What is the current level of PM10 in Norwalk, Iowa?

Norwalk, Iowa currently has a PM10 concentration of 19.711 μg/m3.

What is the current level of sulfur dioxide (SO2) in Norwalk, Iowa?

The current sulfur dioxide (SO2) concentration in Norwalk, Iowa is 0.827 ppb.

What is the current level of ozone (O3) in Norwalk, Iowa?

Norwalk, Iowa currently has an ozone (O3) concentration of 40.122 ppm.

What is the current level of nitrogen dioxide (NO2) in Norwalk, Iowa?

The current level of nitrogen dioxide (NO2) in Norwalk, Iowa is 4.604 ppb.

Current air quality index in Norwalk, Iowa today

Q: What is the PM2.5 concentration in Norwalk, Iowa right now?

Norwalk, Iowa currently has a PM2.5 concentration of 4.251 μg/m3.

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

Last updated: ... (Local time)

Common air pollutants in Norwalk, Iowa

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.11 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

18.48 μg/m³

155

255

425

605+

Ozone (O₃)

38.56 ppb

201

201+

Sulfur Dioxide (SO₂)

0.75 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.81 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, Iowa

Scroll To Air Quality Map

Track live Norwalk, Iowa air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-04T01:00:00.000Z	26 \| good	3.74 \| good	13.32 \| good	28.406 \| good	0.656 \| good	3.935 \| good	0.338 \| good
2026-10-04T02:00:00.000Z	31 \| good	4.054 \| good	22.021 \| good	34.38 \| good	0.651 \| good	1.969 \| good	0.402 \| good
2026-10-04T03:00:00.000Z	44 \| good	7.509 \| good	33.174 \| good	30.994 \| good	0.569 \| good	5.148 \| good	0.151 \| good
2026-10-04T04:00:00.000Z	28 \| good	3.636 \| good	25.665 \| good	29.819 \| good	0.645 \| good	4.679 \| good	0.556 \| good
2026-10-04T05:00:00.000Z	29 \| good	4.092 \| good	17.696 \| good	30.772 \| good	0.676 \| good	2.682 \| good	0.544 \| good
2026-10-04T06:00:00.000Z	25 \| good	3.677 \| good	16.648 \| good	26.788 \| good	0.718 \| good	2.127 \| good	0.538 \| good
2026-10-04T07:00:00.000Z	25 \| good	3.675 \| good	22.157 \| good	26.795 \| good	0.966 \| good	4.079 \| good	0.558 \| good
2026-10-04T08:00:00.000Z	22 \| good	4.167 \| good	19.211 \| good	22.145 \| good	0.861 \| good	2.845 \| good	0.362 \| good
2026-10-04T09:00:00.000Z	16 \| good	2.9 \| good	14.615 \| good	17.287 \| good	0.712 \| good	3.059 \| good	0.279 \| good
2026-10-04T10:00:00.000Z	21 \| good	2.468 \| good	15.159 \| good	22.798 \| good	1.032 \| good	2.574 \| good	0.259 \| good
2026-10-04T11:00:00.000Z	19 \| good	2.072 \| good	9.087 \| good	20.076 \| good	0.977 \| good	3.302 \| good	0.259 \| good
2026-10-04T12:00:00.000Z	19 \| good	2.897 \| good	12.097 \| good	21.391 \| good	0.972 \| good	3.845 \| good	0.279 \| good
2026-10-04T13:00:00.000Z	20 \| good	3.225 \| good	13.931 \| good	21.836 \| good	0.292 \| good	5.267 \| good	0.172 \| good
2026-10-04T14:00:00.000Z	22 \| good	3.755 \| good	19.75 \| good	19.573 \| good	0.905 \| good	6.286 \| good	0.234 \| good
2026-10-04T15:00:00.000Z	33 \| good	5.895 \| good	23.944 \| good	22.084 \| good	0.669 \| good	5.483 \| good	0.194 \| good
2026-10-04T16:00:00.000Z	38 \| good	6.532 \| good	29.13 \| good	24.974 \| good	0.853 \| good	5.051 \| good	0.194 \| good
