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

The current PM10 concentration at Norwalk, Ohio is 24.236 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Norwalk, Ohio is 3.158 ppb.

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

The current ozone (O3) concentration at Norwalk, Ohio is 40.072 ppm.

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

The current nitrogen dioxide (NO2) concentration at Norwalk, Ohio is 4.4 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 5.798 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)

5.80 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

24.24 μg/m³

155

255

425

605+

Ozone (O₃)

40.07 ppb

201

201+

Sulfur Dioxide (SO₂)

3.16 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.40 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.18 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

Please contact us for custom requests

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
2026-03-07T23:00:00.000Z	36 \| good	0.89 \| good	3.988 \| good	38.557 \| good	0.9 \| good	2.833 \| good	0.134 \| good
2026-03-08T00:00:00.000Z	33 \| good	2.148 \| good	7.068 \| good	36.489 \| good	1.1 \| good	3.736 \| good	0.151 \| good
2026-03-08T01:00:00.000Z	31 \| good	2.548 \| good	6.702 \| good	34.48 \| good	0.816 \| good	4.234 \| good	0.172 \| good
2026-03-08T02:00:00.000Z	31 \| good	3.605 \| good	16.152 \| good	34.118 \| good	0.96 \| good	4.272 \| good	0.173 \| good
2026-03-08T03:00:00.000Z	34 \| good	6.32 \| good	28.397 \| good	37.008 \| good	0.532 \| good	2.892 \| good	0.142 \| good
2026-03-08T04:00:00.000Z	32 \| good	4.322 \| good	17.344 \| good	34.738 \| good	1.051 \| good	4.094 \| good	0.161 \| good
2026-03-08T05:00:00.000Z	28 \| good	4.879 \| good	16.605 \| good	30.247 \| good	0.939 \| good	3.819 \| good	0.172 \| good
2026-03-08T06:00:00.000Z	29 \| good	4.359 \| good	15.659 \| good	30.666 \| good	0.77 \| good	3.507 \| good	0.179 \| good
2026-03-08T07:00:00.000Z	31 \| good	5.398 \| good	16.525 \| good	32.712 \| good	0.759 \| good	3.032 \| good	0.165 \| good
2026-03-08T08:00:00.000Z	33 \| good	5.758 \| good	19.397 \| good	24.555 \| good	0.722 \| good	2.728 \| good	0.19 \| good
2026-03-08T09:00:00.000Z	33 \| good	5.581 \| good	21.445 \| good	22.116 \| good	0.698 \| good	2.948 \| good	0.207 \| good
2026-03-08T10:00:00.000Z	27 \| good	4.868 \| good	19.209 \| good	21.801 \| good	0.713 \| good	3.003 \| good	0.203 \| good
2026-03-08T11:00:00.000Z	27 \| good	5.398 \| good	19.646 \| good	20.906 \| good	0.735 \| good	4.161 \| good	0.204 \| good
2026-03-08T12:00:00.000Z	33 \| good	5.549 \| good	21.17 \| good	21.01 \| good	0.878 \| good	4.078 \| good	0.203 \| good
2026-03-08T13:00:00.000Z	27 \| good	4.725 \| good	18.846 \| good	21.87 \| good	0.838 \| good	3.979 \| good	0.169 \| good
2026-03-08T14:00:00.000Z	23 \| good	4.31 \| good	17.677 \| good	24.752 \| good	1.359 \| good	3.394 \| good	0.17 \| good
2026-03-08T15:00:00.000Z	38 \| good	7.484 \| good	34.343 \| good	25.844 \| good	1.213 \| good	2.443 \| good	0.185 \| good
2026-03-08T16:00:00.000Z	33 \| good	6.417 \| good	24.509 \| good	27.847 \| good	1.373 \| good	2.478 \| good	0.187 \| good
2026-03-08T17:00:00.000Z	28 \| good	4.65 \| good	18.898 \| good	29.845 \| good	1.353 \| good	2.601 \| good	0.172 \| good
2026-03-08T18:00:00.000Z	31 \| good	4.973 \| good	14.385 \| good	32.65 \| good	1.33 \| good	2.5 \| good	0.166 \| good
2026-03-08T19:00:00.000Z	32 \| good	5.336 \| good	20.021 \| good	35.17 \| good	1.148 \| good	2.878 \| good	0.16 \| good
