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

Rochester, New Hampshire currently has a PM10 concentration of 4.074 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 0.818 ppb.

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

Rochester, New Hampshire currently has an ozone (O3) concentration of 21.702 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 1.797 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 0.646 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)

0.65 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

4.07 μg/m³

155

255

425

605+

Ozone (O₃)

21.70 ppb

201

201+

Sulfur Dioxide (SO₂)

0.82 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.80 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.19 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
2026-09-26T23:00:00.000Z	26 \| good	3.836 \| good	11.431 \| good	28.098 \| good	0.896 \| good	1.19 \| good	0.167 \| good
2026-09-27T00:00:00.000Z	22 \| good	4.339 \| good	12.778 \| good	23.377 \| good	0.884 \| good	1.634 \| good	0.167 \| good
2026-09-27T01:00:00.000Z	27 \| good	4.757 \| good	16.263 \| good	27.567 \| good	0.86 \| good	0.914 \| good	0.167 \| good
2026-09-27T02:00:00.000Z	27 \| good	4.761 \| good	15.357 \| good	29.235 \| good	0.878 \| good	0.671 \| good	0.137 \| good
2026-09-27T03:00:00.000Z	25 \| good	1.613 \| good	6.573 \| good	27.073 \| good	0.148 \| good	0.665 \| good	0.135 \| good
2026-09-27T04:00:00.000Z	29 \| good	4.706 \| good	10.737 \| good	30.829 \| good	0.849 \| good	0.874 \| good	0.167 \| good
2026-09-27T05:00:00.000Z	25 \| good	3.911 \| good	13.747 \| good	26.865 \| good	0.754 \| good	1.905 \| good	0.167 \| good
2026-09-27T06:00:00.000Z	28 \| good	3.855 \| good	8.599 \| good	29.82 \| good	0.86 \| good	0.746 \| good	0.137 \| good
2026-09-27T07:00:00.000Z	27 \| good	3.757 \| good	13.16 \| good	28.536 \| good	0.86 \| good	0.725 \| good	0.137 \| good
2026-09-27T08:00:00.000Z	25 \| good	1.992 \| good	10.026 \| good	27.494 \| good	0.841 \| good	0.625 \| good	0.137 \| good
2026-09-27T09:00:00.000Z	28 \| good	2.09 \| good	6.689 \| good	30.079 \| good	0.808 \| good	1.705 \| good	0.137 \| good
2026-09-27T10:00:00.000Z	27 \| good	1.641 \| good	4.416 \| good	28.559 \| good	0.808 \| good	0.586 \| good	0.137 \| good
2026-09-27T11:00:00.000Z	28 \| good	1.589 \| good	4.435 \| good	29.776 \| good	0.86 \| good	2.047 \| good	0.137 \| good
2026-09-27T12:00:00.000Z	29 \| good	1.483 \| good	4.554 \| good	30.543 \| good	0.831 \| good	1.973 \| good	0.137 \| good
2026-09-27T13:00:00.000Z	29 \| good	1.435 \| good	3.735 \| good	31.221 \| good	0.831 \| good	1.923 \| good	0.137 \| good
2026-09-27T14:00:00.000Z	28 \| good	1.529 \| good	3.284 \| good	30.311 \| good	0.83 \| good	1.226 \| good	0.137 \| good
2026-09-27T15:00:00.000Z	28 \| good	1.291 \| good	3.5 \| good	30.42 \| good	0.833 \| good	4.214 \| good	0.152 \| good
2026-09-27T16:00:00.000Z	29 \| good	1.719 \| good	4.688 \| good	30.578 \| good	0.879 \| good	0.967 \| good	0.152 \| good
2026-09-27T17:00:00.000Z	30 \| good	1.436 \| good	4.409 \| good	32.093 \| good	0.808 \| good	1.86 \| good	0.152 \| good
2026-09-27T18:00:00.000Z	28 \| good	1.844 \| good	5.904 \| good	29.91 \| good	0.869 \| good	1.367 \| good	0.152 \| good
2026-09-27T19:00:00.000Z	28 \| good	1.979 \| good	4.927 \| good	30.458 \| good	0.869 \| good	1.043 \| good	0.152 \| good
