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

The current PM10 concentration at Salem, New Hampshire is 39.306 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Salem, New Hampshire is 0.883 ppb.

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

The current ozone (O3) concentration at Salem, New Hampshire is 35.85 ppm.

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

The current nitrogen dioxide (NO2) concentration at Salem, New Hampshire is 1.889 ppb.

Salem, New Hampshire live air quality index now

Q: What is the current concentration of PM2.5 in Salem, New Hampshire?

The current PM2.5 concentration at Salem, New Hampshire is 10.297 μg/m3.

Stay updated with real-time air quality in Salem, 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

Salem, New Hampshire

Last updated: ... (Local time)

Major air pollutants in Salem, New Hampshire

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

10.30 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

39.31 μg/m³

155

255

425

605+

Ozone (O₃)

35.85 ppb

201

201+

Sulfur Dioxide (SO₂)

0.88 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.89 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.12 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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Salem, New Hampshire

Scroll To Air Quality Map

Track live Salem, New Hampshire air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-06-27T20:00:00.000Z	37 \| good	5.382 \| good	22.69 \| good	39.844 \| good	0.677 \| good	3.909 \| good	0.132 \| good
2026-06-27T21:00:00.000Z	39 \| good	5.466 \| good	21.457 \| good	41.54 \| good	0.732 \| good	4.13 \| good	0.132 \| good
2026-06-27T22:00:00.000Z	36 \| good	5.317 \| good	22.082 \| good	38.501 \| good	0.752 \| good	3.224 \| good	0.132 \| good
2026-06-27T23:00:00.000Z	34 \| good	5.39 \| good	22.787 \| good	36.719 \| good	0.746 \| good	3.263 \| good	0.132 \| good
2026-06-28T00:00:00.000Z	36 \| good	5.46 \| good	22.034 \| good	38.732 \| good	0.73 \| good	5.451 \| good	0.132 \| good
2026-06-28T01:00:00.000Z	33 \| good	5.68 \| good	23.983 \| good	36.239 \| good	0.712 \| good	5.325 \| good	0.18 \| good
2026-06-28T02:00:00.000Z	33 \| good	5.938 \| good	24.45 \| good	31.017 \| good	0.683 \| good	5.757 \| good	0.18 \| good
2026-06-28T03:00:00.000Z	52 \| moderate	10.403 \| good	46.356 \| good	31.876 \| good	0.329 \| good	6.272 \| good	0.187 \| good
2026-06-28T04:00:00.000Z	38 \| good	6.598 \| good	27.738 \| good	31.552 \| good	0.736 \| good	6.301 \| good	0.22 \| good
2026-06-28T05:00:00.000Z	38 \| good	7.338 \| good	30.956 \| good	26.882 \| good	0.737 \| good	6.717 \| good	0.22 \| good
2026-06-28T06:00:00.000Z	44 \| good	7.564 \| good	30.983 \| good	20.567 \| good	0.689 \| good	5.833 \| good	0.191 \| good
2026-06-28T07:00:00.000Z	44 \| good	7.536 \| good	31.18 \| good	17.978 \| good	0.692 \| good	5.751 \| good	0.191 \| good
2026-06-28T08:00:00.000Z	44 \| good	7.599 \| good	31.422 \| good	14.504 \| good	0.631 \| good	4.74 \| good	0.18 \| good