2026-03-08T20:00:00.000Z	34 \| good	4.135 \| good	14.872 \| good	37.21 \| good	0.831 \| good	3.565 \| good	0.171 \| good
2026-03-08T21:00:00.000Z	34 \| good	3.385 \| good	11.269 \| good	37.393 \| good	1.933 \| good	2.777 \| good	0.135 \| good
2026-03-08T22:00:00.000Z	35 \| good	2.521 \| good	7.311 \| good	37.795 \| good	1.951 \| good	2.1 \| good	0.167 \| good
2026-03-08T23:00:00.000Z	36 \| good	2.605 \| good	10.089 \| good	39.229 \| good	1.193 \| good	2.288 \| good	0.174 \| good
2026-03-09T00:00:00.000Z	34 \| good	2.847 \| good	12 \| good	36.691 \| good	0.912 \| good	2.728 \| good	0.174 \| good
2026-03-09T01:00:00.000Z	32 \| good	3.011 \| good	12.217 \| good	35.37 \| good	0.722 \| good	2.956 \| good	0.197 \| good
2026-03-09T02:00:00.000Z	31 \| good	3.369 \| good	15.277 \| good	34.042 \| good	0.612 \| good	3.107 \| good	0.201 \| good
2026-03-09T03:00:00.000Z	29 \| good	4.01 \| good	17.377 \| good	31.29 \| good	0.761 \| good	3.219 \| good	0.184 \| good
2026-03-09T04:00:00.000Z	29 \| good	3.929 \| good	18.754 \| good	31.267 \| good	1.129 \| good	3.298 \| good	0.204 \| good
2026-03-09T05:00:00.000Z	27 \| good	3.239 \| good	12.264 \| good	29.385 \| good	1.564 \| good	3.821 \| good	0.189 \| good
2026-03-09T06:00:00.000Z	29 \| good	3.803 \| good	16.573 \| good	31.251 \| good	1.44 \| good	4.525 \| good	0.173 \| good
2026-03-09T07:00:00.000Z	27 \| good	3.613 \| good	15.561 \| good	29.065 \| good	1.461 \| good	4.761 \| good	0.182 \| good
2026-03-09T08:00:00.000Z	27 \| good	3.974 \| good	18.607 \| good	29.407 \| good	1.37 \| good	3.819 \| good	0.161 \| good
2026-03-09T09:00:00.000Z	28 \| good	4.059 \| good	17.056 \| good	29.596 \| good	1.345 \| good	4.261 \| good	0.162 \| good
2026-03-09T10:00:00.000Z	27 \| good	4.086 \| good	14.395 \| good	28.962 \| good	1.408 \| good	6.074 \| good	0.205 \| good
2026-03-09T11:00:00.000Z	24 \| good	4.257 \| good	17.565 \| good	26.497 \| good	1.705 \| good	6.607 \| good	0.191 \| good
2026-03-09T12:00:00.000Z	22 \| good	4.477 \| good	21.544 \| good	24.166 \| good	1.801 \| good	9.577 \| good	0.236 \| good
2026-03-09T13:00:00.000Z	27 \| good	5.245 \| good	23.859 \| good	23.386 \| good	2.345 \| good	11.23 \| good	0.214 \| good
2026-03-09T14:00:00.000Z	33 \| good	6.286 \| good	29.101 \| good	21.169 \| good	3.258 \| good	10.809 \| good	0.219 \| good
2026-03-09T15:00:00.000Z	33 \| good	5.746 \| good	21.493 \| good	24.973 \| good	1.615 \| good	8.297 \| good	0.203 \| good
2026-03-09T16:00:00.000Z	27 \| good	5.16 \| good	16.4 \| good	28.73 \| good	2.525 \| good	5.535 \| good	0.187 \| good
2026-03-09T17:00:00.000Z	30 \| good	4.984 \| good	20.439 \| good	31.693 \| good	1.983 \| good	5.747 \| good	0.183 \| good
2026-03-09T18:00:00.000Z	33 \| good	5.955 \| good	21.312 \| good	36.25 \| good	3.489 \| good	4.758 \| good	0.177 \| good
2026-03-09T19:00:00.000Z	36 \| good	6.45 \| good	25.455 \| good	39.307 \| good	3.492 \| good	4.231 \| good	0.178 \| good
2026-03-09T20:00:00.000Z	35 \| good	6.198 \| good	28.039 \| good	38.331 \| good	4.531 \| good	4.252 \| good	0.181 \| good
2026-03-09T21:00:00.000Z	37 \| good	5.798 \| good	24.236 \| good	40.072 \| good	3.158 \| good	4.4 \| good	0.18 \| good
2026-03-09T22:00:00.000Z	37 \| good	5.798 \| good	24.236 \| good	40.072 \| good	3.158 \| good	4.4 \| good	0.18 \| good
2026-03-09T22:00:00.000Z	40 \| good	4.819 \| good	20.898 \| good	42.539 \| good	1.567 \| good	1.925 \| good	0.165 \| good
