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

The current PM10 levels in New Hampshire, USA are 36.917 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 1.357 ppb.

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

The current ozone (O3) levels at New Hampshire, USA is 39.144 ppm.

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

The current nitrogen dioxide (NO2) levels at New Hampshire, USA is 4.211 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)

8.89 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

35.40 μg/m³

155

255

425

605+

Ozone (O₃)

14.69 ppb

201

201+

Sulfur Dioxide (SO₂)

0.43 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

9.89 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.28 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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
2025-07-28T12:00:00.000Z	73 \| moderate	20.714 \| fine	57.177 \| fine	8.317 \| good	0.353 \| good	7.799 \| good	0.242 \| good
2025-07-28T13:00:00.000Z	79 \| moderate	24.284 \| fine	97.503 \| fine	8.724 \| good	7.925 \| good	6.638 \| good	0.255 \| good
2025-07-28T14:00:00.000Z	77 \| moderate	23.087 \| fine	64.162 \| fine	12.468 \| good	5.558 \| good	4.893 \| good	0.255 \| good
2025-07-28T15:00:00.000Z	73 \| moderate	20.841 \| fine	70.658 \| fine	20.278 \| good	2.352 \| good	4.541 \| good	0.362 \| good
2025-07-28T16:00:00.000Z	63 \| moderate	11.423 \| good	79.406 \| fine	20.265 \| good	3.941 \| good	4.317 \| good	0.332 \| good
2025-07-28T17:00:00.000Z	68 \| moderate	10.345 \| good	88.765 \| fine	23.805 \| good	2.983 \| good	4.017 \| good	0.305 \| good
2025-07-28T18:00:00.000Z	58 \| moderate	13.379 \| fine	35.871 \| good	33.172 \| good	4.297 \| good	3.717 \| good	0.272 \| good
2025-07-28T19:00:00.000Z	62 \| moderate	14.858 \| fine	37.776 \| good	33.114 \| good	1.743 \| good	4.022 \| good	0.299 \| good
2025-07-28T20:00:00.000Z	62 \| moderate	15.328 \| fine	46.989 \| good	33.736 \| good	1.803 \| good	4.149 \| good	0.277 \| good
2025-07-28T21:00:00.000Z	64 \| moderate	15.659 \| fine	36.059 \| good	32.474 \| good	1.793 \| good	4.637 \| good	0.236 \| good
2025-07-28T22:00:00.000Z	62 \| moderate	15.332 \| fine	37.332 \| good	31.682 \| good	1.767 \| good	1.707 \| good	0.248 \| good
2025-07-28T23:00:00.000Z	58 \| moderate	12.878 \| fine	31.17 \| good	32.988 \| good	1.024 \| good	3.697 \| good	0.267 \| good
2025-07-29T00:00:00.000Z	62 \| moderate	14.754 \| fine	61.213 \| fine	34.28 \| good	2.073 \| good	5.381 \| good	0.216 \| good
2025-07-29T01:00:00.000Z	60 \| moderate	13.705 \| fine	55.243 \| fine	31.718 \| good	2.032 \| good	5.261 \| good	0.242 \| good
2025-07-29T02:00:00.000Z	60 \| moderate	14.433 \| fine	56.61 \| fine	26.697 \| good	0.6 \| good	15.793 \| good	0.281 \| good
2025-07-29T03:00:00.000Z	60 \| moderate	13.9 \| fine	58.873 \| fine	19.19 \| good	0.43 \| good	18.365 \| good	0.294 \| good
2025-07-29T04:00:00.000Z	60 \| moderate	13.665 \| fine	30.841 \| good	19.172 \| good	0.281 \| good	18.891 \| good	0.294 \| good
2025-07-29T05:00:00.000Z	58 \| moderate	12.864 \| fine	32.459 \| good	14.389 \| good	0.266 \| good	11.692 \| good	0.196 \| good
2025-07-29T06:00:00.000Z	60 \| moderate	13.982 \| fine	56.628 \| fine	9.717 \| good	0.38 \| good	10.291 \| good	0.206 \| good
