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

The current PM10 concentration at Durham, New Hampshire is 36.71 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Durham, New Hampshire is 0.544 ppb.

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

The current ozone (O3) concentration at Durham, New Hampshire is 21.624 ppm.

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

The current nitrogen dioxide (NO2) concentration at Durham, New Hampshire is 7.075 ppb.

Durham, New Hampshire live air quality index now

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

Stay updated with real-time air quality in Durham, 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)

Moderate

Durham, New Hampshire

Last updated: ... (Local time)

Major air pollutants in Durham, New Hampshire

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

13.01 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

72.87 μg/m³

155

255

425

605+

Ozone (O₃)

24.89 ppb

201

201+

Sulfur Dioxide (SO₂)

0.81 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

7.00 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.23 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Durham, New Hampshire

Get Live Pollen Counts

Durham, New Hampshire

Scroll To Air Quality Map

Track live Durham, New Hampshire air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-29T08:00:00.000Z	58 \| moderate	12.593 \| fine	56.694 \| fine	17.261 \| good	0.42 \| good	5.142 \| good	0.224 \| good
2025-07-29T09:00:00.000Z	60 \| moderate	14.038 \| fine	65.947 \| fine	26.905 \| good	0.381 \| good	6.33 \| good	0.225 \| good
2025-07-29T10:00:00.000Z	58 \| moderate	12.665 \| fine	43.002 \| good	16.252 \| good	0.46 \| good	11.504 \| good	0.225 \| good
2025-07-29T11:00:00.000Z	62 \| moderate	14.529 \| fine	62.334 \| fine	4.964 \| good	0.418 \| good	9.803 \| good	0.245 \| good
2025-07-29T12:00:00.000Z	62 \| moderate	15.033 \| fine	55.142 \| fine	13.967 \| good	0.425 \| good	13.789 \| good	0.285 \| good
2025-07-29T13:00:00.000Z	60 \| moderate	13.575 \| fine	60.376 \| fine	10.666 \| good	1.815 \| good	10.779 \| good	0.259 \| good
2025-07-29T14:00:00.000Z	60 \| moderate	13.743 \| fine	31.929 \| good	17.971 \| good	1.2 \| good	9.067 \| good	0.293 \| good
2025-07-29T15:00:00.000Z	60 \| moderate	13.749 \| fine	42.435 \| good	27.466 \| good	3.8 \| good	6.998 \| good	0.264 \| good
2025-07-29T16:00:00.000Z	60 \| moderate	13.55 \| fine	39.001 \| good	31.084 \| good	1.686 \| good	6.477 \| good	0.241 \| good
2025-07-29T17:00:00.000Z	58 \| moderate	13.156 \| fine	28.25 \| good	36.673 \| good	1.284 \| good	7.442 \| good	0.241 \| good
2025-07-29T18:00:00.000Z	56 \| moderate	11.967 \| good	24.025 \| good	40.435 \| good	2.206 \| good	6.319 \| good	0.224 \| good
2025-07-29T19:00:00.000Z	56 \| moderate	11.971 \| good	27.652 \| good	40.27 \| good	2.049 \| good	6.709 \| good	0.205 \| good
2025-07-29T20:00:00.000Z	56 \| moderate	11.845 \| good	39.283 \| good	39.127 \| good	1.412 \| good	4.723 \| good	0.244 \| good
2025-07-29T21:00:00.000Z	54 \| moderate	10.72 \| good	30.575 \| good	40.963 \| good	1.1 \| good	3.607 \| good	0.241 \| good
2025-07-29T22:00:00.000Z	52 \| moderate	10.255 \| good	26.359 \| good	42.708 \| good	2.111 \| good	3.658 \| good	0.234 \| good
2025-07-29T23:00:00.000Z	52 \| moderate	10.364 \| good	44.658 \| good	40.408 \| good	1.098 \| good	3.01 \| good	0.234 \| good