2026-06-28T09:00:00.000Z	44 \| good	7.957 \| good	33.092 \| good	13.553 \| good	0.694 \| good	3.234 \| good	0.18 \| good
2026-06-28T10:00:00.000Z	44 \| good	8.079 \| good	32.261 \| good	9.453 \| good	0.678 \| good	4.64 \| good	0.18 \| good
2026-06-28T11:00:00.000Z	44 \| good	8.138 \| good	32.718 \| good	9.858 \| good	0.652 \| good	3.681 \| good	0.201 \| good
2026-06-28T12:00:00.000Z	44 \| good	8.184 \| good	33.829 \| good	14.128 \| good	0.795 \| good	4.03 \| good	0.189 \| good
2026-06-28T13:00:00.000Z	44 \| good	8.202 \| good	33.34 \| good	13.526 \| good	0.764 \| good	4.328 \| good	0.184 \| good
2026-06-28T14:00:00.000Z	44 \| good	8.302 \| good	34.914 \| good	21.127 \| good	0.748 \| good	2.526 \| good	0.168 \| good
2026-06-28T15:00:00.000Z	44 \| good	8.441 \| good	35.235 \| good	29.926 \| good	0.668 \| good	1.471 \| good	0.168 \| good
2026-06-28T16:00:00.000Z	44 \| good	8.222 \| good	34.348 \| good	28.674 \| good	0.72 \| good	2.414 \| good	0.188 \| good
2026-06-28T17:00:00.000Z	44 \| good	7.746 \| good	31.815 \| good	29.829 \| good	0.731 \| good	1.995 \| good	0.131 \| good
2026-06-28T18:00:00.000Z	38 \| good	7.298 \| good	28.536 \| good	32.366 \| good	0.75 \| good	1.801 \| good	0.13 \| good
2026-06-28T19:00:00.000Z	38 \| good	6.907 \| good	27.418 \| good	35.244 \| good	0.743 \| good	2.529 \| good	0.151 \| good
2026-06-28T20:00:00.000Z	38 \| good	6.701 \| good	27.175 \| good	36.942 \| good	0.745 \| good	3.844 \| good	0.13 \| good
2026-06-28T21:00:00.000Z	38 \| good	6.552 \| good	27.372 \| good	38.09 \| good	0.724 \| good	3.241 \| good	0.151 \| good
2026-06-28T22:00:00.000Z	34 \| good	6.477 \| good	26.339 \| good	37.388 \| good	0.704 \| good	4.953 \| good	0.151 \| good
2026-06-28T23:00:00.000Z	33 \| good	6.465 \| good	26.583 \| good	35.518 \| good	0.726 \| good	4.84 \| good	0.151 \| good
2026-06-29T00:00:00.000Z	33 \| good	6.288 \| good	26.395 \| good	36.201 \| good	0.708 \| good	6.954 \| good	0.211 \| good
2026-06-29T01:00:00.000Z	34 \| good	6.254 \| good	25.088 \| good	36.683 \| good	0.717 \| good	10.115 \| good	0.192 \| good
2026-06-29T02:00:00.000Z	33 \| good	6.17 \| good	24.381 \| good	34.365 \| good	0.755 \| good	8.931 \| good	0.229 \| good
2026-06-29T03:00:00.000Z	64 \| moderate	16.206 \| fine	72.47 \| fine	32.732 \| good	0.45 \| good	7.91 \| good	0.226 \| good
2026-06-29T04:00:00.000Z	38 \| good	6.852 \| good	27.996 \| good	28.174 \| good	0.759 \| good	8.042 \| good	0.21 \| good
2026-06-29T05:00:00.000Z	38 \| good	7.284 \| good	28.913 \| good	26.277 \| good	0.543 \| good	8.075 \| good	0.209 \| good
2026-06-29T06:00:00.000Z	38 \| good	7.236 \| good	29.79 \| good	24.972 \| good	0.691 \| good	7.662 \| good	0.209 \| good
2026-06-29T07:00:00.000Z	38 \| good	7.276 \| good	29.418 \| good	22.717 \| good	0.692 \| good	7.801 \| good	0.209 \| good
2026-06-29T08:00:00.000Z	38 \| good	7.245 \| good	29.138 \| good	19.433 \| good	0.511 \| good	3.89 \| good	0.189 \| good
2026-06-29T09:00:00.000Z	44 \| good	7.638 \| good	30.656 \| good	17.215 \| good	0.74 \| good	3.689 \| good	0.21 \| good
