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

The current PM10 concentration at Norwalk, Ohio is 36.971 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Norwalk, Ohio is 0.86 ppb.

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

The current ozone (O3) concentration at Norwalk, Ohio is 11.264 ppm.

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

The current nitrogen dioxide (NO2) concentration at Norwalk, Ohio is 10.623 ppb.

Norwalk, Ohio live air quality index now

Name: Live air pollution levels in Norwalk, Ohio today
Creator: Ambee

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)

Moderate

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)

9.55 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

44.30 μg/m³

155

255

425

605+

Ozone (O₃)

47.21 ppb

201

201+

Sulfur Dioxide (SO₂)

2.61 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.86 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.26 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
2025-07-21T23:00:00.000Z	58 \| moderate	13.254 \| fine	34.119 \| good	40.19 \| good	0.774 \| good	2.483 \| good	0.23 \| good
2025-07-22T00:00:00.000Z	49 \| good	9.147 \| good	27.409 \| good	35.999 \| good	1.284 \| good	2.497 \| good	0.221 \| good
2025-07-22T01:00:00.000Z	58 \| moderate	13.344 \| fine	45.105 \| good	39.769 \| good	1.422 \| good	3.228 \| good	0.203 \| good
2025-07-22T02:00:00.000Z	67 \| moderate	18.281 \| fine	49.895 \| good	32.712 \| good	1.251 \| good	3.847 \| good	0.2 \| good
2025-07-22T03:00:00.000Z	27 \| good	5.459 \| good	23.396 \| good	20.901 \| good	0.641 \| good	4.938 \| good	0.222 \| good
2025-07-22T04:00:00.000Z	52 \| moderate	10.485 \| good	34.463 \| good	29.038 \| good	1.207 \| good	4.808 \| good	0.22 \| good
2025-07-22T05:00:00.000Z	60 \| moderate	14.142 \| fine	31.368 \| good	25.583 \| good	1.101 \| good	4.122 \| good	0.18 \| good
2025-07-22T06:00:00.000Z	56 \| moderate	11.968 \| good	30.305 \| good	22.241 \| good	1.255 \| good	4.682 \| good	0.154 \| good
2025-07-22T07:00:00.000Z	62 \| moderate	15.036 \| fine	66.586 \| fine	18.935 \| good	1.01 \| good	5.778 \| good	0.154 \| good
2025-07-22T08:00:00.000Z	58 \| moderate	13.092 \| fine	37.73 \| good	14.645 \| good	1.022 \| good	7.928 \| good	0.173 \| good
2025-07-22T09:00:00.000Z	49 \| good	9.451 \| good	23.835 \| good	12.668 \| good	1.054 \| good	9.444 \| good	0.173 \| good
2025-07-22T10:00:00.000Z	54 \| moderate	10.53 \| good	33.17 \| good	10.61 \| good	1.051 \| good	9.904 \| good	0.234 \| good
2025-07-22T11:00:00.000Z	49 \| good	8.651 \| good	36.971 \| good	11.264 \| good	0.86 \| good	10.623 \| good	0.235 \| good
2025-07-22T12:00:00.000Z	54 \| moderate	10.571 \| good	37.267 \| good	10.263 \| good	0.845 \| good	11.876 \| good	0.239 \| good
2025-07-22T13:00:00.000Z	56 \| moderate	11.739 \| good	42.52 \| good	14.513 \| good	1.315 \| good	7.012 \| good	0.254 \| good
2025-07-22T14:00:00.000Z	52 \| moderate	9.647 \| good	25.095 \| good	20.69 \| good	1.123 \| good	7.315 \| good	0.254 \| good
2025-07-22T15:00:00.000Z	44 \| good	7.81 \| good	25.887 \| good	20.655 \| good	1.188 \| good	5.949 \| good	0.214 \| good
2025-07-22T16:00:00.000Z	44 \| good	8.253 \| good	29.028 \| good	27.098 \| good	1.083 \| good	3.833 \| good	0.191 \| good
2025-07-22T17:00:00.000Z	49 \| good	8.565 \| good	35.966 \| good	30.695 \| good	0.986 \| good	3.393 \| good	0.154 \| good
2025-07-22T18:00:00.000Z	44 \| good	8.446 \| good	39.635 \| good	39.223 \| good	1.132 \| good	2.838 \| good	0.154 \| good
