What is the sulfur dioxide (SO2) level in Merrimack, New Hampshire at the moment?

Currently, Merrimack, New Hampshire has a sulfur dioxide (SO2) concentration of 0.798 ppb.

What is the ozone (O3) level in Merrimack, New Hampshire at the moment?

The current ozone (O3) level in Merrimack, New Hampshire at the moment is 36.948 ppm.

What is the nitrogen dioxide (NO2) level in Merrimack, New Hampshire at the moment?

Nitrogen dioxide (NO2) level in Merrimack, New Hampshire at the moment is 1.536 ppb.

Live air quality index in Merrimack, New Hampshire today

Q: What is the PM2.5 level in Merrimack, New Hampshire at the moment?

PM2.5 levels in Merrimack, New Hampshire are currently 12.464 μg/m3.

Q: What is the PM10 level in Merrimack, New Hampshire at the moment?

The PM10 concentration in Merrimack, New Hampshire is 30.71 μg/m3 at the moment.

Stay updated with real-time air quality in Merrimack, 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

Merrimack, New Hampshire

Last updated: ... (Local time)

Major air pollutants in Merrimack, New Hampshire

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

12.46 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

30.71 μg/m³

155

255

425

605+

Ozone (O₃)

36.95 ppb

201

201+

Sulfur Dioxide (SO₂)

0.80 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.54 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.11 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Merrimack, New Hampshire