2025-07-30T00:00:00.000Z	49 \| good	8.963 \| good	33.926 \| good	42.805 \| good	1.097 \| good	4.803 \| good	0.22 \| good
2025-07-30T01:00:00.000Z	54 \| moderate	10.759 \| good	35.128 \| good	46.357 \| good	0.572 \| good	5.601 \| good	0.183 \| good
2025-07-30T02:00:00.000Z	38 \| good	6.826 \| good	40.348 \| good	35.326 \| good	0.438 \| good	6.238 \| good	0.183 \| good
2025-07-30T03:00:00.000Z	79 \| moderate	23.738 \| fine	103.654 \| fine	19.409 \| good	0.149 \| good	2.706 \| good	0.205 \| good
2025-07-30T04:00:00.000Z	52 \| moderate	9.769 \| good	34.835 \| good	22.681 \| good	0.485 \| good	8.961 \| good	0.265 \| good
2025-07-30T05:00:00.000Z	52 \| moderate	9.633 \| good	23.67 \| good	21.539 \| good	0.519 \| good	6.323 \| good	0.319 \| good
2025-07-30T06:00:00.000Z	49 \| good	8.694 \| good	22.899 \| good	18.916 \| good	0.468 \| good	9.432 \| good	0.277 \| good
2025-07-30T07:00:00.000Z	49 \| good	9.274 \| good	42.525 \| good	18.33 \| good	0.516 \| good	6.294 \| good	0.301 \| good
2025-07-30T08:00:00.000Z	44 \| good	8.388 \| good	30.018 \| good	19.602 \| good	0.565 \| good	9.119 \| good	0.29 \| good
2025-07-30T09:00:00.000Z	44 \| good	8.12 \| good	33.919 \| good	15.298 \| good	0.563 \| good	9.053 \| good	0.258 \| good
2025-07-30T10:00:00.000Z	52 \| moderate	9.512 \| good	34.35 \| good	13.151 \| good	0.5 \| good	8.459 \| good	0.258 \| good
2025-07-30T11:00:00.000Z	52 \| moderate	10.314 \| good	28.133 \| good	20.414 \| good	0.672 \| good	6.388 \| good	0.272 \| good
2025-07-30T12:00:00.000Z	52 \| moderate	9.617 \| good	34.457 \| good	17.531 \| good	0.828 \| good	8.656 \| good	0.314 \| good
2025-07-30T13:00:00.000Z	52 \| moderate	9.585 \| good	40.291 \| good	16.321 \| good	0.958 \| good	5.631 \| good	0.326 \| good
2025-07-30T14:00:00.000Z	54 \| moderate	10.623 \| good	24.802 \| good	23.846 \| good	1.41 \| good	5.163 \| good	0.292 \| good
2025-07-30T15:00:00.000Z	54 \| moderate	10.819 \| good	34.33 \| good	26.419 \| good	2.273 \| good	7.364 \| good	0.277 \| good
2025-07-30T16:00:00.000Z	56 \| moderate	11.886 \| good	32.792 \| good	27.942 \| good	1.727 \| good	6.276 \| good	0.272 \| good
2025-07-30T17:00:00.000Z	52 \| moderate	9.903 \| good	38.398 \| good	32.594 \| good	1.376 \| good	5.465 \| good	0.274 \| good
2025-07-30T18:00:00.000Z	52 \| moderate	10.201 \| good	41.467 \| good	35.502 \| good	0.581 \| good	5.107 \| good	0.26 \| good
2025-07-30T19:00:00.000Z	52 \| moderate	9.775 \| good	42.924 \| good	33.263 \| good	0.541 \| good	5.812 \| good	0.26 \| good
2025-07-30T20:00:00.000Z	54 \| moderate	10.759 \| good	37.158 \| good	36.953 \| good	0.391 \| good	6.486 \| good	0.26 \| good
2025-07-30T21:00:00.000Z	52 \| moderate	10.277 \| good	56.132 \| fine	35.568 \| good	0.436 \| good	6.702 \| good	0.251 \| good
2025-07-30T22:00:00.000Z	38 \| good	7.441 \| good	26.389 \| good	34.736 \| good	0.431 \| good	3.817 \| good	0.285 \| good
2025-07-30T23:00:00.000Z	44 \| good	7.932 \| good	33.722 \| good	32.804 \| good	0.494 \| good	4.052 \| good	0.231 \| good
2025-07-31T00:00:00.000Z	52 \| moderate	10.306 \| good	37.679 \| good	30.098 \| good	0.402 \| good	4.278 \| good	0.231 \| good
2025-07-31T01:00:00.000Z	118 \| sensitive	9.482 \| good	190.391 \| moderate	27.206 \| good	0.392 \| good	5.097 \| good	0.271 \| good
2025-07-31T02:00:00.000Z	58 \| moderate	12.795 \| fine	36.218 \| good	25.795 \| good	0.345 \| good	9.633 \| good	0.251 \| good
