What is the current concentration of PM10 in Hazelwood, Missouri?

The current PM10 concentration at Hazelwood, Missouri is 40.12 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Hazelwood, Missouri?

The current sulfur dioxide (SO2) concentration at Hazelwood, Missouri is 1.121 ppb.

What is the current concentration of ozone (O3) in Hazelwood, Missouri?

The current ozone (O3) concentration at Hazelwood, Missouri is 45.908 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Hazelwood, Missouri?

The current nitrogen dioxide (NO2) concentration at Hazelwood, Missouri is 11.016 ppb.

Hazelwood, Missouri live air quality index now

Q: What is the current concentration of PM2.5 in Hazelwood, Missouri?

The current PM2.5 concentration at Hazelwood, Missouri is 9.252 μg/m3.

Stay updated with real-time air quality in Hazelwood, Missouri 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

Hazelwood, Missouri

Last updated: ... (Local time)

Major air pollutants in Hazelwood, Missouri

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

9.25 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

40.12 μg/m³

155

255

425

605+

Ozone (O₃)

45.91 ppb

201

201+

Sulfur Dioxide (SO₂)

1.12 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

11.02 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.27 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

Hazelwood, Missouri

Get Live Pollen Counts

Hazelwood, Missouri

Scroll To Air Quality Map

Track live Hazelwood, Missouri air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-21T01:00:00.000Z	51 \| moderate	7.669 \| good	54.809 \| good	37.172 \| good	0.728 \| good	36.853 \| good	0.64 \| good
2026-10-21T02:00:00.000Z	56 \| moderate	11.6 \| good	51.151 \| good	34.74 \| good	0.988 \| good	35.521 \| good	0.65 \| good
2026-10-21T03:00:00.000Z	71 \| moderate	19.546 \| fine	86.892 \| fine	8.586 \| good	1.669 \| good	39.051 \| good	0.35 \| good
2026-10-21T04:00:00.000Z	58 \| moderate	13.336 \| fine	65.412 \| fine	24.718 \| good	1.154 \| good	39.402 \| good	0.643 \| good
2026-10-21T05:00:00.000Z	64 \| moderate	16.047 \| fine	59.006 \| fine	19.383 \| good	0.977 \| good	31.413 \| good	0.824 \| good
2026-10-21T06:00:00.000Z	64 \| moderate	15.626 \| fine	37.914 \| good	19.25 \| good	1.077 \| good	30.83 \| good	0.964 \| good
2026-10-21T07:00:00.000Z	62 \| moderate	15.241 \| fine	44.699 \| good	14.409 \| good	1.076 \| good	30.861 \| good	0.964 \| good
2026-10-21T08:00:00.000Z	62 \| moderate	14.752 \| fine	53.321 \| good	15.771 \| good	1.076 \| good	30.636 \| good	0.964 \| good
2026-10-21T09:00:00.000Z	60 \| moderate	13.871 \| fine	51.665 \| good	9.062 \| good	1.061 \| good	27.619 \| good	0.842 \| good
2026-10-21T10:00:00.000Z	60 \| moderate	13.836 \| fine	63.098 \| fine	9.73 \| good	0.609 \| good	27.316 \| good	0.818 \| good
2026-10-21T11:00:00.000Z	64 \| moderate	15.606 \| fine	48.815 \| good	6.974 \| good	1.157 \| good	24.423 \| good	0.784 \| good
2026-10-21T12:00:00.000Z	54 \| moderate	10.745 \| good	49.963 \| good	5.046 \| good	1.177 \| good	21.359 \| good	0.879 \| good
2026-10-21T13:00:00.000Z	60 \| moderate	13.853 \| fine	56.859 \| fine	6.024 \| good	1.175 \| good	20.952 \| good	0.882 \| good
2026-10-21T14:00:00.000Z	68 \| moderate	13.14 \| fine	89.888 \| fine	8.81 \| good	2.068 \| good	25.161 \| good	1.03 \| good
2026-10-21T15:00:00.000Z	60 \| moderate	14.213 \| fine	52.328 \| good	11.763 \| good	1.897 \| good	28.825 \| good	0.742 \| good
