What are the current PM10 levels at New Hampshire, USA?

The current PM10 levels in New Hampshire, USA are 22.272 μg/m3.

What are the current sulfur dioxide (SO2) levels at New Hampshire, USA?

The current sulfur dioxide (SO2) levels in New Hampshire, USA are 0.429 ppb.

What are the current ozone (O3) levels at New Hampshire, USA?

The current ozone (O3) levels at New Hampshire, USA is 35.578 ppm.

What are the current nitrogen dioxide (NO2) levels at New Hampshire, USA?

The current nitrogen dioxide (NO2) levels at New Hampshire, USA is 3.237 ppb.

Real-time air quality index in New Hampshire, USA today

Name: Live air pollution levels in New Hampshire, USA today
Creator: Ambee

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

New Hampshire, USA

Last updated: ... (Local time)

Common air pollutants in New Hampshire, USA

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

6.51 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

24.10 μg/m³

155

255

425

605+

Ozone (O₃)

34.61 ppb

201

201+

Sulfur Dioxide (SO₂)

0.47 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.65 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.17 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

New Hampshire, USA

Get Live Pollen Counts

New Hampshire, USA

Scroll To Air Quality Map

Track live New Hampshire, USA air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-11T23:00:00.000Z	37 \| good	4.466 \| good	13.706 \| good	40.175 \| good	0.518 \| good	1.262 \| good	0.188 \| good
2025-09-12T00:00:00.000Z	35 \| good	4.443 \| good	17.519 \| good	38.376 \| good	0.411 \| good	2.732 \| good	0.227 \| good
2025-09-12T01:00:00.000Z	35 \| good	5.907 \| good	22.47 \| good	38.39 \| good	0.346 \| good	2.98 \| good	0.292 \| good
2025-09-12T02:00:00.000Z	33 \| good	6.058 \| good	24.956 \| good	34.779 \| good	0.445 \| good	3.061 \| good	0.318 \| good
2025-09-12T03:00:00.000Z	56 \| moderate	11.728 \| good	51.811 \| good	19.493 \| good	0.285 \| good	2.38 \| good	0.185 \| good
2025-09-12T04:00:00.000Z	29 \| good	4.665 \| good	19.52 \| good	31.073 \| good	0.399 \| good	2.653 \| good	0.279 \| good
2025-09-12T05:00:00.000Z	28 \| good	4.767 \| good	15.067 \| good	30.084 \| good	0.41 \| good	2.839 \| good	0.238 \| good
2025-09-12T06:00:00.000Z	27 \| good	5.06 \| good	17.671 \| good	22.86 \| good	0.346 \| good	4.833 \| good	0.197 \| good
2025-09-12T07:00:00.000Z	27 \| good	4.783 \| good	17.759 \| good	17.196 \| good	0.398 \| good	2.849 \| good	0.197 \| good
2025-09-12T08:00:00.000Z	27 \| good	5.305 \| good	23.904 \| good	19.724 \| good	0.398 \| good	3.991 \| good	0.181 \| good
2025-09-12T09:00:00.000Z	33 \| good	6.28 \| good	27.561 \| good	17.01 \| good	0.406 \| good	5.065 \| good	0.174 \| good
2025-09-12T10:00:00.000Z	38 \| good	6.643 \| good	25.324 \| good	11.123 \| good	0.476 \| good	6.783 \| good	0.201 \| good
2025-09-12T11:00:00.000Z	38 \| good	6.631 \| good	19.894 \| good	9.325 \| good	0.408 \| good	5.856 \| good	0.188 \| good
2025-09-12T12:00:00.000Z	33 \| good	5.758 \| good	18.174 \| good	10.46 \| good	0.414 \| good	6.288 \| good	0.202 \| good
2025-09-12T13:00:00.000Z	27 \| good	5.365 \| good	21.558 \| good	11.233 \| good	0.485 \| good	6.019 \| good	0.188 \| good
2025-09-12T14:00:00.000Z	27 \| good	5.096 \| good	16.235 \| good	13.392 \| good	0.502 \| good	4.068 \| good	0.213 \| good
2025-09-12T15:00:00.000Z	27 \| good	5.054 \| good	16.889 \| good	16.252 \| good	0.426 \| good	3.783 \| good	0.164 \| good
2025-09-12T16:00:00.000Z	27 \| good	4.893 \| good	16.83 \| good	22.253 \| good	0.483 \| good	3.881 \| good	0.174 \| good
2025-09-12T17:00:00.000Z	27 \| good	5.074 \| good	22.651 \| good	24.578 \| good	0.57 \| good	3.583 \| good	0.137 \| good
2025-09-12T18:00:00.000Z	27 \| good	4.739 \| good	18.362 \| good	28.538 \| good	0.498 \| good	5.237 \| good	0.134 \| good
2025-09-12T19:00:00.000Z	31 \| good	4.601 \| good	13.876 \| good	34.119 \| good	0.489 \| good	3.01 \| good	0.163 \| good
2025-09-12T20:00:00.000Z	31 \| good	5.088 \| good	22.334 \| good	34.222 \| good	0.425 \| good	3.466 \| good	0.126 \| good
2025-09-12T21:00:00.000Z	33 \| good	5.016 \| good	13.856 \| good	35.847 \| good	0.439 \| good	4.576 \| good	0.139 \| good
2025-09-12T22:00:00.000Z	33 \| good	5.174 \| good	20.027 \| good	36.05 \| good	0.372 \| good	2.961 \| good	0.126 \| good
2025-09-12T23:00:00.000Z	32 \| good	5.194 \| good	23.918 \| good	34.578 \| good	0.41 \| good	2.502 \| good	0.175 \| good