2025-07-31T03:00:00.000Z	55 \| moderate	7.478 \| good	64.472 \| fine	30.923 \| good	0.475 \| good	7.383 \| good	0.231 \| good
2025-07-31T04:00:00.000Z	44 \| good	8.318 \| good	36.716 \| good	21.74 \| good	0.535 \| good	7.049 \| good	0.232 \| good
2025-07-31T05:00:00.000Z	52 \| moderate	9.959 \| good	38.974 \| good	18.964 \| good	0.664 \| good	7.802 \| good	0.281 \| good
2025-07-31T06:00:00.000Z	61 \| moderate	12.18 \| fine	74.667 \| fine	12.616 \| good	1.073 \| good	7.076 \| good	0.325 \| good
2025-07-31T07:00:00.000Z	54 \| moderate	11.444 \| good	48.536 \| good	27.554 \| good	0.832 \| good	6.977 \| good	0.229 \| good
2025-07-31T07:00:00.000Z	60 \| moderate	13.006 \| fine	72.867 \| fine	24.886 \| good	0.813 \| good	6.998 \| good	0.23 \| good
2025-07-31T05:00:00.000Z	71 \| moderate	19.643 \| fine	85.991 \| fine	19.335 \| good	0.225 \| good	2.246 \| good	0.243 \| good
2025-07-31T06:00:00.000Z	67 \| moderate	18.049 \| fine	79.392 \| fine	17.491 \| good	0.208 \| good	1.414 \| good	0.239 \| good
2025-07-31T07:00:00.000Z	66 \| moderate	17.492 \| fine	77.262 \| fine	16.472 \| good	0.232 \| good	1.403 \| good	0.244 \| good
2025-07-31T08:00:00.000Z	73 \| moderate	20.899 \| fine	91.465 \| fine	15.049 \| good	0.257 \| good	1.392 \| good	0.249 \| good
2025-07-31T09:00:00.000Z	71 \| moderate	19.597 \| fine	86.885 \| fine	14.673 \| good	0.281 \| good	1.381 \| good	0.254 \| good
2025-07-31T10:00:00.000Z	75 \| moderate	22.134 \| fine	96.828 \| fine	11.106 \| good	0.286 \| good	1.582 \| good	0.26 \| good
2025-07-31T11:00:00.000Z	75 \| moderate	22.166 \| fine	96.905 \| fine	16.593 \| good	0.29 \| good	1.783 \| good	0.265 \| good
2025-07-31T12:00:00.000Z	77 \| moderate	22.784 \| fine	100.528 \| fine	22.793 \| good	0.294 \| good	1.985 \| good	0.271 \| good
2025-07-31T13:00:00.000Z	79 \| moderate	24.272 \| fine	106.207 \| fine	27.393 \| good	0.269 \| good	1.701 \| good	0.262 \| good
2025-07-31T14:00:00.000Z	75 \| moderate	22.208 \| fine	96.793 \| fine	30.584 \| good	0.244 \| good	1.417 \| good	0.254 \| good
2025-07-31T15:00:00.000Z	67 \| moderate	18.007 \| fine	79.15 \| fine	32.245 \| good	0.218 \| good	1.133 \| good	0.245 \| good
2025-07-31T16:00:00.000Z	62 \| moderate	15.116 \| fine	67.15 \| fine	32.311 \| good	0.219 \| good	1.119 \| good	0.247 \| good
2025-07-31T17:00:00.000Z	60 \| moderate	13.698 \| fine	61.11 \| fine	31.106 \| good	0.219 \| good	1.106 \| good	0.249 \| good
2025-07-31T18:00:00.000Z	54 \| moderate	11.397 \| good	50.248 \| good	29.868 \| good	0.22 \| good	1.092 \| good	0.251 \| good
2025-07-31T19:00:00.000Z	60 \| moderate	13.924 \| fine	63.054 \| fine	28.771 \| good	0.227 \| good	1.318 \| good	0.251 \| good
2025-07-31T20:00:00.000Z	60 \| moderate	13.795 \| fine	61.393 \| fine	27.335 \| good	0.234 \| good	1.543 \| good	0.251 \| good
2025-07-31T21:00:00.000Z	54 \| moderate	11.332 \| good	50.129 \| good	27.61 \| good	0.242 \| good	1.769 \| good	0.25 \| good
2025-07-31T22:00:00.000Z	52 \| moderate	10.167 \| good	45.134 \| good	26.182 \| good	0.263 \| good	2.768 \| good	0.259 \| good
2025-07-31T23:00:00.000Z	52 \| moderate	10.209 \| good	45.144 \| good	25.144 \| good	0.284 \| good	3.768 \| good	0.267 \| good
2025-08-01T00:00:00.000Z	52 \| moderate	10.468 \| good	46.676 \| good	20.266 \| good	0.306 \| good	4.768 \| good	0.275 \| good