2025-07-29T07:00:00.000Z	58 \| moderate	13.241 \| fine	54.162 \| good	5.991 \| good	0.321 \| good	8.792 \| good	0.199 \| good
2025-07-29T08:00:00.000Z	60 \| moderate	14.374 \| fine	73.485 \| fine	5.295 \| good	0.301 \| good	5.497 \| good	0.199 \| good
2025-07-29T09:00:00.000Z	60 \| moderate	13.922 \| fine	44.342 \| good	25.091 \| good	0.271 \| good	7.757 \| good	0.194 \| good
2025-07-29T10:00:00.000Z	60 \| moderate	13.79 \| fine	33.693 \| good	2.889 \| good	0.354 \| good	12.075 \| good	0.203 \| good
2025-07-29T11:00:00.000Z	60 \| moderate	14.445 \| fine	59.361 \| fine	3.923 \| good	0.284 \| good	12.2 \| good	0.216 \| good
2025-07-29T12:00:00.000Z	62 \| moderate	14.527 \| fine	56.423 \| fine	8.851 \| good	0.282 \| good	11.934 \| good	0.228 \| good
2025-07-29T13:00:00.000Z	60 \| moderate	13.749 \| fine	40.578 \| good	7.51 \| good	5.18 \| good	9.718 \| good	0.229 \| good
2025-07-29T14:00:00.000Z	60 \| moderate	13.811 \| fine	53.764 \| good	25.307 \| good	3.263 \| good	8.529 \| good	0.24 \| good
2025-07-29T15:00:00.000Z	60 \| moderate	14.126 \| fine	32.423 \| good	30.05 \| good	15.465 \| good	5.795 \| good	0.253 \| good
2025-07-29T16:00:00.000Z	60 \| moderate	13.561 \| fine	54.016 \| good	31.921 \| good	5.826 \| good	5.362 \| good	0.235 \| good
2025-07-29T17:00:00.000Z	58 \| moderate	12.704 \| fine	30.694 \| good	38.595 \| good	3.661 \| good	4.893 \| good	0.235 \| good
2025-07-29T18:00:00.000Z	54 \| moderate	11.191 \| good	29.229 \| good	38.717 \| good	7.92 \| good	4.621 \| good	0.218 \| good
2025-07-29T19:00:00.000Z	54 \| moderate	10.561 \| good	44.575 \| good	38.679 \| good	7.342 \| good	4.954 \| good	0.188 \| good
2025-07-29T20:00:00.000Z	52 \| moderate	10.225 \| good	41.316 \| good	41.183 \| good	3.774 \| good	3.765 \| good	0.217 \| good
2025-07-29T21:00:00.000Z	49 \| good	9.247 \| good	35.527 \| good	39.635 \| good	2.434 \| good	2.933 \| good	0.235 \| good
2025-07-29T22:00:00.000Z	49 \| good	8.541 \| good	22.334 \| good	40.369 \| good	6.865 \| good	1.879 \| good	0.223 \| good
2025-07-29T23:00:00.000Z	52 \| moderate	10.319 \| good	32.185 \| good	36.118 \| good	2.612 \| good	2.846 \| good	0.226 \| good
2025-07-30T00:00:00.000Z	52 \| moderate	10.13 \| good	39.335 \| good	36.432 \| good	2.615 \| good	4.451 \| good	0.213 \| good
2025-07-30T01:00:00.000Z	59 \| moderate	6.508 \| good	70.814 \| fine	32.728 \| good	0.847 \| good	5.404 \| good	0.175 \| good
2025-07-30T02:00:00.000Z	52 \| moderate	9.937 \| good	50.507 \| good	30.511 \| good	0.457 \| good	6.962 \| good	0.175 \| good
2025-07-30T03:00:00.000Z	84 \| moderate	26.569 \| fine	115 \| fine	19.76 \| good	0.157 \| good	4.006 \| good	0.22 \| good
2025-07-30T04:00:00.000Z	45 \| good	8.2 \| good	49.291 \| good	30.371 \| good	0.399 \| good	9.41 \| good	0.249 \| good
2025-07-30T05:00:00.000Z	49 \| good	8.554 \| good	31.857 \| good	29.568 \| good	0.562 \| good	10.661 \| good	0.297 \| good
2025-07-30T06:00:00.000Z	44 \| good	7.974 \| good	27.648 \| good	19.707 \| good	0.388 \| good	14.294 \| good	0.272 \| good
2025-07-30T07:00:00.000Z	49 \| good	9.103 \| good	47.134 \| good	17.982 \| good	0.418 \| good	10.006 \| good	0.29 \| good
2025-07-30T08:00:00.000Z	49 \| good	9.489 \| good	34.197 \| good	19.452 \| good	0.245 \| good	11.382 \| good	0.278 \| good