2026-03-09T23:00:00.000Z	42 \| good	6.021 \| good	26.877 \| good	45.456 \| good	1.559 \| good	2.484 \| good	0.168 \| good
2026-03-10T00:00:00.000Z	38 \| good	5.463 \| good	23.529 \| good	41.108 \| good	1.551 \| good	3.044 \| good	0.172 \| good
2026-03-10T01:00:00.000Z	33 \| good	5.256 \| good	22.508 \| good	36.319 \| good	1.564 \| good	3.183 \| good	0.171 \| good
2026-03-10T02:00:00.000Z	33 \| good	6.432 \| good	29 \| good	29.007 \| good	1.578 \| good	3.323 \| good	0.171 \| good
2026-03-10T03:00:00.000Z	38 \| good	6.897 \| good	30.414 \| good	29.713 \| good	1.592 \| good	3.463 \| good	0.171 \| good
2026-03-10T04:00:00.000Z	33 \| good	6.164 \| good	27.558 \| good	30.122 \| good	1.643 \| good	3.442 \| good	0.168 \| good
2026-03-10T05:00:00.000Z	33 \| good	5.858 \| good	25.984 \| good	29.25 \| good	1.694 \| good	3.422 \| good	0.166 \| good
2026-03-10T06:00:00.000Z	33 \| good	5.612 \| good	23.844 \| good	29.039 \| good	1.745 \| good	3.401 \| good	0.163 \| good
2026-03-10T07:00:00.000Z	27 \| good	4.881 \| good	21.037 \| good	28.004 \| good	1.697 \| good	3.215 \| good	0.159 \| good
2026-03-10T08:00:00.000Z	27 \| good	4.504 \| good	19.657 \| good	27.968 \| good	1.648 \| good	3.03 \| good	0.156 \| good
2026-03-10T09:00:00.000Z	26 \| good	4.083 \| good	17.789 \| good	28.168 \| good	1.6 \| good	2.844 \| good	0.152 \| good
2026-03-10T10:00:00.000Z	38 \| good	7.359 \| good	32.562 \| good	22.316 \| good	1.495 \| good	3.042 \| good	0.15 \| good
2026-03-10T11:00:00.000Z	33 \| good	6.443 \| good	28.62 \| good	22.83 \| good	1.389 \| good	3.24 \| good	0.148 \| good
2026-03-10T12:00:00.000Z	38 \| good	6.656 \| good	29.586 \| good	21.563 \| good	1.284 \| good	3.438 \| good	0.147 \| good
2026-03-10T13:00:00.000Z	38 \| good	6.879 \| good	30 \| good	19.58 \| good	1.188 \| good	3.401 \| good	0.147 \| good
2026-03-10T14:00:00.000Z	38 \| good	7.3 \| good	32 \| good	22.712 \| good	1.092 \| good	3.365 \| good	0.147 \| good
2026-03-10T15:00:00.000Z	25 \| good	3.982 \| good	17.196 \| good	27.132 \| good	0.996 \| good	3.328 \| good	0.147 \| good
2026-03-10T16:00:00.000Z	25 \| good	4.034 \| good	17.839 \| good	26.761 \| good	0.91 \| good	2.746 \| good	0.143 \| good
2026-03-10T17:00:00.000Z	26 \| good	4.13 \| good	18.037 \| good	28.013 \| good	0.823 \| good	2.164 \| good	0.138 \| good
2026-03-10T18:00:00.000Z	33 \| good	5.723 \| good	24.663 \| good	35.025 \| good	0.737 \| good	1.582 \| good	0.134 \| good
2026-03-10T19:00:00.000Z	33 \| good	5.423 \| good	23.065 \| good	36.008 \| good	0.63 \| good	1.435 \| good	0.131 \| good
2026-03-10T20:00:00.000Z	34 \| good	5.187 \| good	22.443 \| good	36.627 \| good	0.522 \| good	1.288 \| good	0.127 \| good
2026-03-10T21:00:00.000Z	31 \| good	5.401 \| good	23.686 \| good	33.908 \| good	0.415 \| good	1.141 \| good	0.124 \| good
2026-03-10T22:00:00.000Z	33 \| good	6.329 \| good	28.019 \| good	30.794 \| good	0.455 \| good	1.97 \| good	0.13 \| good
2026-03-10T23:00:00.000Z	49 \| good	8.59 \| good	37.921 \| good	27.801 \| good	0.494 \| good	2.798 \| good	0.135 \| good
2026-03-11T00:00:00.000Z	37 \| good	4.777 \| good	20.583 \| good	40.026 \| good	0.533 \| good	3.627 \| good	0.141 \| good
2026-03-11T01:00:00.000Z	36 \| good	5.197 \| good	22.538 \| good	38.999 \| good	0.826 \| good	3.72 \| good	0.141 \| good
2026-03-11T02:00:00.000Z	54 \| moderate	10.574 \| good	46.69 \| good	25.359 \| good	1.12 \| good	3.814 \| good	0.141 \| good
2026-03-11T03:00:00.000Z	52 \| moderate	10.096 \| good	44.888 \| good	26.609 \| good	1.413 \| good	3.907 \| good	0.141 \| good