2026-10-21T16:00:00.000Z	58 \| moderate	13.042 \| fine	58.809 \| fine	13.705 \| good	1.091 \| good	20.751 \| good	0.537 \| good
2026-10-21T17:00:00.000Z	56 \| moderate	11.759 \| good	48.932 \| good	27.17 \| good	1.225 \| good	18.254 \| good	0.418 \| good
2026-10-21T18:00:00.000Z	49 \| good	9.339 \| good	43.14 \| good	35.519 \| good	2.73 \| good	16.025 \| good	0.295 \| good
2026-10-21T19:00:00.000Z	54 \| moderate	11.209 \| good	44.702 \| good	43.301 \| good	2.263 \| good	11.741 \| good	0.312 \| good
2026-10-21T20:00:00.000Z	44 \| good	8.262 \| good	38.524 \| good	47.252 \| good	1.036 \| good	12.703 \| good	0.258 \| good
2026-10-21T21:00:00.000Z	49 \| good	8.505 \| good	35.318 \| good	51.431 \| good	1.105 \| good	16.557 \| good	0.256 \| good
2026-10-21T22:00:00.000Z	46 \| good	7.56 \| good	29.202 \| good	50.357 \| good	0.828 \| good	15.569 \| good	0.233 \| good
2026-10-21T23:00:00.000Z	45 \| good	7.461 \| good	35.579 \| good	49.116 \| good	0.813 \| good	5.35 \| good	0.233 \| good
2026-10-22T00:00:00.000Z	44 \| good	7.51 \| good	27.081 \| good	46.313 \| good	0.711 \| good	15.686 \| good	0.292 \| good
2026-10-22T01:00:00.000Z	44 \| good	7.785 \| good	28.271 \| good	44.66 \| good	1.066 \| good	40.845 \| good	0.64 \| good
2026-10-22T02:00:00.000Z	52 \| moderate	10.138 \| good	31.078 \| good	38.203 \| good	0.793 \| good	31.058 \| good	0.69 \| good
2026-10-22T03:00:00.000Z	66 \| moderate	17.268 \| fine	76.936 \| fine	16.441 \| good	3.945 \| good	57.523 \| fine	0.613 \| good
2026-10-22T04:00:00.000Z	58 \| moderate	12.587 \| fine	57.498 \| fine	19.364 \| good	1.258 \| good	36.734 \| good	0.937 \| good
2026-10-22T05:00:00.000Z	62 \| moderate	14.605 \| fine	47.977 \| good	21.445 \| good	0.886 \| good	30.229 \| good	0.975 \| good
2026-10-22T06:00:00.000Z	64 \| moderate	16.189 \| fine	68.711 \| fine	19.353 \| good	0.62 \| good	25.314 \| good	0.897 \| good
2026-10-22T07:00:00.000Z	66 \| moderate	16.873 \| fine	43.48 \| good	11.7 \| good	0.622 \| good	25.295 \| good	0.897 \| good
2026-10-22T08:00:00.000Z	52 \| moderate	9.744 \| good	54.789 \| good	21.383 \| good	0.623 \| good	25.704 \| good	0.863 \| good
2026-10-22T09:00:00.000Z	49 \| good	9.242 \| good	43.775 \| good	9.773 \| good	0.455 \| good	14.5 \| good	0.792 \| good
2026-10-22T10:00:00.000Z	52 \| moderate	10.062 \| good	55.844 \| fine	10.755 \| good	0.544 \| good	12.989 \| good	0.698 \| good
2026-10-22T11:00:00.000Z	55 \| moderate	11.433 \| good	63.058 \| fine	7.389 \| good	0.614 \| good	14.975 \| good	0.723 \| good
2026-10-22T12:00:00.000Z	56 \| moderate	12.012 \| good	59.458 \| fine	8.714 \| good	0.875 \| good	16.208 \| good	0.783 \| good
2026-10-22T13:00:00.000Z	58 \| moderate	13.078 \| fine	65.49 \| fine	7.081 \| good	0.874 \| good	16.497 \| good	0.763 \| good
2026-10-22T14:00:00.000Z	54 \| moderate	11.211 \| good	55.25 \| fine	11.362 \| good	0.966 \| good	17.179 \| good	0.868 \| good
2026-10-22T15:00:00.000Z	55 \| moderate	11.206 \| good	62.65 \| fine	12.75 \| good	1.18 \| good	18.637 \| good	0.761 \| good
2026-10-22T16:00:00.000Z	69 \| moderate	18.947 \| fine	86.192 \| fine	13.45 \| good	1.157 \| good	18.06 \| good	0.718 \| good
2026-10-22T17:00:00.000Z	60 \| moderate	13.825 \| fine	55.222 \| fine	28.403 \| good	1.488 \| good	13.486 \| good	0.537 \| good
2026-10-22T18:00:00.000Z	60 \| moderate	13.722 \| fine	49.97 \| good	35.291 \| good	1.778 \| good	9.868 \| good	0.475 \| good
