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

The current PM10 concentration at Norwalk, Ohio is 65 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Norwalk, Ohio is 0.842 ppb.

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

The current ozone (O3) concentration at Norwalk, Ohio is 16.016 ppm.

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

The current nitrogen dioxide (NO2) concentration at Norwalk, Ohio is 6.303 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 14.508 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)

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)

14.51 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

65.00 μg/m³

155

255

425

605+

Ozone (O₃)

16.02 ppb

201

201+

Sulfur Dioxide (SO₂)

0.84 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.30 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.23 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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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
2025-12-05T13:00:00.000Z	27 \| good	5.244 \| good	22.932 \| good	14.394 \| good	1.932 \| good	5.075 \| good	0.192 \| good
2025-12-05T14:00:00.000Z	27 \| good	5.346 \| good	23.088 \| good	18.796 \| good	2.121 \| good	5.372 \| good	0.201 \| good
2025-12-05T15:00:00.000Z	27 \| good	5.271 \| good	22.466 \| good	23.625 \| good	2.31 \| good	5.67 \| good	0.209 \| good
2025-12-05T16:00:00.000Z	33 \| good	6.095 \| good	27.297 \| good	26.06 \| good	2.73 \| good	5.07 \| good	0.2 \| good
2025-12-05T17:00:00.000Z	38 \| good	7.256 \| good	32.297 \| good	28.135 \| good	3.149 \| good	4.47 \| good	0.19 \| good
2025-12-05T18:00:00.000Z	49 \| good	9.258 \| good	41.416 \| good	29.812 \| good	3.569 \| good	3.87 \| good	0.18 \| good
2025-12-05T19:00:00.000Z	52 \| moderate	10.486 \| good	46.208 \| good	31.517 \| good	3.57 \| good	4.047 \| good	0.178 \| good
2025-12-05T20:00:00.000Z	54 \| moderate	11.332 \| good	50.068 \| good	32.547 \| good	3.571 \| good	4.223 \| good	0.176 \| good
2025-12-05T21:00:00.000Z	56 \| moderate	12.018 \| good	54.068 \| good	31.468 \| good	3.572 \| good	4.4 \| good	0.173 \| good
2025-12-05T22:00:00.000Z	56 \| moderate	12.28 \| fine	55.177 \| fine	27.208 \| good	3.361 \| good	6.032 \| good	0.188 \| good
2025-12-05T23:00:00.000Z	58 \| moderate	13.026 \| fine	59 \| fine	23.439 \| good	3.15 \| good	7.663 \| good	0.203 \| good
2025-12-06T00:00:00.000Z	60 \| moderate	13.553 \| fine	61 \| fine	20.862 \| good	2.122 \| good	7.329 \| good	0.204 \| good
2025-12-06T01:00:00.000Z	64 \| moderate	15.724 \| fine	69.553 \| fine	19.154 \| good	2.157 \| good	7.065 \| good	0.203 \| good
2025-12-06T02:00:00.000Z	67 \| moderate	17.69 \| fine	79 \| fine	16.138 \| good	2.192 \| good	6.802 \| good	0.203 \| good
2025-12-06T03:00:00.000Z	71 \| moderate	19.537 \| fine	86.485 \| fine	13.66 \| good	2.227 \| good	6.538 \| good	0.203 \| good
2025-12-06T04:00:00.000Z	73 \| moderate	20.811 \| fine	91.137 \| fine	12.589 \| good	2.492 \| good	6.535 \| good	0.203 \| good
2025-12-06T05:00:00.000Z	73 \| moderate	20.796 \| fine	91.137 \| fine	12.874 \| good	2.757 \| good	6.531 \| good	0.203 \| good
2025-12-06T06:00:00.000Z	73 \| moderate	21.221 \| fine	93.376 \| fine	12.334 \| good	3.022 \| good	6.527 \| good	0.203 \| good
2025-12-06T07:00:00.000Z	75 \| moderate	22.155 \| fine	97.239 \| fine	11.057 \| good	3.205 \| good	6.093 \| good	0.199 \| good
2025-12-06T08:00:00.000Z	75 \| moderate	21.79 \| fine	95 \| fine	9.928 \| good	3.389 \| good	5.659 \| good	0.195 \| good