Get Live Pollen Counts

Merrimack, New Hampshire

Scroll To Air Quality Map

Track live Merrimack, New Hampshire air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-06-27T19:00:00.000Z	35 \| good	4.817 \| good	11.761 \| good	38.492 \| good	0.659 \| good	2.326 \| good	0.122 \| good
2026-06-27T20:00:00.000Z	35 \| good	4.948 \| good	16.183 \| good	38.257 \| good	0.623 \| good	2.518 \| good	0.122 \| good
2026-06-27T21:00:00.000Z	37 \| good	5.557 \| good	17.535 \| good	39.911 \| good	0.687 \| good	2.203 \| good	0.122 \| good
2026-06-27T22:00:00.000Z	34 \| good	6.056 \| good	25.709 \| good	36.917 \| good	0.72 \| good	2.677 \| good	0.122 \| good
2026-06-27T23:00:00.000Z	37 \| good	6.381 \| good	16.86 \| good	39.784 \| good	0.759 \| good	1.891 \| good	0.122 \| good
2026-06-28T00:00:00.000Z	35 \| good	6.169 \| good	30.757 \| good	38.467 \| good	0.733 \| good	2.552 \| good	0.122 \| good
2026-06-28T01:00:00.000Z	38 \| good	6.602 \| good	26.282 \| good	34.329 \| good	0.707 \| good	2.869 \| good	0.177 \| good
2026-06-28T02:00:00.000Z	33 \| good	5.681 \| good	19.709 \| good	33.045 \| good	0.63 \| good	3.652 \| good	0.177 \| good
2026-06-28T03:00:00.000Z	52 \| moderate	9.799 \| good	43.163 \| good	21.803 \| good	0.39 \| good	7.306 \| good	0.214 \| good
2026-06-28T04:00:00.000Z	38 \| good	6.65 \| good	17.716 \| good	21.922 \| good	0.764 \| good	11.676 \| good	0.197 \| good
2026-06-28T05:00:00.000Z	38 \| good	6.643 \| good	21.331 \| good	20.128 \| good	0.765 \| good	18.503 \| good	0.197 \| good
2026-06-28T06:00:00.000Z	38 \| good	6.547 \| good	16.278 \| good	19.272 \| good	0.612 \| good	10.464 \| good	0.189 \| good
2026-06-28T07:00:00.000Z	38 \| good	6.806 \| good	26.367 \| good	15.956 \| good	0.613 \| good	8.859 \| good	0.189 \| good
2026-06-28T08:00:00.000Z	38 \| good	6.574 \| good	20.603 \| good	17.079 \| good	0.561 \| good	6.358 \| good	0.177 \| good
2026-06-28T09:00:00.000Z	38 \| good	6.712 \| good	23.685 \| good	23.327 \| good	0.69 \| good	4.369 \| good	0.177 \| good
2026-06-28T10:00:00.000Z	38 \| good	6.829 \| good	22.693 \| good	12.691 \| good	0.611 \| good	5.004 \| good	0.177 \| good
2026-06-28T11:00:00.000Z	44 \| good	7.765 \| good	18.09 \| good	17.831 \| good	0.603 \| good	5.865 \| good	0.187 \| good
2026-06-28T12:00:00.000Z	38 \| good	6.641 \| good	29.743 \| good	17.739 \| good	0.815 \| good	2.892 \| good	0.175 \| good
2026-06-28T13:00:00.000Z	38 \| good	7.06 \| good	23.664 \| good	18.1 \| good	0.781 \| good	2.413 \| good	0.161 \| good
2026-06-28T14:00:00.000Z	44 \| good	7.992 \| good	25.778 \| good	25.544 \| good	0.749 \| good	1.234 \| good	0.163 \| good
2026-06-28T15:00:00.000Z	52 \| moderate	9.568 \| good	38.269 \| good	25.818 \| good	0.617 \| good	1.087 \| good	0.163 \| good
2026-06-28T16:00:00.000Z	38 \| good	6.771 \| good	24.344 \| good	25.808 \| good	0.671 \| good	1.501 \| good	0.174 \| good
2026-06-28T17:00:00.000Z	38 \| good	7 \| good	26.336 \| good	27.646 \| good	0.65 \| good	1.229 \| good	0.118 \| good
2026-06-28T18:00:00.000Z	33 \| good	5.983 \| good	24.094 \| good	30.114 \| good	0.683 \| good	0.987 \| good	0.118 \| good
2026-06-28T19:00:00.000Z	28 \| good	5.21 \| good	17.486 \| good	29.936 \| good	0.715 \| good	1.383 \| good	0.128 \| good
2026-06-28T20:00:00.000Z	33 \| good	4.88 \| good	19.083 \| good	35.816 \| good	0.698 \| good	1.766 \| good	0.118 \| good
2026-06-28T21:00:00.000Z	38 \| good	6.51 \| good	19.242 \| good	31.791 \| good	0.687 \| good	1.777 \| good	0.128 \| good
2026-06-28T22:00:00.000Z	33 \| good	6.088 \| good	19.897 \| good	33.461 \| good	0.672 \| good	2.37 \| good	0.128 \| good
2026-06-28T23:00:00.000Z	38 \| good	7.415 \| good	27.614 \| good	37.565 \| good	0.682 \| good	1.786 \| good	0.128 \| good
2026-06-29T00:00:00.000Z	38 \| good	7.286 \| good	33.55 \| good	41.301 \| good	0.674 \| good	3.926 \| good	0.184 \| good
2026-06-29T01:00:00.000Z	44 \| good	7.709 \| good	29.644 \| good	37.147 \| good	0.661 \| good	13.466 \| good	0.149 \| good
2026-06-29T02:00:00.000Z	38 \| good	6.566 \| good	24.952 \| good	33.29 \| good	0.686 \| good	7.815 \| good	0.194 \| good