2026-10-22T19:00:00.000Z	52 \| moderate	10.404 \| good	56.512 \| fine	35.271 \| good	1.502 \| good	8.103 \| good	0.366 \| good
2026-10-22T20:00:00.000Z	45 \| good	8.118 \| good	34.307 \| good	48.956 \| good	1.125 \| good	6.798 \| good	0.196 \| good
2026-10-22T21:00:00.000Z	49 \| good	7.474 \| good	41.771 \| good	52.552 \| good	0.988 \| good	3.671 \| good	0.196 \| good
2026-10-22T22:00:00.000Z	49 \| good	7.134 \| good	26.916 \| good	52.979 \| good	0.983 \| good	2.781 \| good	0.196 \| good
2026-10-22T23:00:00.000Z	49 \| good	8.887 \| good	34.08 \| good	52.499 \| good	1.076 \| good	2.722 \| good	0.196 \| good
2026-10-23T00:00:00.000Z	52 \| moderate	10.117 \| good	42.057 \| good	47.241 \| good	0.963 \| good	12.338 \| good	0.274 \| good
2026-10-23T00:00:00.000Z	49 \| good	9.252 \| good	40.12 \| good	45.908 \| good	1.121 \| good	11.016 \| good	0.271 \| good
2026-10-23T01:00:00.000Z	62 \| moderate	15.164 \| fine	67.131 \| fine	27.65 \| good	2.691 \| good	53.604 \| good	0.458 \| good
2026-10-23T02:00:00.000Z	64 \| moderate	16.075 \| fine	71.069 \| fine	26.571 \| good	2.773 \| good	55.669 \| fine	0.52 \| good
2026-10-23T03:00:00.000Z	64 \| moderate	15.879 \| fine	70.442 \| fine	19.58 \| good	2.748 \| good	54.102 \| fine	0.558 \| good
2026-10-23T04:00:00.000Z	60 \| moderate	13.957 \| fine	62.482 \| fine	13.509 \| good	2.679 \| good	52.385 \| good	0.577 \| good
2026-10-23T05:00:00.000Z	58 \| moderate	12.685 \| fine	57.19 \| fine	12.607 \| good	2.448 \| good	49.675 \| good	0.573 \| good
2026-10-23T06:00:00.000Z	58 \| moderate	12.976 \| fine	58.622 \| fine	13.215 \| good	2.067 \| good	45.708 \| good	0.526 \| good
2026-10-23T07:00:00.000Z	58 \| moderate	12.63 \| fine	57.252 \| fine	11.904 \| good	1.735 \| good	42.113 \| good	0.46 \| good
2026-10-23T08:00:00.000Z	60 \| moderate	13.523 \| fine	60.925 \| fine	11.688 \| good	1.465 \| good	36.278 \| good	0.398 \| good
2026-10-23T09:00:00.000Z	60 \| moderate	13.991 \| fine	62.993 \| fine	10.318 \| good	1.273 \| good	28.016 \| good	0.351 \| good
2026-10-23T10:00:00.000Z	62 \| moderate	14.623 \| fine	65.319 \| fine	9.72 \| good	1.155 \| good	23.166 \| good	0.324 \| good
2026-10-23T11:00:00.000Z	64 \| moderate	16.13 \| fine	71.319 \| fine	6.37 \| good	1.107 \| good	21.097 \| good	0.311 \| good
2026-10-23T12:00:00.000Z	66 \| moderate	16.698 \| fine	74.227 \| fine	2.92 \| good	1.147 \| good	22.46 \| good	0.314 \| good
2026-10-23T13:00:00.000Z	69 \| moderate	18.974 \| fine	84.209 \| fine	9.924 \| good	1.254 \| good	22.715 \| good	0.341 \| good
2026-10-23T14:00:00.000Z	71 \| moderate	20.465 \| fine	90.066 \| fine	21.34 \| good	1.334 \| good	17.92 \| good	0.346 \| good
2026-10-23T15:00:00.000Z	66 \| moderate	17.244 \| fine	76.248 \| fine	29.619 \| good	1.602 \| good	13.866 \| good	0.305 \| good
2026-10-23T16:00:00.000Z	60 \| moderate	14.317 \| fine	64.764 \| fine	40.686 \| good	1.918 \| good	10.112 \| good	0.263 \| good
2026-10-23T17:00:00.000Z	54 \| moderate	10.593 \| good	46.929 \| good	47.877 \| good	2.195 \| good	6.835 \| good	0.228 \| good
2026-10-23T18:00:00.000Z	52 \| moderate	10.155 \| good	45.19 \| good	50.946 \| good	2.058 \| good	3.666 \| good	0.196 \| good
2026-10-23T19:00:00.000Z	54 \| moderate	10.746 \| good	47.841 \| good	52.902 \| good	1.861 \| good	2.657 \| good	0.187 \| good
2026-10-23T20:00:00.000Z	54 \| moderate	10.709 \| good	47.175 \| good	54.238 \| good	1.736 \| good	2.333 \| good	0.184 \| good
2026-10-23T21:00:00.000Z	52 \| moderate	10.019 \| good	44.314 \| good	55.093 \| fine	1.681 \| good	2.473 \| good	0.184 \| good