2026-03-11T04:00:00.000Z	49 \| good	9.018 \| good	39.614 \| good	28.231 \| good	1.643 \| good	3.67 \| good	0.138 \| good
2026-03-11T05:00:00.000Z	38 \| good	7.36 \| good	32.498 \| good	27.693 \| good	1.873 \| good	3.432 \| good	0.135 \| good
2026-03-11T06:00:00.000Z	27 \| good	4.84 \| good	4.963 \| good	29.026 \| good	2.105 \| good	3.201 \| good	0.133 \| good
2026-03-11T07:00:00.000Z	28 \| good	4.165 \| good	18.426 \| good	29.833 \| good	1.821 \| good	2.859 \| good	0.129 \| good
2026-03-11T08:00:00.000Z	28 \| good	1.756 \| good	7.426 \| good	29.521 \| good	1.537 \| good	2.524 \| good	0.126 \| good
2026-03-11T09:00:00.000Z	24 \| good	2.086 \| good	8.62 \| good	26.461 \| good	1.254 \| good	2.189 \| good	0.123 \| good
2026-03-11T10:00:00.000Z	27 \| good	3.708 \| good	16.119 \| good	29.104 \| good	1.07 \| good	2.037 \| good	0.12 \| good
2026-03-11T11:00:00.000Z	27 \| good	3.572 \| good	15.658 \| good	29.039 \| good	0.885 \| good	1.885 \| good	0.116 \| good
2026-03-11T12:00:00.000Z	38 \| good	7.163 \| good	7.292 \| good	30.884 \| good	0.693 \| good	1.722 \| good	0.113 \| good
2026-03-11T13:00:00.000Z	38 \| good	7.111 \| good	7.235 \| good	30.326 \| good	0.674 \| good	1.978 \| good	0.115 \| good
2026-03-11T14:00:00.000Z	44 \| good	7.567 \| good	7.701 \| good	29.767 \| good	0.655 \| good	2.234 \| good	0.117 \| good
2026-03-11T15:00:00.000Z	33 \| good	6.386 \| good	6.502 \| good	29.208 \| good	0.637 \| good	2.491 \| good	0.12 \| good
2026-03-11T16:00:00.000Z	27 \| good	3.84 \| good	3.893 \| good	29.167 \| good	0.608 \| good	2.329 \| good	0.121 \| good
2026-03-11T17:00:00.000Z	27 \| good	2.093 \| good	8.414 \| good	29.092 \| good	0.585 \| good	2.17 \| good	0.122 \| good
2026-03-11T18:00:00.000Z	27 \| good	2.539 \| good	2.557 \| good	29.084 \| good	0.551 \| good	2.004 \| good	0.122 \| good
2026-03-11T19:00:00.000Z	26 \| good	2.53 \| good	2.546 \| good	28.49 \| good	0.537 \| good	2.211 \| good	0.122 \| good
2026-03-11T20:00:00.000Z	26 \| good	2.395 \| good	2.423 \| good	27.896 \| good	0.522 \| good	2.417 \| good	0.122 \| good
2026-03-11T21:00:00.000Z	25 \| good	3.068 \| good	3.127 \| good	27.301 \| good	0.508 \| good	2.624 \| good	0.122 \| good

Norwalk

Get reliable air quality data to drive your business

Norwalk, Ohio air quality map: Track AQI near you

0.20ppm

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

Air quality levels in US

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

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

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 07:00:00 on 2026-03-09.

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 12:00:00 on 2026-03-09.

What is the current air quality in Norwalk, Ohio?

The current air quality in Norwalk, Ohio is 37, 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 5.798 μg/m³.

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

The current PM₁₀ concentration at Norwalk, Ohio is 24.236 μg/m³.

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

The current carbon monoxide (CO) concentration at Norwalk, Ohio is 0.18 ppm.

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

The current sulfur dioxide (SO₂) concentration at Norwalk, Ohio is 3.158 ppb.

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

The current ozone (O₃) concentration at Norwalk, Ohio is 40.072 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Norwalk, Ohio is 4.4 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions