What is the current concentration of PM10 in Norwalk, Ohio?

The current PM10 concentration at Norwalk, Ohio is 23.918 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Norwalk, Ohio?

The current sulfur dioxide (SO2) concentration at Norwalk, Ohio is 0.618 ppb.

What is the current concentration of ozone (O3) in Norwalk, Ohio?

The current ozone (O3) concentration at Norwalk, Ohio is 46.656 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Norwalk, Ohio?

The current nitrogen dioxide (NO2) concentration at Norwalk, Ohio is 5.427 ppb.

Norwalk, Ohio live air quality index now

Q: What is the current concentration of PM2.5 in Norwalk, Ohio?

The current PM2.5 concentration at Norwalk, Ohio is 6.706 μg/m3.

Stay updated with real-time air quality in Norwalk, Ohio 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

Norwalk, Ohio

Last updated: ... (Local time)

Major air pollutants in Norwalk, Ohio

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

6.71 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

23.92 μg/m³

155

255

425

605+

Ozone (O₃)

46.66 ppb

201

201+

Sulfur Dioxide (SO₂)

0.62 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.43 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.27 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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Norwalk, Ohio

Scroll To Air Quality Map

Track live Norwalk, Ohio air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-04-22T03:00:00.000Z	41 \| good	6.508 \| good	28.296 \| good	43.792 \| good	0.728 \| good	8.425 \| good	0.201 \| good
2026-04-22T04:00:00.000Z	44 \| good	6.334 \| good	27.703 \| good	46.58 \| good	0.698 \| good	6.595 \| good	0.169 \| good
2026-04-22T05:00:00.000Z	44 \| good	8.369 \| good	31.5 \| good	45.391 \| good	0.86 \| good	5.002 \| good	0.169 \| good
2026-04-22T06:00:00.000Z	44 \| good	8.12 \| good	38.25 \| good	43.85 \| good	1.083 \| good	4.373 \| good	0.165 \| good
2026-04-22T07:00:00.000Z	41 \| good	6.274 \| good	26.062 \| good	43.838 \| good	0.758 \| good	5.094 \| good	0.156 \| good
2026-04-22T08:00:00.000Z	44 \| good	7.767 \| good	25.2 \| good	35.366 \| good	0.605 \| good	9.634 \| good	0.208 \| good
2026-04-22T09:00:00.000Z	33 \| good	5.635 \| good	23.499 \| good	31.635 \| good	0.559 \| good	9.724 \| good	0.246 \| good
2026-04-22T10:00:00.000Z	33 \| good	6.358 \| good	24.129 \| good	32.843 \| good	0.477 \| good	10.36 \| good	0.224 \| good
2026-04-22T11:00:00.000Z	33 \| good	6.26 \| good	23.478 \| good	26.464 \| good	0.595 \| good	8.876 \| good	0.259 \| good
2026-04-22T12:00:00.000Z	44 \| good	8.387 \| good	28.756 \| good	32.264 \| good	0.694 \| good	8.73 \| good	0.298 \| good
2026-04-22T13:00:00.000Z	38 \| good	6.671 \| good	25.025 \| good	27.701 \| good	0.723 \| good	12.434 \| good	0.289 \| good
2026-04-22T14:00:00.000Z	38 \| good	7.133 \| good	27.714 \| good	34.633 \| good	0.667 \| good	6.134 \| good	0.227 \| good
2026-04-22T15:00:00.000Z	44 \| good	7.791 \| good	27.696 \| good	36.651 \| good	0.954 \| good	4.599 \| good	0.23 \| good
2026-04-22T16:00:00.000Z	49 \| good	8.611 \| good	35.07 \| good	44.718 \| good	1.028 \| good	4.158 \| good	0.208 \| good
2026-04-22T17:00:00.000Z	44 \| good	8.139 \| good	32.491 \| good	47.636 \| good	0.696 \| good	3.46 \| good	0.213 \| good