2026-10-23T22:00:00.000Z	56 \| moderate	11.578 \| good	51.389 \| good	49.081 \| good	1.642 \| good	3.411 \| good	0.189 \| good
2026-10-23T23:00:00.000Z	62 \| moderate	14.753 \| fine	65.865 \| fine	35.15 \| good	1.572 \| good	9.014 \| good	0.221 \| good
2026-10-24T00:00:00.000Z	64 \| moderate	15.568 \| fine	68.874 \| fine	33.422 \| good	1.523 \| good	14.228 \| good	0.25 \| good
2026-10-24T01:00:00.000Z	60 \| moderate	13.776 \| fine	61.717 \| fine	31.005 \| good	1.46 \| good	14.723 \| good	0.249 \| good
2026-10-24T02:00:00.000Z	58 \| moderate	13.35 \| fine	60.22 \| fine	34.555 \| good	1.41 \| good	14.124 \| good	0.243 \| good
2026-10-24T03:00:00.000Z	62 \| moderate	14.677 \| fine	65.743 \| fine	31.661 \| good	1.377 \| good	12.881 \| good	0.237 \| good
2026-10-24T04:00:00.000Z	62 \| moderate	14.782 \| fine	65.817 \| fine	29.797 \| good	1.36 \| good	11.669 \| good	0.232 \| good
2026-10-24T05:00:00.000Z	60 \| moderate	13.759 \| fine	61.738 \| fine	27.819 \| good	1.336 \| good	10.259 \| good	0.229 \| good
2026-10-24T06:00:00.000Z	60 \| moderate	13.896 \| fine	61.985 \| fine	25.809 \| good	1.304 \| good	8.955 \| good	0.226 \| good
2026-10-24T07:00:00.000Z	56 \| moderate	12.057 \| good	53.858 \| good	21.662 \| good	1.276 \| good	8.373 \| good	0.225 \| good
2026-10-24T08:00:00.000Z	56 \| moderate	11.539 \| good	51.031 \| good	20.943 \| good	1.245 \| good	8.339 \| good	0.227 \| good
2026-10-24T09:00:00.000Z	54 \| moderate	11.244 \| good	49.859 \| good	18.88 \| good	1.213 \| good	8.796 \| good	0.23 \| good
2026-10-24T10:00:00.000Z	54 \| moderate	11.241 \| good	49.794 \| good	13.118 \| good	1.195 \| good	9.396 \| good	0.235 \| good
2026-10-24T11:00:00.000Z	56 \| moderate	12.067 \| good	54.265 \| good	10.504 \| good	1.198 \| good	10.141 \| good	0.239 \| good
2026-10-24T12:00:00.000Z	52 \| moderate	9.941 \| good	44.056 \| good	7.453 \| good	1.236 \| good	12.362 \| good	0.248 \| good
2026-10-24T13:00:00.000Z	54 \| moderate	11.348 \| good	50.109 \| good	13.339 \| good	1.3 \| good	14.683 \| good	0.267 \| good
2026-10-24T14:00:00.000Z	60 \| moderate	13.979 \| fine	63.128 \| fine	22.937 \| good	1.369 \| good	12.415 \| good	0.277 \| good
2026-10-24T15:00:00.000Z	54 \| moderate	11.33 \| good	49.914 \| good	30.556 \| good	1.557 \| good	9.489 \| good	0.256 \| good
2026-10-24T16:00:00.000Z	49 \| good	9.44 \| good	42.412 \| good	37.985 \| good	1.735 \| good	7.576 \| good	0.239 \| good
2026-10-24T17:00:00.000Z	40 \| good	6.545 \| good	29 \| good	42.719 \| good	1.843 \| good	5.562 \| good	0.217 \| good
2026-10-24T18:00:00.000Z	43 \| good	6.034 \| good	26.264 \| good	46.453 \| good	1.783 \| good	3.936 \| good	0.199 \| good
2026-10-24T19:00:00.000Z	46 \| good	8.116 \| good	35.52 \| good	50.206 \| good	1.734 \| good	2.923 \| good	0.186 \| good
2026-10-24T20:00:00.000Z	47 \| good	6.935 \| good	30.7 \| good	51.084 \| good	1.633 \| good	2.636 \| good	0.18 \| good
2026-10-24T21:00:00.000Z	47 \| good	6.532 \| good	29.286 \| good	50.515 \| good	1.534 \| good	2.692 \| good	0.179 \| good
2026-10-24T22:00:00.000Z	49 \| good	8.703 \| good	38.391 \| good	45.575 \| good	1.475 \| good	3.725 \| good	0.183 \| good
2026-10-24T23:00:00.000Z	54 \| moderate	10.958 \| good	48.691 \| good	36.445 \| good	1.403 \| good	9.695 \| good	0.215 \| good
2026-10-25T00:00:00.000Z	58 \| moderate	13.35 \| fine	60.236 \| fine	33.487 \| good	1.34 \| good	14.737 \| good	0.24 \| good