2025-07-30T09:00:00.000Z	52 \| moderate	9.538 \| good	34.222 \| good	17.281 \| good	0.229 \| good	9.986 \| good	0.281 \| good
2025-07-30T10:00:00.000Z	49 \| good	8.729 \| good	33.366 \| good	14.176 \| good	0.226 \| good	8.899 \| good	0.272 \| good
2025-07-30T11:00:00.000Z	49 \| good	8.894 \| good	35.4 \| good	14.685 \| good	0.431 \| good	9.891 \| good	0.283 \| good
2025-07-30T02:00:00.000Z	84 \| moderate	26.692 \| fine	115.694 \| fine	22.578 \| good	0.124 \| good	3.12 \| good	0.212 \| good
2025-07-30T03:00:00.000Z	84 \| moderate	26.871 \| fine	117.085 \| fine	18.275 \| good	0.126 \| good	3.234 \| good	0.221 \| good
2025-07-30T04:00:00.000Z	84 \| moderate	27.086 \| fine	117.682 \| fine	18.47 \| good	0.13 \| good	3.486 \| good	0.23 \| good
2025-07-30T05:00:00.000Z	84 \| moderate	26.995 \| fine	117.497 \| fine	17.985 \| good	0.134 \| good	3.738 \| good	0.24 \| good
2025-07-30T06:00:00.000Z	82 \| moderate	26.431 \| fine	115.067 \| fine	22.807 \| good	0.138 \| good	3.989 \| good	0.249 \| good
2025-07-30T07:00:00.000Z	82 \| moderate	26.052 \| fine	113.347 \| fine	22.21 \| good	0.142 \| good	4.216 \| good	0.258 \| good
2025-07-30T08:00:00.000Z	81 \| moderate	25.497 \| fine	111.237 \| fine	16.537 \| good	0.147 \| good	4.444 \| good	0.266 \| good
2025-07-30T09:00:00.000Z	88 \| moderate	28.65 \| fine	123.855 \| fine	11.94 \| good	0.151 \| good	4.671 \| good	0.275 \| good
2025-07-30T10:00:00.000Z	86 \| moderate	28.218 \| fine	122.813 \| fine	8.656 \| good	0.156 \| good	4.001 \| good	0.279 \| good
2025-07-30T11:00:00.000Z	86 \| moderate	28.399 \| fine	122.826 \| fine	14.541 \| good	0.161 \| good	3.332 \| good	0.283 \| good
2025-07-30T12:00:00.000Z	86 \| moderate	27.894 \| fine	120.856 \| fine	17.648 \| good	0.166 \| good	2.662 \| good	0.286 \| good
2025-07-30T13:00:00.000Z	82 \| moderate	26.184 \| fine	114.487 \| fine	25.212 \| good	0.18 \| good	2.08 \| good	0.264 \| good
2025-07-30T14:00:00.000Z	77 \| moderate	23.333 \| fine	101.87 \| fine	32.678 \| good	0.194 \| good	1.498 \| good	0.242 \| good
2025-07-30T15:00:00.000Z	75 \| moderate	22.072 \| fine	96.36 \| fine	34.122 \| good	0.208 \| good	0.916 \| good	0.22 \| good
2025-07-30T16:00:00.000Z	75 \| moderate	21.728 \| fine	95.318 \| fine	33.977 \| good	0.186 \| good	0.793 \| good	0.204 \| good
2025-07-30T17:00:00.000Z	77 \| moderate	22.508 \| fine	98.73 \| fine	37.73 \| good	0.163 \| good	0.67 \| good	0.187 \| good
2025-07-30T18:00:00.000Z	69 \| moderate	19.24 \| fine	85.241 \| fine	40.992 \| good	0.141 \| good	0.546 \| good	0.171 \| good
2025-07-30T19:00:00.000Z	66 \| moderate	17.265 \| fine	76.775 \| fine	44.513 \| good	0.137 \| good	0.633 \| good	0.166 \| good
2025-07-30T20:00:00.000Z	66 \| moderate	17.489 \| fine	77.418 \| fine	46.262 \| good	0.132 \| good	0.719 \| good	0.161 \| good
2025-07-30T21:00:00.000Z	66 \| moderate	17.383 \| fine	77.118 \| fine	42.821 \| good	0.128 \| good	0.805 \| good	0.156 \| good
2025-07-30T22:00:00.000Z	67 \| moderate	17.981 \| fine	79 \| fine	40.95 \| good	0.135 \| good	1.853 \| good	0.168 \| good
2025-07-30T23:00:00.000Z	67 \| moderate	18.363 \| fine	81 \| fine	34.253 \| good	0.142 \| good	2.9 \| good	0.179 \| good
2025-07-31T00:00:00.000Z	73 \| moderate	21.101 \| fine	92.937 \| fine	31.981 \| good	0.149 \| good	3.947 \| good	0.191 \| good
