What is the current level of PM10 in Rochester, New Hampshire?

Rochester, New Hampshire currently has a PM10 concentration of 38.977 μg/m3.

What is the current level of sulfur dioxide (SO2) in Rochester, New Hampshire?

The current sulfur dioxide (SO2) concentration in Rochester, New Hampshire is 0.819 ppb.

What is the current level of ozone (O3) in Rochester, New Hampshire?

Rochester, New Hampshire currently has an ozone (O3) concentration of 26.325 ppm.

What is the current level of nitrogen dioxide (NO2) in Rochester, New Hampshire?

The current level of nitrogen dioxide (NO2) in Rochester, New Hampshire is 2.12 ppb.

Current air quality index in Rochester, New Hampshire today

Q: What is the PM2.5 concentration in Rochester, New Hampshire right now?

Rochester, New Hampshire currently has a PM2.5 concentration of 8.307 μg/m3.

Stay updated with real-time air quality in Rochester, New Hampshire featuring accurate data on AQI, PM_2.5, PM₁₀, O₃, NO₂, SO₂, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.

Live AQI (Air Quality Index)

Good

Rochester, New Hampshire

Last updated: ... (Local time)

Common air pollutants in Rochester, New Hampshire

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

8.31 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

38.98 μg/m³

155

255

425

605+

Ozone (O₃)

26.32 ppb

201

201+

Sulfur Dioxide (SO₂)

0.82 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.12 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.12 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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Rochester, New Hampshire