2025-09-13T00:00:00.000Z	31 \| good	5.092 \| good	17.365 \| good	33.324 \| good	0.41 \| good	2.68 \| good	0.188 \| good
2025-09-13T01:00:00.000Z	27 \| good	5.115 \| good	21.1 \| good	29.468 \| good	0.364 \| good	2.942 \| good	0.202 \| good
2025-09-13T02:00:00.000Z	27 \| good	5.459 \| good	29.061 \| good	26.248 \| good	0.416 \| good	3.989 \| good	0.25 \| good
2025-09-13T03:00:00.000Z	22 \| good	4.332 \| good	16.377 \| good	20.886 \| good	0.401 \| good	4.037 \| good	0.227 \| good
2025-09-13T04:00:00.000Z	27 \| good	4.645 \| good	22.677 \| good	20.644 \| good	0.41 \| good	4.389 \| good	0.276 \| good
2025-09-13T05:00:00.000Z	27 \| good	4.704 \| good	19.567 \| good	18.596 \| good	0.403 \| good	5.668 \| good	0.266 \| good
2025-09-13T06:00:00.000Z	27 \| good	5.05 \| good	24.516 \| good	15.067 \| good	0.411 \| good	9.074 \| good	0.253 \| good
2025-09-13T07:00:00.000Z	27 \| good	5.097 \| good	24.668 \| good	13.179 \| good	0.47 \| good	7.809 \| good	0.263 \| good
2025-09-13T08:00:00.000Z	27 \| good	5.196 \| good	20.54 \| good	10.243 \| good	0.405 \| good	8.292 \| good	0.227 \| good
2025-09-13T09:00:00.000Z	27 \| good	5.085 \| good	18.532 \| good	7.258 \| good	0.413 \| good	7.368 \| good	0.178 \| good
2025-09-13T10:00:00.000Z	33 \| good	5.536 \| good	18.655 \| good	4.609 \| good	0.41 \| good	7.771 \| good	0.201 \| good
2025-09-13T11:00:00.000Z	27 \| good	5.333 \| good	18.654 \| good	5.287 \| good	0.481 \| good	6.329 \| good	0.178 \| good
2025-09-13T12:00:00.000Z	33 \| good	5.521 \| good	24.241 \| good	4.734 \| good	0.425 \| good	6.087 \| good	0.253 \| good
2025-09-13T13:00:00.000Z	33 \| good	5.994 \| good	27.404 \| good	5.883 \| good	0.447 \| good	5.592 \| good	0.204 \| good
2025-09-13T14:00:00.000Z	33 \| good	5.754 \| good	22.13 \| good	9.021 \| good	0.511 \| good	6.106 \| good	0.165 \| good
2025-09-13T15:00:00.000Z	27 \| good	5.444 \| good	25.313 \| good	17.011 \| good	0.434 \| good	4.179 \| good	0.139 \| good
2025-09-13T16:00:00.000Z	33 \| good	5.952 \| good	24.515 \| good	19.663 \| good	0.411 \| good	3.136 \| good	0.139 \| good
2025-09-13T17:00:00.000Z	33 \| good	5.733 \| good	19.055 \| good	22.637 \| good	0.526 \| good	3.923 \| good	0.139 \| good
2025-09-13T18:00:00.000Z	33 \| good	6.286 \| good	23.994 \| good	26.577 \| good	0.443 \| good	2.985 \| good	0.139 \| good
2025-09-13T19:00:00.000Z	38 \| good	6.867 \| good	18.01 \| good	29.544 \| good	0.443 \| good	2.404 \| good	0.139 \| good
2025-09-13T20:00:00.000Z	38 \| good	7.025 \| good	25.537 \| good	31.49 \| good	0.418 \| good	3.206 \| good	0.152 \| good
2025-09-13T21:00:00.000Z	33 \| good	6.231 \| good	20.344 \| good	30.45 \| good	0.434 \| good	3.235 \| good	0.165 \| good
2025-09-13T22:00:00.000Z	31 \| good	5.483 \| good	19.246 \| good	34.195 \| good	0.495 \| good	4.962 \| good	0.165 \| good
2025-09-13T22:00:00.000Z	38 \| good	6.506 \| good	24.099 \| good	34.607 \| good	0.473 \| good	3.651 \| good	0.169 \| good
2025-09-13T22:00:00.000Z	52 \| moderate	10.149 \| good	44.817 \| good	24.677 \| good	0.332 \| good	4.148 \| good	0.195 \| good
2025-09-13T23:00:00.000Z	52 \| moderate	10.292 \| good	45.764 \| good	25.132 \| good	0.371 \| good	6.401 \| good	0.22 \| good
2025-09-14T00:00:00.000Z	54 \| moderate	10.716 \| good	47.355 \| good	23.828 \| good	0.41 \| good	8.655 \| good	0.246 \| good
2025-09-14T01:00:00.000Z	54 \| moderate	10.558 \| good	46.856 \| good	20.981 \| good	0.438 \| good	8.197 \| good	0.245 \| good
2025-09-14T02:00:00.000Z	54 \| moderate	11.081 \| good	49.142 \| good	18.668 \| good	0.467 \| good	7.739 \| good	0.244 \| good
2025-09-14T03:00:00.000Z	56 \| moderate	11.932 \| good	53.348 \| good	14.94 \| good	0.496 \| good	7.28 \| good	0.243 \| good
2025-09-14T04:00:00.000Z	56 \| moderate	12.275 \| fine	55.862 \| fine	12.935 \| good	0.472 \| good	6.602 \| good	0.237 \| good
2025-09-14T05:00:00.000Z	56 \| moderate	12.381 \| fine	56.008 \| fine	8.89 \| good	0.448 \| good	5.925 \| good	0.231 \| good
2025-09-14T06:00:00.000Z	56 \| moderate	12.196 \| fine	54.797 \| good	6.258 \| good	0.424 \| good	5.247 \| good	0.224 \| good
2025-09-14T07:00:00.000Z	56 \| moderate	11.989 \| good	54.058 \| good	4.975 \| good	0.423 \| good	5.155 \| good	0.226 \| good
2025-09-14T08:00:00.000Z	56 \| moderate	12.242 \| fine	55.302 \| fine	4.701 \| good	0.422 \| good	5.064 \| good	0.227 \| good
2025-09-14T09:00:00.000Z	54 \| moderate	10.933 \| good	48.213 \| good	4.08 \| good	0.42 \| good	4.972 \| good	0.228 \| good
2025-09-14T10:00:00.000Z	56 \| moderate	11.742 \| good	51.546 \| good	3.955 \| good	0.415 \| good	4.783 \| good	0.235 \| good
2025-09-14T11:00:00.000Z	56 \| moderate	11.618 \| good	51.403 \| good	6.793 \| good	0.409 \| good	4.593 \| good	0.242 \| good
2025-09-14T12:00:00.000Z	58 \| moderate	12.617 \| fine	57.117 \| fine	10.54 \| good	0.403 \| good	4.404 \| good	0.249 \| good
2025-09-14T13:00:00.000Z	58 \| moderate	13.027 \| fine	59.085 \| fine	21.897 \| good	0.423 \| good	3.188 \| good	0.222 \| good
2025-09-14T14:00:00.000Z	54 \| moderate	11.126 \| good	49.287 \| good	30.157 \| good	0.443 \| good	1.972 \| good	0.194 \| good
2025-09-14T15:00:00.000Z	49 \| good	9.05 \| good	39.852 \| good	34.292 \| good	0.462 \| good	0.757 \| good	0.167 \| good
2025-09-14T16:00:00.000Z	38 \| good	7.469 \| good	33.004 \| good	37.73 \| good	0.374 \| good	0.685 \| good	0.161 \| good
2025-09-14T17:00:00.000Z	38 \| good	6.643 \| good	29.718 \| good	36.458 \| good	0.287 \| good	0.614 \| good	0.155 \| good
2025-09-14T18:00:00.000Z	38 \| good	6.563 \| good	29.547 \| good	36.098 \| good	0.199 \| good	0.543 \| good	0.149 \| good
2025-09-14T19:00:00.000Z	34 \| good	6.439 \| good	28.605 \| good	37.11 \| good	0.181 \| good	0.694 \| good	0.149 \| good
2025-09-14T20:00:00.000Z	38 \| good	6.591 \| good	29.578 \| good	37.092 \| good	0.164 \| good	0.846 \| good	0.15 \| good
2025-09-14T21:00:00.000Z	33 \| good	6.061 \| good	27.031 \| good	34.921 \| good	0.147 \| good	0.997 \| good	0.151 \| good
2025-09-14T22:00:00.000Z	35 \| good	5.355 \| good	23.072 \| good	37.794 \| good	0.206 \| good	3.927 \| good	0.184 \| good
2025-09-14T23:00:00.000Z	28 \| good	5.372 \| good	23.452 \| good	29.838 \| good	0.266 \| good	6.856 \| good	0.217 \| good
2025-09-15T00:00:00.000Z	38 \| good	6.82 \| good	30.333 \| good	26.759 \| good	0.325 \| good	9.786 \| good	0.251 \| good
2025-09-15T01:00:00.000Z	52 \| moderate	9.771 \| good	43.181 \| good	27.644 \| good	0.364 \| good	10.093 \| good	0.261 \| good
2025-09-15T02:00:00.000Z	58 \| moderate	13.006 \| fine	58.451 \| fine	25.785 \| good	0.403 \| good	10.4 \| good	0.271 \| good
2025-09-15T03:00:00.000Z	60 \| moderate	14.378 \| fine	64.372 \| fine	21.6 \| good	0.443 \| good	10.707 \| good	0.281 \| good
2025-09-15T04:00:00.000Z	58 \| moderate	13.13 \| fine	58.803 \| fine	18.198 \| good	0.38 \| good	8.537 \| good	0.259 \| good
2025-09-15T05:00:00.000Z	52 \| moderate	10.397 \| good	46.281 \| good	10.688 \| good	0.317 \| good	6.367 \| good	0.237 \| good
2025-09-15T06:00:00.000Z	44 \| good	8.109 \| good	36.096 \| good	7.193 \| good	0.255 \| good	4.197 \| good	0.215 \| good
2025-09-15T07:00:00.000Z	38 \| good	6.598 \| good	29.282 \| good	3.69 \| good	0.25 \| good	3.537 \| good	0.206 \| good
2025-09-15T08:00:00.000Z	38 \| good	6.51 \| good	29.225 \| good	2.01 \| good	0.246 \| good	2.877 \| good	0.197 \| good
2025-09-15T09:00:00.000Z	38 \| good	6.577 \| good	29.24 \| good	2.325 \| good	0.242 \| good	2.217 \| good	0.188 \| good
2025-09-15T10:00:00.000Z	38 \| good	6.754 \| good	30.004 \| good	2.574 \| good	0.237 \| good	2.514 \| good	0.194 \| good
2025-09-15T11:00:00.000Z	44 \| good	8.27 \| good	36.059 \| good	4.992 \| good	0.233 \| good	2.81 \| good	0.2 \| good
2025-09-15T12:00:00.000Z	52 \| moderate	10.007 \| good	44.316 \| good	7.536 \| good	0.228 \| good	3.106 \| good	0.206 \| good
2025-09-15T13:00:00.000Z	54 \| moderate	11.271 \| good	50.074 \| good	14.873 \| good	0.223 \| good	2.353 \| good	0.194 \| good
2025-09-15T14:00:00.000Z	54 \| moderate	11.089 \| good	49.102 \| good	27.143 \| good	0.217 \| good	1.6 \| good	0.183 \| good
2025-09-15T15:00:00.000Z	52 \| moderate	9.826 \| good	43.889 \| good	38.569 \| good	0.212 \| good	0.847 \| good	0.171 \| good
2025-09-15T16:00:00.000Z	49 \| good	9.038 \| good	40.49 \| good	45.584 \| good	0.192 \| good	0.823 \| good	0.168 \| good
2025-09-15T17:00:00.000Z	44 \| good	8.368 \| good	36.888 \| good	47.891 \| good	0.173 \| good	0.799 \| good	0.165 \| good
2025-09-15T18:00:00.000Z	44 \| good	7.58 \| good	33.132 \| good	46.278 \| good	0.154 \| good	0.775 \| good	0.162 \| good
2025-09-15T19:00:00.000Z	38 \| good	6.638 \| good	29.785 \| good	38.507 \| good	0.153 \| good	0.924 \| good	0.162 \| good
2025-09-15T20:00:00.000Z	33 \| good	5.901 \| good	25.507 \| good	34.219 \| good	0.151 \| good	1.073 \| good	0.163 \| good
2025-09-15T21:00:00.000Z	33 \| good	5.989 \| good	25.915 \| good	32.31 \| good	0.15 \| good	1.222 \| good	0.163 \| good

