good	16.364 \| good	14.055 \| good	1.146 \| good	5.642 \| good	0.217 \| good
2026-08-13T11:00:00.000Z	33 \| good	6.144 \| good	17.316 \| good	17.218 \| good	0.962 \| good	6.546 \| good	0.217 \| good
2026-08-13T12:00:00.000Z	33 \| good	6.227 \| good	16.274 \| good	19.314 \| good	1.11 \| good	5.991 \| good	0.217 \| good
2026-08-13T13:00:00.000Z	33 \| good	6.316 \| good	17.899 \| good	22.763 \| good	1.111 \| good	5.965 \| good	0.217 \| good
2026-08-13T14:00:00.000Z	38 \| good	7.26 \| good	20.795 \| good	24.879 \| good	1.164 \| good	4.698 \| good	0.217 \| good
2026-08-13T15:00:00.000Z	44 \| good	7.575 \| good	21.63 \| good	26.387 \| good	1.226 \| good	2.34 \| good	0.217 \| good
2026-08-13T16:00:00.000Z	38 \| good	7.487 \| good	20.909 \| good	29.521 \| good	1.169 \| good	1.967 \| good	0.226 \| good
2026-08-13T17:00:00.000Z	38 \| good	7.01 \| good	21.151 \| good	32.099 \| good	1.129 \| good	2.943 \| good	0.207 \| good
2026-08-13T18:00:00.000Z	33 \| good	6.493 \| good	20.671 \| good	32.553 \| good	1.129 \| good	1.671 \| good	0.217 \| good
2026-08-13T19:00:00.000Z	33 \| good	5.888 \| good	16.525 \| good	34.444 \| good	1.166 \| good	1.785 \| good	0.217 \| good
2026-08-13T20:00:00.000Z	33 \| good	5.537 \| good	17.355 \| good	34.658 \| good	1.089 \| good	1.357 \| good	0.207 \| good
2026-08-13T21:00:00.000Z	31 \| good	5.318 \| good	15.695 \| good	34.021 \| good	1.032 \| good	1.378 \| good	0.217 \| good
2026-08-13T22:00:00.000Z	33 \| good	5.517 \| good	16.577 \| good	31.902 \| good	1.044 \| good	2.151 \| good	0.217 \| good
2026-08-13T23:00:00.000Z	33 \| good	5.695 \| good	16.791 \| good	31.214 \| good	0.98 \| good	1.899 \| good	0.217 \| good
2026-08-14T00:00:00.000Z	33 \| good	5.691 \| good	18.27 \| good	30.433 \| good	0.966 \| good	2.684 \| good	0.217 \| good
2026-08-14T01:00:00.000Z	33 \| good	5.536 \| good	15.769 \| good	28.233 \| good	1.087 \| good	2.826 \| good	0.217 \| good
2026-08-14T02:00:00.000Z	33 \| good	5.506 \| good	16.146 \| good	27.667 \| good	0.947 \| good	3.154 \| good	0.21 \| good
2026-08-14T03:00:00.000Z	33 \| good	5.58 \| good	15.908 \| good	22.11 \| good	1.232 \| good	4.778 \| good	0.219 \| good
2026-08-14T04:00:00.000Z	27 \| good	5.422 \| good	17.309 \| good	22.023 \| good	1.059 \| good	3.601 \| good	0.226 \| good
2026-08-14T05:00:00.000Z	27 \| good	5.499 \| good	16.978 \| good	18.337 \| good	1.166 \| good	2.979 \| good	0.226 \| good
2026-08-14T06:00:00.000Z	33 \| good	5.505 \| good	15.761 \| good	16.737 \| good	1.165 \| good	2.546 \| good	0.226 \| good
2026-08-14T07:00:00.000Z	27 \| good	5.474 \| good	16.21 \| good	13.837 \| good	1.04 \| good	3.908 \| good	0.217 \| good
2026-08-14T08:00:00.000Z	33 \| good	5.564 \| good	16.801 \| good	13.693 \| good	0.96 \| good	2.377 \| good	0.217 \| good
2026-08-14T09:00:00.000Z	33 \| good	5.513 \| good	17.183 \| good	13.43 \| good	1.013 \| good	1.952 \| good	0.217 \| good
2026-08-14T10:00:00.000Z	33 \| good	5.521 \| good	16.4 \| good	14.144 \| good	1.02 \| good	2.212 \| good	0.219 \| good
2026-08-14T11:00:00.000Z	33 \| good	5.629 \| good	16.2 \| good	13.405 \| good	1.11 \| good	2.644 \| good	0.219 \| good
2026-08-14T12:00:00.000Z	33 \| good	5.556 \| good	16.356 \| good	13.77 \| good	1.187 \| good	2.911 \| good	0.21 \| good