2025-08-01T01:00:00.000Z	52 \| moderate	10.338 \| good	45.861 \| good	19.622 \| good	0.353 \| good	5.082 \| good	0.278 \| good
2025-08-01T02:00:00.000Z	52 \| moderate	9.683 \| good	42.946 \| good	18.613 \| good	0.401 \| good	5.397 \| good	0.281 \| good
2025-08-01T03:00:00.000Z	52 \| moderate	9.831 \| good	43.684 \| good	18.55 \| good	0.448 \| good	5.712 \| good	0.284 \| good
2025-08-01T04:00:00.000Z	49 \| good	9.257 \| good	41.598 \| good	18.006 \| good	0.479 \| good	5.664 \| good	0.284 \| good
2025-08-01T05:00:00.000Z	44 \| good	7.905 \| good	34.674 \| good	15.579 \| good	0.509 \| good	5.617 \| good	0.283 \| good
2025-08-01T06:00:00.000Z	38 \| good	7.496 \| good	33.365 \| good	15.474 \| good	0.54 \| good	5.569 \| good	0.283 \| good
2025-08-01T07:00:00.000Z	33 \| good	5.907 \| good	26.29 \| good	18.49 \| good	0.471 \| good	4.386 \| good	0.254 \| good
2025-08-01T08:00:00.000Z	33 \| good	5.822 \| good	25.013 \| good	15.692 \| good	0.403 \| good	3.202 \| good	0.226 \| good
2025-08-01T09:00:00.000Z	33 \| good	5.744 \| good	24.774 \| good	11.989 \| good	0.335 \| good	2.019 \| good	0.197 \| good
2025-08-01T10:00:00.000Z	44 \| good	8.227 \| good	35.994 \| good	10.462 \| good	0.313 \| good	2.152 \| good	0.185 \| good
2025-08-01T11:00:00.000Z	52 \| moderate	9.925 \| good	44.132 \| good	10.702 \| good	0.292 \| good	2.286 \| good	0.174 \| good
2025-08-01T12:00:00.000Z	54 \| moderate	10.786 \| good	47.728 \| good	14.14 \| good	0.27 \| good	2.419 \| good	0.162 \| good
2025-08-01T13:00:00.000Z	52 \| moderate	10.433 \| good	46.039 \| good	16.605 \| good	0.271 \| good	2.324 \| good	0.162 \| good
2025-08-01T14:00:00.000Z	49 \| good	9.217 \| good	40.928 \| good	21.252 \| good	0.273 \| good	2.229 \| good	0.162 \| good
2025-08-01T15:00:00.000Z	44 \| good	8.207 \| good	36.342 \| good	23.406 \| good	0.274 \| good	2.134 \| good	0.161 \| good
2025-08-01T16:00:00.000Z	38 \| good	6.841 \| good	30.376 \| good	22.891 \| good	0.277 \| good	1.768 \| good	0.162 \| good
2025-08-01T17:00:00.000Z	33 \| good	6.157 \| good	27.406 \| good	24.579 \| good	0.28 \| good	1.401 \| good	0.163 \| good
2025-08-01T18:00:00.000Z	27 \| good	4.915 \| good	21.015 \| good	25.573 \| good	0.282 \| good	1.034 \| good	0.164 \| good
2025-08-01T19:00:00.000Z	22 \| good	4.173 \| good	18.05 \| good	23.201 \| good	0.267 \| good	1.03 \| good	0.169 \| good
2025-08-01T20:00:00.000Z	21 \| good	2.45 \| good	10.033 \| good	23.224 \| good	0.252 \| good	1.026 \| good	0.174 \| good
2025-08-01T21:00:00.000Z	22 \| good	1.312 \| good	5.168 \| good	24.221 \| good	0.237 \| good	1.021 \| good	0.178 \| good
2025-08-01T22:00:00.000Z	21 \| good	1.364 \| good	5.273 \| good	23.188 \| good	0.237 \| good	2.102 \| good	0.19 \| good
2025-08-01T23:00:00.000Z	23 \| good	1.261 \| good	5.11 \| good	24.977 \| good	0.237 \| good	3.182 \| good	0.203 \| good
2025-08-02T00:00:00.000Z	62 \| moderate	15.177 \| fine	16.826 \| good	37.88 \| good	0.236 \| good	4.257 \| good	0.215 \| good
2025-08-02T01:00:00.000Z	27 \| good	5.168 \| good	22.099 \| good	19.241 \| good	0.275 \| good	5.828 \| good	0.235 \| good
2025-08-02T02:00:00.000Z	33 \| good	6.171 \| good	27.08 \| good	17.026 \| good	0.314 \| good	7.392 \| good	0.255 \| good
2025-08-02T03:00:00.000Z	38 \| good	7.189 \| good	31.91 \| good	13.501 \| good	0.353 \| good	8.957 \| good	0.274 \| good
2025-08-02T04:00:00.000Z	38 \| good	7.051 \| good	31.061 \| good	11.167 \| good	0.342 \| good	8.37 \| good	0.274 \| good

Durham

Get reliable air quality data to drive your business

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

0.23ppm

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 Durham, New Hampshire updated?

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

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

The worst air quality in Durham, New Hampshire in the last 24 hours was observed at 01:00:00 on 2025-07-31.

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

In the last 24 hrs, the best air quality in Durham, New Hampshire was observed at 10:00:00 on 2025-07-30.

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

The current air quality in Durham, New Hampshire is 44, categorized as Good based on real-time data.

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

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

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

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

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

The current PM_2.5 concentration at Durham, New Hampshire is 8.309 μg/m³.

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

The current PM₁₀ concentration at Durham, New Hampshire is 36.71 μg/m³.

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

The current carbon monoxide (CO) concentration at Durham, New Hampshire is 0.233 ppm.

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

The current sulfur dioxide (SO₂) concentration at Durham, New Hampshire is 0.544 ppb.

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

The current ozone (O₃) concentration at Durham, New Hampshire is 21.624 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Durham, New Hampshire is 7.075 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-29T08:00:00.000Z	58 \| moderate	12.593 \| fine	56.694 \| fine	17.261 \| good	0.42 \| good	5.142 \| good	0.224 \| good
2025-07-29T09:00:00.000Z	60 \| moderate	14.038 \| fine	65.947 \| fine	26.905 \| good	0.381 \| good	6.33 \| good	0.225 \| good
2025-07-29T10:00:00.000Z	58 \| moderate	12.665 \| fine	43.002 \| good	16.252 \| good	0.46 \| good	11.504 \| good	0.225 \| good
2025-07-29T11:00:00.000Z	62 \| moderate	14.529 \| fine	62.334 \| fine	4.964 \| good	0.418 \| good	9.803 \| good	0.245 \| good
2025-07-29T12:00:00.000Z	62 \| moderate	15.033 \| fine	55.142 \| fine	13.967 \| good	0.425 \| good	13.789 \| good	0.285 \| good
2025-07-29T13:00:00.000Z	60 \| moderate	13.575 \| fine	60.376 \| fine	10.666 \| good	1.815 \| good	10.779 \| good	0.259 \| good
2025-07-29T14:00:00.000Z	60 \| moderate	13.743 \| fine	31.929 \| good	17.971 \| good	1.2 \| good	9.067 \| good	0.293 \| good
2025-07-29T15:00:00.000Z	60 \| moderate	13.749 \| fine	42.435 \| good	27.466 \| good	3.8 \| good	6.998 \| good	0.264 \| good
2025-07-29T16:00:00.000Z	60 \| moderate	13.55 \| fine	39.001 \| good	31.084 \| good	1.686 \| good	6.477 \| good	0.241 \| good
2025-07-29T17:00:00.000Z	58 \| moderate	13.156 \| fine	28.25 \| good	36.673 \| good	1.284 \| good	7.442 \| good	0.241 \| good
2025-07-29T18:00:00.000Z	56 \| moderate	11.967 \| good	24.025 \| good	40.435 \| good	2.206 \| good	6.319 \| good	0.224 \| good
2025-07-29T19:00:00.000Z	56 \| moderate	11.971 \| good	27.652 \| good	40.27 \| good	2.049 \| good	6.709 \| good	0.205 \| good
2025-07-29T20:00:00.000Z	56 \| moderate	11.845 \| good	39.283 \| good	39.127 \| good	1.412 \| good	4.723 \| good	0.244 \| good
2025-07-29T21:00:00.000Z	54 \| moderate	10.72 \| good	30.575 \| good	40.963 \| good	1.1 \| good	3.607 \| good	0.241 \| good
2025-07-29T22:00:00.000Z	52 \| moderate	10.255 \| good	26.359 \| good	42.708 \| good	2.111 \| good	3.658 \| good	0.234 \| good
2025-07-29T23:00:00.000Z	52 \| moderate	10.364 \| good	44.658 \| good	40.408 \| good	1.098 \| good	3.01 \| good	0.234 \| good