Hazelwood

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Hazelwood, Missouri air quality map: Track AQI near you

0.20ppm

How accurate is Missouri, USA air quality data?

Air quality data and pollutant measurements for Missouri, 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 Hazelwood, Missouri updated?

The air quality for Hazelwood, Missouri is updated every hour.

When was the worst air quality at Hazelwood, Missouri in the last 24 hrs?

The worst air quality in Hazelwood, Missouri in the last 24 hours was observed at 04:00:00 on 2026-10-22.

When was the best air quality at Hazelwood, Missouri in the last 24 hrs?

In the last 24 hrs, the best air quality in Hazelwood, Missouri was observed at 01:00:00 on 2026-10-22.

What is the current air quality in Hazelwood, Missouri?

The current air quality in Hazelwood, Missouri is 49, categorized as Good based on real-time data.

What pollutant is the most common in Hazelwood, Missouri?

The most common pollutant in Hazelwood, Missouri is PM2.5.

What should I do if the air quality in Hazelwood, Missouri is poor?

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

What is the current concentration of PM_2.5 in Hazelwood, Missouri?

The current PM_2.5 concentration at Hazelwood, Missouri is 9.252 μg/m³.

What is the current concentration of PM₁₀ in Hazelwood, Missouri?

The current PM₁₀ concentration at Hazelwood, Missouri is 40.12 μg/m³.

What is the current concentration of carbon monoxide (CO) in Hazelwood, Missouri?

The current carbon monoxide (CO) concentration at Hazelwood, Missouri is 0.271 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Hazelwood, Missouri?

The current sulfur dioxide (SO₂) concentration at Hazelwood, Missouri is 1.121 ppb.

What is the current concentration of ozone (O₃) in Hazelwood, Missouri?

The current ozone (O₃) concentration at Hazelwood, Missouri is 45.908 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Hazelwood, Missouri?