2026-06-29T03:00:00.000Z	52 \| moderate	10.499 \| good	46.371 \| good	25.958 \| good	0.455 \| good	10.522 \| good	0.248 \| good
2026-06-29T04:00:00.000Z	38 \| good	7.185 \| good	17.921 \| good	29.073 \| good	0.694 \| good	7.902 \| good	0.184 \| good
2026-06-29T05:00:00.000Z	44 \| good	7.597 \| good	22.762 \| good	25.122 \| good	0.531 \| good	6.739 \| good	0.184 \| good
2026-06-29T06:00:00.000Z	44 \| good	8.49 \| good	21.416 \| good	21.112 \| good	0.626 \| good	5.289 \| good	0.184 \| good
2026-06-29T07:00:00.000Z	44 \| good	7.729 \| good	16.552 \| good	19.349 \| good	0.626 \| good	6.234 \| good	0.184 \| good
2026-06-29T08:00:00.000Z	38 \| good	7.198 \| good	15.262 \| good	19.1 \| good	0.36 \| good	6.247 \| good	0.174 \| good
2026-06-29T09:00:00.000Z	44 \| good	8.179 \| good	20.754 \| good	18.964 \| good	0.653 \| good	3.689 \| good	0.184 \| good
2026-06-29T10:00:00.000Z	49 \| good	8.61 \| good	22.412 \| good	19.082 \| good	0.657 \| good	6.837 \| good	0.169 \| good
2026-06-29T11:00:00.000Z	49 \| good	9.117 \| good	14.236 \| good	16.777 \| good	0.647 \| good	6.389 \| good	0.169 \| good
2026-06-29T12:00:00.000Z	44 \| good	8.262 \| good	15.519 \| good	14.019 \| good	0.751 \| good	3.625 \| good	0.223 \| good
2026-06-29T13:00:00.000Z	44 \| good	8.285 \| good	22.299 \| good	28.306 \| good	0.746 \| good	3.46 \| good	0.215 \| good
2026-06-29T14:00:00.000Z	54 \| moderate	11.096 \| good	35.168 \| good	20.993 \| good	0.622 \| good	3.62 \| good	0.184 \| good
2026-06-29T15:00:00.000Z	56 \| moderate	11.951 \| good	36.523 \| good	31.244 \| good	0.64 \| good	2.286 \| good	0.184 \| good
2026-06-29T16:00:00.000Z	56 \| moderate	12.206 \| fine	40.887 \| good	32.619 \| good	0.72 \| good	3.016 \| good	0.163 \| good
2026-06-29T17:00:00.000Z	56 \| moderate	11.787 \| good	35.916 \| good	31.68 \| good	0.725 \| good	2.86 \| good	0.11 \| good
2026-06-29T18:00:00.000Z	56 \| moderate	12.272 \| fine	32.499 \| good	34.526 \| good	0.755 \| good	1.666 \| good	0.11 \| good
2026-06-29T18:00:00.000Z	56 \| moderate	12.464 \| fine	30.71 \| good	36.948 \| good	0.798 \| good	1.536 \| good	0.109 \| good
2026-06-29T19:00:00.000Z	33 \| good	4.656 \| good	20.309 \| good	35.841 \| good	0.303 \| good	0.381 \| good	0.124 \| good
2026-06-29T20:00:00.000Z	31 \| good	4.675 \| good	20.073 \| good	34.218 \| good	0.287 \| good	0.433 \| good	0.125 \| good
2026-06-29T21:00:00.000Z	33 \| good	5.733 \| good	24.888 \| good	31.828 \| good	0.274 \| good	0.544 \| good	0.127 \| good
2026-06-29T22:00:00.000Z	38 \| good	6.73 \| good	29.837 \| good	35.505 \| good	0.266 \| good	0.904 \| good	0.133 \| good
2026-06-29T23:00:00.000Z	39 \| good	7.337 \| good	32.385 \| good	42.101 \| good	0.272 \| good	1.69 \| good	0.149 \| good
2026-06-30T00:00:00.000Z	44 \| good	7.776 \| good	34.126 \| good	40.124 \| good	0.298 \| good	3 \| good	0.165 \| good
2026-06-30T01:00:00.000Z	44 \| good	8.068 \| good	35.444 \| good	35.568 \| good	0.337 \| good	4.533 \| good	0.178 \| good
2026-06-30T02:00:00.000Z	49 \| good	8.851 \| good	38.89 \| good	29.771 \| good	0.369 \| good	5.561 \| good	0.186 \| good
2026-06-30T03:00:00.000Z	49 \| good	8.808 \| good	38.776 \| good	25.372 \| good	0.383 \| good	5.92 \| good	0.189 \| good
2026-06-30T04:00:00.000Z	49 \| good	9.198 \| good	41.244 \| good	23.57 \| good	0.371 \| good	5.753 \| good	0.194 \| good
2026-06-30T05:00:00.000Z	49 \| good	9.052 \| good	40.819 \| good	20.914 \| good	0.344 \| good	5.283 \| good	0.201 \| good
2026-06-30T06:00:00.000Z	49 \| good	9.152 \| good	40.966 \| good	22.194 \| good	0.314 \| good	4.808 \| good	0.208 \| good
2026-06-30T07:00:00.000Z	52 \| moderate	10.312 \| good	45.628 \| good	24.883 \| good	0.288 \| good	4.321 \| good	0.211 \| good
2026-06-30T08:00:00.000Z	56 \| moderate	11.54 \| good	50.949 \| good	26.568 \| good	0.271 \| good	4.16 \| good	0.214 \| good
2026-06-30T09:00:00.000Z	58 \| moderate	12.518 \| fine	56.122 \| fine	27.604 \| good	0.272 \| good	4.079 \| good	0.216 \| good
2026-06-30T10:00:00.000Z	56 \| moderate	12.38 \| fine	55.865 \| fine	22.411 \| good	0.283 \| good	4.174 \| good	0.219 \| good
2026-06-30T11:00:00.000Z	56 \| moderate	12.28 \| fine	55.043 \| fine	28.211 \| good	0.277 \| good	3.98 \| good	0.225 \| good
2026-06-30T12:00:00.000Z	52 \| moderate	10.344 \| good	45.877 \| good	31.603 \| good	0.336 \| good	3.044 \| good	0.224 \| good
2026-06-30T13:00:00.000Z	49 \| good	8.837 \| good	38.824 \| good	34.769 \| good	0.41 \| good	1.924 \| good	0.213 \| good
2026-06-30T14:00:00.000Z	38 \| good	7.467 \| good	32.989 \| good	37.77 \| good	0.413 \| good	1.292 \| good	0.202 \| good
2026-06-30T15:00:00.000Z	38 \| good	6.841 \| good	30.354 \| good	40.735 \| good	0.343 \| good	0.893 \| good	0.187 \| good
2026-06-30T16:00:00.000Z	44 \| good	8.049 \| good	35.418 \| good	44.638 \| good	0.267 \| good	0.62 \| good	0.171 \| good
2026-06-30T17:00:00.000Z	49 \| good	8.881 \| good	39.184 \| good	45.973 \| good	0.242 \| good	0.518 \| good	0.16 \| good
2026-06-30T18:00:00.000Z	52 \| moderate	10.191 \| good	45.178 \| good	46.092 \| good	0.217 \| good	0.499 \| good	0.156 \| good
2026-06-30T19:00:00.000Z	52 \| moderate	10.417 \| good	46.076 \| good	43.889 \| good	0.217 \| good	0.52 \| good	0.156 \| good
2026-06-30T20:00:00.000Z	56 \| moderate	11.814 \| good	52.465 \| good	42.403 \| good	0.226 \| good	0.606 \| good	0.16 \| good
2026-06-30T21:00:00.000Z	54 \| moderate	10.752 \| good	47.606 \| good	39.644 \| good	0.244 \| good	0.831 \| good	0.168 \| good
2026-06-30T22:00:00.000Z	52 \| moderate	10.1 \| good	45.079 \| good	40.36 \| good	0.245 \| good	1.439 \| good	0.18 \| good
2026-06-30T23:00:00.000Z	60 \| moderate	13.7 \| fine	61.352 \| fine	56.457 \| fine	0.272 \| good	2.94 \| good	0.2 \| good
2026-07-01T00:00:00.000Z	61 \| moderate	14.455 \| fine	64.313 \| fine	57.531 \| fine	0.259 \| good	3.026 \| good	0.199 \| good
2026-07-01T01:00:00.000Z	54 \| moderate	11.013 \| good	48.766 \| good	55.833 \| fine	0.295 \| good	3.49 \| good	0.201 \| good
2026-07-01T02:00:00.000Z	49 \| good	9.392 \| good	41.841 \| good	52.03 \| good	0.331 \| good	4.42 \| good	0.202 \| good
2026-07-01T03:00:00.000Z	49 \| good	8.659 \| good	37.984 \| good	46.137 \| good	0.339 \| good	4.702 \| good	0.199 \| good
2026-07-01T04:00:00.000Z	49 \| good	8.743 \| good	38.34 \| good	39.608 \| good	0.322 \| good	4.394 \| good	0.192 \| good
2026-07-01T05:00:00.000Z	52 \| moderate	10.08 \| good	44.532 \| good	34.692 \| good	0.31 \| good	3.663 \| good	0.182 \| good
2026-07-01T06:00:00.000Z	54 \| moderate	11.125 \| good	49.171 \| good	32.735 \| good	0.327 \| good	3.104 \| good	0.172 \| good
2026-07-01T07:00:00.000Z	56 \| moderate	12.335 \| fine	55.48 \| fine	31.539 \| good	0.346 \| good	3.111 \| good	0.17 \| good
2026-07-01T08:00:00.000Z	58 \| moderate	12.889 \| fine	57.963 \| fine	34.209 \| good	0.368 \| good	3.389 \| good	0.171 \| good
2026-07-01T09:00:00.000Z	58 \| moderate	12.602 \| fine	57 \| fine	31.153 \| good	0.407 \| good	3.569 \| good	0.171 \| good
2026-07-01T10:00:00.000Z	58 \| moderate	13.094 \| fine	58.963 \| fine	30.917 \| good	0.431 \| good	3.566 \| good	0.171 \| good
2026-07-01T11:00:00.000Z	58 \| moderate	13.09 \| fine	59 \| fine	32.331 \| good	0.422 \| good	3.009 \| good	0.173 \| good
2026-07-01T12:00:00.000Z	60 \| moderate	13.772 \| fine	61.608 \| fine	35.305 \| good	0.403 \| good	2.339 \| good	0.18 \| good
2026-07-01T13:00:00.000Z	62 \| moderate	15.419 \| fine	68.922 \| fine	38.739 \| good	0.406 \| good	1.56 \| good	0.182 \| good
2026-07-01T14:00:00.000Z	66 \| moderate	16.606 \| fine	73.181 \| fine	39.688 \| good	0.421 \| good	1.04 \| good	0.182 \| good
2026-07-01T15:00:00.000Z	67 \| moderate	18.478 \| fine	81.423 \| fine	39.771 \| good	0.458 \| good	0.741 \| good	0.181 \| good
2026-07-01T16:00:00.000Z	73 \| moderate	21.056 \| fine	92.749 \| fine	42.977 \| good	0.477 \| good	0.592 \| good	0.176 \| good
2026-07-01T17:00:00.000Z	75 \| moderate	22.361 \| fine	97.504 \| fine	48.383 \| good	0.434 \| good	0.507 \| good	0.172 \| good
2026-07-01T18:00:00.000Z	73 \| moderate	20.616 \| fine	90.634 \| fine	46.291 \| good	0.384 \| good	0.483 \| good	0.169 \| good

Merrimack

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Merrimack, New Hampshire air quality map: Stay updated on AQI near you

0.11ppm

How accurate is New Hampshire, USA air quality data?

Air quality and pollutant data for New Hampshire, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

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Frequently asked questions

How often is air quality information updated for Merrimack, New Hampshire?

The air quality information for Merrimack, New Hampshire is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Merrimack, New Hampshire at its worst?

In the past 24 hours, the air quality in Merrimack, New Hampshire was at its worst at 05:00:00 on 2026-06-29.

When did Merrimack, New Hampshire experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Merrimack, New Hampshire was observed at 07:00:00 on 2026-06-28.

What is the AQI in Merrimack, New Hampshire right now?

As of now, the AQI in Merrimack, New Hampshire is 56, indicating Moderate conditions.

What is the most common type of pollution in Merrimack, New Hampshire?

Merrimack, New Hampshire air has the highest levels of PM2.5.

What should I do in case of poor air quality in Merrimack, New Hampshire?

Poor air quality in Merrimack, New Hampshire means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in Merrimack, New Hampshire at the moment?

PM_2.5 levels in Merrimack, New Hampshire are currently 12.464 μg/m³.

What is the PM₁₀ level in Merrimack, New Hampshire at the moment?

The PM₁₀ concentration in Merrimack, New Hampshire is 30.71 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Merrimack, New Hampshire at the moment?

The current carbon monoxide (CO) concentration in Merrimack, New Hampshire is 0.109 ppm.

What is the sulfur dioxide (SO₂) level in Merrimack, New Hampshire at the moment?

Currently, Merrimack, New Hampshire has a sulfur dioxide (SO₂) concentration of 0.798 ppb.

What is the ozone (O₃) level in Merrimack, New Hampshire at the moment?

The current ozone (O₃) level in Merrimack, New Hampshire at the moment is 36.948 ppm.

What is the nitrogen dioxide (NO₂) level in Merrimack, New Hampshire at the moment?