2025-07-30T00:00:00.000Z	49 \| good	8.963 \| good	33.926 \| good	42.805 \| good	1.097 \| good	4.803 \| good	0.22 \| good
2025-07-30T01:00:00.000Z	54 \| moderate	10.759 \| good	35.128 \| good	46.357 \| good	0.572 \| good	5.601 \| good	0.183 \| good
2025-07-30T02:00:00.000Z	38 \| good	6.826 \| good	40.348 \| good	35.326 \| good	0.438 \| good	6.238 \| good	0.183 \| good
2025-07-30T03:00:00.000Z	79 \| moderate	23.738 \| fine	103.654 \| fine	19.409 \| good	0.149 \| good	2.706 \| good	0.205 \| good
2025-07-30T04:00:00.000Z	52 \| moderate	9.769 \| good	34.835 \| good	22.681 \| good	0.485 \| good	8.961 \| good	0.265 \| good
2025-07-30T05:00:00.000Z	52 \| moderate	9.633 \| good	23.67 \| good	21.539 \| good	0.519 \| good	6.323 \| good	0.319 \| good
2025-07-30T06:00:00.000Z	49 \| good	8.694 \| good	22.899 \| good	18.916 \| good	0.468 \| good	9.432 \| good	0.277 \| good
2025-07-30T07:00:00.000Z	49 \| good	9.274 \| good	42.525 \| good	18.33 \| good	0.516 \| good	6.294 \| good	0.301 \| good
2025-07-30T08:00:00.000Z	44 \| good	8.388 \| good	30.018 \| good	19.602 \| good	0.565 \| good	9.119 \| good	0.29 \| good
2025-07-30T09:00:00.000Z	44 \| good	8.12 \| good	33.919 \| good	15.298 \| good	0.563 \| good	9.053 \| good	0.258 \| good
2025-07-30T10:00:00.000Z	52 \| moderate	9.512 \| good	34.35 \| good	13.151 \| good	0.5 \| good	8.459 \| good	0.258 \| good
2025-07-30T11:00:00.000Z	52 \| moderate	10.314 \| good	28.133 \| good	20.414 \| good	0.672 \| good	6.388 \| good	0.272 \| good
2025-07-30T12:00:00.000Z	52 \| moderate	9.617 \| good	34.457 \| good	17.531 \| good	0.828 \| good	8.656 \| good	0.314 \| good
2025-07-30T13:00:00.000Z	52 \| moderate	9.585 \| good	40.291 \| good	16.321 \| good	0.958 \| good	5.631 \| good	0.326 \| good
2025-07-30T14:00:00.000Z	54 \| moderate	10.623 \| good	24.802 \| good	23.846 \| good	1.41 \| good	5.163 \| good	0.292 \| good
2025-07-30T15:00:00.000Z	54 \| moderate	10.819 \| good	34.33 \| good	26.419 \| good	2.273 \| good	7.364 \| good	0.277 \| good
2025-07-30T16:00:00.000Z	56 \| moderate	11.886 \| good	32.792 \| good	27.942 \| good	1.727 \| good	6.276 \| good	0.272 \| good
2025-07-30T17:00:00.000Z	52 \| moderate	9.903 \| good	38.398 \| good	32.594 \| good	1.376 \| good	5.465 \| good	0.274 \| good
2025-07-30T18:00:00.000Z	52 \| moderate	10.201 \| good	41.467 \| good	35.502 \| good	0.581 \| good	5.107 \| good	0.26 \| good
2025-07-30T19:00:00.000Z	52 \| moderate	9.775 \| good	42.924 \| good	33.263 \| good	0.541 \| good	5.812 \| good	0.26 \| good
2025-07-30T20:00:00.000Z	54 \| moderate	10.759 \| good	37.158 \| good	36.953 \| good	0.391 \| good	6.486 \| good	0.26 \| good
2025-07-30T21:00:00.000Z	52 \| moderate	10.277 \| good	56.132 \| fine	35.568 \| good	0.436 \| good	6.702 \| good	0.251 \| good
2025-07-30T22:00:00.000Z	38 \| good	7.441 \| good	26.389 \| good	34.736 \| good	0.431 \| good	3.817 \| good	0.285 \| good
2025-07-30T23:00:00.000Z	44 \| good	7.932 \| good	33.722 \| good	32.804 \| good	0.494 \| good	4.052 \| good	0.231 \| good
2025-07-31T00:00:00.000Z	52 \| moderate	10.306 \| good	37.679 \| good	30.098 \| good	0.402 \| good	4.278 \| good	0.231 \| good
2025-07-31T01:00:00.000Z	118 \| sensitive	9.482 \| good	190.391 \| moderate	27.206 \| good	0.392 \| good	5.097 \| good	0.271 \| good
2025-07-31T02:00:00.000Z	58 \| moderate	12.795 \| fine	36.218 \| good	25.795 \| good	0.345 \| good	9.633 \| good	0.251 \| good
2025-07-31T03:00:00.000Z	55 \| moderate	7.478 \| good	64.472 \| fine	30.923 \| good	0.475 \| good	7.383 \| good	0.231 \| good
2025-07-31T04:00:00.000Z	44 \| good	8.318 \| good	36.716 \| good	21.74 \| good	0.535 \| good	7.049 \| good	0.232 \| good
2025-07-31T05:00:00.000Z	52 \| moderate	9.959 \| good	38.974 \| good	18.964 \| good	0.664 \| good	7.802 \| good	0.281 \| good