2026-09-27T20:00:00.000Z	29 \| good	2.501 \| good	6.084 \| good	31.162 \| good	0.838 \| good	0.806 \| good	0.152 \| good
2026-09-27T21:00:00.000Z	30 \| good	1.914 \| good	4.836 \| good	31.945 \| good	0.806 \| good	0.716 \| good	0.152 \| good
2026-09-27T22:00:00.000Z	29 \| good	1.749 \| good	6.119 \| good	31.448 \| good	0.837 \| good	0.879 \| good	0.152 \| good
2026-09-27T23:00:00.000Z	30 \| good	1.326 \| good	6.039 \| good	31.845 \| good	0.884 \| good	0.824 \| good	0.152 \| good
2026-09-28T00:00:00.000Z	29 \| good	3.251 \| good	7.904 \| good	30.734 \| good	0.796 \| good	0.784 \| good	0.152 \| good
2026-09-28T01:00:00.000Z	26 \| good	2.812 \| good	8.226 \| good	27.534 \| good	0.89 \| good	0.754 \| good	0.137 \| good
2026-09-28T02:00:00.000Z	27 \| good	2.314 \| good	7.517 \| good	29.402 \| good	0.872 \| good	0.792 \| good	0.137 \| good
2026-09-28T03:00:00.000Z	25 \| good	2.993 \| good	12.233 \| good	26.698 \| good	0.165 \| good	0.796 \| good	0.124 \| good
2026-09-28T04:00:00.000Z	28 \| good	2.164 \| good	7.004 \| good	29.555 \| good	0.88 \| good	1.262 \| good	0.137 \| good
2026-09-28T05:00:00.000Z	27 \| good	1.832 \| good	5.088 \| good	29.122 \| good	0.83 \| good	0.89 \| good	0.137 \| good
2026-09-28T06:00:00.000Z	27 \| good	2.012 \| good	6.512 \| good	28.911 \| good	0.859 \| good	0.848 \| good	0.137 \| good
2026-09-28T07:00:00.000Z	27 \| good	2.512 \| good	5.832 \| good	28.848 \| good	0.891 \| good	0.863 \| good	0.137 \| good
2026-09-28T08:00:00.000Z	25 \| good	2.433 \| good	5.61 \| good	27.055 \| good	0.859 \| good	0.605 \| good	0.137 \| good
2026-09-28T09:00:00.000Z	24 \| good	1.971 \| good	5.161 \| good	26.482 \| good	0.785 \| good	0.696 \| good	0.137 \| good
2026-09-28T10:00:00.000Z	27 \| good	1.422 \| good	4.812 \| good	28.538 \| good	0.808 \| good	0.98 \| good	0.137 \| good
2026-09-28T11:00:00.000Z	26 \| good	1.343 \| good	4.324 \| good	28.022 \| good	0.86 \| good	1.257 \| good	0.152 \| good
2026-09-28T12:00:00.000Z	25 \| good	1.432 \| good	5.689 \| good	27.42 \| good	0.819 \| good	1.52 \| good	0.152 \| good
2026-09-28T13:00:00.000Z	23 \| good	1.334 \| good	4.061 \| good	25.479 \| good	0.849 \| good	1.402 \| good	0.152 \| good
2026-09-28T14:00:00.000Z	24 \| good	1.089 \| good	4.599 \| good	25.504 \| good	0.816 \| good	1.39 \| good	0.184 \| good
2026-09-28T15:00:00.000Z	23 \| good	1.355 \| good	2.293 \| good	25.449 \| good	0.841 \| good	1.209 \| good	0.188 \| good
2026-09-28T16:00:00.000Z	24 \| good	1.233 \| good	2.557 \| good	26.096 \| good	0.826 \| good	1.113 \| good	0.168 \| good
2026-09-28T17:00:00.000Z	22 \| good	0.613 \| good	2.368 \| good	24.362 \| good	0.826 \| good	1.276 \| good	0.168 \| good
2026-09-28T18:00:00.000Z	22 \| good	0.619 \| good	3.382 \| good	23.976 \| good	0.923 \| good	1.363 \| good	0.168 \| good
2026-09-28T19:00:00.000Z	22 \| good	0.676 \| good	5.461 \| good	23.724 \| good	0.774 \| good	1.206 \| good	0.188 \| good
2026-09-28T20:00:00.000Z	22 \| good	0.612 \| good	2.681 \| good	23.707 \| good	0.844 \| good	2.815 \| good	0.188 \| good
2026-09-28T21:00:00.000Z	20 \| good	0.646 \| good	4.074 \| good	21.702 \| good	0.818 \| good	1.797 \| good	0.188 \| good
2026-09-28T22:00:00.000Z	19 \| good	0.773 \| good	4.86 \| good	20.586 \| good	0.826 \| good	1.866 \| good	0.188 \| good
2026-09-28T22:00:00.000Z	20 \| good	0.646 \| good	4.074 \| good	21.702 \| good	0.818 \| good	1.797 \| good	0.188 \| good
2026-09-28T23:00:00.000Z	21 \| good	2.182 \| good	9.026 \| good	23.338 \| good	0.167 \| good	1.621 \| good	0.141 \| good