New Hampshire

Empower business decisions with accurate air quality data

New Hampshire, USA air quality map: Real-time AQI near you

Air quality in cities of New Hampshire, USA

City	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
Keene, New Hampshire	44 Good	8.50μg/m³ Good	36.99μg/m³ Good	35.00ppb Good	0.27ppb Good	2.24ppb Good	0.19ppm Good
Lebanon, New Hampshire	44 Good	7.76μg/m³ Good	34.13μg/m³ Good	26.80ppb Good	0.28ppb Good	0.81ppb Good	0.16ppm Good
Hanover, New Hampshire	44 Good	7.69μg/m³ Good	33.92μg/m³ Good	26.10ppb Good	0.28ppb Good	0.81ppb Good	0.16ppm Good
Claremont, New Hampshire	38 Good	7.38μg/m³ Good	26.44μg/m³ Good	39.58ppb Good	0.28ppb Good	2.28ppb Good	0.20ppm Good
Amherst, New Hampshire	38 Good	7.03μg/m³ Good	26.14μg/m³ Good	39.53ppb Good	0.42ppb Good	3.28ppb Good	0.14ppm Good
Concord, New Hampshire	38 Good	7.03μg/m³ Good	25.54μg/m³ Good	31.49ppb Good	0.42ppb Good	3.21ppb Good	0.15ppm Good
Goffstown, New Hampshire	38 Good	7.04μg/m³ Good	25.01μg/m³ Good	36.32ppb Good	0.42ppb Good	3.20ppb Good	0.14ppm Good
Londonderry, New Hampshire	39 Good	6.86μg/m³ Good	13.99μg/m³ Good	41.83ppb Good	0.44ppb Good	3.69ppb Good	0.10ppm Good
Milford, New Hampshire	38 Good	7.04μg/m³ Good	24.10μg/m³ Good	36.91ppb Good	0.35ppb Good	3.26ppb Good	0.14ppm Good
Bedford, New Hampshire	38 Good	6.99μg/m³ Good	16.11μg/m³ Good	32.09ppb Good	0.42ppb Good	3.31ppb Good	0.14ppm Good
Derry, New Hampshire	38 Good	6.75μg/m³ Good	17.09μg/m³ Good	41.38ppb Good	0.44ppb Good	4.08ppb Good	0.12ppm Good
Hooksett, New Hampshire	38 Good	6.99μg/m³ Good	21.16μg/m³ Good	34.72ppb Good	0.41ppb Good	3.33ppb Good	0.14ppm Good
Merrimack, New Hampshire	38 Good	6.84μg/m³ Good	26.38μg/m³ Good	31.11ppb Good	0.42ppb Good	3.31ppb Good	0.14ppm Good
Salem, New Hampshire	38 Good	6.59μg/m³ Good	26.49μg/m³ Good	40.67ppb Good	0.46ppb Good	4.93ppb Good	0.16ppm Good
Windham, New Hampshire	38 Good	6.59μg/m³ Good	20.15μg/m³ Good	40.83ppb Good	0.44ppb Good	4.64ppb Good	0.14ppm Good
Hudson, New Hampshire	38 Good	6.51μg/m³ Good	22.63μg/m³ Good	39.82ppb Good	0.43ppb Good	4.23ppb Good	0.15ppm Good
Nashua, New Hampshire	38 Good	6.54μg/m³ Good	22.54μg/m³ Good	39.74ppb Good	0.43ppb Good	4.04ppb Good	0.14ppm Good
Pelham, New Hampshire	36 Good	6.42μg/m³ Good	25.10μg/m³ Good	38.50ppb Good	0.45ppb Good	4.86ppb Good	0.15ppm Good
Raymond, New Hampshire	34 Good	6.50μg/m³ Good	24.27μg/m³ Good	36.82ppb Good	0.46ppb Good	3.41ppb Good	0.16ppm Good
Exeter, New Hampshire	33 Good	6.26μg/m³ Good	18.08μg/m³ Good	35.68ppb Good	0.50ppb Good	3.28ppb Good	0.18ppm Good
Rochester, New Hampshire	34 Good	5.87μg/m³ Good	18.71μg/m³ Good	36.55ppb Good	0.48ppb Good	3.39ppb Good	0.17ppm Good
Durham, New Hampshire	33 Good	5.15μg/m³ Good	16.44μg/m³ Good	35.54ppb Good	0.51ppb Good	3.33ppb Good	0.17ppm Good
Dover, New Hampshire	33 Good	5.13μg/m³ Good	16.32μg/m³ Good	35.54ppb Good	0.51ppb Good	3.37ppb Good	0.17ppm Good
Laconia, New Hampshire	32 Good	4.08μg/m³ Good	17.55μg/m³ Good	35.35ppb Good	0.44ppb Good	2.09ppb Good	0.16ppm Good
Somersworth, New Hampshire	33 Good	5.12μg/m³ Good	16.26μg/m³ Good	35.98ppb Good	0.50ppb Good	3.38ppb Good	0.17ppm Good
Hampton, New Hampshire	32 Good	4.75μg/m³ Good	21.41μg/m³ Good	35.00ppb Good	0.52ppb Good	3.22ppb Good	0.18ppm Good
Manchester, New Hampshire	33 Good	5.78μg/m³ Good	20.96μg/m³ Good	31.86ppb Good	0.43ppb Good	3.48ppb Good	0.14ppm Good
Portsmouth, New Hampshire	29 Good	4.52μg/m³ Good	13.48μg/m³ Good	30.95ppb Good	0.60ppb Good	3.27ppb Good	0.18ppm Good
Conway, New Hampshire	28 Good	5.18μg/m³ Good	18.51μg/m³ Good	30.04ppb Good	0.46ppb Good	2.16ppb Good	0.17ppm Good