2025-07-22T19:00:00.000Z	44 \| good	7.726 \| good	36.017 \| good	43.057 \| good	1.715 \| good	2.708 \| good	0.158 \| good
2025-07-22T20:00:00.000Z	49 \| good	8.757 \| good	44.94 \| good	45.73 \| good	1.367 \| good	2.573 \| good	0.168 \| good
2025-07-22T21:00:00.000Z	52 \| moderate	9.832 \| good	56.825 \| fine	46.224 \| good	1.596 \| good	3.041 \| good	0.183 \| good
2025-07-22T22:00:00.000Z	44 \| good	8.448 \| good	30.696 \| good	46.539 \| good	1.316 \| good	2.476 \| good	0.181 \| good
2025-07-22T23:00:00.000Z	34 \| good	4.639 \| good	32.197 \| good	37.341 \| good	1.908 \| good	3.103 \| good	0.2 \| good
2025-07-23T00:00:00.000Z	37 \| good	3.428 \| good	24.295 \| good	39.743 \| good	1.95 \| good	2.693 \| good	0.166 \| good
2025-07-23T01:00:00.000Z	37 \| good	4.03 \| good	23.109 \| good	39.671 \| good	1.732 \| good	3.09 \| good	0.166 \| good
2025-07-23T02:00:00.000Z	33 \| good	6.496 \| good	25.714 \| good	31.862 \| good	1.299 \| good	4.063 \| good	0.184 \| good
2025-07-23T03:00:00.000Z	27 \| good	5.084 \| good	22.413 \| good	29.285 \| good	1.259 \| good	5.5 \| good	0.205 \| good
2025-07-23T04:00:00.000Z	33 \| good	6.317 \| good	25.727 \| good	26.967 \| good	1.204 \| good	6.744 \| good	0.22 \| good
2025-07-23T05:00:00.000Z	33 \| good	6.013 \| good	26.665 \| good	24.386 \| good	0.995 \| good	7.876 \| good	0.206 \| good
2025-07-23T06:00:00.000Z	38 \| good	6.868 \| good	26.243 \| good	20.319 \| good	1.227 \| good	12.878 \| good	0.225 \| good
2025-07-23T07:00:00.000Z	35 \| good	5.803 \| good	38.074 \| good	18.451 \| good	1.207 \| good	13.546 \| good	0.194 \| good
2025-07-23T08:00:00.000Z	49 \| good	9.463 \| good	32.248 \| good	15.294 \| good	1.213 \| good	13.497 \| good	0.195 \| good
2025-07-23T09:00:00.000Z	49 \| good	8.599 \| good	41.003 \| good	13.361 \| good	1.165 \| good	15.749 \| good	0.197 \| good
2025-07-23T10:00:00.000Z	38 \| good	6.768 \| good	26.962 \| good	12.322 \| good	1.097 \| good	15.588 \| good	0.236 \| good
2025-07-23T11:00:00.000Z	44 \| good	7.588 \| good	28.492 \| good	10.947 \| good	1.054 \| good	13.719 \| good	0.285 \| good
2025-07-23T12:00:00.000Z	44 \| good	8.217 \| good	36.565 \| good	15.517 \| good	1.029 \| good	12.671 \| good	0.346 \| good
2025-07-23T13:00:00.000Z	33 \| good	6.069 \| good	28.014 \| good	14.863 \| good	1.852 \| good	11.946 \| good	0.312 \| good
2025-07-23T14:00:00.000Z	53 \| moderate	9.76 \| good	59.052 \| fine	27.187 \| good	2.803 \| good	9.223 \| good	0.313 \| good
2025-07-23T15:00:00.000Z	49 \| good	8.731 \| good	32.745 \| good	30.73 \| good	3.624 \| good	7.69 \| good	0.256 \| good
2025-07-23T16:00:00.000Z	44 \| good	8.206 \| good	30.67 \| good	39.16 \| good	4.511 \| good	5.975 \| good	0.239 \| good
2025-07-23T17:00:00.000Z	44 \| good	7.653 \| good	37.395 \| good	42.199 \| good	5.467 \| good	4.644 \| good	0.198 \| good
2025-07-23T18:00:00.000Z	44 \| good	7.753 \| good	35.845 \| good	45.765 \| good	3.129 \| good	4.88 \| good	0.236 \| good
2025-07-23T19:00:00.000Z	45 \| good	7.765 \| good	35.725 \| good	48.594 \| good	3.899 \| good	5.677 \| good	0.235 \| good
2025-07-23T20:00:00.000Z	44 \| good	7.647 \| good	35.103 \| good	48.217 \| good	3.844 \| good	4.89 \| good	0.256 \| good
2025-07-23T21:00:00.000Z	52 \| moderate	9.551 \| good	44.299 \| good	47.21 \| good	2.606 \| good	4.86 \| good	0.259 \| good
2025-07-23T22:00:00.000Z	52 \| moderate	9.551 \| good	44.299 \| good	47.21 \| good	2.606 \| good	4.86 \| good	0.259 \| good
2025-07-22T12:00:00.000Z	38 \| good	6.91 \| good	30.513 \| good	20.032 \| good	0.943 \| good	6.857 \| good	0.219 \| good