2026-09-29T00:00:00.000Z	21 \| good	2.633 \| good	10.549 \| good	23.359 \| good	0.185 \| good	1.683 \| good	0.141 \| good
2026-09-29T01:00:00.000Z	20 \| good	2.827 \| good	11.485 \| good	22.213 \| good	0.199 \| good	1.747 \| good	0.142 \| good
2026-09-29T02:00:00.000Z	19 \| good	3.053 \| good	12.615 \| good	21.447 \| good	0.209 \| good	1.796 \| good	0.143 \| good
2026-09-29T03:00:00.000Z	19 \| good	3.109 \| good	12.873 \| good	21.388 \| good	0.212 \| good	1.78 \| good	0.143 \| good
2026-09-29T04:00:00.000Z	20 \| good	2.992 \| good	12.065 \| good	21.578 \| good	0.206 \| good	1.662 \| good	0.141 \| good
2026-09-29T05:00:00.000Z	19 \| good	2.809 \| good	11.42 \| good	21.46 \| good	0.201 \| good	1.523 \| good	0.14 \| good
2026-09-29T06:00:00.000Z	20 \| good	2.68 \| good	11 \| good	21.708 \| good	0.198 \| good	1.424 \| good	0.139 \| good
2026-09-29T07:00:00.000Z	20 \| good	2.614 \| good	11 \| good	22.064 \| good	0.197 \| good	1.356 \| good	0.138 \| good
2026-09-29T08:00:00.000Z	20 \| good	2.589 \| good	10.1 \| good	22.129 \| good	0.195 \| good	1.308 \| good	0.138 \| good
2026-09-29T09:00:00.000Z	20 \| good	2.693 \| good	11 \| good	21.739 \| good	0.189 \| good	1.289 \| good	0.139 \| good
2026-09-29T10:00:00.000Z	20 \| good	2.543 \| good	10 \| good	22.487 \| good	0.185 \| good	1.295 \| good	0.14 \| good
2026-09-29T11:00:00.000Z	22 \| good	2.562 \| good	10.291 \| good	23.682 \| good	0.192 \| good	1.537 \| good	0.144 \| good
2026-09-29T12:00:00.000Z	22 \| good	2.569 \| good	10.318 \| good	23.737 \| good	0.2 \| good	1.787 \| good	0.15 \| good
2026-09-29T13:00:00.000Z	21 \| good	2.598 \| good	10.351 \| good	23.136 \| good	0.203 \| good	1.748 \| good	0.155 \| good
2026-09-29T14:00:00.000Z	21 \| good	2.512 \| good	10.034 \| good	23.123 \| good	0.2 \| good	1.335 \| good	0.152 \| good
2026-09-29T15:00:00.000Z	21 \| good	2.412 \| good	9.828 \| good	22.542 \| good	0.199 \| good	1.052 \| good	0.15 \| good
2026-09-29T16:00:00.000Z	21 \| good	2.488 \| good	10.034 \| good	23.028 \| good	0.205 \| good	0.881 \| good	0.146 \| good
2026-09-29T17:00:00.000Z	22 \| good	2.889 \| good	11.828 \| good	23.679 \| good	0.205 \| good	0.852 \| good	0.145 \| good
2026-09-29T18:00:00.000Z	23 \| good	3.126 \| good	13.656 \| good	24.645 \| good	0.203 \| good	0.909 \| good	0.146 \| good
2026-09-29T19:00:00.000Z	22 \| good	3.216 \| good	14.205 \| good	24.441 \| good	0.202 \| good	1.012 \| good	0.147 \| good
2026-09-29T20:00:00.000Z	22 \| good	3.359 \| good	14.966 \| good	23.516 \| good	0.204 \| good	1.187 \| good	0.15 \| good
2026-09-29T21:00:00.000Z	20 \| good	3.4 \| good	14.966 \| good	21.673 \| good	0.208 \| good	1.483 \| good	0.153 \| good
2026-09-29T22:00:00.000Z	19 \| good	3.359 \| good	14.965 \| good	20.25 \| good	0.224 \| good	2.127 \| good	0.161 \| good
2026-09-29T23:00:00.000Z	22 \| good	3.772 \| good	16.474 \| good	18.677 \| good	0.269 \| good	3.176 \| good	0.174 \| good
2026-09-30T00:00:00.000Z	22 \| good	4.248 \| good	18.374 \| good	20.928 \| good	0.315 \| good	3.84 \| good	0.183 \| good
2026-09-30T01:00:00.000Z	22 \| good	4.194 \| good	18.283 \| good	19.002 \| good	0.354 \| good	4.318 \| good	0.19 \| good
2026-09-30T02:00:00.000Z	22 \| good	4.439 \| good	19.419 \| good	17.893 \| good	0.383 \| good	4.693 \| good	0.197 \| good
2026-09-30T03:00:00.000Z	22 \| good	4.167 \| good	18.256 \| good	16.64 \| good	0.379 \| good	4.549 \| good	0.197 \| good