City	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
No results found

0.25ppm

How accurate is New Hampshire, USA air quality data?

Air quality measurements for New Hampshire, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

Air quality levels in US

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Frequently asked questions

How frequently is the air quality data for New Hampshire, USA updated?

Air quality data for New Hampshire, USA is updated on an hourly basis.

When did New Hampshire, USA experience the worst air quality in the last 24 hours?

The worst air quality in New Hampshire, USA was recorded at 08:00:00 on 2025-09-13.

When did New Hampshire, USA have its best air quality in the last 24 hours?

The best air quality in New Hampshire, USA was recorded at 03:00:00 on 2025-09-13.

What is the real-time air quality index for New Hampshire, USA?

The real-time air quality index in New Hampshire, USA is 33, currently categorized as Good.

Which pollutant is found most often in New Hampshire, USA?

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

What can I do if the air quality in New Hampshire, USA is poor?

If the air quality in New Hampshire, USA is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in New Hampshire, USA?

The measured PM_2.5 levels in New Hampshire, USA at present are 6.375 μg/m³.

What are the current PM₁₀ levels at New Hampshire, USA?

The current PM₁₀ levels in New Hampshire, USA are 22.272 μg/m³.

What are the current carbon monoxide (CO) levels at New Hampshire, USA?

The current carbon monoxide (CO) level in New Hampshire, USA is 0.157 ppm.

What are the current sulfur dioxide (SO₂) levels at New Hampshire, USA?

The current sulfur dioxide (SO₂) levels in New Hampshire, USA are 0.429 ppb.

What are the current ozone (O₃) levels at New Hampshire, USA?

The current ozone (O₃) levels at New Hampshire, USA is 35.578 ppm.

What are the current nitrogen dioxide (NO₂) levels at New Hampshire, USA?