2026-04-22T18:00:00.000Z	44 \| good	7.856 \| good	28.744 \| good	47.829 \| good	0.901 \| good	4.977 \| good	0.216 \| good
2026-04-22T19:00:00.000Z	45 \| good	7.908 \| good	30.369 \| good	49.202 \| good	0.744 \| good	5.075 \| good	0.215 \| good
2026-04-22T20:00:00.000Z	47 \| good	8.271 \| good	34.138 \| good	51.123 \| good	0.718 \| good	5.302 \| good	0.226 \| good
2026-04-22T21:00:00.000Z	54 \| moderate	8.84 \| good	37.796 \| good	55.736 \| fine	0.665 \| good	4.576 \| good	0.226 \| good
2026-04-22T22:00:00.000Z	58 \| moderate	8.522 \| good	34.27 \| good	57.118 \| fine	0.941 \| good	4.161 \| good	0.212 \| good
2026-04-22T23:00:00.000Z	61 \| moderate	9.046 \| good	35.898 \| good	58.328 \| fine	0.618 \| good	5.125 \| good	0.227 \| good
2026-04-23T00:00:00.000Z	52 \| moderate	9.657 \| good	43.854 \| good	55.375 \| fine	0.71 \| good	7.297 \| good	0.269 \| good
2026-04-23T01:00:00.000Z	52 \| moderate	9.791 \| good	35.932 \| good	49.259 \| good	0.537 \| good	4.92 \| good	0.208 \| good
2026-04-23T02:00:00.000Z	43 \| good	7.01 \| good	28.542 \| good	46.382 \| good	0.56 \| good	4.539 \| good	0.194 \| good
2026-04-23T03:00:00.000Z	42 \| good	6.865 \| good	28.031 \| good	44.822 \| good	1.035 \| good	7.446 \| good	0.215 \| good
2026-04-23T04:00:00.000Z	49 \| good	8.517 \| good	35.752 \| good	40.948 \| good	1.887 \| good	8.505 \| good	0.21 \| good
2026-04-23T05:00:00.000Z	49 \| good	9.36 \| good	33.869 \| good	38.536 \| good	1.188 \| good	9.535 \| good	0.188 \| good
2026-04-23T06:00:00.000Z	44 \| good	7.699 \| good	35.967 \| good	38.792 \| good	1.233 \| good	10.091 \| good	0.207 \| good
2026-04-23T07:00:00.000Z	44 \| good	8.091 \| good	38.308 \| good	38.243 \| good	1.051 \| good	11.608 \| good	0.193 \| good
2026-04-23T08:00:00.000Z	44 \| good	8.335 \| good	35.806 \| good	31.14 \| good	0.612 \| good	12.831 \| good	0.239 \| good
2026-04-23T09:00:00.000Z	49 \| good	8.747 \| good	37.197 \| good	29.829 \| good	0.526 \| good	13.048 \| good	0.221 \| good
2026-04-23T10:00:00.000Z	56 \| moderate	12.036 \| good	40.457 \| good	23.91 \| good	0.571 \| good	8.437 \| good	0.233 \| good
2026-04-23T11:00:00.000Z	49 \| good	8.775 \| good	28.128 \| good	25.117 \| good	0.426 \| good	10.072 \| good	0.269 \| good
2026-04-23T12:00:00.000Z	66 \| moderate	16.974 \| fine	51.318 \| good	23.291 \| good	0.44 \| good	10.138 \| good	0.325 \| good
2026-04-23T13:00:00.000Z	54 \| moderate	11.372 \| good	50.663 \| good	24.52 \| good	0.536 \| good	10.915 \| good	0.384 \| good
2026-04-23T14:00:00.000Z	49 \| good	9.188 \| good	31.173 \| good	25.443 \| good	0.698 \| good	8.32 \| good	0.332 \| good
2026-04-23T15:00:00.000Z	44 \| good	8.286 \| good	29.036 \| good	32.39 \| good	0.628 \| good	6.81 \| good	0.309 \| good
2026-04-23T16:00:00.000Z	44 \| good	8.266 \| good	30.67 \| good	36.683 \| good	0.556 \| good	7.246 \| good	0.19 \| good
2026-04-23T17:00:00.000Z	44 \| good	7.579 \| good	28.707 \| good	42.231 \| good	0.752 \| good	4.652 \| good	0.254 \| good
2026-04-23T18:00:00.000Z	44 \| good	7.82 \| good	31.534 \| good	45.466 \| good	0.898 \| good	3.843 \| good	0.249 \| good
2026-04-23T19:00:00.000Z	49 \| good	8.597 \| good	35.822 \| good	49.505 \| good	0.661 \| good	3.687 \| good	0.239 \| good
2026-04-23T20:00:00.000Z	52 \| moderate	10.07 \| good	41.837 \| good	53.225 \| good	0.728 \| good	4.017 \| good	0.238 \| good