The current nitrogen dioxide (NO₂) concentration at Hazelwood, Missouri is 11.016 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-21T01:00:00.000Z	51 \| moderate	7.669 \| good	54.809 \| good	37.172 \| good	0.728 \| good	36.853 \| good	0.64 \| good
2026-10-21T02:00:00.000Z	56 \| moderate	11.6 \| good	51.151 \| good	34.74 \| good	0.988 \| good	35.521 \| good	0.65 \| good
2026-10-21T03:00:00.000Z	71 \| moderate	19.546 \| fine	86.892 \| fine	8.586 \| good	1.669 \| good	39.051 \| good	0.35 \| good
2026-10-21T04:00:00.000Z	58 \| moderate	13.336 \| fine	65.412 \| fine	24.718 \| good	1.154 \| good	39.402 \| good	0.643 \| good
2026-10-21T05:00:00.000Z	64 \| moderate	16.047 \| fine	59.006 \| fine	19.383 \| good	0.977 \| good	31.413 \| good	0.824 \| good
2026-10-21T06:00:00.000Z	64 \| moderate	15.626 \| fine	37.914 \| good	19.25 \| good	1.077 \| good	30.83 \| good	0.964 \| good
2026-10-21T07:00:00.000Z	62 \| moderate	15.241 \| fine	44.699 \| good	14.409 \| good	1.076 \| good	30.861 \| good	0.964 \| good
2026-10-21T08:00:00.000Z	62 \| moderate	14.752 \| fine	53.321 \| good	15.771 \| good	1.076 \| good	30.636 \| good	0.964 \| good
2026-10-21T09:00:00.000Z	60 \| moderate	13.871 \| fine	51.665 \| good	9.062 \| good	1.061 \| good	27.619 \| good	0.842 \| good
2026-10-21T10:00:00.000Z	60 \| moderate	13.836 \| fine	63.098 \| fine	9.73 \| good	0.609 \| good	27.316 \| good	0.818 \| good
2026-10-21T11:00:00.000Z	64 \| moderate	15.606 \| fine	48.815 \| good	6.974 \| good	1.157 \| good	24.423 \| good	0.784 \| good
2026-10-21T12:00:00.000Z	54 \| moderate	10.745 \| good	49.963 \| good	5.046 \| good	1.177 \| good	21.359 \| good	0.879 \| good
2026-10-21T13:00:00.000Z	60 \| moderate	13.853 \| fine	56.859 \| fine	6.024 \| good	1.175 \| good	20.952 \| good	0.882 \| good
2026-10-21T14:00:00.000Z	68 \| moderate	13.14 \| fine	89.888 \| fine	8.81 \| good	2.068 \| good	25.161 \| good	1.03 \| good
2026-10-21T15:00:00.000Z	60 \| moderate	14.213 \| fine	52.328 \| good	11.763 \| good	1.897 \| good	28.825 \| good	0.742 \| good
2026-10-21T16:00:00.000Z	58 \| moderate	13.042 \| fine	58.809 \| fine	13.705 \| good	1.091 \| good	20.751 \| good	0.537 \| good
2026-10-21T17:00:00.000Z	56 \| moderate	11.759 \| good	48.932 \| good	27.17 \| good	1.225 \| good	18.254 \| good	0.418 \| good
2026-10-21T18:00:00.000Z	49 \| good	9.339 \| good	43.14 \| good	35.519 \| good	2.73 \| good	16.025 \| good	0.295 \| good
2026-10-21T19:00:00.000Z	54 \| moderate	11.209 \| good	44.702 \| good	43.301 \| good	2.263 \| good	11.741 \| good	0.312 \| good
2026-10-21T20:00:00.000Z	44 \| good	8.262 \| good	38.524 \| good	47.252 \| good	1.036 \| good	12.703 \| good	0.258 \| good
2026-10-21T21:00:00.000Z	49 \| good	8.505 \| good	35.318 \| good	51.431 \| good	1.105 \| good	16.557 \| good	0.256 \| good
2026-10-21T22:00:00.000Z	46 \| good	7.56 \| good	29.202 \| good	50.357 \| good	0.828 \| good	15.569 \| good	0.233 \| good
2026-10-21T23:00:00.000Z	45 \| good	7.461 \| good	35.579 \| good	49.116 \| good	0.813 \| good	5.35 \| good	0.233 \| good