2025-07-31T06:00:00.000Z	61 \| moderate	12.18 \| fine	74.667 \| fine	12.616 \| good	1.073 \| good	7.076 \| good	0.325 \| good
2025-07-31T07:00:00.000Z	54 \| moderate	11.444 \| good	48.536 \| good	27.554 \| good	0.832 \| good	6.977 \| good	0.229 \| good
2025-07-31T07:00:00.000Z	60 \| moderate	13.006 \| fine	72.867 \| fine	24.886 \| good	0.813 \| good	6.998 \| good	0.23 \| good
2025-07-31T05:00:00.000Z	71 \| moderate	19.643 \| fine	85.991 \| fine	19.335 \| good	0.225 \| good	2.246 \| good	0.243 \| good
2025-07-31T06:00:00.000Z	67 \| moderate	18.049 \| fine	79.392 \| fine	17.491 \| good	0.208 \| good	1.414 \| good	0.239 \| good
2025-07-31T07:00:00.000Z	66 \| moderate	17.492 \| fine	77.262 \| fine	16.472 \| good	0.232 \| good	1.403 \| good	0.244 \| good
2025-07-31T08:00:00.000Z	73 \| moderate	20.899 \| fine	91.465 \| fine	15.049 \| good	0.257 \| good	1.392 \| good	0.249 \| good
2025-07-31T09:00:00.000Z	71 \| moderate	19.597 \| fine	86.885 \| fine	14.673 \| good	0.281 \| good	1.381 \| good	0.254 \| good
2025-07-31T10:00:00.000Z	75 \| moderate	22.134 \| fine	96.828 \| fine	11.106 \| good	0.286 \| good	1.582 \| good	0.26 \| good
2025-07-31T11:00:00.000Z	75 \| moderate	22.166 \| fine	96.905 \| fine	16.593 \| good	0.29 \| good	1.783 \| good	0.265 \| good
2025-07-31T12:00:00.000Z	77 \| moderate	22.784 \| fine	100.528 \| fine	22.793 \| good	0.294 \| good	1.985 \| good	0.271 \| good
2025-07-31T13:00:00.000Z	79 \| moderate	24.272 \| fine	106.207 \| fine	27.393 \| good	0.269 \| good	1.701 \| good	0.262 \| good
2025-07-31T14:00:00.000Z	75 \| moderate	22.208 \| fine	96.793 \| fine	30.584 \| good	0.244 \| good	1.417 \| good	0.254 \| good
2025-07-31T15:00:00.000Z	67 \| moderate	18.007 \| fine	79.15 \| fine	32.245 \| good	0.218 \| good	1.133 \| good	0.245 \| good
2025-07-31T16:00:00.000Z	62 \| moderate	15.116 \| fine	67.15 \| fine	32.311 \| good	0.219 \| good	1.119 \| good	0.247 \| good
2025-07-31T17:00:00.000Z	60 \| moderate	13.698 \| fine	61.11 \| fine	31.106 \| good	0.219 \| good	1.106 \| good	0.249 \| good
2025-07-31T18:00:00.000Z	54 \| moderate	11.397 \| good	50.248 \| good	29.868 \| good	0.22 \| good	1.092 \| good	0.251 \| good
2025-07-31T19:00:00.000Z	60 \| moderate	13.924 \| fine	63.054 \| fine	28.771 \| good	0.227 \| good	1.318 \| good	0.251 \| good
2025-07-31T20:00:00.000Z	60 \| moderate	13.795 \| fine	61.393 \| fine	27.335 \| good	0.234 \| good	1.543 \| good	0.251 \| good
2025-07-31T21:00:00.000Z	54 \| moderate	11.332 \| good	50.129 \| good	27.61 \| good	0.242 \| good	1.769 \| good	0.25 \| good
2025-07-31T22:00:00.000Z	52 \| moderate	10.167 \| good	45.134 \| good	26.182 \| good	0.263 \| good	2.768 \| good	0.259 \| good
2025-07-31T23:00:00.000Z	52 \| moderate	10.209 \| good	45.144 \| good	25.144 \| good	0.284 \| good	3.768 \| good	0.267 \| good
2025-08-01T00:00:00.000Z	52 \| moderate	10.468 \| good	46.676 \| good	20.266 \| good	0.306 \| good	4.768 \| good	0.275 \| good
2025-08-01T01:00:00.000Z	52 \| moderate	10.338 \| good	45.861 \| good	19.622 \| good	0.353 \| good	5.082 \| good	0.278 \| good
2025-08-01T02:00:00.000Z	52 \| moderate	9.683 \| good	42.946 \| good	18.613 \| good	0.401 \| good	5.397 \| good	0.281 \| good
2025-08-01T03:00:00.000Z	52 \| moderate	9.831 \| good	43.684 \| good	18.55 \| good	0.448 \| good	5.712 \| good	0.284 \| good
2025-08-01T04:00:00.000Z	49 \| good	9.257 \| good	41.598 \| good	18.006 \| good	0.479 \| good	5.664 \| good	0.284 \| good
2025-08-01T05:00:00.000Z	44 \| good	7.905 \| good	34.674 \| good	15.579 \| good	0.509 \| good	5.617 \| good	0.283 \| good
2025-08-01T06:00:00.000Z	38 \| good	7.496 \| good	33.365 \| good	15.474 \| good	0.54 \| good	5.569 \| good	0.283 \| good