2026-06-29T10:00:00.000Z	44 \| good	7.737 \| good	31.845 \| good	17.356 \| good	0.734 \| good	6.94 \| good	0.211 \| good
2026-06-29T11:00:00.000Z	44 \| good	7.852 \| good	32.374 \| good	14.619 \| good	0.789 \| good	7.065 \| good	0.211 \| good
2026-06-29T12:00:00.000Z	44 \| good	8.25 \| good	33.581 \| good	14.783 \| good	0.976 \| good	5.261 \| good	0.281 \| good
2026-06-29T13:00:00.000Z	44 \| good	8.115 \| good	33.628 \| good	12.844 \| good	0.978 \| good	5.182 \| good	0.271 \| good
2026-06-29T14:00:00.000Z	49 \| good	9.477 \| good	38.109 \| good	17.299 \| good	0.733 \| good	4.935 \| good	0.21 \| good
2026-06-29T15:00:00.000Z	52 \| moderate	9.982 \| good	40.642 \| good	24.438 \| good	0.733 \| good	3.379 \| good	0.21 \| good
2026-06-29T16:00:00.000Z	52 \| moderate	10.282 \| good	41.404 \| good	29.859 \| good	0.787 \| good	2.374 \| good	0.169 \| good
2026-06-29T17:00:00.000Z	52 \| moderate	10.234 \| good	40.751 \| good	33.159 \| good	0.788 \| good	3.089 \| good	0.121 \| good
2026-06-29T18:00:00.000Z	52 \| moderate	10.097 \| good	41.539 \| good	35.441 \| good	0.882 \| good	2.029 \| good	0.121 \| good
2026-06-29T19:00:00.000Z	52 \| moderate	9.822 \| good	39.096 \| good	36.679 \| good	0.789 \| good	3.757 \| good	0.121 \| good
2026-06-29T19:00:00.000Z	52 \| moderate	10.297 \| good	39.306 \| good	35.85 \| good	0.883 \| good	1.889 \| good	0.117 \| good
2026-06-29T19:00:00.000Z	35 \| good	4.361 \| good	19.128 \| good	38.139 \| good	0.272 \| good	0.605 \| good	0.141 \| good
2026-06-29T20:00:00.000Z	35 \| good	4.099 \| good	18.004 \| good	37.778 \| good	0.264 \| good	0.685 \| good	0.142 \| good
2026-06-29T21:00:00.000Z	35 \| good	4.107 \| good	18.026 \| good	37.896 \| good	0.255 \| good	0.898 \| good	0.143 \| good
2026-06-29T22:00:00.000Z	34 \| good	3.9 \| good	17.414 \| good	36.664 \| good	0.248 \| good	1.394 \| good	0.147 \| good
2026-06-29T23:00:00.000Z	31 \| good	4.994 \| good	21.641 \| good	33.316 \| good	0.247 \| good	2.381 \| good	0.156 \| good
2026-06-30T00:00:00.000Z	38 \| good	7.392 \| good	32.776 \| good	29.299 \| good	0.264 \| good	3.787 \| good	0.166 \| good
2026-06-30T01:00:00.000Z	44 \| good	8.45 \| good	36.951 \| good	23.517 \| good	0.291 \| good	5.148 \| good	0.173 \| good
2026-06-30T02:00:00.000Z	52 \| moderate	9.916 \| good	44.018 \| good	19.58 \| good	0.317 \| good	6.169 \| good	0.179 \| good
2026-06-30T03:00:00.000Z	52 \| moderate	9.899 \| good	44.034 \| good	17.759 \| good	0.338 \| good	6.731 \| good	0.182 \| good
2026-06-30T04:00:00.000Z	52 \| moderate	9.973 \| good	44.688 \| good	17.754 \| good	0.349 \| good	6.709 \| good	0.186 \| good
2026-06-30T05:00:00.000Z	54 \| moderate	10.629 \| good	46.961 \| good	18.335 \| good	0.347 \| good	6.352 \| good	0.193 \| good
2026-06-30T06:00:00.000Z	52 \| moderate	10.151 \| good	45.019 \| good	20.667 \| good	0.342 \| good	5.95 \| good	0.199 \| good
2026-06-30T07:00:00.000Z	52 \| moderate	10.322 \| good	45.977 \| good	21.756 \| good	0.332 \| good	5.426 \| good	0.205 \| good