The current nitrogen dioxide (NO₂) levels at New Hampshire, USA is 3.237 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-11T23:00:00.000Z	37 \| good	4.466 \| good	13.706 \| good	40.175 \| good	0.518 \| good	1.262 \| good	0.188 \| good
2025-09-12T00:00:00.000Z	35 \| good	4.443 \| good	17.519 \| good	38.376 \| good	0.411 \| good	2.732 \| good	0.227 \| good
2025-09-12T01:00:00.000Z	35 \| good	5.907 \| good	22.47 \| good	38.39 \| good	0.346 \| good	2.98 \| good	0.292 \| good
2025-09-12T02:00:00.000Z	33 \| good	6.058 \| good	24.956 \| good	34.779 \| good	0.445 \| good	3.061 \| good	0.318 \| good
2025-09-12T03:00:00.000Z	56 \| moderate	11.728 \| good	51.811 \| good	19.493 \| good	0.285 \| good	2.38 \| good	0.185 \| good
2025-09-12T04:00:00.000Z	29 \| good	4.665 \| good	19.52 \| good	31.073 \| good	0.399 \| good	2.653 \| good	0.279 \| good
2025-09-12T05:00:00.000Z	28 \| good	4.767 \| good	15.067 \| good	30.084 \| good	0.41 \| good	2.839 \| good	0.238 \| good
2025-09-12T06:00:00.000Z	27 \| good	5.06 \| good	17.671 \| good	22.86 \| good	0.346 \| good	4.833 \| good	0.197 \| good
2025-09-12T07:00:00.000Z	27 \| good	4.783 \| good	17.759 \| good	17.196 \| good	0.398 \| good	2.849 \| good	0.197 \| good
2025-09-12T08:00:00.000Z	27 \| good	5.305 \| good	23.904 \| good	19.724 \| good	0.398 \| good	3.991 \| good	0.181 \| good
2025-09-12T09:00:00.000Z	33 \| good	6.28 \| good	27.561 \| good	17.01 \| good	0.406 \| good	5.065 \| good	0.174 \| good
2025-09-12T10:00:00.000Z	38 \| good	6.643 \| good	25.324 \| good	11.123 \| good	0.476 \| good	6.783 \| good	0.201 \| good
2025-09-12T11:00:00.000Z	38 \| good	6.631 \| good	19.894 \| good	9.325 \| good	0.408 \| good	5.856 \| good	0.188 \| good
2025-09-12T12:00:00.000Z	33 \| good	5.758 \| good	18.174 \| good	10.46 \| good	0.414 \| good	6.288 \| good	0.202 \| good
2025-09-12T13:00:00.000Z	27 \| good	5.365 \| good	21.558 \| good	11.233 \| good	0.485 \| good	6.019 \| good	0.188 \| good
2025-09-12T14:00:00.000Z	27 \| good	5.096 \| good	16.235 \| good	13.392 \| good	0.502 \| good	4.068 \| good	0.213 \| good
2025-09-12T15:00:00.000Z	27 \| good	5.054 \| good	16.889 \| good	16.252 \| good	0.426 \| good	3.783 \| good	0.164 \| good
2025-09-12T16:00:00.000Z	27 \| good	4.893 \| good	16.83 \| good	22.253 \| good	0.483 \| good	3.881 \| good	0.174 \| good
2025-09-12T17:00:00.000Z	27 \| good	5.074 \| good	22.651 \| good	24.578 \| good	0.57 \| good	3.583 \| good	0.137 \| good
2025-09-12T18:00:00.000Z	27 \| good	4.739 \| good	18.362 \| good	28.538 \| good	0.498 \| good	5.237 \| good	0.134 \| good
2025-09-12T19:00:00.000Z	31 \| good	4.601 \| good	13.876 \| good	34.119 \| good	0.489 \| good	3.01 \| good	0.163 \| good
2025-09-12T20:00:00.000Z	31 \| good	5.088 \| good	22.334 \| good	34.222 \| good	0.425 \| good	3.466 \| good	0.126 \| good
2025-09-12T21:00:00.000Z	33 \| good	5.016 \| good	13.856 \| good	35.847 \| good	0.439 \| good	4.576 \| good	0.139 \| good
2025-09-12T22:00:00.000Z	33 \| good	5.174 \| good	20.027 \| good	36.05 \| good	0.372 \| good	2.961 \| good	0.126 \| good
2025-09-12T23:00:00.000Z	32 \| good	5.194 \| good	23.918 \| good	34.578 \| good	0.41 \| good	2.502 \| good	0.175 \| good
2025-09-13T00:00:00.000Z	31 \| good	5.092 \| good	17.365 \| good	33.324 \| good	0.41 \| good	2.68 \| good	0.188 \| good
2025-09-13T01:00:00.000Z	27 \| good	5.115 \| good	21.1 \| good	29.468 \| good	0.364 \| good	2.942 \| good	0.202 \| good
2025-09-13T02:00:00.000Z	27 \| good	5.459 \| good	29.061 \| good	26.248 \| good	0.416 \| good	3.989 \| good	0.25 \| good
2025-09-13T03:00:00.000Z	22 \| good	4.332 \| good	16.377 \| good	20.886 \| good	0.401 \| good	4.037 \| good	0.227 \| good
2025-09-13T04:00:00.000Z	27 \| good	4.645 \| good	22.677 \| good	20.644 \| good	0.41 \| good	4.389 \| good	0.276 \| good
2025-09-13T05:00:00.000Z	27 \| good	4.704 \| good	19.567 \| good	18.596 \| good	0.403 \| good	5.668 \| good	0.266 \| good
2025-09-13T06:00:00.000Z	27 \| good	5.05 \| good	24.516 \| good	15.067 \| good	0.411 \| good	9.074 \| good	0.253 \| good
2025-09-13T07:00:00.000Z	27 \| good	5.097 \| good	24.668 \| good	13.179 \| good	0.47 \| good	7.809 \| good	0.263 \| good
2025-09-13T08:00:00.000Z	27 \| good	5.196 \| good	20.54 \| good	10.243 \| good	0.405 \| good	8.292 \| good	0.227 \| good
2025-09-13T09:00:00.000Z	27 \| good	5.085 \| good	18.532 \| good	7.258 \| good	0.413 \| good	7.368 \| good	0.178 \| good
2025-09-13T10:00:00.000Z	33 \| good	5.536 \| good	18.655 \| good	4.609 \| good	0.41 \| good	7.771 \| good	0.201 \| good
2025-09-13T11:00:00.000Z	27 \| good	5.333 \| good	18.654 \| good	5.287 \| good	0.481 \| good	6.329 \| good	0.178 \| good
2025-09-13T12:00:00.000Z	33 \| good	5.521 \| good	24.241 \| good	4.734 \| good	0.425 \| good	6.087 \| good	0.253 \| good
2025-09-13T13:00:00.000Z	33 \| good	5.994 \| good	27.404 \| good	5.883 \| good	0.447 \| good	5.592 \| good	0.204 \| good
2025-09-13T14:00:00.000Z	33 \| good	5.754 \| good	22.13 \| good	9.021 \| good	0.511 \| good	6.106 \| good	0.165 \| good
2025-09-13T15:00:00.000Z	27 \| good	5.444 \| good	25.313 \| good	17.011 \| good	0.434 \| good	4.179 \| good	0.139 \| good
2025-09-13T16:00:00.000Z	33 \| good	5.952 \| good	24.515 \| good	19.663 \| good	0.411 \| good	3.136 \| good	0.139 \| good
2025-09-13T17:00:00.000Z	33 \| good	5.733 \| good	19.055 \| good	22.637 \| good	0.526 \| good	3.923 \| good	0.139 \| good
2025-09-13T18:00:00.000Z	33 \| good	6.286 \| good	23.994 \| good	26.577 \| good	0.443 \| good	2.985 \| good	0.139 \| good
2025-09-13T19:00:00.000Z	38 \| good	6.867 \| good	18.01 \| good	29.544 \| good	0.443 \| good	2.404 \| good	0.139 \| good
2025-09-13T20:00:00.000Z	38 \| good	7.025 \| good	25.537 \| good	31.49 \| good	0.418 \| good	3.206 \| good	0.152 \| good
2025-09-13T21:00:00.000Z	33 \| good	6.231 \| good	20.344 \| good	30.45 \| good	0.434 \| good	3.235 \| good	0.165 \| good
2025-09-13T22:00:00.000Z	31 \| good	5.483 \| good	19.246 \| good	34.195 \| good	0.495 \| good	4.962 \| good	0.165 \| good