2025-12-06T09:00:00.000Z	69 \| moderate	19.081 \| fine	84.686 \| fine	11.339 \| good	3.572 \| good	5.225 \| good	0.191 \| good
2025-12-06T10:00:00.000Z	64 \| moderate	16.404 \| fine	72.823 \| fine	12.547 \| good	3.571 \| good	4.941 \| good	0.189 \| good
2025-12-06T11:00:00.000Z	64 \| moderate	15.799 \| fine	70.584 \| fine	12.746 \| good	3.569 \| good	4.656 \| good	0.187 \| good
2025-12-06T12:00:00.000Z	62 \| moderate	15.125 \| fine	68.069 \| fine	15.255 \| good	3.563 \| good	3.628 \| good	0.191 \| good
2025-12-06T13:00:00.000Z	62 \| moderate	15.308 \| fine	68.205 \| fine	16.027 \| good	3.083 \| good	3.707 \| good	0.193 \| good
2025-12-06T14:00:00.000Z	60 \| moderate	13.894 \| fine	62.621 \| fine	18.604 \| good	2.604 \| good	3.787 \| good	0.195 \| good
2025-12-06T15:00:00.000Z	60 \| moderate	14.168 \| fine	63 \| fine	20.757 \| good	2.125 \| good	3.866 \| good	0.197 \| good
2025-12-06T16:00:00.000Z	60 \| moderate	14.38 \| fine	64.863 \| fine	21.696 \| good	1.724 \| good	3.624 \| good	0.199 \| good
2025-12-06T17:00:00.000Z	58 \| moderate	13.377 \| fine	60.863 \| fine	24.441 \| good	1.323 \| good	3.382 \| good	0.2 \| good
2025-12-06T18:00:00.000Z	58 \| moderate	13.33 \| fine	59.754 \| fine	26.958 \| good	0.922 \| good	3.14 \| good	0.202 \| good
2025-12-06T19:00:00.000Z	60 \| moderate	13.546 \| fine	61.04 \| fine	28.713 \| good	0.754 \| good	3.042 \| good	0.195 \| good
2025-12-06T20:00:00.000Z	58 \| moderate	13.345 \| fine	60.863 \| fine	29.69 \| good	0.587 \| good	2.944 \| good	0.187 \| good
2025-12-06T21:00:00.000Z	58 \| moderate	13.388 \| fine	60.863 \| fine	29.881 \| good	0.419 \| good	2.846 \| good	0.18 \| good
2025-12-06T22:00:00.000Z	60 \| moderate	14.034 \| fine	63 \| fine	27.566 \| good	0.411 \| good	3.419 \| good	0.185 \| good
2025-12-06T23:00:00.000Z	62 \| moderate	14.898 \| fine	67.28 \| fine	25.097 \| good	0.403 \| good	3.991 \| good	0.19 \| good
2025-12-07T00:00:00.000Z	60 \| moderate	13.912 \| fine	61.754 \| fine	24.763 \| good	0.483 \| good	6.764 \| good	0.234 \| good
2025-12-07T01:00:00.000Z	62 \| moderate	15.082 \| fine	67.416 \| fine	23.385 \| good	0.478 \| good	6.785 \| good	0.235 \| good
2025-12-07T02:00:00.000Z	64 \| moderate	15.924 \| fine	71 \| fine	21.215 \| good	0.473 \| good	6.806 \| good	0.237 \| good
2025-12-07T03:00:00.000Z	64 \| moderate	16.445 \| fine	73.04 \| fine	18.008 \| good	0.468 \| good	6.826 \| good	0.239 \| good
2025-12-07T04:00:00.000Z	66 \| moderate	16.561 \| fine	73.379 \| fine	17.343 \| good	0.462 \| good	6.592 \| good	0.236 \| good
2025-12-07T05:00:00.000Z	64 \| moderate	15.708 \| fine	69.795 \| fine	18.373 \| good	0.455 \| good	6.359 \| good	0.234 \| good
2025-12-07T06:00:00.000Z	64 \| moderate	15.542 \| fine	69.515 \| fine	18.187 \| good	0.449 \| good	6.125 \| good	0.231 \| good
2025-12-07T07:00:00.000Z	62 \| moderate	15.148 \| fine	67.754 \| fine	17.178 \| good	0.483 \| good	5.953 \| good	0.229 \| good
2025-12-07T08:00:00.000Z	62 \| moderate	14.766 \| fine	65.754 \| fine	16.837 \| good	0.516 \| good	5.781 \| good	0.226 \| good
2025-12-07T09:00:00.000Z	60 \| moderate	14.434 \| fine	64.863 \| fine	15.651 \| good	0.55 \| good	5.609 \| good	0.223 \| good
2025-12-07T10:00:00.000Z	60 \| moderate	14.26 \| fine	63.754 \| fine	16.508 \| good	0.696 \| good	5.956 \| good	0.225 \| good
2025-12-07T11:00:00.000Z	62 \| moderate	14.508 \| fine	65 \| fine	16.016 \| good	0.842 \| good	6.303 \| good	0.227 \| good
2025-12-07T12:00:00.000Z	62 \| moderate	14.508 \| fine	65 \| fine	16.016 \| good	0.842 \| good	6.303 \| good	0.227 \| good