Nitrogen dioxide (NO₂) level in Merrimack, New Hampshire at the moment is 1.536 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-06-27T19:00:00.000Z	35 \| good	4.817 \| good	11.761 \| good	38.492 \| good	0.659 \| good	2.326 \| good	0.122 \| good
2026-06-27T20:00:00.000Z	35 \| good	4.948 \| good	16.183 \| good	38.257 \| good	0.623 \| good	2.518 \| good	0.122 \| good
2026-06-27T21:00:00.000Z	37 \| good	5.557 \| good	17.535 \| good	39.911 \| good	0.687 \| good	2.203 \| good	0.122 \| good
2026-06-27T22:00:00.000Z	34 \| good	6.056 \| good	25.709 \| good	36.917 \| good	0.72 \| good	2.677 \| good	0.122 \| good
2026-06-27T23:00:00.000Z	37 \| good	6.381 \| good	16.86 \| good	39.784 \| good	0.759 \| good	1.891 \| good	0.122 \| good
2026-06-28T00:00:00.000Z	35 \| good	6.169 \| good	30.757 \| good	38.467 \| good	0.733 \| good	2.552 \| good	0.122 \| good
2026-06-28T01:00:00.000Z	38 \| good	6.602 \| good	26.282 \| good	34.329 \| good	0.707 \| good	2.869 \| good	0.177 \| good
2026-06-28T02:00:00.000Z	33 \| good	5.681 \| good	19.709 \| good	33.045 \| good	0.63 \| good	3.652 \| good	0.177 \| good
2026-06-28T03:00:00.000Z	52 \| moderate	9.799 \| good	43.163 \| good	21.803 \| good	0.39 \| good	7.306 \| good	0.214 \| good
2026-06-28T04:00:00.000Z	38 \| good	6.65 \| good	17.716 \| good	21.922 \| good	0.764 \| good	11.676 \| good	0.197 \| good
2026-06-28T05:00:00.000Z	38 \| good	6.643 \| good	21.331 \| good	20.128 \| good	0.765 \| good	18.503 \| good	0.197 \| good
2026-06-28T06:00:00.000Z	38 \| good	6.547 \| good	16.278 \| good	19.272 \| good	0.612 \| good	10.464 \| good	0.189 \| good
2026-06-28T07:00:00.000Z	38 \| good	6.806 \| good	26.367 \| good	15.956 \| good	0.613 \| good	8.859 \| good	0.189 \| good
2026-06-28T08:00:00.000Z	38 \| good	6.574 \| good	20.603 \| good	17.079 \| good	0.561 \| good	6.358 \| good	0.177 \| good
2026-06-28T09:00:00.000Z	38 \| good	6.712 \| good	23.685 \| good	23.327 \| good	0.69 \| good	4.369 \| good	0.177 \| good
2026-06-28T10:00:00.000Z	38 \| good	6.829 \| good	22.693 \| good	12.691 \| good	0.611 \| good	5.004 \| good	0.177 \| good
2026-06-28T11:00:00.000Z	44 \| good	7.765 \| good	18.09 \| good	17.831 \| good	0.603 \| good	5.865 \| good	0.187 \| good
2026-06-28T12:00:00.000Z	38 \| good	6.641 \| good	29.743 \| good	17.739 \| good	0.815 \| good	2.892 \| good	0.175 \| good
2026-06-28T13:00:00.000Z	38 \| good	7.06 \| good	23.664 \| good	18.1 \| good	0.781 \| good	2.413 \| good	0.161 \| good
2026-06-28T14:00:00.000Z	44 \| good	7.992 \| good	25.778 \| good	25.544 \| good	0.749 \| good	1.234 \| good	0.163 \| good
2026-06-28T15:00:00.000Z	52 \| moderate	9.568 \| good	38.269 \| good	25.818 \| good	0.617 \| good	1.087 \| good	0.163 \| good
2026-06-28T16:00:00.000Z	38 \| good	6.771 \| good	24.344 \| good	25.808 \| good	0.671 \| good	1.501 \| good	0.174 \| good
2026-06-28T17:00:00.000Z	38 \| good	7 \| good	26.336 \| good	27.646 \| good	0.65 \| good	1.229 \| good	0.118 \| good
2026-06-28T18:00:00.000Z	33 \| good	5.983 \| good	24.094 \| good	30.114 \| good	0.683 \| good	0.987 \| good	0.118 \| good
2026-06-28T19:00:00.000Z	28 \| good	5.21 \| good	17.486 \| good	29.936 \| good	0.715 \| good	1.383 \| good	0.128 \| good
2026-06-28T20:00:00.000Z	33 \| good	4.88 \| good	19.083 \| good	35.816 \| good	0.698 \| good	1.766 \| good	0.118 \| good
2026-06-28T21:00:00.000Z	38 \| good	6.51 \| good	19.242 \| good	31.791 \| good	0.687 \| good	1.777 \| good	0.128 \| good
2026-06-28T22:00:00.000Z	33 \| good	6.088 \| good	19.897 \| good	33.461 \| good	0.672 \| good	2.37 \| good	0.128 \| good
2026-06-28T23:00:00.000Z	38 \| good	7.415 \| good	27.614 \| good	37.565 \| good	0.682 \| good	1.786 \| good	0.128 \| good
2026-06-29T00:00:00.000Z	38 \| good	7.286 \| good	33.55 \| good	41.301 \| good	0.674 \| good	3.926 \| good	0.184 \| good
2026-06-29T01:00:00.000Z	44 \| good	7.709 \| good	29.644 \| good	37.147 \| good	0.661 \| good	13.466 \| good	0.149 \| good
2026-06-29T02:00:00.000Z	38 \| good	6.566 \| good	24.952 \| good	33.29 \| good	0.686 \| good	7.815 \| good	0.194 \| good
2026-06-29T03:00:00.000Z	52 \| moderate	10.499 \| good	46.371 \| good	25.958 \| good	0.455 \| good	10.522 \| good	0.248 \| good
2026-06-29T04:00:00.000Z	38 \| good	7.185 \| good	17.921 \| good	29.073 \| good	0.694 \| good	7.902 \| good	0.184 \| good
2026-06-29T05:00:00.000Z	44 \| good	7.597 \| good	22.762 \| good	25.122 \| good	0.531 \| good	6.739 \| good	0.184 \| good
2026-06-29T06:00:00.000Z	44 \| good	8.49 \| good	21.416 \| good	21.112 \| good	0.626 \| good	5.289 \| good	0.184 \| good
2026-06-29T07:00:00.000Z	44 \| good	7.729 \| good	16.552 \| good	19.349 \| good	0.626 \| good	6.234 \| good	0.184 \| good
2026-06-29T08:00:00.000Z	38 \| good	7.198 \| good	15.262 \| good	19.1 \| good	0.36 \| good	6.247 \| good	0.174 \| good
2026-06-29T09:00:00.000Z	44 \| good	8.179 \| good	20.754 \| good	18.964 \| good	0.653 \| good	3.689 \| good	0.184 \| good
2026-06-29T10:00:00.000Z	49 \| good	8.61 \| good	22.412 \| good	19.082 \| good	0.657 \| good	6.837 \| good	0.169 \| good
2026-06-29T11:00:00.000Z	49 \| good	9.117 \| good	14.236 \| good	16.777 \| good	0.647 \| good	6.389 \| good	0.169 \| good
2026-06-29T12:00:00.000Z	44 \| good	8.262 \| good	15.519 \| good	14.019 \| good	0.751 \| good	3.625 \| good	0.223 \| good
2026-06-29T13:00:00.000Z	44 \| good	8.285 \| good	22.299 \| good	28.306 \| good	0.746 \| good	3.46 \| good	0.215 \| good
2026-06-29T14:00:00.000Z	54 \| moderate	11.096 \| good	35.168 \| good	20.993 \| good	0.622 \| good	3.62 \| good	0.184 \| good
2026-06-29T15:00:00.000Z	56 \| moderate	11.951 \| good	36.523 \| good	31.244 \| good	0.64 \| good	2.286 \| good	0.184 \| good
2026-06-29T16:00:00.000Z	56 \| moderate	12.206 \| fine	40.887 \| good	32.619 \| good	0.72 \| good	3.016 \| good	0.163 \| good
2026-06-29T17:00:00.000Z	56 \| moderate	11.787 \| good	35.916 \| good	31.68 \| good	0.725 \| good	2.86 \| good	0.11 \| good
2026-06-29T18:00:00.000Z	56 \| moderate	12.272 \| fine	32.499 \| good	34.526 \| good	0.755 \| good	1.666 \| good	0.11 \| good
2026-06-29T18:00:00.000Z	56 \| moderate	12.464 \| fine	30.71 \| good	36.948 \| good	0.798 \| good	1.536 \| good	0.109 \| good
2026-06-29T19:00:00.000Z	33 \| good	4.656 \| good	20.309 \| good	35.841 \| good	0.303 \| good	0.381 \| good	0.124 \| good
2026-06-29T20:00:00.000Z	31 \| good	4.675 \| good	20.073 \| good	34.218 \| good	0.287 \| good	0.433 \| good	0.125 \| good
2026-06-29T21:00:00.000Z	33 \| good	5.733 \| good	24.888 \| good	31.828 \| good	0.274 \| good	0.544 \| good	0.127 \| good
2026-06-29T22:00:00.000Z	38 \| good	6.73 \| good	29.837 \| good	35.505 \| good	0.266 \| good	0.904 \| good	0.133 \| good
2026-06-29T23:00:00.000Z	39 \| good	7.337 \| good	32.385 \| good	42.101 \| good	0.272 \| good	1.69 \| good	0.149 \| good
2026-06-30T00:00:00.000Z	44 \| good	7.776 \| good	34.126 \| good	40.124 \| good	0.298 \| good	3 \| good	0.165 \| good
2026-06-30T01:00:00.000Z	44 \| good	8.068 \| good	35.444 \| good	35.568 \| good	0.337 \| good	4.533 \| good	0.178 \| good
2026-06-30T02:00:00.000Z	49 \| good	8.851 \| good	38.89 \| good	29.771 \| good	0.369 \| good	5.561 \| good	0.186 \| good
2026-06-30T03:00:00.000Z	49 \| good	8.808 \| good	38.776 \| good	25.372 \| good	0.383 \| good	5.92 \| good	0.189 \| good
2026-06-30T04:00:00.000Z	49 \| good	9.198 \| good	41.244 \| good	23.57 \| good	0.371 \| good	5.753 \| good	0.194 \| good
2026-06-30T05:00:00.000Z	49 \| good	9.052 \| good	40.819 \| good	20.914 \| good	0.344 \| good	5.283 \| good	0.201 \| good
2026-06-30T06:00:00.000Z	49 \| good	9.152 \| good	40.966 \| good	22.194 \| good	0.314 \| good	4.808 \| good	0.208 \| good
2026-06-30T07:00:00.000Z	52 \| moderate	10.312 \| good	45.628 \| good	24.883 \| good	0.288 \| good	4.321 \| good	0.211 \| good
2026-06-30T08:00:00.000Z	56 \| moderate	11.54 \| good	50.949 \| good	26.568 \| good	0.271 \| good	4.16 \| good	0.214 \| good
2026-06-30T09:00:00.000Z	58 \| moderate	12.518 \| fine	56.122 \| fine	27.604 \| good	0.272 \| good	4.079 \| good	0.216 \| good
2026-06-30T10:00:00.000Z	56 \| moderate	12.38 \| fine	55.865 \| fine	22.411 \| good	0.283 \| good	4.174 \| good	0.219 \| good
2026-06-30T11:00:00.000Z	56 \| moderate	12.28 \| fine	55.043 \| fine	28.211 \| good	0.277 \| good	3.98 \| good	0.225 \| good
2026-06-30T12:00:00.000Z	52 \| moderate	10.344 \| good	45.877 \| good	31.603 \| good	0.336 \| good	3.044 \| good	0.224 \| good
2026-06-30T13:00:00.000Z	49 \| good	8.837 \| good	38.824 \| good	34.769 \| good	0.41 \| good	1.924 \| good	0.213 \| good
2026-06-30T14:00:00.000Z	38 \| good	7.467 \| good	32.989 \| good	37.77 \| good	0.413 \| good	1.292 \| good	0.202 \| good
2026-06-30T15:00:00.000Z	38 \| good	6.841 \| good	30.354 \| good	40.735 \| good	0.343 \| good	0.893 \| good	0.187 \| good
2026-06-30T16:00:00.000Z	44 \| good	8.049 \| good	35.418 \| good	44.638 \| good	0.267 \| good	0.62 \| good	0.171 \| good
2026-06-30T17:00:00.000Z	49 \| good	8.881 \| good	39.184 \| good	45.973 \| good	0.242 \| good	0.518 \| good	0.16 \| good
2026-06-30T18:00:00.000Z	52 \| moderate	10.191 \| good	45.178 \| good	46.092 \| good	0.217 \| good	0.499 \| good	0.156 \| good
2026-06-30T19:00:00.000Z	52 \| moderate	10.417 \| good	46.076 \| good	43.889 \| good	0.217 \| good	0.52 \| good	0.156 \| good
2026-06-30T20:00:00.000Z	56 \| moderate	11.814 \| good	52.465 \| good	42.403 \| good	0.226 \| good	0.606 \| good	0.16 \| good
2026-06-30T21:00:00.000Z	54 \| moderate	10.752 \| good	47.606 \| good	39.644 \| good	0.244 \| good	0.831 \| good	0.168 \| good
2026-06-30T22:00:00.000Z	52 \| moderate	10.1 \| good	45.079 \| good	40.36 \| good	0.245 \| good	1.439 \| good	0.18 \| good
2026-06-30T23:00:00.000Z	60 \| moderate	13.7 \| fine	61.352 \| fine	56.457 \| fine	0.272 \| good	2.94 \| good	0.2 \| good
2026-07-01T00:00:00.000Z	61 \| moderate	14.455 \| fine	64.313 \| fine	57.531 \| fine	0.259 \| good	3.026 \| good	0.199 \| good
2026-07-01T01:00:00.000Z	54 \| moderate	11.013 \| good	48.766 \| good	55.833 \| fine	0.295 \| good	3.49 \| good	0.201 \| good
2026-07-01T02:00:00.000Z	49 \| good	9.392 \| good	41.841 \| good	52.03 \| good	0.331 \| good	4.42 \| good	0.202 \| good
2026-07-01T03:00:00.000Z	49 \| good	8.659 \| good	37.984 \| good	46.137 \| good	0.339 \| good	4.702 \| good	0.199 \| good
2026-07-01T04:00:00.000Z	49 \| good	8.743 \| good	38.34 \| good	39.608 \| good	0.322 \| good	4.394 \| good	0.192 \| good
2026-07-01T05:00:00.000Z	52 \| moderate	10.08 \| good	44.532 \| good	34.692 \| good	0.31 \| good	3.663 \| good	0.182 \| good
2026-07-01T06:00:00.000Z	54 \| moderate	11.125 \| good	49.171 \| good	32.735 \| good	0.327 \| good	3.104 \| good	0.172 \| good
2026-07-01T07:00:00.000Z	56 \| moderate	12.335 \| fine	55.48 \| fine	31.539 \| good	0.346 \| good	3.111 \| good	0.17 \| good
2026-07-01T08:00:00.000Z	58 \| moderate	12.889 \| fine	57.963 \| fine	34.209 \| good	0.368 \| good	3.389 \| good	0.171 \| good
2026-07-01T09:00:00.000Z	58 \| moderate	12.602 \| fine	57 \| fine	31.153 \| good	0.407 \| good	3.569 \| good	0.171 \| good
2026-07-01T10:00:00.000Z	58 \| moderate	13.094 \| fine	58.963 \| fine	30.917 \| good	0.431 \| good	3.566 \| good	0.171 \| good
2026-07-01T11:00:00.000Z	58 \| moderate	13.09 \| fine	59 \| fine	32.331 \| good	0.422 \| good	3.009 \| good	0.173 \| good
2026-07-01T12:00:00.000Z	60 \| moderate	13.772 \| fine	61.608 \| fine	35.305 \| good	0.403 \| good	2.339 \| good	0.18 \| good
2026-07-01T13:00:00.000Z	62 \| moderate	15.419 \| fine	68.922 \| fine	38.739 \| good	0.406 \| good	1.56 \| good	0.182 \| good
2026-07-01T14:00:00.000Z	66 \| moderate	16.606 \| fine	73.181 \| fine	39.688 \| good	0.421 \| good	1.04 \| good	0.182 \| good
2026-07-01T15:00:00.000Z	67 \| moderate	18.478 \| fine	81.423 \| fine	39.771 \| good	0.458 \| good	0.741 \| good	0.181 \| good
2026-07-01T16:00:00.000Z	73 \| moderate	21.056 \| fine	92.749 \| fine	42.977 \| good	0.477 \| good	0.592 \| good	0.176 \| good
2026-07-01T17:00:00.000Z	75 \| moderate	22.361 \| fine	97.504 \| fine	48.383 \| good	0.434 \| good	0.507 \| good	0.172 \| good
2026-07-01T18:00:00.000Z	73 \| moderate	20.616 \| fine	90.634 \| fine	46.291 \| good	0.384 \| good	0.483 \| good	0.169 \| good

Live air quality index in Merrimack, New Hampshire today

Major air pollutants in Merrimack, 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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Air quality in nearby cities

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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What is the ozone (O₃) level in Merrimack, New Hampshire at the moment?

What is the nitrogen dioxide (NO₂) level in Merrimack, New Hampshire at the moment?