2026-06-30T08:00:00.000Z	54 \| moderate	11.084 \| good	48.876 \| good	21.39 \| good	0.32 \| good	5.04 \| good	0.209 \| good
2026-06-30T09:00:00.000Z	56 \| moderate	11.748 \| good	51.937 \| good	23.442 \| good	0.318 \| good	4.872 \| good	0.213 \| good
2026-06-30T10:00:00.000Z	56 \| moderate	12.392 \| fine	56.502 \| fine	21.228 \| good	0.323 \| good	4.831 \| good	0.216 \| good
2026-06-30T11:00:00.000Z	58 \| moderate	13.37 \| fine	60.823 \| fine	28.832 \| good	0.319 \| good	4.533 \| good	0.219 \| good
2026-06-30T12:00:00.000Z	58 \| moderate	13.037 \| fine	58.853 \| fine	35.088 \| good	0.364 \| good	3.876 \| good	0.221 \| good
2026-06-30T13:00:00.000Z	56 \| moderate	11.556 \| good	51.188 \| good	40.589 \| good	0.425 \| good	2.827 \| good	0.217 \| good
2026-06-30T14:00:00.000Z	49 \| good	9.363 \| good	41.778 \| good	44.629 \| good	0.445 \| good	1.98 \| good	0.211 \| good
2026-06-30T15:00:00.000Z	44 \| good	8.01 \| good	34.984 \| good	45.435 \| good	0.405 \| good	1.428 \| good	0.203 \| good
2026-06-30T16:00:00.000Z	44 \| good	7.723 \| good	33.741 \| good	47.081 \| good	0.312 \| good	1.035 \| good	0.186 \| good
2026-06-30T17:00:00.000Z	45 \| good	8.023 \| good	34.895 \| good	48.702 \| good	0.261 \| good	0.819 \| good	0.174 \| good
2026-06-30T18:00:00.000Z	49 \| good	8.958 \| good	40.34 \| good	49.862 \| good	0.228 \| good	0.725 \| good	0.166 \| good
2026-06-30T19:00:00.000Z	52 \| moderate	9.716 \| good	42.918 \| good	48.214 \| good	0.219 \| good	0.729 \| good	0.163 \| good
2026-06-30T20:00:00.000Z	52 \| moderate	10.466 \| good	46.087 \| good	44.573 \| good	0.221 \| good	0.807 \| good	0.164 \| good
2026-06-30T21:00:00.000Z	52 \| moderate	10.283 \| good	45.822 \| good	42.954 \| good	0.237 \| good	1.131 \| good	0.171 \| good
2026-06-30T22:00:00.000Z	56 \| moderate	12.072 \| good	54.144 \| good	47.72 \| good	0.258 \| good	1.671 \| good	0.182 \| good
2026-06-30T23:00:00.000Z	60 \| moderate	14.408 \| fine	64.903 \| fine	57.492 \| fine	0.302 \| good	2.724 \| good	0.198 \| good
2026-07-01T00:00:00.000Z	60 \| moderate	13.649 \| fine	61.497 \| fine	54.812 \| good	0.315 \| good	2.854 \| good	0.197 \| good
2026-07-01T01:00:00.000Z	54 \| moderate	10.689 \| good	47.442 \| good	54.095 \| good	0.327 \| good	3.124 \| good	0.193 \| good
2026-07-01T02:00:00.000Z	49 \| good	8.544 \| good	37.341 \| good	49.784 \| good	0.328 \| good	3.726 \| good	0.187 \| good
2026-07-01T03:00:00.000Z	44 \| good	7.73 \| good	33.975 \| good	44.46 \| good	0.332 \| good	4.029 \| good	0.181 \| good
2026-07-01T04:00:00.000Z	44 \| good	8.384 \| good	37.074 \| good	37.433 \| good	0.325 \| good	4.259 \| good	0.177 \| good
2026-07-01T05:00:00.000Z	52 \| moderate	9.564 \| good	42.864 \| good	32.437 \| good	0.308 \| good	4.067 \| good	0.169 \| good
2026-07-01T06:00:00.000Z	54 \| moderate	10.94 \| good	48.256 \| good	31.671 \| good	0.317 \| good	3.789 \| good	0.161 \| good
2026-07-01T07:00:00.000Z	56 \| moderate	12.252 \| fine	55.04 \| fine	29.411 \| good	0.34 \| good	3.793 \| good	0.161 \| good
2026-07-01T08:00:00.000Z	58 \| moderate	13.007 \| fine	58.868 \| fine	30.865 \| good	0.37 \| good	3.94 \| good	0.163 \| good