2026-04-23T21:00:00.000Z	58 \| moderate	10.677 \| good	43.532 \| good	56.816 \| fine	0.735 \| good	4.248 \| good	0.221 \| good
2026-04-23T22:00:00.000Z	61 \| moderate	8.286 \| good	38.805 \| good	57.999 \| fine	0.659 \| good	3.668 \| good	0.241 \| good
2026-04-23T23:00:00.000Z	58 \| moderate	6.97 \| good	28.549 \| good	57.109 \| fine	0.64 \| good	4.559 \| good	0.256 \| good
2026-04-24T00:00:00.000Z	48 \| good	6.629 \| good	28.082 \| good	52.059 \| good	0.616 \| good	5.838 \| good	0.253 \| good
2026-04-24T01:00:00.000Z	42 \| good	5.983 \| good	22.49 \| good	45.209 \| good	0.511 \| good	5.735 \| good	0.23 \| good
2026-04-24T02:00:00.000Z	44 \| good	6.706 \| good	23.918 \| good	46.656 \| good	0.618 \| good	5.427 \| good	0.268 \| good
2026-04-24T02:00:00.000Z	44 \| good	6.706 \| good	23.918 \| good	46.656 \| good	0.618 \| good	5.427 \| good	0.268 \| good
2026-04-24T03:00:00.000Z	38 \| good	7.057 \| good	30.901 \| good	32.2 \| good	0.632 \| good	9.649 \| good	0.23 \| good
2026-04-24T04:00:00.000Z	38 \| good	7.25 \| good	31.959 \| good	29.51 \| good	0.612 \| good	8.689 \| good	0.221 \| good
2026-04-24T05:00:00.000Z	38 \| good	6.839 \| good	30.37 \| good	30.736 \| good	0.592 \| good	7.728 \| good	0.212 \| good
2026-04-24T06:00:00.000Z	38 \| good	6.784 \| good	30.3 \| good	32.597 \| good	0.571 \| good	6.767 \| good	0.203 \| good
2026-04-24T07:00:00.000Z	38 \| good	6.662 \| good	30 \| good	33.304 \| good	0.673 \| good	5.978 \| good	0.197 \| good
2026-04-24T08:00:00.000Z	38 \| good	6.616 \| good	29.624 \| good	33.76 \| good	0.774 \| good	5.189 \| good	0.191 \| good
2026-04-24T09:00:00.000Z	38 \| good	6.972 \| good	30.827 \| good	32.265 \| good	0.876 \| good	4.4 \| good	0.185 \| good
2026-04-24T10:00:00.000Z	38 \| good	6.77 \| good	29.762 \| good	29.974 \| good	1.005 \| good	4.452 \| good	0.189 \| good
2026-04-24T11:00:00.000Z	44 \| good	7.87 \| good	34.558 \| good	27.54 \| good	1.135 \| good	4.504 \| good	0.194 \| good
2026-04-24T12:00:00.000Z	44 \| good	7.663 \| good	33.83 \| good	29.682 \| good	1.265 \| good	4.555 \| good	0.198 \| good
2026-04-24T13:00:00.000Z	38 \| good	6.896 \| good	30.697 \| good	36.467 \| good	1.256 \| good	4.096 \| good	0.201 \| good
2026-04-24T14:00:00.000Z	41 \| good	5.996 \| good	26.865 \| good	43.843 \| good	1.247 \| good	3.637 \| good	0.203 \| good
2026-04-24T15:00:00.000Z	45 \| good	6.853 \| good	30.573 \| good	49.037 \| good	1.239 \| good	3.178 \| good	0.206 \| good
2026-04-24T16:00:00.000Z	46 \| good	6.79 \| good	29.932 \| good	50.289 \| good	1.132 \| good	2.805 \| good	0.202 \| good
2026-04-24T17:00:00.000Z	48 \| good	6.561 \| good	29.605 \| good	51.534 \| good	1.025 \| good	2.432 \| good	0.198 \| good
2026-04-24T18:00:00.000Z	49 \| good	6.694 \| good	29.938 \| good	53.034 \| good	0.918 \| good	2.059 \| good	0.194 \| good
2026-04-24T19:00:00.000Z	51 \| moderate	6.765 \| good	30.077 \| good	55.13 \| fine	0.825 \| good	2.114 \| good	0.194 \| good
2026-04-24T20:00:00.000Z	54 \| moderate	6.231 \| good	27.854 \| good	56.326 \| fine	0.733 \| good	2.17 \| good	0.194 \| good
2026-04-24T21:00:00.000Z	47 \| good	5.699 \| good	24.312 \| good	51.412 \| good	0.64 \| good	2.226 \| good	0.195 \| good
2026-04-24T22:00:00.000Z	50 \| good	4.537 \| good	19.431 \| good	54.151 \| good	0.647 \| good	2.977 \| good	0.194 \| good
2026-04-24T23:00:00.000Z	49 \| good	3.603 \| good	16.048 \| good	52.744 \| good	0.655 \| good	3.727 \| good	0.193 \| good