Scroll To Air Quality Map

Track live Rochester, New Hampshire air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-06-27T20:00:00.000Z	33 \| good	6.07 \| good	17.115 \| good	36.072 \| good	0.516 \| good	2.706 \| good	0.133 \| good
2026-06-27T21:00:00.000Z	33 \| good	5.79 \| good	18.054 \| good	32.176 \| good	0.576 \| good	2.973 \| good	0.133 \| good
2026-06-27T22:00:00.000Z	31 \| good	4.798 \| good	16.376 \| good	33.39 \| good	0.56 \| good	3.632 \| good	0.133 \| good
2026-06-27T23:00:00.000Z	31 \| good	5.482 \| good	26.008 \| good	33.351 \| good	0.571 \| good	3.284 \| good	0.133 \| good
2026-06-28T00:00:00.000Z	33 \| good	5.647 \| good	14.602 \| good	35.888 \| good	0.547 \| good	2.902 \| good	0.133 \| good
2026-06-28T01:00:00.000Z	32 \| good	5.152 \| good	11.466 \| good	34.639 \| good	0.522 \| good	2.414 \| good	0.177 \| good
2026-06-28T02:00:00.000Z	33 \| good	5.638 \| good	12.988 \| good	28.347 \| good	0.493 \| good	3.068 \| good	0.177 \| good
2026-06-28T03:00:00.000Z	38 \| good	7.478 \| good	32.7 \| good	23.595 \| good	0.234 \| good	2.427 \| good	0.161 \| good
2026-06-28T04:00:00.000Z	33 \| good	5.895 \| good	17.083 \| good	29.708 \| good	0.553 \| good	3.275 \| good	0.214 \| good
2026-06-28T05:00:00.000Z	33 \| good	5.815 \| good	20.236 \| good	24.549 \| good	0.553 \| good	5.227 \| good	0.214 \| good
2026-06-28T06:00:00.000Z	33 \| good	6.116 \| good	20.432 \| good	21.631 \| good	0.482 \| good	5.217 \| good	0.191 \| good
2026-06-28T07:00:00.000Z	33 \| good	5.64 \| good	23.258 \| good	19.53 \| good	0.482 \| good	3.13 \| good	0.191 \| good
2026-06-28T08:00:00.000Z	38 \| good	6.581 \| good	21.73 \| good	15.789 \| good	0.45 \| good	4.34 \| good	0.177 \| good
2026-06-28T09:00:00.000Z	38 \| good	7.325 \| good	19.549 \| good	23.997 \| good	0.535 \| good	3.356 \| good	0.177 \| good
2026-06-28T10:00:00.000Z	38 \| good	7.306 \| good	24.319 \| good	15.714 \| good	0.503 \| good	1.728 \| good	0.177 \| good
2026-06-28T11:00:00.000Z	33 \| good	5.826 \| good	21.276 \| good	17.186 \| good	0.488 \| good	3.558 \| good	0.196 \| good
2026-06-28T12:00:00.000Z	49 \| good	8.915 \| good	38.494 \| good	13.617 \| good	0.631 \| good	4.235 \| good	0.181 \| good
2026-06-28T13:00:00.000Z	44 \| good	8.191 \| good	29.744 \| good	15.972 \| good	0.616 \| good	3.879 \| good	0.177 \| good
2026-06-28T14:00:00.000Z	38 \| good	7.079 \| good	24.238 \| good	18.544 \| good	0.608 \| good	1.979 \| good	0.162 \| good
2026-06-28T15:00:00.000Z	33 \| good	5.927 \| good	25.03 \| good	23.849 \| good	0.566 \| good	2.11 \| good	0.162 \| good
2026-06-28T16:00:00.000Z	27 \| good	5.489 \| good	25.17 \| good	28.789 \| good	0.597 \| good	2.522 \| good	0.181 \| good
2026-06-28T17:00:00.000Z	25 \| good	3.701 \| good	20.408 \| good	27.016 \| good	0.565 \| good	3.76 \| good	0.131 \| good
2026-06-28T18:00:00.000Z	28 \| good	5.133 \| good	20.888 \| good	29.736 \| good	0.55 \| good	3.333 \| good	0.131 \| good
2026-06-28T19:00:00.000Z	38 \| good	6.782 \| good	17.624 \| good	29.543 \| good	0.553 \| good	3.863 \| good	0.15 \| good
2026-06-28T20:00:00.000Z	33 \| good	6.363 \| good	18.614 \| good	31.77 \| good	0.561 \| good	4.33 \| good	0.131 \| good
2026-06-28T21:00:00.000Z	44 \| good	7.903 \| good	35.93 \| good	33.69 \| good	0.549 \| good	2.33 \| good	0.15 \| good
2026-06-28T22:00:00.000Z	38 \| good	6.874 \| good	19.894 \| good	34.172 \| good	0.553 \| good	4.463 \| good	0.15 \| good
2026-06-28T23:00:00.000Z	38 \| good	7.349 \| good	22.442 \| good	29.582 \| good	0.59 \| good	3.48 \| good	0.15 \| good
2026-06-29T00:00:00.000Z	38 \| good	6.749 \| good	15.383 \| good	33.969 \| good	0.553 \| good	5.445 \| good	0.2 \| good
2026-06-29T01:00:00.000Z	44 \| good	7.599 \| good	20.77 \| good	31.7 \| good	0.567 \| good	5.73 \| good	0.189 \| good
2026-06-29T02:00:00.000Z	38 \| good	6.543 \| good	24.275 \| good	34.203 \| good	0.599 \| good	5.554 \| good	0.219 \| good
2026-06-29T03:00:00.000Z	62 \| moderate	14.991 \| fine	67.226 \| fine	27.962 \| good	0.282 \| good	3.215 \| good	0.175 \| good
2026-06-29T04:00:00.000Z	38 \| good	7.225 \| good	35.212 \| good	27.802 \| good	0.655 \| good	5.434 \| good	0.2 \| good
2026-06-29T05:00:00.000Z	38 \| good	7.009 \| good	18.212 \| good	28.977 \| good	0.462 \| good	7.672 \| good	0.2 \| good
2026-06-29T06:00:00.000Z	44 \| good	7.571 \| good	25.23 \| good	15.574 \| good	0.563 \| good	7.649 \| good	0.2 \| good
2026-06-29T07:00:00.000Z	44 \| good	7.945 \| good	15.121 \| good	17 \| good	0.563 \| good	7.546 \| good	0.2 \| good
2026-06-29T08:00:00.000Z	38 \| good	7.117 \| good	20.941 \| good	17.114 \| good	0.425 \| good	7.169 \| good	0.181 \| good
2026-06-29T09:00:00.000Z	38 \| good	7.482 \| good	23.599 \| good	6.819 \| good	0.67 \| good	8.516 \| good	0.2 \| good
2026-06-29T10:00:00.000Z	38 \| good	6.966 \| good	22.19 \| good	6.839 \| good	0.693 \| good	10.587 \| good	0.219 \| good
2026-06-29T11:00:00.000Z	49 \| good	9.243 \| good	18.507 \| good	5.052 \| good	0.802 \| good	7.245 \| good	0.219 \| good
2026-06-29T12:00:00.000Z	52 \| moderate	9.645 \| good	24.358 \| good	12.76 \| good	1.222 \| good	3.805 \| good	0.269 \| good
2026-06-29T13:00:00.000Z	44 \| good	8.441 \| good	31.7 \| good	14.152 \| good	1.225 \| good	3.789 \| good	0.257 \| good
2026-06-29T14:00:00.000Z	49 \| good	9.496 \| good	36.491 \| good	17.132 \| good	0.59 \| good	6.3 \| good	0.2 \| good
2026-06-29T15:00:00.000Z	52 \| moderate	9.667 \| good	34.802 \| good	20.599 \| good	0.554 \| good	3.594 \| good	0.2 \| good
2026-06-29T16:00:00.000Z	52 \| moderate	9.916 \| good	39.428 \| good	24.79 \| good	0.593 \| good	2.849 \| good	0.162 \| good
2026-06-29T17:00:00.000Z	52 \| moderate	10.142 \| good	43.81 \| good	25.668 \| good	0.719 \| good	3.945 \| good	0.119 \| good
2026-06-29T18:00:00.000Z	44 \| good	8.307 \| good	38.977 \| good	26.325 \| good	0.819 \| good	2.12 \| good	0.119 \| good
2026-06-29T19:00:00.000Z	38 \| good	7.466 \| good	30.739 \| good	29.817 \| good	0.592 \| good	3.189 \| good	0.119 \| good
2026-06-29T19:00:00.000Z	44 \| good	8.307 \| good	38.977 \| good	26.325 \| good	0.819 \| good	2.12 \| good	0.119 \| good
2026-06-29T19:00:00.000Z	26 \| good	3.113 \| good	13.12 \| good	28.168 \| good	0.181 \| good	0.539 \| good	0.139 \| good
2026-06-29T20:00:00.000Z	28 \| good	3.056 \| good	12.902 \| good	29.854 \| good	0.171 \| good	0.582 \| good	0.138 \| good
2026-06-29T21:00:00.000Z	31 \| good	3.699 \| good	16.219 \| good	32.619 \| good	0.162 \| good	0.727 \| good	0.139 \| good
2026-06-29T22:00:00.000Z	31 \| good	3.869 \| good	16.909 \| good	33.025 \| good	0.153 \| good	1.031 \| good	0.142 \| good
2026-06-29T23:00:00.000Z	26 \| good	3.857 \| good	16.875 \| good	27.964 \| good	0.148 \| good	1.509 \| good	0.148 \| good
2026-06-30T00:00:00.000Z	23 \| good	4.215 \| good	18.751 \| good	24.733 \| good	0.155 \| good	2.144 \| good	0.154 \| good
2026-06-30T01:00:00.000Z	22 \| good	4.322 \| good	19.075 \| good	23.165 \| good	0.174 \| good	2.786 \| good	0.16 \| good
2026-06-30T02:00:00.000Z	27 \| good	4.766 \| good	20.623 \| good	22.288 \| good	0.195 \| good	3.201 \| good	0.165 \| good
2026-06-30T03:00:00.000Z	33 \| good	6.009 \| good	26.334 \| good	21.372 \| good	0.218 \| good	3.484 \| good	0.167 \| good
2026-06-30T04:00:00.000Z	44 \| good	7.585 \| good	33.194 \| good	19.298 \| good	0.24 \| good	3.742 \| good	0.169 \| good
2026-06-30T05:00:00.000Z	49 \| good	8.945 \| good	39.486 \| good	19.102 \| good	0.266 \| good	3.771 \| good	0.168 \| good
2026-06-30T06:00:00.000Z	52 \| moderate	9.505 \| good	42.699 \| good	21.282 \| good	0.292 \| good	3.917 \| good	0.172 \| good
2026-06-30T07:00:00.000Z	52 \| moderate	9.708 \| good	43.127 \| good	20.969 \| good	0.312 \| good	3.919 \| good	0.177 \| good
2026-06-30T08:00:00.000Z	52 \| moderate	9.955 \| good	44.06 \| good	20.339 \| good	0.316 \| good	3.955 \| good	0.184 \| good
2026-06-30T09:00:00.000Z	52 \| moderate	10.019 \| good	44.901 \| good	20.047 \| good	0.317 \| good	4.017 \| good	0.191 \| good
2026-06-30T10:00:00.000Z	52 \| moderate	10.027 \| good	44.381 \| good	18.276 \| good	0.312 \| good	3.921 \| good	0.198 \| good
2026-06-30T11:00:00.000Z	52 \| moderate	10.096 \| good	44.605 \| good	23.114 \| good	0.282 \| good	3.33 \| good	0.203 \| good
2026-06-30T12:00:00.000Z	49 \| good	9.404 \| good	41.988 \| good	26.97 \| good	0.276 \| good	2.769 \| good	0.21 \| good
2026-06-30T13:00:00.000Z	44 \| good	7.848 \| good	34.68 \| good	30.65 \| good	0.299 \| good	2.073 \| good	0.21 \| good
2026-06-30T14:00:00.000Z	38 \| good	7.108 \| good	31.613 \| good	33.391 \| good	0.301 \| good	1.782 \| good	0.209 \| good
2026-06-30T15:00:00.000Z	38 \| good	6.694 \| good	29.616 \| good	35.929 \| good	0.289 \| good	1.611 \| good	0.205 \| good
2026-06-30T16:00:00.000Z	34 \| good	6.03 \| good	26.887 \| good	36.654 \| good	0.266 \| good	1.433 \| good	0.198 \| good
2026-06-30T17:00:00.000Z	33 \| good	5.464 \| good	23.554 \| good	36.407 \| good	0.239 \| good	1.226 \| good	0.191 \| good
2026-06-30T18:00:00.000Z	33 \| good	5.098 \| good	22.051 \| good	36.297 \| good	0.216 \| good	1.068 \| good	0.184 \| good
2026-06-30T19:00:00.000Z	34 \| good	5.625 \| good	24.316 \| good	37.291 \| good	0.204 \| good	0.963 \| good	0.18 \| good
2026-06-30T20:00:00.000Z	38 \| good	6.836 \| good	30.356 \| good	40.407 \| good	0.198 \| good	0.995 \| good	0.178 \| good
2026-06-30T21:00:00.000Z	49 \| good	8.84 \| good	39.32 \| good	41.301 \| good	0.196 \| good	1.242 \| good	0.181 \| good
2026-06-30T22:00:00.000Z	52 \| moderate	9.809 \| good	43.762 \| good	38.238 \| good	0.196 \| good	1.615 \| good	0.186 \| good
2026-06-30T23:00:00.000Z	52 \| moderate	9.786 \| good	43.194 \| good	38.758 \| good	0.212 \| good	2.07 \| good	0.191 \| good
2026-07-01T00:00:00.000Z	58 \| moderate	12.762 \| fine	57.268 \| fine	49.938 \| good	0.226 \| good	2.254 \| good	0.193 \| good
2026-07-01T01:00:00.000Z	62 \| moderate	15.225 \| fine	67.899 \| fine	57.779 \| fine	0.226 \| good	2.178 \| good	0.189 \| good
2026-07-01T02:00:00.000Z	60 \| moderate	14.051 \| fine	62.51 \| fine	53.718 \| good	0.2 \| good	1.919 \| good	0.181 \| good
2026-07-01T03:00:00.000Z	56 \| moderate	11.794 \| good	52.677 \| good	48.729 \| good	0.195 \| good	1.925 \| good	0.176 \| good
2026-07-01T04:00:00.000Z	54 \| moderate	11.066 \| good	49.106 \| good	43.553 \| good	0.209 \| good	2.216 \| good	0.175 \| good
2026-07-01T05:00:00.000Z	54 \| moderate	11.173 \| good	49.346 \| good	38.891 \| good	0.219 \| good	2.415 \| good	0.173 \| good
2026-07-01T06:00:00.000Z	54 \| moderate	11.37 \| good	50.311 \| good	34.607 \| good	0.246 \| good	2.572 \| good	0.166 \| good
2026-07-01T07:00:00.000Z	56 \| moderate	11.986 \| good	53.688 \| good	32.909 \| good	0.258 \| good	2.771 \| good	0.167 \| good
2026-07-01T08:00:00.000Z	56 \| moderate	12.209 \| fine	54.922 \| good	32.319 \| good	0.272 \| good	2.907 \| good	0.169 \| good
2026-07-01T09:00:00.000Z	56 \| moderate	12.136 \| fine	54.447 \| good	30.391 \| good	0.29 \| good	2.887 \| good	0.171 \| good
2026-07-01T10:00:00.000Z	56 \| moderate	12.297 \| fine	55.482 \| fine	28.679 \| good	0.297 \| good	2.665 \| good	0.173 \| good
2026-07-01T11:00:00.000Z	56 \| moderate	12.248 \| fine	55.439 \| fine	30.033 \| good	0.299 \| good	2.183 \| good	0.176 \| good
2026-07-01T12:00:00.000Z	58 \| moderate	12.881 \| fine	57.636 \| fine	31.615 \| good	0.304 \| good	1.815 \| good	0.181 \| good
2026-07-01T13:00:00.000Z	60 \| moderate	13.958 \| fine	62.781 \| fine	35.608 \| good	0.315 \| good	1.432 \| good	0.183 \| good
2026-07-01T14:00:00.000Z	62 \| moderate	15.394 \| fine	68.911 \| fine	39.602 \| good	0.328 \| good	1.069 \| good	0.184 \| good
2026-07-01T15:00:00.000Z	66 \| moderate	17.181 \| fine	75.614 \| fine	40.515 \| good	0.366 \| good	0.824 \| good	0.184 \| good
2026-07-01T16:00:00.000Z	67 \| moderate	18.499 \| fine	81.546 \| fine	38.481 \| good	0.39 \| good	0.695 \| good	0.182 \| good
2026-07-01T17:00:00.000Z	71 \| moderate	19.868 \| fine	87.561 \| fine	38.999 \| good	0.355 \| good	0.666 \| good	0.181 \| good
2026-07-01T18:00:00.000Z	71 \| moderate	20.214 \| fine	89.129 \| fine	36.361 \| good	0.312 \| good	0.667 \| good	0.179 \| good

Rochester

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Rochester, New Hampshire

0.12ppm

How accurate is New Hampshire, USA air quality data?

The air quality data for New Hampshire, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.

Source: Ambee Data Sources

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Frequently asked questions

How frequently does the air quality data for Rochester, New Hampshire get updated?

Air quality updates for Rochester, New Hampshire are available every hour.

What time in the past 24 hours saw the poorest air quality in Rochester, New Hampshire?

Rochester, New Hampshire experienced its worst air quality at 03:00:00, 2026-06-29.

When was air quality in Rochester, New Hampshire the best over the past 24 hours?

The best air quality in Rochester, New Hampshire was observed at 06:00:00 on 2026-06-28.

What is the air quality in Rochester, New Hampshire right now?

The air quality in Rochester, New Hampshire right now is Good, with an AQI of 44.

What pollutant is most frequently found in Rochester, New Hampshire?

In Rochester, New Hampshire, PM2.5 is the most frequently found pollutant.

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

When air quality in Rochester, New Hampshire is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in Rochester, New Hampshire right now?

Rochester, New Hampshire currently has a PM_2.5 concentration of 8.307 μg/m³.

What is the current level of PM₁₀ in Rochester, New Hampshire?

Rochester, New Hampshire currently has a PM₁₀ concentration of 38.977 μg/m³.

What is the current level of carbon monoxide (CO) in Rochester, New Hampshire?

The current carbon monoxide (CO) level in Rochester, New Hampshire is 0.119 ppm.

What is the current level of sulfur dioxide (SO₂) in Rochester, New Hampshire?

The current sulfur dioxide (SO₂) concentration in Rochester, New Hampshire is 0.819 ppb.

What is the current level of ozone (O₃) in Rochester, New Hampshire?

Rochester, New Hampshire currently has an ozone (O₃) concentration of 26.325 ppm.

What is the current level of nitrogen dioxide (NO₂) in Rochester, New Hampshire?

The current level of nitrogen dioxide (NO₂) in Rochester, New Hampshire is 2.12 ppb.

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