2026-08-14T13:00:00.000Z	33 \| good	5.547 \| good	15.466 \| good	15.356 \| good	1.187 \| good	2.938 \| good	0.21 \| good
2026-08-14T14:00:00.000Z	27 \| good	4.854 \| good	13.74 \| good	18.231 \| good	1.249 \| good	1.965 \| good	0.133 \| good
2026-08-14T15:00:00.000Z	22 \| good	4.373 \| good	13.55 \| good	21.056 \| good	1.044 \| good	1.414 \| good	0.117 \| good
2026-08-14T16:00:00.000Z	22 \| good	3.852 \| good	11.451 \| good	22.531 \| good	1.042 \| good	1.199 \| good	0.124 \| good
2026-08-14T17:00:00.000Z	24 \| good	3.491 \| good	10.596 \| good	25.627 \| good	1.044 \| good	1.397 \| good	0.126 \| good
2026-08-14T17:00:00.000Z	24 \| good	3.491 \| good	10.596 \| good	25.627 \| good	1.044 \| good	1.397 \| good	0.126 \| good
2026-08-14T18:00:00.000Z	22 \| good	3.483 \| good	15.119 \| good	23.979 \| good	0.254 \| good	0.489 \| good	0.146 \| good
2026-08-14T19:00:00.000Z	22 \| good	3.625 \| good	16 \| good	22.807 \| good	0.236 \| good	0.525 \| good	0.147 \| good
2026-08-14T20:00:00.000Z	22 \| good	4.416 \| good	18.917 \| good	22.336 \| good	0.225 \| good	0.566 \| good	0.148 \| good
2026-08-14T21:00:00.000Z	22 \| good	4.209 \| good	18.607 \| good	20.781 \| good	0.218 \| good	0.655 \| good	0.15 \| good
2026-08-14T22:00:00.000Z	27 \| good	4.931 \| good	21.157 \| good	19.044 \| good	0.215 \| good	0.868 \| good	0.151 \| good
2026-08-14T23:00:00.000Z	27 \| good	4.784 \| good	20.928 \| good	15.3 \| good	0.219 \| good	1.317 \| good	0.155 \| good
2026-08-15T00:00:00.000Z	27 \| good	5.007 \| good	21.38 \| good	12.054 \| good	0.236 \| good	2.066 \| good	0.161 \| good
2026-08-15T01:00:00.000Z	33 \| good	5.74 \| good	24.542 \| good	12.629 \| good	0.254 \| good	2.638 \| good	0.165 \| good
2026-08-15T02:00:00.000Z	38 \| good	7.1 \| good	31.191 \| good	18.857 \| good	0.273 \| good	2.9 \| good	0.168 \| good
2026-08-15T03:00:00.000Z	38 \| good	6.622 \| good	29.601 \| good	20.762 \| good	0.293 \| good	2.9 \| good	0.169 \| good
2026-08-15T04:00:00.000Z	27 \| good	5.472 \| good	23.117 \| good	20.12 \| good	0.312 \| good	2.827 \| good	0.17 \| good
2026-08-15T05:00:00.000Z	27 \| good	5.424 \| good	23.189 \| good	17.104 \| good	0.328 \| good	2.888 \| good	0.172 \| good
2026-08-15T06:00:00.000Z	27 \| good	5.154 \| good	22.057 \| good	16.547 \| good	0.351 \| good	3.098 \| good	0.174 \| good
2026-08-15T07:00:00.000Z	27 \| good	5.195 \| good	22.598 \| good	13.961 \| good	0.378 \| good	3.305 \| good	0.176 \| good
2026-08-15T08:00:00.000Z	33 \| good	5.794 \| good	24.93 \| good	12.307 \| good	0.412 \| good	3.394 \| good	0.177 \| good
2026-08-15T09:00:00.000Z	38 \| good	7.372 \| good	32.213 \| good	9.127 \| good	0.453 \| good	3.437 \| good	0.177 \| good
2026-08-15T10:00:00.000Z	44 \| good	7.551 \| good	33.03 \| good	9.609 \| good	0.492 \| good	3.522 \| good	0.179 \| good
2026-08-15T11:00:00.000Z	44 \| good	8.041 \| good	35.044 \| good	12.046 \| good	0.524 \| good	3.562 \| good	0.184 \| good
2026-08-15T12:00:00.000Z	38 \| good	7.458 \| good	32.955 \| good	17.222 \| good	0.555 \| good	2.616 \| good	0.183 \| good
2026-08-15T13:00:00.000Z	38 \| good	6.605 \| good	29.708 \| good	20.78 \| good	0.692 \| good	1.302 \| good	0.166 \| good
2026-08-15T14:00:00.000Z	33 \| good	5.979 \| good	26.55 \| good	23.552 \| good	0.63 \| good	0.827 \| good	0.158 \| good