2026-04-25T00:00:00.000Z	47 \| good	4.233 \| good	18.267 \| good	51.193 \| good	0.662 \| good	4.478 \| good	0.192 \| good
2026-04-25T01:00:00.000Z	42 \| good	5.554 \| good	23.918 \| good	44.589 \| good	0.62 \| good	4.212 \| good	0.184 \| good
2026-04-25T02:00:00.000Z	39 \| good	5.539 \| good	23.593 \| good	42.078 \| good	0.579 \| good	3.947 \| good	0.176 \| good
2026-04-25T03:00:00.000Z	41 \| good	5.153 \| good	22.061 \| good	43.594 \| good	0.537 \| good	3.682 \| good	0.168 \| good
2026-04-25T04:00:00.000Z	40 \| good	6.765 \| good	30.16 \| good	42.83 \| good	0.54 \| good	3.463 \| good	0.165 \| good
2026-04-25T05:00:00.000Z	44 \| good	7.838 \| good	34.555 \| good	38.994 \| good	0.543 \| good	3.244 \| good	0.162 \| good
2026-04-25T06:00:00.000Z	38 \| good	6.596 \| good	29.269 \| good	35.505 \| good	0.547 \| good	3.025 \| good	0.159 \| good
2026-04-25T07:00:00.000Z	35 \| good	5.955 \| good	26.353 \| good	38.115 \| good	0.518 \| good	2.858 \| good	0.16 \| good
2026-04-25T08:00:00.000Z	37 \| good	4.574 \| good	20 \| good	39.846 \| good	0.49 \| good	2.69 \| good	0.161 \| good
2026-04-25T09:00:00.000Z	34 \| good	4.723 \| good	20.804 \| good	37.26 \| good	0.462 \| good	2.522 \| good	0.161 \| good
2026-04-25T10:00:00.000Z	33 \| good	5.577 \| good	23.924 \| good	28.877 \| good	0.454 \| good	2.831 \| good	0.168 \| good
2026-04-25T11:00:00.000Z	33 \| good	5.716 \| good	24.747 \| good	26.118 \| good	0.445 \| good	3.141 \| good	0.174 \| good
2026-04-25T12:00:00.000Z	33 \| good	5.508 \| good	23.647 \| good	31.187 \| good	0.437 \| good	3.45 \| good	0.181 \| good
2026-04-25T13:00:00.000Z	34 \| good	5.984 \| good	27.058 \| good	37.293 \| good	0.556 \| good	3.738 \| good	0.188 \| good
2026-04-25T14:00:00.000Z	44 \| good	7.692 \| good	34.096 \| good	38.148 \| good	0.676 \| good	4.027 \| good	0.195 \| good
2026-04-25T15:00:00.000Z	54 \| moderate	10.644 \| good	47.102 \| good	34.614 \| good	0.796 \| good	4.315 \| good	0.202 \| good
2026-04-25T16:00:00.000Z	58 \| moderate	12.654 \| fine	56.828 \| fine	35.803 \| good	0.851 \| good	4.587 \| good	0.209 \| good
2026-04-25T17:00:00.000Z	56 \| moderate	12.175 \| fine	54.684 \| good	38.42 \| good	0.905 \| good	4.86 \| good	0.215 \| good
2026-04-25T18:00:00.000Z	56 \| moderate	11.974 \| good	53.466 \| good	39.292 \| good	0.96 \| good	5.132 \| good	0.222 \| good
2026-04-25T19:00:00.000Z	49 \| good	9.451 \| good	42.206 \| good	42.095 \| good	0.805 \| good	4.725 \| good	0.215 \| good
2026-04-25T20:00:00.000Z	44 \| good	7.851 \| good	34.442 \| good	44.656 \| good	0.65 \| good	4.318 \| good	0.208 \| good
2026-04-25T21:00:00.000Z	44 \| good	7.859 \| good	34.273 \| good	48.074 \| good	0.495 \| good	3.911 \| good	0.201 \| good
2026-04-25T22:00:00.000Z	46 \| good	7.852 \| good	34.273 \| good	49.92 \| good	0.601 \| good	3.88 \| good	0.194 \| good
2026-04-25T23:00:00.000Z	49 \| good	9.003 \| good	40.423 \| good	50.639 \| good	0.707 \| good	3.849 \| good	0.186 \| good
2026-04-26T00:00:00.000Z	52 \| moderate	9.714 \| good	9.857 \| good	41.556 \| good	0.798 \| good	3.787 \| good	0.178 \| good
2026-04-26T01:00:00.000Z	44 \| good	7.68 \| good	33.731 \| good	39.063 \| good	0.984 \| good	4.045 \| good	0.179 \| good
2026-04-26T02:00:00.000Z	34 \| good	5.995 \| good	26.687 \| good	36.666 \| good	1.154 \| good	4.273 \| good	0.179 \| good