2025-07-31T01:00:00.000Z	67 \| moderate	18.144 \| fine	79.844 \| fine	29.218 \| good	0.163 \| good	4.98 \| good	0.207 \| good
2025-07-31T02:00:00.000Z	66 \| moderate	16.702 \| fine	74.067 \| fine	24.299 \| good	0.178 \| good	6.012 \| good	0.223 \| good
2025-07-31T03:00:00.000Z	66 \| moderate	16.698 \| fine	73.574 \| fine	23.378 \| good	0.192 \| good	7.045 \| good	0.239 \| good
2025-07-31T04:00:00.000Z	64 \| moderate	16.222 \| fine	71.945 \| fine	19.324 \| good	0.18 \| good	6.642 \| good	0.241 \| good
2025-07-31T05:00:00.000Z	64 \| moderate	15.839 \| fine	70.479 \| fine	18.74 \| good	0.167 \| good	6.239 \| good	0.243 \| good
2025-07-31T06:00:00.000Z	64 \| moderate	16.213 \| fine	72.304 \| fine	16.229 \| good	0.155 \| good	5.836 \| good	0.245 \| good
2025-07-31T07:00:00.000Z	66 \| moderate	17.2 \| fine	76.397 \| fine	16.405 \| good	0.145 \| good	4.709 \| good	0.231 \| good
2025-07-31T08:00:00.000Z	67 \| moderate	18.168 \| fine	80.822 \| fine	12.113 \| good	0.135 \| good	3.581 \| good	0.217 \| good
2025-07-31T09:00:00.000Z	67 \| moderate	17.592 \| fine	77.68 \| fine	9.532 \| good	0.124 \| good	2.454 \| good	0.203 \| good
2025-07-31T10:00:00.000Z	67 \| moderate	17.873 \| fine	78.749 \| fine	16.393 \| good	0.13 \| good	2.593 \| good	0.205 \| good
2025-07-31T11:00:00.000Z	67 \| moderate	18.145 \| fine	80.576 \| fine	19.159 \| good	0.136 \| good	2.731 \| good	0.206 \| good
2025-07-31T12:00:00.000Z	67 \| moderate	17.578 \| fine	78.458 \| fine	23.597 \| good	0.142 \| good	2.869 \| good	0.207 \| good
2025-07-31T13:00:00.000Z	64 \| moderate	16.14 \| fine	71.549 \| fine	25.006 \| good	0.165 \| good	2.457 \| good	0.214 \| good
2025-07-31T14:00:00.000Z	62 \| moderate	14.992 \| fine	66.999 \| fine	23.477 \| good	0.188 \| good	2.044 \| good	0.22 \| good
2025-07-31T15:00:00.000Z	60 \| moderate	14.42 \| fine	64.937 \| fine	20.311 \| good	0.21 \| good	1.632 \| good	0.227 \| good
2025-07-31T16:00:00.000Z	60 \| moderate	14.166 \| fine	63 \| fine	18.55 \| good	0.215 \| good	1.575 \| good	0.229 \| good
2025-07-31T17:00:00.000Z	60 \| moderate	14.339 \| fine	64.63 \| fine	20.645 \| good	0.219 \| good	1.518 \| good	0.231 \| good
2025-07-31T18:00:00.000Z	60 \| moderate	13.822 \| fine	62.522 \| fine	25.054 \| good	0.223 \| good	1.462 \| good	0.234 \| good
2025-07-31T19:00:00.000Z	60 \| moderate	13.52 \| fine	61.056 \| fine	23.544 \| good	0.236 \| good	1.917 \| good	0.241 \| good
2025-07-31T20:00:00.000Z	58 \| moderate	13.43 \| fine	60.786 \| fine	22.903 \| good	0.249 \| good	2.373 \| good	0.248 \| good
2025-07-31T21:00:00.000Z	58 \| moderate	13.216 \| fine	59.564 \| fine	22.547 \| good	0.261 \| good	2.828 \| good	0.255 \| good
2025-07-31T22:00:00.000Z	58 \| moderate	12.928 \| fine	57.813 \| fine	21.289 \| good	0.291 \| good	3.26 \| good	0.263 \| good
2025-07-31T23:00:00.000Z	58 \| moderate	12.507 \| fine	56.636 \| fine	18.811 \| good	0.32 \| good	3.691 \| good	0.27 \| good
2025-08-01T00:00:00.000Z	75 \| moderate	21.895 \| fine	22.106 \| good	36.224 \| good	0.347 \| good	4.136 \| good	0.278 \| good
2025-08-01T01:00:00.000Z	58 \| moderate	13.262 \| fine	59.43 \| fine	19.414 \| good	0.348 \| good	3.841 \| good	0.276 \| 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
Conway, New Hampshire	64 Moderate	9.12μg/m³ Good	81.34μg/m³ Fine	19.38ppb Good	0.45ppb Good	8.48ppb Good	0.25ppm Good