2026-09-30T04:00:00.000Z	22 \| good	4.094 \| good	18.051 \| good	15.724 \| good	0.35 \| good	4.041 \| good	0.192 \| good
2026-09-30T05:00:00.000Z	22 \| good	3.855 \| good	16.989 \| good	15.73 \| good	0.324 \| good	3.57 \| good	0.187 \| good
2026-09-30T06:00:00.000Z	22 \| good	3.804 \| good	16.731 \| good	15.508 \| good	0.308 \| good	3.303 \| good	0.184 \| good
2026-09-30T07:00:00.000Z	22 \| good	3.849 \| good	16.802 \| good	14.426 \| good	0.299 \| good	3.191 \| good	0.183 \| good
2026-09-30T08:00:00.000Z	22 \| good	4.15 \| good	18.127 \| good	13.178 \| good	0.298 \| good	3.212 \| good	0.184 \| good
2026-09-30T09:00:00.000Z	16 \| good	3.439 \| good	15.068 \| good	11.942 \| good	0.298 \| good	3.249 \| good	0.185 \| good
2026-09-30T10:00:00.000Z	22 \| good	3.553 \| good	16 \| good	9.722 \| good	0.303 \| good	3.354 \| good	0.187 \| good
2026-09-30T11:00:00.000Z	16 \| good	3.467 \| good	15.195 \| good	10.922 \| good	0.331 \| good	3.69 \| good	0.195 \| good
2026-09-30T12:00:00.000Z	22 \| good	3.815 \| good	16.649 \| good	13.779 \| good	0.349 \| good	3.65 \| good	0.204 \| good
2026-09-30T13:00:00.000Z	22 \| good	3.579 \| good	15.839 \| good	17.183 \| good	0.357 \| good	2.967 \| good	0.203 \| good
2026-09-30T14:00:00.000Z	22 \| good	3.979 \| good	17.553 \| good	21.366 \| good	0.344 \| good	1.84 \| good	0.186 \| good
2026-09-30T15:00:00.000Z	25 \| good	3.787 \| good	16.682 \| good	26.589 \| good	0.306 \| good	1.349 \| good	0.177 \| good
2026-09-30T16:00:00.000Z	28 \| good	4.038 \| good	17.81 \| good	29.691 \| good	0.281 \| good	1.224 \| good	0.172 \| good
2026-09-30T17:00:00.000Z	31 \| good	4.308 \| good	18.999 \| good	32.749 \| good	0.263 \| good	1.29 \| good	0.169 \| good
2026-09-30T18:00:00.000Z	32 \| good	3.595 \| good	16 \| good	34.648 \| good	0.255 \| good	1.403 \| good	0.169 \| good
2026-09-30T19:00:00.000Z	31 \| good	4.112 \| good	18.133 \| good	33.959 \| good	0.232 \| good	1.496 \| good	0.168 \| good
2026-09-30T20:00:00.000Z	30 \| good	5.264 \| good	22.953 \| good	32.229 \| good	0.22 \| good	1.751 \| good	0.168 \| good
2026-09-30T21:00:00.000Z	33 \| good	6.487 \| good	28.553 \| good	31.559 \| good	0.221 \| good	2.26 \| good	0.171 \| good
2026-09-30T22:00:00.000Z	38 \| good	6.751 \| good	29.933 \| good	30.784 \| good	0.247 \| good	3.41 \| good	0.185 \| good

Rochester

Empower business decisions with accurate air quality data

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

0.20ppm

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

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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 11:00:00, 2026-09-27.

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 09:00:00 on 2026-09-28.

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 20.

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

In Rochester, New Hampshire, O3 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 0.646 μg/m³.

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

Rochester, New Hampshire currently has a PM₁₀ concentration of 4.074 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 0.188 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 0.818 ppb.

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

Rochester, New Hampshire currently has an ozone (O₃) concentration of 21.702 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 1.797 ppb.

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