2025-09-13T22:00:00.000Z	38 \| good	6.506 \| good	24.099 \| good	34.607 \| good	0.473 \| good	3.651 \| good	0.169 \| good
2025-09-13T22:00:00.000Z	52 \| moderate	10.149 \| good	44.817 \| good	24.677 \| good	0.332 \| good	4.148 \| good	0.195 \| good
2025-09-13T23:00:00.000Z	52 \| moderate	10.292 \| good	45.764 \| good	25.132 \| good	0.371 \| good	6.401 \| good	0.22 \| good
2025-09-14T00:00:00.000Z	54 \| moderate	10.716 \| good	47.355 \| good	23.828 \| good	0.41 \| good	8.655 \| good	0.246 \| good
2025-09-14T01:00:00.000Z	54 \| moderate	10.558 \| good	46.856 \| good	20.981 \| good	0.438 \| good	8.197 \| good	0.245 \| good
2025-09-14T02:00:00.000Z	54 \| moderate	11.081 \| good	49.142 \| good	18.668 \| good	0.467 \| good	7.739 \| good	0.244 \| good
2025-09-14T03:00:00.000Z	56 \| moderate	11.932 \| good	53.348 \| good	14.94 \| good	0.496 \| good	7.28 \| good	0.243 \| good
2025-09-14T04:00:00.000Z	56 \| moderate	12.275 \| fine	55.862 \| fine	12.935 \| good	0.472 \| good	6.602 \| good	0.237 \| good
2025-09-14T05:00:00.000Z	56 \| moderate	12.381 \| fine	56.008 \| fine	8.89 \| good	0.448 \| good	5.925 \| good	0.231 \| good
2025-09-14T06:00:00.000Z	56 \| moderate	12.196 \| fine	54.797 \| good	6.258 \| good	0.424 \| good	5.247 \| good	0.224 \| good
2025-09-14T07:00:00.000Z	56 \| moderate	11.989 \| good	54.058 \| good	4.975 \| good	0.423 \| good	5.155 \| good	0.226 \| good
2025-09-14T08:00:00.000Z	56 \| moderate	12.242 \| fine	55.302 \| fine	4.701 \| good	0.422 \| good	5.064 \| good	0.227 \| good
2025-09-14T09:00:00.000Z	54 \| moderate	10.933 \| good	48.213 \| good	4.08 \| good	0.42 \| good	4.972 \| good	0.228 \| good
2025-09-14T10:00:00.000Z	56 \| moderate	11.742 \| good	51.546 \| good	3.955 \| good	0.415 \| good	4.783 \| good	0.235 \| good
2025-09-14T11:00:00.000Z	56 \| moderate	11.618 \| good	51.403 \| good	6.793 \| good	0.409 \| good	4.593 \| good	0.242 \| good
2025-09-14T12:00:00.000Z	58 \| moderate	12.617 \| fine	57.117 \| fine	10.54 \| good	0.403 \| good	4.404 \| good	0.249 \| good
2025-09-14T13:00:00.000Z	58 \| moderate	13.027 \| fine	59.085 \| fine	21.897 \| good	0.423 \| good	3.188 \| good	0.222 \| good
2025-09-14T14:00:00.000Z	54 \| moderate	11.126 \| good	49.287 \| good	30.157 \| good	0.443 \| good	1.972 \| good	0.194 \| good
2025-09-14T15:00:00.000Z	49 \| good	9.05 \| good	39.852 \| good	34.292 \| good	0.462 \| good	0.757 \| good	0.167 \| good
2025-09-14T16:00:00.000Z	38 \| good	7.469 \| good	33.004 \| good	37.73 \| good	0.374 \| good	0.685 \| good	0.161 \| good
2025-09-14T17:00:00.000Z	38 \| good	6.643 \| good	29.718 \| good	36.458 \| good	0.287 \| good	0.614 \| good	0.155 \| good
2025-09-14T18:00:00.000Z	38 \| good	6.563 \| good	29.547 \| good	36.098 \| good	0.199 \| good	0.543 \| good	0.149 \| good
2025-09-14T19:00:00.000Z	34 \| good	6.439 \| good	28.605 \| good	37.11 \| good	0.181 \| good	0.694 \| good	0.149 \| good
2025-09-14T20:00:00.000Z	38 \| good	6.591 \| good	29.578 \| good	37.092 \| good	0.164 \| good	0.846 \| good	0.15 \| good
2025-09-14T21:00:00.000Z	33 \| good	6.061 \| good	27.031 \| good	34.921 \| good	0.147 \| good	0.997 \| good	0.151 \| good
2025-09-14T22:00:00.000Z	35 \| good	5.355 \| good	23.072 \| good	37.794 \| good	0.206 \| good	3.927 \| good	0.184 \| good
2025-09-14T23:00:00.000Z	28 \| good	5.372 \| good	23.452 \| good	29.838 \| good	0.266 \| good	6.856 \| good	0.217 \| good
2025-09-15T00:00:00.000Z	38 \| good	6.82 \| good	30.333 \| good	26.759 \| good	0.325 \| good	9.786 \| good	0.251 \| good
2025-09-15T01:00:00.000Z	52 \| moderate	9.771 \| good	43.181 \| good	27.644 \| good	0.364 \| good	10.093 \| good	0.261 \| good
2025-09-15T02:00:00.000Z	58 \| moderate	13.006 \| fine	58.451 \| fine	25.785 \| good	0.403 \| good	10.4 \| good	0.271 \| good
2025-09-15T03:00:00.000Z	60 \| moderate	14.378 \| fine	64.372 \| fine	21.6 \| good	0.443 \| good	10.707 \| good	0.281 \| good
2025-09-15T04:00:00.000Z	58 \| moderate	13.13 \| fine	58.803 \| fine	18.198 \| good	0.38 \| good	8.537 \| good	0.259 \| good
2025-09-15T05:00:00.000Z	52 \| moderate	10.397 \| good	46.281 \| good	10.688 \| good	0.317 \| good	6.367 \| good	0.237 \| good
2025-09-15T06:00:00.000Z	44 \| good	8.109 \| good	36.096 \| good	7.193 \| good	0.255 \| good	4.197 \| good	0.215 \| good
2025-09-15T07:00:00.000Z	38 \| good	6.598 \| good	29.282 \| good	3.69 \| good	0.25 \| good	3.537 \| good	0.206 \| good
2025-09-15T08:00:00.000Z	38 \| good	6.51 \| good	29.225 \| good	2.01 \| good	0.246 \| good	2.877 \| good	0.197 \| good
2025-09-15T09:00:00.000Z	38 \| good	6.577 \| good	29.24 \| good	2.325 \| good	0.242 \| good	2.217 \| good	0.188 \| good
2025-09-15T10:00:00.000Z	38 \| good	6.754 \| good	30.004 \| good	2.574 \| good	0.237 \| good	2.514 \| good	0.194 \| good
2025-09-15T11:00:00.000Z	44 \| good	8.27 \| good	36.059 \| good	4.992 \| good	0.233 \| good	2.81 \| good	0.2 \| good
2025-09-15T12:00:00.000Z	52 \| moderate	10.007 \| good	44.316 \| good	7.536 \| good	0.228 \| good	3.106 \| good	0.206 \| good
2025-09-15T13:00:00.000Z	54 \| moderate	11.271 \| good	50.074 \| good	14.873 \| good	0.223 \| good	2.353 \| good	0.194 \| good
2025-09-15T14:00:00.000Z	54 \| moderate	11.089 \| good	49.102 \| good	27.143 \| good	0.217 \| good	1.6 \| good	0.183 \| good
2025-09-15T15:00:00.000Z	52 \| moderate	9.826 \| good	43.889 \| good	38.569 \| good	0.212 \| good	0.847 \| good	0.171 \| good
2025-09-15T16:00:00.000Z	49 \| good	9.038 \| good	40.49 \| good	45.584 \| good	0.192 \| good	0.823 \| good	0.168 \| good
2025-09-15T17:00:00.000Z	44 \| good	8.368 \| good	36.888 \| good	47.891 \| good	0.173 \| good	0.799 \| good	0.165 \| good
2025-09-15T18:00:00.000Z	44 \| good	7.58 \| good	33.132 \| good	46.278 \| good	0.154 \| good	0.775 \| good	0.162 \| good
2025-09-15T19:00:00.000Z	38 \| good	6.638 \| good	29.785 \| good	38.507 \| good	0.153 \| good	0.924 \| good	0.162 \| good
2025-09-15T20:00:00.000Z	33 \| good	5.901 \| good	25.507 \| good	34.219 \| good	0.151 \| good	1.073 \| good	0.163 \| good
2025-09-15T21:00:00.000Z	33 \| good	5.989 \| good	25.915 \| good	32.31 \| good	0.15 \| good	1.222 \| good	0.163 \| good

Real-time air quality index in New Hampshire, USA today

Common air pollutants in New Hampshire, USA

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live New Hampshire, USA air quality forecast and history

Empower business decisions with accurate air quality data

New Hampshire, USA air quality map: Real-time AQI near you

Air quality in cities of New Hampshire, USA

Air quality in nearby states

Massachusetts, USA

Vermont, USA

Rhode Island, USA

Connecticut, USA

Maine, USA

New York, USA

How accurate is New Hampshire, USA air quality data?

Air quality levels in US

Frequently asked questions

How frequently is the air quality data for New Hampshire, USA updated?

When did New Hampshire, USA experience the worst air quality in the last 24 hours?

When did New Hampshire, USA have its best air quality in the last 24 hours?

What is the real-time air quality index for New Hampshire, USA?

Which pollutant is found most often in New Hampshire, USA?

What can I do if the air quality in New Hampshire, USA is poor?

What are the current PM2.5 levels in New Hampshire, USA?

What are the current PM10 levels at New Hampshire, USA?

What are the current carbon monoxide (CO) levels at New Hampshire, USA?

What are the current sulfur dioxide (SO2) levels at New Hampshire, USA?

What are the current ozone (O3) levels at New Hampshire, USA?

What are the current nitrogen dioxide (NO2) levels at New Hampshire, USA?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What are the current PM_2.5 levels in New Hampshire, USA?

What are the current PM₁₀ levels at New Hampshire, USA?

What are the current sulfur dioxide (SO₂) levels at New Hampshire, USA?

What are the current ozone (O₃) levels at New Hampshire, USA?

What are the current nitrogen dioxide (NO₂) levels at New Hampshire, USA?