2026-10-04T17:00:00.000Z	33 \| good	5.97 \| good	28.497 \| good	27.423 \| good	3.028 \| good	3.718 \| good	0.2 \| good
2026-10-04T18:00:00.000Z	33 \| good	5.802 \| good	26.65 \| good	29.802 \| good	0.637 \| good	2.555 \| good	0.137 \| good
2026-10-04T19:00:00.000Z	33 \| good	6.074 \| good	27.466 \| good	31.252 \| good	0.596 \| good	2.111 \| good	0.159 \| good
2026-10-04T20:00:00.000Z	31 \| good	4.469 \| good	20.368 \| good	33.07 \| good	0.596 \| good	1.894 \| good	0.159 \| good
2026-10-04T21:00:00.000Z	32 \| good	4.134 \| good	13.419 \| good	34.626 \| good	0.634 \| good	1.514 \| good	0.157 \| good
2026-10-04T22:00:00.000Z	34 \| good	2.705 \| good	9.97 \| good	37.264 \| good	0.96 \| good	1.423 \| good	0.157 \| good
2026-10-04T23:00:00.000Z	34 \| good	3.628 \| good	14.992 \| good	37.446 \| good	0.617 \| good	2.048 \| good	0.157 \| good
2026-10-05T00:00:00.000Z	31 \| good	4.056 \| good	16.119 \| good	34.304 \| good	0.578 \| good	5.576 \| good	0.199 \| good
2026-10-05T01:00:00.000Z	28 \| good	4.491 \| good	10.953 \| good	29.909 \| good	0.654 \| good	8.483 \| good	0.171 \| good
2026-10-05T02:00:00.000Z	52 \| moderate	10.444 \| good	54.498 \| good	25.738 \| good	0.58 \| good	14.044 \| good	0.423 \| good
2026-10-05T03:00:00.000Z	44 \| good	7.727 \| good	34.055 \| good	12.322 \| good	0.662 \| good	20.627 \| good	0.237 \| good
2026-10-05T04:00:00.000Z	52 \| moderate	9.969 \| good	36.75 \| good	13.117 \| good	0.805 \| good	21.184 \| good	0.461 \| good
2026-10-05T05:00:00.000Z	52 \| moderate	10.301 \| good	38.837 \| good	16.512 \| good	0.903 \| good	20.662 \| good	0.467 \| good
2026-10-05T06:00:00.000Z	52 \| moderate	10.03 \| good	38.647 \| good	16.893 \| good	0.828 \| good	16.541 \| good	0.454 \| good
2026-10-05T07:00:00.000Z	54 \| moderate	11.032 \| good	48.969 \| good	16.747 \| good	0.857 \| good	16.606 \| good	0.408 \| good
2026-10-05T08:00:00.000Z	54 \| moderate	11.076 \| good	30.061 \| good	16.885 \| good	0.741 \| good	15.389 \| good	0.345 \| good
2026-10-05T09:00:00.000Z	49 \| good	9.003 \| good	40.034 \| good	23.264 \| good	0.297 \| good	11.356 \| good	0.314 \| good
2026-10-05T10:00:00.000Z	44 \| good	7.699 \| good	32.897 \| good	11.154 \| good	0.631 \| good	11.71 \| good	0.346 \| good
2026-10-05T11:00:00.000Z	38 \| good	6.888 \| good	28.969 \| good	11.857 \| good	0.809 \| good	9.449 \| good	0.428 \| good
2026-10-05T12:00:00.000Z	27 \| good	5.095 \| good	29.197 \| good	8.468 \| good	0.687 \| good	10.352 \| good	0.481 \| good
2026-10-05T13:00:00.000Z	22 \| good	4.365 \| good	17.858 \| good	9.579 \| good	0.772 \| good	13.316 \| good	0.514 \| good
2026-10-05T14:00:00.000Z	22 \| good	4.095 \| good	19.372 \| good	10.586 \| good	0.956 \| good	11.372 \| good	0.641 \| good
2026-10-05T15:00:00.000Z	48 \| good	5.984 \| good	51.706 \| good	13.557 \| good	0.917 \| good	14.494 \| good	0.576 \| good
2026-10-05T16:00:00.000Z	52 \| moderate	10.055 \| good	55.348 \| fine	14.758 \| good	0.888 \| good	11.605 \| good	0.299 \| good
2026-10-05T17:00:00.000Z	49 \| good	9.222 \| good	42.453 \| good	22.426 \| good	1.736 \| good	10.353 \| good	0.237 \| good
2026-10-05T18:00:00.000Z	44 \| good	7.596 \| good	28.037 \| good	26.542 \| good	1.905 \| good	7.462 \| good	0.237 \| good