Norwalk

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Norwalk, Ohio air quality map: Track AQI near you

0.23ppm

How accurate is Ohio, USA air quality data?

Air quality data and pollutant measurements for Ohio, 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 Norwalk, Ohio updated?

The air quality for Norwalk, Ohio is updated every hour.

When was the worst air quality at Norwalk, Ohio in the last 24 hrs?

The worst air quality in Norwalk, Ohio in the last 24 hours was observed at 12:00:00 on 2026-04-23.

When was the best air quality at Norwalk, Ohio in the last 24 hrs?

In the last 24 hrs, the best air quality in Norwalk, Ohio was observed at 01:00:00 on 2026-04-24.

What is the current air quality in Norwalk, Ohio?

The current air quality in Norwalk, Ohio is 44, categorized as Good based on real-time data.

What pollutant is the most common in Norwalk, Ohio?

The most common pollutant in Norwalk, Ohio is O3.

What should I do if the air quality in Norwalk, Ohio is poor?

If the air quality in Norwalk, Ohio is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Norwalk, Ohio?

The current PM_2.5 concentration at Norwalk, Ohio is 6.706 μg/m³.

What is the current concentration of PM₁₀ in Norwalk, Ohio?

The current PM₁₀ concentration at Norwalk, Ohio is 23.918 μg/m³.

What is the current concentration of carbon monoxide (CO) in Norwalk, Ohio?

The current carbon monoxide (CO) concentration at Norwalk, Ohio is 0.268 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Norwalk, Ohio?

The current sulfur dioxide (SO₂) concentration at Norwalk, Ohio is 0.618 ppb.

What is the current concentration of ozone (O₃) in Norwalk, Ohio?

The current ozone (O₃) concentration at Norwalk, Ohio is 46.656 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Norwalk, Ohio?

The current nitrogen dioxide (NO₂) concentration at Norwalk, Ohio is 5.427 ppb.

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