2026-07-01T09:00:00.000Z	58 \| moderate	12.931 \| fine	58.506 \| fine	30.557 \| good	0.415 \| good	4.025 \| good	0.164 \| good
2026-07-01T10:00:00.000Z	60 \| moderate	13.624 \| fine	61.114 \| fine	32.126 \| good	0.449 \| good	4.013 \| good	0.166 \| good
2026-07-01T11:00:00.000Z	58 \| moderate	13.44 \| fine	61 \| fine	34.386 \| good	0.458 \| good	3.606 \| good	0.171 \| good
2026-07-01T12:00:00.000Z	60 \| moderate	13.575 \| fine	61 \| fine	38.877 \| good	0.456 \| good	2.917 \| good	0.178 \| good
2026-07-01T13:00:00.000Z	62 \| moderate	14.983 \| fine	66.992 \| fine	43.041 \| good	0.45 \| good	2.056 \| good	0.182 \| good
2026-07-01T14:00:00.000Z	64 \| moderate	16.457 \| fine	72.94 \| fine	45.322 \| good	0.447 \| good	1.391 \| good	0.184 \| good
2026-07-01T15:00:00.000Z	67 \| moderate	17.829 \| fine	78.992 \| fine	42.801 \| good	0.468 \| good	0.996 \| good	0.184 \| good
2026-07-01T16:00:00.000Z	69 \| moderate	18.591 \| fine	81.485 \| fine	44.667 \| good	0.49 \| good	0.771 \| good	0.178 \| good
2026-07-01T17:00:00.000Z	73 \| moderate	20.941 \| fine	92.711 \| fine	47.984 \| good	0.436 \| good	0.661 \| good	0.174 \| good
2026-07-01T18:00:00.000Z	73 \| moderate	21.373 \| fine	93.422 \| fine	50.152 \| good	0.385 \| good	0.641 \| good	0.171 \| good

Salem

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

0.11ppm

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 Salem, New Hampshire updated?

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

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

The worst air quality in Salem, New Hampshire in the last 24 hours was observed at 05:00:00 on 2026-06-29.

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

In the last 24 hrs, the best air quality in Salem, New Hampshire was observed at 04:00:00 on 2026-06-29.

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

The current air quality in Salem, New Hampshire is 52, categorized as Moderate based on real-time data.

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

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

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

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

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

The current PM_2.5 concentration at Salem, New Hampshire is 10.297 μg/m³.

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

The current PM₁₀ concentration at Salem, New Hampshire is 39.306 μg/m³.

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

The current carbon monoxide (CO) concentration at Salem, New Hampshire is 0.117 ppm.

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

The current sulfur dioxide (SO₂) concentration at Salem, New Hampshire is 0.883 ppb.

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

The current ozone (O₃) concentration at Salem, New Hampshire is 35.85 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Salem, New Hampshire is 1.889 ppb.

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