2026-10-05T19:00:00.000Z	38 \| good	7.095 \| good	32.655 \| good	33.569 \| good	0.885 \| good	3.588 \| good	0.219 \| good
2026-10-05T20:00:00.000Z	34 \| good	4.686 \| good	25.293 \| good	37.188 \| good	0.648 \| good	4.181 \| good	0.213 \| good
2026-10-05T21:00:00.000Z	37 \| good	4.679 \| good	22.876 \| good	40.32 \| good	0.775 \| good	4.377 \| good	0.212 \| good
2026-10-05T22:00:00.000Z	37 \| good	4.251 \| good	19.711 \| good	40.122 \| good	0.827 \| good	4.604 \| good	0.232 \| good
2026-10-05T23:00:00.000Z	36 \| good	4.106 \| good	18.485 \| good	38.557 \| good	0.754 \| good	5.81 \| good	0.27 \| good
2026-10-06T00:00:00.000Z	36 \| good	4.106 \| good	18.485 \| good	38.557 \| good	0.754 \| good	5.81 \| good	0.27 \| good
2026-10-06T00:00:00.000Z	27 \| good	5.09 \| good	22.061 \| good	19.199 \| good	0.369 \| good	5.166 \| good	0.187 \| good
2026-10-06T01:00:00.000Z	18 \| good	2.479 \| good	10.141 \| good	18.803 \| good	0.379 \| good	6.237 \| good	0.19 \| good
2026-10-06T02:00:00.000Z	27 \| good	4.575 \| good	20.073 \| good	26.839 \| good	0.384 \| good	6.024 \| good	0.187 \| good
2026-10-06T03:00:00.000Z	22 \| good	3.928 \| good	17.144 \| good	21.059 \| good	0.388 \| good	5.436 \| good	0.184 \| good
2026-10-06T04:00:00.000Z	18 \| good	2.399 \| good	10.001 \| good	19.157 \| good	0.403 \| good	4.947 \| good	0.181 \| good
2026-10-06T05:00:00.000Z	20 \| good	2.246 \| good	9.176 \| good	21.656 \| good	0.422 \| good	4.273 \| good	0.178 \| good
2026-10-06T06:00:00.000Z	23 \| good	0.126 \| good	0.017 \| good	24.57 \| good	0.447 \| good	3.397 \| good	0.174 \| good
2026-10-06T07:00:00.000Z	26 \| good	2.338 \| good	10 \| good	27.675 \| good	0.493 \| good	3.009 \| good	0.172 \| good
2026-10-06T08:00:00.000Z	26 \| good	3.344 \| good	14.946 \| good	27.556 \| good	0.55 \| good	2.892 \| good	0.17 \| good
2026-10-06T09:00:00.000Z	24 \| good	3.01 \| good	12.041 \| good	26.455 \| good	0.613 \| good	2.892 \| good	0.169 \| good
2026-10-06T10:00:00.000Z	27 \| good	4.517 \| good	19.93 \| good	27.67 \| good	0.669 \| good	2.885 \| good	0.169 \| good
2026-10-06T11:00:00.000Z	25 \| good	2.719 \| good	11 \| good	26.534 \| good	0.7 \| good	2.883 \| good	0.168 \| good
2026-10-06T12:00:00.000Z	25 \| good	1.765 \| good	7.115 \| good	26.661 \| good	0.7 \| good	3.025 \| good	0.168 \| good
2026-10-06T13:00:00.000Z	24 \| good	1.62 \| good	6.983 \| good	25.857 \| good	0.689 \| good	3.538 \| good	0.171 \| good
2026-10-06T14:00:00.000Z	27 \| good	2.354 \| good	9.906 \| good	28.74 \| good	0.655 \| good	3.429 \| good	0.176 \| good
2026-10-06T15:00:00.000Z	29 \| good	4.758 \| good	20.937 \| good	31.205 \| good	0.677 \| good	2.757 \| good	0.177 \| good
2026-10-06T16:00:00.000Z	32 \| good	5.15 \| good	22 \| good	34.58 \| good	0.691 \| good	2.111 \| good	0.175 \| good
2026-10-06T17:00:00.000Z	36 \| good	4.904 \| good	21 \| good	38.926 \| good	0.638 \| good	1.508 \| good	0.169 \| good
2026-10-06T18:00:00.000Z	38 \| good	7.404 \| good	32.93 \| good	38.587 \| good	0.516 \| good	1.021 \| good	0.16 \| good
2026-10-06T19:00:00.000Z	37 \| good	6.012 \| good	26.893 \| good	39.518 \| good	0.428 \| good	0.814 \| good	0.154 \| good
2026-10-06T20:00:00.000Z	38 \| good	7.235 \| good	32 \| good	39.019 \| good	0.384 \| good	0.782 \| good	0.15 \| good
2026-10-06T21:00:00.000Z	38 \| good	7.484 \| good	32.967 \| good	37.589 \| good	0.364 \| good	0.84 \| good	0.149 \| good
2026-10-06T22:00:00.000Z	38 \| good	6.656 \| good	29.93 \| good	40.245 \| good	0.354 \| good	1.209 \| good	0.15 \| good
2026-10-06T23:00:00.000Z	37 \| good	6.345 \| good	28.046 \| good	39.567 \| good	0.353 \| good	2.173 \| good	0.154 \| good
2026-10-07T00:00:00.000Z	33 \| good	5.908 \| good	25.458 \| good	27.751 \| good	0.366 \| good	3.948 \| good	0.161 \| good
2026-10-07T01:00:00.000Z	33 \| good	5.988 \| good	26.893 \| good	33.284 \| good	0.383 \| good	5.425 \| good	0.166 \| good
2026-10-07T02:00:00.000Z	49 \| good	9.124 \| good	41.042 \| good	28.363 \| good	0.392 \| good	6.09 \| good	0.167 \| good
2026-10-07T03:00:00.000Z	44 \| good	7.917 \| good	34.983 \| good	28.367 \| good	0.393 \| good	6.137 \| good	0.166 \| good
2026-10-07T04:00:00.000Z	33 \| good	5.965 \| good	27 \| good	24.09 \| good	0.397 \| good	6.4 \| good	0.166 \| good
2026-10-07T05:00:00.000Z	27 \| good	5.085 \| good	22 \| good	25.555 \| good	0.397 \| good	6.62 \| good	0.168 \| good
2026-10-07T06:00:00.000Z	33 \| good	6.034 \| good	26.902 \| good	23.095 \| good	0.388 \| good	6.382 \| good	0.168 \| good
2026-10-07T07:00:00.000Z	33 \| good	5.592 \| good	24.093 \| good	22.623 \| good	0.384 \| good	6.478 \| good	0.169 \| good
2026-10-07T08:00:00.000Z	19 \| good	3.307 \| good	14.234 \| good	20.908 \| good	0.38 \| good	6.711 \| good	0.169 \| good
2026-10-07T09:00:00.000Z	27 \| good	4.894 \| good	21.212 \| good	19.253 \| good	0.373 \| good	7.082 \| good	0.171 \| good
2026-10-07T10:00:00.000Z	27 \| good	5.015 \| good	21.896 \| good	13.273 \| good	0.363 \| good	7.649 \| good	0.173 \| good
2026-10-07T11:00:00.000Z	16 \| good	3.21 \| good	13.888 \| good	10.387 \| good	0.355 \| good	8.544 \| good	0.177 \| good
2026-10-07T12:00:00.000Z	22 \| good	3.842 \| good	16.948 \| good	12.288 \| good	0.346 \| good	10.282 \| good	0.185 \| good
2026-10-07T13:00:00.000Z	27 \| good	5.004 \| good	21.879 \| good	14.409 \| good	0.335 \| good	9.36 \| good	0.204 \| good
2026-10-07T14:00:00.000Z	44 \| good	7.801 \| good	34.024 \| good	17.856 \| good	0.32 \| good	6.48 \| good	0.208 \| good
2026-10-07T15:00:00.000Z	38 \| good	6.953 \| good	30.922 \| good	26.275 \| good	0.349 \| good	5.559 \| good	0.207 \| good
2026-10-07T16:00:00.000Z	44 \| good	8.081 \| good	35.678 \| good	34.053 \| good	0.434 \| good	4.873 \| good	0.187 \| good
2026-10-07T17:00:00.000Z	34 \| good	4.425 \| good	18.961 \| good	37.07 \| good	0.522 \| good	3.842 \| good	0.172 \| good
2026-10-07T18:00:00.000Z	38 \| good	3.673 \| good	16.051 \| good	40.58 \| good	0.535 \| good	2.525 \| good	0.158 \| good
2026-10-07T19:00:00.000Z	38 \| good	2.137 \| good	8.8 \| good	41.123 \| good	0.478 \| good	1.649 \| good	0.15 \| good
2026-10-07T20:00:00.000Z	36 \| good	2.301 \| good	9.759 \| good	39.271 \| good	0.424 \| good	1.32 \| good	0.147 \| good
2026-10-07T21:00:00.000Z	37 \| good	2.452 \| good	9.983 \| good	39.992 \| good	0.381 \| good	1.207 \| good	0.144 \| good
2026-10-07T22:00:00.000Z	37 \| good	1.484 \| good	6.145 \| good	39.698 \| good	0.362 \| good	1.499 \| good	0.143 \| good
2026-10-07T23:00:00.000Z	27 \| good	5.008 \| good	21.537 \| good	27.662 \| good	0.354 \| good	3.068 \| good	0.148 \| good