Bedford, New Hampshire	58 Moderate	9.07μg/m³ Good	69.73μg/m³ Fine	13.56ppb Good	0.44ppb Good	9.14ppb Good	0.30ppm Good
Pelham, New Hampshire	57 Moderate	9.49μg/m³ Good	68.23μg/m³ Fine	22.19ppb Good	0.49ppb Good	11.96ppb Good	0.30ppm Good
Durham, New Hampshire	55 Moderate	9.35μg/m³ Good	64.31μg/m³ Fine	12.65ppb Good	0.51ppb Good	8.52ppb Good	0.26ppm Good
Exeter, New Hampshire	52 Moderate	10.22μg/m³ Good	35.97μg/m³ Good	23.68ppb Good	0.50ppb Good	8.86ppb Good	0.26ppm Good
Hampton, New Hampshire	52 Moderate	10.33μg/m³ Good	36.10μg/m³ Good	17.05ppb Good	0.52ppb Good	8.70ppb Good	0.25ppm Good
Raymond, New Hampshire	52 Moderate	10.48μg/m³ Good	39.40μg/m³ Good	19.11ppb Good	0.40ppb Good	8.91ppb Good	0.28ppm Good
Rochester, New Hampshire	54 Moderate	10.50μg/m³ Good	49.11μg/m³ Good	17.05ppb Good	0.47ppb Good	8.53ppb Good	0.26ppm Good
Dover, New Hampshire	52 Moderate	9.51μg/m³ Good	34.35μg/m³ Good	13.15ppb Good	0.50ppb Good	8.46ppb Good	0.26ppm Good
Portsmouth, New Hampshire	52 Moderate	9.90μg/m³ Good	21.11μg/m³ Good	10.48ppb Good	0.60ppb Good	8.49ppb Good	0.25ppm Good
Somersworth, New Hampshire	52 Moderate	9.98μg/m³ Good	39.69μg/m³ Good	13.38ppb Good	0.49ppb Good	8.44ppb Good	0.26ppm Good
Manchester, New Hampshire	49 Good	9.27μg/m³ Good	16.58μg/m³ Good	11.30ppb Good	0.41ppb Good	9.13ppb Good	0.31ppm Good
Derry, New Hampshire	49 Good	8.84μg/m³ Good	19.30μg/m³ Good	15.65ppb Good	0.63ppb Good	11.29ppb Good	0.36ppm Good
Milford, New Hampshire	49 Good	8.90μg/m³ Good	34.55μg/m³ Good	17.22ppb Good	0.39ppb Good	10.82ppb Good	0.27ppm Good
Windham, New Hampshire	49 Good	8.84μg/m³ Good	23.83μg/m³ Good	13.45ppb Good	0.57ppb Good	11.60ppb Good	0.33ppm Good
Concord, New Hampshire	49 Good	8.73μg/m³ Good	33.37μg/m³ Good	14.18ppb Good	0.23ppb Good	8.90ppb Good	0.27ppm Good
Londonderry, New Hampshire	49 Good	8.80μg/m³ Good	14.45μg/m³ Good	18.17ppb Good	0.68ppb Good	11.13ppb Good	0.39ppm Good
Merrimack, New Hampshire	49 Good	8.80μg/m³ Good	26.23μg/m³ Good	12.33ppb Good	0.49ppb Good	10.91ppb Good	0.31ppm Good
Goffstown, New Hampshire	49 Good	8.53μg/m³ Good	26.49μg/m³ Good	20.54ppb Good	0.33ppb Good	8.97ppb Good	0.27ppm Good
Hooksett, New Hampshire	49 Good	8.59μg/m³ Good	26.30μg/m³ Good	13.80ppb Good	0.21ppb Good	9.33ppb Good	0.29ppm Good
Hudson, New Hampshire	49 Good	8.60μg/m³ Good	25.69μg/m³ Good	8.39ppb Good	0.50ppb Good	11.98ppb Good	0.31ppm Good
Keene, New Hampshire	49 Good	8.50μg/m³ Good	36.99μg/m³ Good	6.01ppb Good	0.23ppb Good	10.42ppb Good	0.26ppm Good
Nashua, New Hampshire	49 Good	8.58μg/m³ Good	25.61μg/m³ Good	7.92ppb Good	0.50ppb Good	11.95ppb Good	0.31ppm Good
Amherst, New Hampshire	44 Good	8.41μg/m³ Good	19.02μg/m³ Good	19.71ppb Good	0.42ppb Good	10.85ppb Good	0.29ppm Good
Claremont, New Hampshire	44 Good	7.63μg/m³ Good	37.61μg/m³ Good	16.07ppb Good	0.25ppb Good	10.16ppb Good	0.27ppm Good
Hanover, New Hampshire	38 Good	7.30μg/m³ Good	31.96μg/m³ Good	10.08ppb Good	0.25ppb Good	10.58ppb Good	0.24ppm Good
Lebanon, New Hampshire	38 Good	7.30μg/m³ Good	31.99μg/m³ Good	10.05ppb Good	0.25ppb Good	10.60ppb Good	0.24ppm Good
Salem, New Hampshire	49 Good	9.19μg/m³ Good	35.80μg/m³ Good	8.31ppb Good	0.51ppb Good	11.02ppb Good	0.29ppm Good
Laconia, New Hampshire	27 Good	5.18μg/m³ Good	21.49μg/m³ Good	21.01ppb Good	0.32ppb Good	8.72ppb Good	0.26ppm Good

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

0.36ppm

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

Check live rankings of places in the USA affected by air pollution.

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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 12:00:00 on 2025-07-29.

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 10:00:00 on 2025-07-29.

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

The real-time air quality index in New Hampshire, USA is 52, currently categorized as Moderate.

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

The most common pollutant in New Hampshire, USA is PM2.5.

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 10.274 μg/m³.

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

The current PM₁₀ levels in New Hampshire, USA are 36.917 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 0.213 ppm.

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

The current sulfur dioxide (SO₂) levels in New Hampshire, USA are 1.357 ppb.

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

The current ozone (O₃) levels at New Hampshire, USA is 39.144 ppm.

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

The current nitrogen dioxide (NO₂) levels at New Hampshire, USA is 4.211 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-28T12:00:00.000Z	73 \| moderate	20.714 \| fine	57.177 \| fine	8.317 \| good	0.353 \| good	7.799 \| good	0.242 \| good
2025-07-28T13:00:00.000Z	79 \| moderate	24.284 \| fine	97.503 \| fine	8.724 \| good	7.925 \| good	6.638 \| good	0.255 \| good
2025-07-28T14:00:00.000Z	77 \| moderate	23.087 \| fine	64.162 \| fine	12.468 \| good	5.558 \| good	4.893 \| good	0.255 \| good
2025-07-28T15:00:00.000Z	73 \| moderate	20.841 \| fine	70.658 \| fine	20.278 \| good	2.352 \| good	4.541 \| good	0.362 \| good
2025-07-28T16:00:00.000Z	63 \| moderate	11.423 \| good	79.406 \| fine	20.265 \| good	3.941 \| good	4.317 \| good	0.332 \| good
2025-07-28T17:00:00.000Z	68 \| moderate	10.345 \| good	88.765 \| fine	23.805 \| good	2.983 \| good	4.017 \| good	0.305 \| good
2025-07-28T18:00:00.000Z	58 \| moderate	13.379 \| fine	35.871 \| good	33.172 \| good	4.297 \| good	3.717 \| good	0.272 \| good
2025-07-28T19:00:00.000Z	62 \| moderate	14.858 \| fine	37.776 \| good	33.114 \| good	1.743 \| good	4.022 \| good	0.299 \| good
2025-07-28T20:00:00.000Z	62 \| moderate	15.328 \| fine	46.989 \| good	33.736 \| good	1.803 \| good	4.149 \| good	0.277 \| good
2025-07-28T21:00:00.000Z	64 \| moderate	15.659 \| fine	36.059 \| good	32.474 \| good	1.793 \| good	4.637 \| good	0.236 \| good
2025-07-28T22:00:00.000Z	62 \| moderate	15.332 \| fine	37.332 \| good	31.682 \| good	1.767 \| good	1.707 \| good	0.248 \| good
2025-07-28T23:00:00.000Z	58 \| moderate	12.878 \| fine	31.17 \| good	32.988 \| good	1.024 \| good	3.697 \| good	0.267 \| good
2025-07-29T00:00:00.000Z	62 \| moderate	14.754 \| fine	61.213 \| fine	34.28 \| good	2.073 \| good	5.381 \| good	0.216 \| good
2025-07-29T01:00:00.000Z	60 \| moderate	13.705 \| fine	55.243 \| fine	31.718 \| good	2.032 \| good	5.261 \| good	0.242 \| good
2025-07-29T02:00:00.000Z	60 \| moderate	14.433 \| fine	56.61 \| fine	26.697 \| good	0.6 \| good	15.793 \| good	0.281 \| good
2025-07-29T03:00:00.000Z	60 \| moderate	13.9 \| fine	58.873 \| fine	19.19 \| good	0.43 \| good	18.365 \| good	0.294 \| good
2025-07-29T04:00:00.000Z	60 \| moderate	13.665 \| fine	30.841 \| good	19.172 \| good	0.281 \| good	18.891 \| good	0.294 \| good
2025-07-29T05:00:00.000Z	58 \| moderate	12.864 \| fine	32.459 \| good	14.389 \| good	0.266 \| good	11.692 \| good	0.196 \| good
2025-07-29T06:00:00.000Z	60 \| moderate	13.982 \| fine	56.628 \| fine	9.717 \| good	0.38 \| good	10.291 \| good	0.206 \| good
2025-07-29T07:00:00.000Z	58 \| moderate	13.241 \| fine	54.162 \| good	5.991 \| good	0.321 \| good	8.792 \| good	0.199 \| good
2025-07-29T08:00:00.000Z	60 \| moderate	14.374 \| fine	73.485 \| fine	5.295 \| good	0.301 \| good	5.497 \| good	0.199 \| good
2025-07-29T09:00:00.000Z	60 \| moderate	13.922 \| fine	44.342 \| good	25.091 \| good	0.271 \| good	7.757 \| good	0.194 \| good
2025-07-29T10:00:00.000Z	60 \| moderate	13.79 \| fine	33.693 \| good	2.889 \| good	0.354 \| good	12.075 \| good	0.203 \| good
2025-07-29T11:00:00.000Z	60 \| moderate	14.445 \| fine	59.361 \| fine	3.923 \| good	0.284 \| good	12.2 \| good	0.216 \| good
2025-07-29T12:00:00.000Z	62 \| moderate	14.527 \| fine	56.423 \| fine	8.851 \| good	0.282 \| good	11.934 \| good	0.228 \| good