2025-12-07T13:00:00.000Z	62 \| moderate	15.338 \| fine	68.816 \| fine	18.184 \| good	1.523 \| good	6.704 \| good	0.229 \| good
2025-12-07T14:00:00.000Z	64 \| moderate	15.592 \| fine	69.623 \| fine	20.267 \| good	2.059 \| good	6.765 \| good	0.23 \| good
2025-12-07T15:00:00.000Z	64 \| moderate	16.474 \| fine	73.083 \| fine	23.225 \| good	2.596 \| good	6.825 \| good	0.23 \| good
2025-12-07T16:00:00.000Z	64 \| moderate	16.436 \| fine	72.761 \| fine	26.265 \| good	2.615 \| good	6.946 \| good	0.231 \| good
2025-12-07T17:00:00.000Z	64 \| moderate	15.807 \| fine	70.691 \| fine	29.107 \| good	2.634 \| good	7.067 \| good	0.233 \| good
2025-12-07T18:00:00.000Z	64 \| moderate	16.083 \| fine	71 \| fine	29.398 \| good	2.653 \| good	7.187 \| good	0.234 \| good
2025-12-07T19:00:00.000Z	64 \| moderate	16.339 \| fine	72.931 \| fine	29.035 \| good	2.301 \| good	8.55 \| good	0.241 \| good
2025-12-07T20:00:00.000Z	66 \| moderate	16.834 \| fine	74.461 \| fine	27.978 \| good	1.949 \| good	9.912 \| good	0.249 \| good
2025-12-07T21:00:00.000Z	69 \| moderate	19.152 \| fine	84.723 \| fine	28.168 \| good	1.598 \| good	11.274 \| good	0.256 \| good
2025-12-07T22:00:00.000Z	62 \| moderate	14.515 \| fine	64.722 \| fine	27.796 \| good	1.377 \| good	9.843 \| good	0.237 \| good
2025-12-07T23:00:00.000Z	38 \| good	7.033 \| good	31.201 \| good	25.619 \| good	1.157 \| good	8.413 \| good	0.218 \| good
2025-12-08T00:00:00.000Z	25 \| good	3.746 \| good	16.123 \| good	27.135 \| good	0.937 \| good	6.982 \| good	0.198 \| good
2025-12-08T01:00:00.000Z	26 \| good	2.64 \| good	10.768 \| good	27.621 \| good	0.762 \| good	5.617 \| good	0.186 \| good
2025-12-08T02:00:00.000Z	26 \| good	1.645 \| good	6.774 \| good	27.801 \| good	0.588 \| good	4.252 \| good	0.174 \| good
2025-12-08T03:00:00.000Z	26 \| good	1.257 \| good	5.077 \| good	27.985 \| good	0.413 \| good	2.887 \| good	0.161 \| good
2025-12-08T04:00:00.000Z	24 \| good	1.512 \| good	6.212 \| good	25.834 \| good	0.349 \| good	2.505 \| good	0.155 \| good
2025-12-08T05:00:00.000Z	22 \| good	1.87 \| good	7.993 \| good	23.967 \| good	0.284 \| good	2.123 \| good	0.148 \| good
2025-12-08T06:00:00.000Z	21 \| good	2.159 \| good	8.574 \| good	23.215 \| good	0.22 \| good	1.74 \| good	0.141 \| good
2025-12-08T07:00:00.000Z	21 \| good	2.565 \| good	10.471 \| good	22.662 \| good	0.215 \| good	1.678 \| good	0.138 \| good
2025-12-08T08:00:00.000Z	21 \| good	2.375 \| good	9.874 \| good	23.164 \| good	0.21 \| good	1.615 \| good	0.136 \| good
2025-12-08T09:00:00.000Z	23 \| good	1.66 \| good	7.014 \| good	25.195 \| good	0.205 \| good	1.552 \| good	0.134 \| good
2025-12-08T10:00:00.000Z	24 \| good	1.504 \| good	6.04 \| good	26.051 \| good	0.226 \| good	1.761 \| good	0.136 \| good
2025-12-08T11:00:00.000Z	24 \| good	1.534 \| good	6.027 \| good	26.229 \| good	0.247 \| good	1.97 \| good	0.138 \| good
2025-12-08T12:00:00.000Z	23 \| good	1.633 \| good	6.822 \| good	24.723 \| good	0.267 \| good	2.179 \| good	0.14 \| good
2025-12-08T13:00:00.000Z	19 \| good	2.384 \| good	9.759 \| good	21.139 \| good	0.312 \| good	2.076 \| good	0.14 \| good
2025-12-08T14:00:00.000Z	20 \| good	2.48 \| good	10 \| good	22.044 \| good	0.356 \| good	1.974 \| good	0.14 \| good
2025-12-08T15:00:00.000Z	23 \| good	2.98 \| good	12 \| good	25.377 \| good	0.401 \| good	1.871 \| good	0.14 \| good
2025-12-08T16:00:00.000Z	25 \| good	3.324 \| good	14.702 \| good	26.756 \| good	0.467 \| good	1.747 \| good	0.138 \| good