Norwalk

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Norwalk, Iowa

0.23ppm

How accurate is Iowa, USA air quality data?

The air quality data for Iowa, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.

Source: Ambee Data Sources

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Frequently asked questions

How frequently does the air quality data for Norwalk, Iowa get updated?

Air quality updates for Norwalk, Iowa are available every hour.

What time in the past 24 hours saw the poorest air quality in Norwalk, Iowa?

Norwalk, Iowa experienced its worst air quality at 08:00:00, 2026-10-05.

When was air quality in Norwalk, Iowa the best over the past 24 hours?

The best air quality in Norwalk, Iowa was observed at 02:00:00 on 2026-10-05.

What is the air quality in Norwalk, Iowa right now?

The air quality in Norwalk, Iowa right now is Good, with an AQI of 37.

What pollutant is most frequently found in Norwalk, Iowa?

In Norwalk, Iowa, O3 is the most frequently found pollutant.

What can I do if the air quality in Norwalk, Iowa is poor?

When air quality in Norwalk, Iowa is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in Norwalk, Iowa right now?

Norwalk, Iowa currently has a PM_2.5 concentration of 4.251 μg/m³.

What is the current level of PM₁₀ in Norwalk, Iowa?

Norwalk, Iowa currently has a PM₁₀ concentration of 19.711 μg/m³.

What is the current level of carbon monoxide (CO) in Norwalk, Iowa?

The current carbon monoxide (CO) level in Norwalk, Iowa is 0.232 ppm.

What is the current level of sulfur dioxide (SO₂) in Norwalk, Iowa?

The current sulfur dioxide (SO₂) concentration in Norwalk, Iowa is 0.827 ppb.

What is the current level of ozone (O₃) in Norwalk, Iowa?

Norwalk, Iowa currently has an ozone (O₃) concentration of 40.122 ppm.

What is the current level of nitrogen dioxide (NO₂) in Norwalk, Iowa?

The current level of nitrogen dioxide (NO₂) in Norwalk, Iowa is 4.604 ppb.

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