2025-07-29T13:00:00.000Z	60 \| moderate	13.749 \| fine	40.578 \| good	7.51 \| good	5.18 \| good	9.718 \| good	0.229 \| good
2025-07-29T14:00:00.000Z	60 \| moderate	13.811 \| fine	53.764 \| good	25.307 \| good	3.263 \| good	8.529 \| good	0.24 \| good
2025-07-29T15:00:00.000Z	60 \| moderate	14.126 \| fine	32.423 \| good	30.05 \| good	15.465 \| good	5.795 \| good	0.253 \| good
2025-07-29T16:00:00.000Z	60 \| moderate	13.561 \| fine	54.016 \| good	31.921 \| good	5.826 \| good	5.362 \| good	0.235 \| good
2025-07-29T17:00:00.000Z	58 \| moderate	12.704 \| fine	30.694 \| good	38.595 \| good	3.661 \| good	4.893 \| good	0.235 \| good
2025-07-29T18:00:00.000Z	54 \| moderate	11.191 \| good	29.229 \| good	38.717 \| good	7.92 \| good	4.621 \| good	0.218 \| good
2025-07-29T19:00:00.000Z	54 \| moderate	10.561 \| good	44.575 \| good	38.679 \| good	7.342 \| good	4.954 \| good	0.188 \| good
2025-07-29T20:00:00.000Z	52 \| moderate	10.225 \| good	41.316 \| good	41.183 \| good	3.774 \| good	3.765 \| good	0.217 \| good
2025-07-29T21:00:00.000Z	49 \| good	9.247 \| good	35.527 \| good	39.635 \| good	2.434 \| good	2.933 \| good	0.235 \| good
2025-07-29T22:00:00.000Z	49 \| good	8.541 \| good	22.334 \| good	40.369 \| good	6.865 \| good	1.879 \| good	0.223 \| good
2025-07-29T23:00:00.000Z	52 \| moderate	10.319 \| good	32.185 \| good	36.118 \| good	2.612 \| good	2.846 \| good	0.226 \| good
2025-07-30T00:00:00.000Z	52 \| moderate	10.13 \| good	39.335 \| good	36.432 \| good	2.615 \| good	4.451 \| good	0.213 \| good
2025-07-30T01:00:00.000Z	59 \| moderate	6.508 \| good	70.814 \| fine	32.728 \| good	0.847 \| good	5.404 \| good	0.175 \| good
2025-07-30T02:00:00.000Z	52 \| moderate	9.937 \| good	50.507 \| good	30.511 \| good	0.457 \| good	6.962 \| good	0.175 \| good
2025-07-30T03:00:00.000Z	84 \| moderate	26.569 \| fine	115 \| fine	19.76 \| good	0.157 \| good	4.006 \| good	0.22 \| good
2025-07-30T04:00:00.000Z	45 \| good	8.2 \| good	49.291 \| good	30.371 \| good	0.399 \| good	9.41 \| good	0.249 \| good
2025-07-30T05:00:00.000Z	49 \| good	8.554 \| good	31.857 \| good	29.568 \| good	0.562 \| good	10.661 \| good	0.297 \| good
2025-07-30T06:00:00.000Z	44 \| good	7.974 \| good	27.648 \| good	19.707 \| good	0.388 \| good	14.294 \| good	0.272 \| good
2025-07-30T07:00:00.000Z	49 \| good	9.103 \| good	47.134 \| good	17.982 \| good	0.418 \| good	10.006 \| good	0.29 \| good
2025-07-30T08:00:00.000Z	49 \| good	9.489 \| good	34.197 \| good	19.452 \| good	0.245 \| good	11.382 \| good	0.278 \| good
2025-07-30T09:00:00.000Z	52 \| moderate	9.538 \| good	34.222 \| good	17.281 \| good	0.229 \| good	9.986 \| good	0.281 \| good
2025-07-30T10:00:00.000Z	49 \| good	8.729 \| good	33.366 \| good	14.176 \| good	0.226 \| good	8.899 \| good	0.272 \| good
2025-07-30T11:00:00.000Z	49 \| good	8.894 \| good	35.4 \| good	14.685 \| good	0.431 \| good	9.891 \| good	0.283 \| good
2025-07-30T02:00:00.000Z	84 \| moderate	26.692 \| fine	115.694 \| fine	22.578 \| good	0.124 \| good	3.12 \| good	0.212 \| good
2025-07-30T03:00:00.000Z	84 \| moderate	26.871 \| fine	117.085 \| fine	18.275 \| good	0.126 \| good	3.234 \| good	0.221 \| good
2025-07-30T04:00:00.000Z	84 \| moderate	27.086 \| fine	117.682 \| fine	18.47 \| good	0.13 \| good	3.486 \| good	0.23 \| good
2025-07-30T05:00:00.000Z	84 \| moderate	26.995 \| fine	117.497 \| fine	17.985 \| good	0.134 \| good	3.738 \| good	0.24 \| good
2025-07-30T06:00:00.000Z	82 \| moderate	26.431 \| fine	115.067 \| fine	22.807 \| good	0.138 \| good	3.989 \| good	0.249 \| good
2025-07-30T07:00:00.000Z	82 \| moderate	26.052 \| fine	113.347 \| fine	22.21 \| good	0.142 \| good	4.216 \| good	0.258 \| good
2025-07-30T08:00:00.000Z	81 \| moderate	25.497 \| fine	111.237 \| fine	16.537 \| good	0.147 \| good	4.444 \| good	0.266 \| good
2025-07-30T09:00:00.000Z	88 \| moderate	28.65 \| fine	123.855 \| fine	11.94 \| good	0.151 \| good	4.671 \| good	0.275 \| good
2025-07-30T10:00:00.000Z	86 \| moderate	28.218 \| fine	122.813 \| fine	8.656 \| good	0.156 \| good	4.001 \| good	0.279 \| good
2025-07-30T11:00:00.000Z	86 \| moderate	28.399 \| fine	122.826 \| fine	14.541 \| good	0.161 \| good	3.332 \| good	0.283 \| good
2025-07-30T12:00:00.000Z	86 \| moderate	27.894 \| fine	120.856 \| fine	17.648 \| good	0.166 \| good	2.662 \| good	0.286 \| good
2025-07-30T13:00:00.000Z	82 \| moderate	26.184 \| fine	114.487 \| fine	25.212 \| good	0.18 \| good	2.08 \| good	0.264 \| good
2025-07-30T14:00:00.000Z	77 \| moderate	23.333 \| fine	101.87 \| fine	32.678 \| good	0.194 \| good	1.498 \| good	0.242 \| good