2025-12-08T17:00:00.000Z	26 \| good	3.412 \| good	14.822 \| good	28.147 \| good	0.532 \| good	1.623 \| good	0.137 \| good
2025-12-08T18:00:00.000Z	27 \| good	3.648 \| good	16 \| good	28.869 \| good	0.598 \| good	1.498 \| good	0.136 \| good
2025-12-08T19:00:00.000Z	28 \| good	3.97 \| good	17.151 \| good	30.11 \| good	0.635 \| good	1.862 \| good	0.139 \| good
2025-12-08T20:00:00.000Z	28 \| good	3.698 \| good	16.095 \| good	30.303 \| good	0.673 \| good	2.225 \| good	0.141 \| good
2025-12-08T21:00:00.000Z	28 \| good	3.931 \| good	17.064 \| good	29.702 \| good	0.71 \| good	2.588 \| good	0.144 \| good
2025-12-08T22:00:00.000Z	24 \| good	4.27 \| good	18.809 \| good	26.048 \| good	0.818 \| good	6.226 \| good	0.178 \| good
2025-12-08T23:00:00.000Z	27 \| good	4.858 \| good	21.095 \| good	22.822 \| good	0.925 \| good	9.864 \| good	0.213 \| good
2025-12-09T00:00:00.000Z	27 \| good	4.858 \| good	21.064 \| good	21.907 \| good	1.033 \| good	13.501 \| good	0.247 \| good
2025-12-09T01:00:00.000Z	27 \| good	5.489 \| good	23.761 \| good	19.937 \| good	0.966 \| good	13.199 \| good	0.251 \| good
2025-12-09T02:00:00.000Z	33 \| good	6.397 \| good	28.642 \| good	17.148 \| good	0.9 \| good	12.897 \| good	0.254 \| good
2025-12-09T03:00:00.000Z	38 \| good	7.106 \| good	31.38 \| good	14.607 \| good	0.833 \| good	12.595 \| good	0.258 \| good
2025-12-09T04:00:00.000Z	38 \| good	6.994 \| good	31.041 \| good	13.36 \| good	0.746 \| good	10.467 \| good	0.239 \| good
2025-12-09T05:00:00.000Z	38 \| good	6.596 \| good	29.403 \| good	12.779 \| good	0.66 \| good	8.34 \| good	0.22 \| good
2025-12-09T06:00:00.000Z	38 \| good	6.967 \| good	7.507 \| good	29.787 \| good	0.568 \| good	6.206 \| good	0.201 \| good
2025-12-09T07:00:00.000Z	33 \| good	6.181 \| good	27.4 \| good	12.418 \| good	0.663 \| good	5.475 \| good	0.19 \| good
2025-12-09T08:00:00.000Z	33 \| good	6.18 \| good	27.471 \| good	12.513 \| good	0.753 \| good	4.737 \| good	0.179 \| good
2025-12-09T09:00:00.000Z	33 \| good	5.701 \| good	24.859 \| good	12.877 \| good	0.843 \| good	4 \| good	0.167 \| good
2025-12-09T10:00:00.000Z	33 \| good	5.502 \| good	23.636 \| good	15.956 \| good	1.963 \| good	3.935 \| good	0.165 \| good
2025-12-09T11:00:00.000Z	27 \| good	5.447 \| good	23.271 \| good	16.976 \| good	3.083 \| good	3.871 \| good	0.162 \| good
2025-12-09T12:00:00.000Z	33 \| good	6.273 \| good	6.37 \| good	32.334 \| good	4.207 \| good	3.806 \| good	0.159 \| good

Norwalk

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Norwalk, Ohio air quality map: Track AQI near you

0.21ppm

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 04:00:00 on 2025-12-07.

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 09:00:00 on 2025-12-06.

What is the current air quality in Norwalk, Ohio?

The current air quality in Norwalk, Ohio is 62, categorized as Moderate 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 14.508 μg/m³.

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

The current PM₁₀ concentration at Norwalk, Ohio is 65 μg/m³.

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

The current carbon monoxide (CO) concentration at Norwalk, Ohio is 0.227 ppm.

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

The current sulfur dioxide (SO₂) concentration at Norwalk, Ohio is 0.842 ppb.

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

The current ozone (O₃) concentration at Norwalk, Ohio is 16.016 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Norwalk, Ohio is 6.303 ppb.

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