2025-07-22T13:00:00.000Z	38 \| good	6.807 \| good	30.352 \| good	28.744 \| good	0.996 \| good	5.097 \| good	0.199 \| good
2025-07-22T14:00:00.000Z	38 \| good	6.513 \| good	29.261 \| good	33.956 \| good	1.049 \| good	3.336 \| good	0.179 \| good
2025-07-22T15:00:00.000Z	33 \| good	6.139 \| good	27.283 \| good	35.438 \| good	1.102 \| good	1.576 \| good	0.16 \| good
2025-07-22T16:00:00.000Z	34 \| good	6.117 \| good	27.283 \| good	37.185 \| good	1.167 \| good	1.289 \| good	0.158 \| good
2025-07-22T17:00:00.000Z	36 \| good	6.389 \| good	28.485 \| good	38.916 \| good	1.233 \| good	1.001 \| good	0.155 \| good
2025-07-22T18:00:00.000Z	38 \| good	6.968 \| good	30.748 \| good	40.595 \| good	1.299 \| good	0.714 \| good	0.153 \| good
2025-07-22T19:00:00.000Z	44 \| good	7.808 \| good	34.415 \| good	43.734 \| good	1.383 \| good	0.732 \| good	0.153 \| good
2025-07-22T20:00:00.000Z	49 \| good	8.718 \| good	38.727 \| good	47.51 \| good	1.467 \| good	0.751 \| good	0.152 \| good
2025-07-22T21:00:00.000Z	52 \| moderate	9.527 \| good	42.298 \| good	50.528 \| good	1.551 \| good	0.769 \| good	0.152 \| good
2025-07-22T22:00:00.000Z	54 \| moderate	11.407 \| good	50.628 \| good	51.607 \| good	1.593 \| good	1.399 \| good	0.156 \| good
2025-07-22T23:00:00.000Z	56 \| moderate	11.827 \| good	52.974 \| good	46.845 \| good	1.635 \| good	2.028 \| good	0.161 \| good
2025-07-23T00:00:00.000Z	44 \| good	8.327 \| good	36.488 \| good	38.307 \| good	1.677 \| good	2.657 \| good	0.165 \| good
2025-07-23T01:00:00.000Z	33 \| good	6.345 \| good	27.798 \| good	31.983 \| good	1.787 \| good	4.159 \| good	0.179 \| good
2025-07-23T02:00:00.000Z	33 \| good	5.628 \| good	24.283 \| good	26.445 \| good	1.896 \| good	5.66 \| good	0.193 \| good
2025-07-23T03:00:00.000Z	27 \| good	5.487 \| good	23.834 \| good	22.523 \| good	2.005 \| good	7.162 \| good	0.207 \| good
2025-07-23T04:00:00.000Z	33 \| good	5.932 \| good	26.444 \| good	19.578 \| good	2 \| good	7.545 \| good	0.219 \| good
2025-07-23T05:00:00.000Z	38 \| good	7.071 \| good	31.119 \| good	17.488 \| good	1.994 \| good	7.928 \| good	0.23 \| good
2025-07-23T06:00:00.000Z	49 \| good	8.857 \| good	38.829 \| good	17.283 \| good	1.989 \| good	8.311 \| good	0.242 \| good
2025-07-23T07:00:00.000Z	54 \| moderate	10.664 \| good	46.923 \| good	17.21 \| good	2.224 \| good	7.881 \| good	0.24 \| good
2025-07-23T08:00:00.000Z	54 \| moderate	11.288 \| good	49.852 \| good	16.703 \| good	2.458 \| good	7.452 \| good	0.239 \| good
2025-07-23T09:00:00.000Z	52 \| moderate	10.389 \| good	45.972 \| good	16.351 \| good	2.693 \| good	7.023 \| good	0.238 \| good
2025-07-23T10:00:00.000Z	52 \| moderate	10.418 \| good	46.077 \| good	18.684 \| good	3.221 \| good	6.47 \| good	0.24 \| good
2025-07-23T11:00:00.000Z	52 \| moderate	10.393 \| good	46.076 \| good	18.602 \| good	3.75 \| good	5.917 \| good	0.243 \| good
2025-07-23T12:00:00.000Z	54 \| moderate	11.032 \| good	49.003 \| good	24.529 \| good	4.278 \| good	5.365 \| good	0.245 \| good
2025-07-23T13:00:00.000Z	56 \| moderate	12.114 \| fine	54.595 \| good	34.936 \| good	5.574 \| good	4.216 \| good	0.244 \| good
2025-07-23T14:00:00.000Z	58 \| moderate	12.638 \| fine	56.898 \| fine	45.757 \| good	6.87 \| good	3.067 \| good	0.243 \| good
2025-07-23T15:00:00.000Z	56 \| moderate	12.206 \| fine	54.657 \| good	51.781 \| good	8.166 \| good	1.918 \| good	0.243 \| good
2025-07-23T16:00:00.000Z	56 \| moderate	11.572 \| good	50.956 \| good	54.616 \| good	7.124 \| good	1.578 \| good	0.237 \| good