2026-08-15T15:00:00.000Z	27 \| good	5.309 \| good	22.984 \| good	25.578 \| good	0.558 \| good	0.635 \| good	0.156 \| good
2026-08-15T16:00:00.000Z	27 \| good	5.073 \| good	22 \| good	26.29 \| good	0.51 \| good	0.532 \| good	0.155 \| good
2026-08-15T17:00:00.000Z	27 \| good	5.326 \| good	22.974 \| good	26.91 \| good	0.466 \| good	0.483 \| good	0.156 \| good
2026-08-15T18:00:00.000Z	27 \| good	5.111 \| good	22.041 \| good	28.219 \| good	0.425 \| good	0.464 \| good	0.156 \| good
2026-08-15T19:00:00.000Z	27 \| good	5.119 \| good	22.021 \| good	28.739 \| good	0.387 \| good	0.464 \| good	0.156 \| good
2026-08-15T20:00:00.000Z	27 \| good	4.859 \| good	21 \| good	28.955 \| good	0.356 \| good	0.486 \| good	0.156 \| good
2026-08-15T21:00:00.000Z	27 \| good	4.876 \| good	21.035 \| good	26.143 \| good	0.334 \| good	0.558 \| good	0.157 \| good
2026-08-15T22:00:00.000Z	27 \| good	5.182 \| good	22.137 \| good	23.29 \| good	0.32 \| good	0.706 \| good	0.159 \| good
2026-08-15T23:00:00.000Z	33 \| good	5.923 \| good	26.489 \| good	17.716 \| good	0.314 \| good	1.132 \| good	0.163 \| good
2026-08-16T00:00:00.000Z	38 \| good	6.772 \| good	30.197 \| good	13.227 \| good	0.329 \| good	3 \| good	0.179 \| good
2026-08-16T01:00:00.000Z	38 \| good	6.994 \| good	31.091 \| good	11.354 \| good	0.354 \| good	4.936 \| good	0.191 \| good
2026-08-16T02:00:00.000Z	38 \| good	7.465 \| good	33.007 \| good	10.924 \| good	0.374 \| good	5.956 \| good	0.198 \| good
2026-08-16T03:00:00.000Z	44 \| good	8.101 \| good	35.435 \| good	10.932 \| good	0.388 \| good	6.471 \| good	0.202 \| good
2026-08-16T04:00:00.000Z	38 \| good	7.158 \| good	31.564 \| good	10.585 \| good	0.375 \| good	6.55 \| good	0.204 \| good
2026-08-16T05:00:00.000Z	27 \| good	5.383 \| good	22.906 \| good	9.736 \| good	0.348 \| good	5.924 \| good	0.2 \| good
2026-08-16T06:00:00.000Z	22 \| good	4.222 \| good	18.691 \| good	9.39 \| good	0.325 \| good	5.154 \| good	0.193 \| good
2026-08-16T07:00:00.000Z	27 \| good	4.613 \| good	20.116 \| good	10.521 \| good	0.303 \| good	4.459 \| good	0.188 \| good
2026-08-16T08:00:00.000Z	33 \| good	5.591 \| good	24.116 \| good	11.61 \| good	0.285 \| good	4.057 \| good	0.184 \| good
2026-08-16T09:00:00.000Z	33 \| good	5.938 \| good	26.555 \| good	12.292 \| good	0.274 \| good	4.032 \| good	0.182 \| good
2026-08-16T10:00:00.000Z	38 \| good	6.642 \| good	29.751 \| good	12.411 \| good	0.271 \| good	4.234 \| good	0.183 \| good
2026-08-16T11:00:00.000Z	38 \| good	6.982 \| good	30.948 \| good	14.359 \| good	0.274 \| good	4.308 \| good	0.189 \| good
2026-08-16T12:00:00.000Z	38 \| good	6.85 \| good	30.074 \| good	18.702 \| good	0.268 \| good	2.574 \| good	0.177 \| good
2026-08-16T13:00:00.000Z	38 \| good	7.134 \| good	31.864 \| good	23.797 \| good	0.292 \| good	1.665 \| good	0.166 \| good
2026-08-16T14:00:00.000Z	38 \| good	6.818 \| good	30.189 \| good	26.296 \| good	0.34 \| good	1.355 \| good	0.167 \| good
2026-08-16T15:00:00.000Z	33 \| good	6.389 \| good	28.192 \| good	27.259 \| good	0.383 \| good	1.093 \| good	0.168 \| good
2026-08-16T16:00:00.000Z	33 \| good	5.606 \| good	24.049 \| good	28.425 \| good	0.4 \| good	0.862 \| good	0.17 \| good
2026-08-16T17:00:00.000Z	33 \| good	5.632 \| good	24.026 \| good	29.99 \| good	0.4 \| good	0.743 \| good	0.172 \| good