2025-08-01T07:00:00.000Z	33 \| good	5.907 \| good	26.29 \| good	18.49 \| good	0.471 \| good	4.386 \| good	0.254 \| good
2025-08-01T08:00:00.000Z	33 \| good	5.822 \| good	25.013 \| good	15.692 \| good	0.403 \| good	3.202 \| good	0.226 \| good
2025-08-01T09:00:00.000Z	33 \| good	5.744 \| good	24.774 \| good	11.989 \| good	0.335 \| good	2.019 \| good	0.197 \| good
2025-08-01T10:00:00.000Z	44 \| good	8.227 \| good	35.994 \| good	10.462 \| good	0.313 \| good	2.152 \| good	0.185 \| good
2025-08-01T11:00:00.000Z	52 \| moderate	9.925 \| good	44.132 \| good	10.702 \| good	0.292 \| good	2.286 \| good	0.174 \| good
2025-08-01T12:00:00.000Z	54 \| moderate	10.786 \| good	47.728 \| good	14.14 \| good	0.27 \| good	2.419 \| good	0.162 \| good
2025-08-01T13:00:00.000Z	52 \| moderate	10.433 \| good	46.039 \| good	16.605 \| good	0.271 \| good	2.324 \| good	0.162 \| good
2025-08-01T14:00:00.000Z	49 \| good	9.217 \| good	40.928 \| good	21.252 \| good	0.273 \| good	2.229 \| good	0.162 \| good
2025-08-01T15:00:00.000Z	44 \| good	8.207 \| good	36.342 \| good	23.406 \| good	0.274 \| good	2.134 \| good	0.161 \| good
2025-08-01T16:00:00.000Z	38 \| good	6.841 \| good	30.376 \| good	22.891 \| good	0.277 \| good	1.768 \| good	0.162 \| good
2025-08-01T17:00:00.000Z	33 \| good	6.157 \| good	27.406 \| good	24.579 \| good	0.28 \| good	1.401 \| good	0.163 \| good
2025-08-01T18:00:00.000Z	27 \| good	4.915 \| good	21.015 \| good	25.573 \| good	0.282 \| good	1.034 \| good	0.164 \| good
2025-08-01T19:00:00.000Z	22 \| good	4.173 \| good	18.05 \| good	23.201 \| good	0.267 \| good	1.03 \| good	0.169 \| good
2025-08-01T20:00:00.000Z	21 \| good	2.45 \| good	10.033 \| good	23.224 \| good	0.252 \| good	1.026 \| good	0.174 \| good
2025-08-01T21:00:00.000Z	22 \| good	1.312 \| good	5.168 \| good	24.221 \| good	0.237 \| good	1.021 \| good	0.178 \| good
2025-08-01T22:00:00.000Z	21 \| good	1.364 \| good	5.273 \| good	23.188 \| good	0.237 \| good	2.102 \| good	0.19 \| good
2025-08-01T23:00:00.000Z	23 \| good	1.261 \| good	5.11 \| good	24.977 \| good	0.237 \| good	3.182 \| good	0.203 \| good
2025-08-02T00:00:00.000Z	62 \| moderate	15.177 \| fine	16.826 \| good	37.88 \| good	0.236 \| good	4.257 \| good	0.215 \| good
2025-08-02T01:00:00.000Z	27 \| good	5.168 \| good	22.099 \| good	19.241 \| good	0.275 \| good	5.828 \| good	0.235 \| good
2025-08-02T02:00:00.000Z	33 \| good	6.171 \| good	27.08 \| good	17.026 \| good	0.314 \| good	7.392 \| good	0.255 \| good
2025-08-02T03:00:00.000Z	38 \| good	7.189 \| good	31.91 \| good	13.501 \| good	0.353 \| good	8.957 \| good	0.274 \| good
2025-08-02T04:00:00.000Z	38 \| good	7.051 \| good	31.061 \| good	11.167 \| good	0.342 \| good	8.37 \| good	0.274 \| good

Durham, New Hampshire live air quality index now

Major air pollutants in Durham, New Hampshire

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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

Air quality in nearby cities

Dover, New Hampshire

Portsmouth, New Hampshire

Somersworth, New Hampshire

Kittery, Maine

Exeter, New Hampshire

Rochester, New Hampshire

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Frequently asked questions

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What is the current concentration of PM2.5 in Durham, New Hampshire?

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

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

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

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

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

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

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

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

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