2025-07-30T15:00:00.000Z	75 \| moderate	22.072 \| fine	96.36 \| fine	34.122 \| good	0.208 \| good	0.916 \| good	0.22 \| good
2025-07-30T16:00:00.000Z	75 \| moderate	21.728 \| fine	95.318 \| fine	33.977 \| good	0.186 \| good	0.793 \| good	0.204 \| good
2025-07-30T17:00:00.000Z	77 \| moderate	22.508 \| fine	98.73 \| fine	37.73 \| good	0.163 \| good	0.67 \| good	0.187 \| good
2025-07-30T18:00:00.000Z	69 \| moderate	19.24 \| fine	85.241 \| fine	40.992 \| good	0.141 \| good	0.546 \| good	0.171 \| good
2025-07-30T19:00:00.000Z	66 \| moderate	17.265 \| fine	76.775 \| fine	44.513 \| good	0.137 \| good	0.633 \| good	0.166 \| good
2025-07-30T20:00:00.000Z	66 \| moderate	17.489 \| fine	77.418 \| fine	46.262 \| good	0.132 \| good	0.719 \| good	0.161 \| good
2025-07-30T21:00:00.000Z	66 \| moderate	17.383 \| fine	77.118 \| fine	42.821 \| good	0.128 \| good	0.805 \| good	0.156 \| good
2025-07-30T22:00:00.000Z	67 \| moderate	17.981 \| fine	79 \| fine	40.95 \| good	0.135 \| good	1.853 \| good	0.168 \| good
2025-07-30T23:00:00.000Z	67 \| moderate	18.363 \| fine	81 \| fine	34.253 \| good	0.142 \| good	2.9 \| good	0.179 \| good
2025-07-31T00:00:00.000Z	73 \| moderate	21.101 \| fine	92.937 \| fine	31.981 \| good	0.149 \| good	3.947 \| good	0.191 \| good
2025-07-31T01:00:00.000Z	67 \| moderate	18.144 \| fine	79.844 \| fine	29.218 \| good	0.163 \| good	4.98 \| good	0.207 \| good
2025-07-31T02:00:00.000Z	66 \| moderate	16.702 \| fine	74.067 \| fine	24.299 \| good	0.178 \| good	6.012 \| good	0.223 \| good
2025-07-31T03:00:00.000Z	66 \| moderate	16.698 \| fine	73.574 \| fine	23.378 \| good	0.192 \| good	7.045 \| good	0.239 \| good
2025-07-31T04:00:00.000Z	64 \| moderate	16.222 \| fine	71.945 \| fine	19.324 \| good	0.18 \| good	6.642 \| good	0.241 \| good
2025-07-31T05:00:00.000Z	64 \| moderate	15.839 \| fine	70.479 \| fine	18.74 \| good	0.167 \| good	6.239 \| good	0.243 \| good
2025-07-31T06:00:00.000Z	64 \| moderate	16.213 \| fine	72.304 \| fine	16.229 \| good	0.155 \| good	5.836 \| good	0.245 \| good
2025-07-31T07:00:00.000Z	66 \| moderate	17.2 \| fine	76.397 \| fine	16.405 \| good	0.145 \| good	4.709 \| good	0.231 \| good
2025-07-31T08:00:00.000Z	67 \| moderate	18.168 \| fine	80.822 \| fine	12.113 \| good	0.135 \| good	3.581 \| good	0.217 \| good
2025-07-31T09:00:00.000Z	67 \| moderate	17.592 \| fine	77.68 \| fine	9.532 \| good	0.124 \| good	2.454 \| good	0.203 \| good
2025-07-31T10:00:00.000Z	67 \| moderate	17.873 \| fine	78.749 \| fine	16.393 \| good	0.13 \| good	2.593 \| good	0.205 \| good
2025-07-31T11:00:00.000Z	67 \| moderate	18.145 \| fine	80.576 \| fine	19.159 \| good	0.136 \| good	2.731 \| good	0.206 \| good
2025-07-31T12:00:00.000Z	67 \| moderate	17.578 \| fine	78.458 \| fine	23.597 \| good	0.142 \| good	2.869 \| good	0.207 \| good
2025-07-31T13:00:00.000Z	64 \| moderate	16.14 \| fine	71.549 \| fine	25.006 \| good	0.165 \| good	2.457 \| good	0.214 \| good
2025-07-31T14:00:00.000Z	62 \| moderate	14.992 \| fine	66.999 \| fine	23.477 \| good	0.188 \| good	2.044 \| good	0.22 \| good
2025-07-31T15:00:00.000Z	60 \| moderate	14.42 \| fine	64.937 \| fine	20.311 \| good	0.21 \| good	1.632 \| good	0.227 \| good
2025-07-31T16:00:00.000Z	60 \| moderate	14.166 \| fine	63 \| fine	18.55 \| good	0.215 \| good	1.575 \| good	0.229 \| good
2025-07-31T17:00:00.000Z	60 \| moderate	14.339 \| fine	64.63 \| fine	20.645 \| good	0.219 \| good	1.518 \| good	0.231 \| good
2025-07-31T18:00:00.000Z	60 \| moderate	13.822 \| fine	62.522 \| fine	25.054 \| good	0.223 \| good	1.462 \| good	0.234 \| good
2025-07-31T19:00:00.000Z	60 \| moderate	13.52 \| fine	61.056 \| fine	23.544 \| good	0.236 \| good	1.917 \| good	0.241 \| good
2025-07-31T20:00:00.000Z	58 \| moderate	13.43 \| fine	60.786 \| fine	22.903 \| good	0.249 \| good	2.373 \| good	0.248 \| good
2025-07-31T21:00:00.000Z	58 \| moderate	13.216 \| fine	59.564 \| fine	22.547 \| good	0.261 \| good	2.828 \| good	0.255 \| good
2025-07-31T22:00:00.000Z	58 \| moderate	12.928 \| fine	57.813 \| fine	21.289 \| good	0.291 \| good	3.26 \| good	0.263 \| good
2025-07-31T23:00:00.000Z	58 \| moderate	12.507 \| fine	56.636 \| fine	18.811 \| good	0.32 \| good	3.691 \| good	0.27 \| good
2025-08-01T00:00:00.000Z	75 \| moderate	21.895 \| fine	22.106 \| good	36.224 \| good	0.347 \| good	4.136 \| good	0.278 \| good
2025-08-01T01:00:00.000Z	58 \| moderate	13.262 \| fine	59.43 \| fine	19.414 \| good	0.348 \| good	3.841 \| good	0.276 \| 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?