2025-07-23T17:00:00.000Z	56 \| moderate	11.816 \| good	52.209 \| good	54.967 \| good	6.083 \| good	1.237 \| good	0.232 \| good
2025-07-23T18:00:00.000Z	56 \| moderate	11.724 \| good	51.921 \| good	54.912 \| good	5.041 \| good	0.897 \| good	0.226 \| good
2025-07-23T19:00:00.000Z	56 \| moderate	11.849 \| good	52.31 \| good	54.347 \| good	4.605 \| good	0.924 \| good	0.226 \| good
2025-07-23T20:00:00.000Z	56 \| moderate	11.937 \| good	53.26 \| good	53.62 \| good	4.169 \| good	0.952 \| good	0.225 \| good
2025-07-23T21:00:00.000Z	56 \| moderate	12.399 \| fine	56.219 \| fine	51.768 \| good	3.732 \| good	0.979 \| good	0.224 \| good
2025-07-23T22:00:00.000Z	58 \| moderate	12.753 \| fine	57.021 \| fine	48.793 \| good	3.481 \| good	1.996 \| good	0.233 \| good
2025-07-23T23:00:00.000Z	58 \| moderate	12.743 \| fine	57.419 \| fine	43.962 \| good	3.23 \| good	3.013 \| good	0.242 \| good
2025-07-24T00:00:00.000Z	58 \| moderate	13.055 \| fine	58.512 \| fine	37.09 \| good	2.979 \| good	4.03 \| good	0.251 \| good
2025-07-24T01:00:00.000Z	52 \| moderate	10.397 \| good	45.992 \| good	31.06 \| good	2.877 \| good	6.16 \| good	0.272 \| good
2025-07-24T02:00:00.000Z	52 \| moderate	10.183 \| good	45.235 \| good	29.294 \| good	2.775 \| good	8.29 \| good	0.294 \| good
2025-07-24T03:00:00.000Z	52 \| moderate	10.071 \| good	44.496 \| good	27.673 \| good	2.674 \| good	10.42 \| good	0.315 \| good
2025-07-24T04:00:00.000Z	52 \| moderate	10.349 \| good	45.678 \| good	28.634 \| good	2.609 \| good	10.529 \| good	0.32 \| good
2025-07-24T05:00:00.000Z	54 \| moderate	10.715 \| good	47.479 \| good	31.215 \| good	2.545 \| good	10.639 \| good	0.325 \| good
2025-07-24T06:00:00.000Z	62 \| moderate	15.223 \| fine	15.324 \| good	42.102 \| good	2.494 \| good	10.578 \| good	0.328 \| good
2025-07-24T07:00:00.000Z	58 \| moderate	12.818 \| fine	57.277 \| fine	29.647 \| good	2.498 \| good	9.712 \| good	0.323 \| good
2025-07-24T08:00:00.000Z	58 \| moderate	13.142 \| fine	59.136 \| fine	28.827 \| good	2.517 \| good	8.674 \| good	0.317 \| good
2025-07-24T09:00:00.000Z	58 \| moderate	13.179 \| fine	59.347 \| fine	28.231 \| good	2.535 \| good	7.637 \| good	0.311 \| good
2025-07-24T10:00:00.000Z	58 \| moderate	13.283 \| fine	59.471 \| fine	26.516 \| good	2.559 \| good	6.959 \| good	0.308 \| good
2025-07-24T11:00:00.000Z	58 \| moderate	13.124 \| fine	59 \| fine	24.029 \| good	2.584 \| good	6.281 \| good	0.306 \| good

Norwalk

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Norwalk, Ohio air quality map: Track AQI near you

0.29ppm

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 02:00:00 on 2025-07-21.

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 03:00:00 on 2025-07-22.

What is the current air quality in Norwalk, Ohio?

The current air quality in Norwalk, Ohio is 49, 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 PM2.5.

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 8.651 μg/m³.

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

The current PM₁₀ concentration at Norwalk, Ohio is 36.971 μg/m³.

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

The current carbon monoxide (CO) concentration at Norwalk, Ohio is 0.235 ppm.

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

The current sulfur dioxide (SO₂) concentration at Norwalk, Ohio is 0.86 ppb.

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

The current ozone (O₃) concentration at Norwalk, Ohio is 11.264 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Norwalk, Ohio is 10.623 ppb.

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