Windham

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Windham, New Hampshire air quality map: Track AQI near you

0.14ppm

How accurate is New Hampshire, USA air quality data?

Air quality data and pollutant measurements for New Hampshire, 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 Windham, New Hampshire updated?

The air quality for Windham, New Hampshire is updated every hour.

When was the worst air quality at Windham, New Hampshire in the last 24 hrs?

The worst air quality in Windham, New Hampshire in the last 24 hours was observed at 05:00:00 on 2026-08-13.

When was the best air quality at Windham, New Hampshire in the last 24 hrs?

In the last 24 hrs, the best air quality in Windham, New Hampshire was observed at 04:00:00 on 2026-08-14.

What is the current air quality in Windham, New Hampshire?

The current air quality in Windham, New Hampshire is 24, categorized as Good based on real-time data.

What pollutant is the most common in Windham, New Hampshire?

The most common pollutant in Windham, New Hampshire is O3.

What should I do if the air quality in Windham, New Hampshire is poor?

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

What is the current concentration of PM_2.5 in Windham, New Hampshire?

The current PM_2.5 concentration at Windham, New Hampshire is 3.491 μg/m³.

What is the current concentration of PM₁₀ in Windham, New Hampshire?

The current PM₁₀ concentration at Windham, New Hampshire is 10.596 μg/m³.

What is the current concentration of carbon monoxide (CO) in Windham, New Hampshire?

The current carbon monoxide (CO) concentration at Windham, New Hampshire is 0.126 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Windham, New Hampshire?

The current sulfur dioxide (SO₂) concentration at Windham, New Hampshire is 1.044 ppb.

What is the current concentration of ozone (O₃) in Windham, New Hampshire?

The current ozone (O₃) concentration at Windham, New Hampshire is 25.627 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Windham, New Hampshire?

The current nitrogen dioxide (NO₂) concentration at Windham, New Hampshire is 1.397 ppb.

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