2026-10-22T00:00:00.000Z	44 \| good	7.51 \| good	27.081 \| good	46.313 \| good	0.711 \| good	15.686 \| good	0.292 \| good
2026-10-22T01:00:00.000Z	44 \| good	7.785 \| good	28.271 \| good	44.66 \| good	1.066 \| good	40.845 \| good	0.64 \| good
2026-10-22T02:00:00.000Z	52 \| moderate	10.138 \| good	31.078 \| good	38.203 \| good	0.793 \| good	31.058 \| good	0.69 \| good
2026-10-22T03:00:00.000Z	66 \| moderate	17.268 \| fine	76.936 \| fine	16.441 \| good	3.945 \| good	57.523 \| fine	0.613 \| good
2026-10-22T04:00:00.000Z	58 \| moderate	12.587 \| fine	57.498 \| fine	19.364 \| good	1.258 \| good	36.734 \| good	0.937 \| good
2026-10-22T05:00:00.000Z	62 \| moderate	14.605 \| fine	47.977 \| good	21.445 \| good	0.886 \| good	30.229 \| good	0.975 \| good
2026-10-22T06:00:00.000Z	64 \| moderate	16.189 \| fine	68.711 \| fine	19.353 \| good	0.62 \| good	25.314 \| good	0.897 \| good
2026-10-22T07:00:00.000Z	66 \| moderate	16.873 \| fine	43.48 \| good	11.7 \| good	0.622 \| good	25.295 \| good	0.897 \| good
2026-10-22T08:00:00.000Z	52 \| moderate	9.744 \| good	54.789 \| good	21.383 \| good	0.623 \| good	25.704 \| good	0.863 \| good
2026-10-22T09:00:00.000Z	49 \| good	9.242 \| good	43.775 \| good	9.773 \| good	0.455 \| good	14.5 \| good	0.792 \| good
2026-10-22T10:00:00.000Z	52 \| moderate	10.062 \| good	55.844 \| fine	10.755 \| good	0.544 \| good	12.989 \| good	0.698 \| good
2026-10-22T11:00:00.000Z	55 \| moderate	11.433 \| good	63.058 \| fine	7.389 \| good	0.614 \| good	14.975 \| good	0.723 \| good
2026-10-22T12:00:00.000Z	56 \| moderate	12.012 \| good	59.458 \| fine	8.714 \| good	0.875 \| good	16.208 \| good	0.783 \| good
2026-10-22T13:00:00.000Z	58 \| moderate	13.078 \| fine	65.49 \| fine	7.081 \| good	0.874 \| good	16.497 \| good	0.763 \| good
2026-10-22T14:00:00.000Z	54 \| moderate	11.211 \| good	55.25 \| fine	11.362 \| good	0.966 \| good	17.179 \| good	0.868 \| good
2026-10-22T15:00:00.000Z	55 \| moderate	11.206 \| good	62.65 \| fine	12.75 \| good	1.18 \| good	18.637 \| good	0.761 \| good
2026-10-22T16:00:00.000Z	69 \| moderate	18.947 \| fine	86.192 \| fine	13.45 \| good	1.157 \| good	18.06 \| good	0.718 \| good
2026-10-22T17:00:00.000Z	60 \| moderate	13.825 \| fine	55.222 \| fine	28.403 \| good	1.488 \| good	13.486 \| good	0.537 \| good
2026-10-22T18:00:00.000Z	60 \| moderate	13.722 \| fine	49.97 \| good	35.291 \| good	1.778 \| good	9.868 \| good	0.475 \| good
2026-10-22T19:00:00.000Z	52 \| moderate	10.404 \| good	56.512 \| fine	35.271 \| good	1.502 \| good	8.103 \| good	0.366 \| good
2026-10-22T20:00:00.000Z	45 \| good	8.118 \| good	34.307 \| good	48.956 \| good	1.125 \| good	6.798 \| good	0.196 \| good
2026-10-22T21:00:00.000Z	49 \| good	7.474 \| good	41.771 \| good	52.552 \| good	0.988 \| good	3.671 \| good	0.196 \| good
2026-10-22T22:00:00.000Z	49 \| good	7.134 \| good	26.916 \| good	52.979 \| good	0.983 \| good	2.781 \| good	0.196 \| good
2026-10-22T23:00:00.000Z	49 \| good	8.887 \| good	34.08 \| good	52.499 \| good	1.076 \| good	2.722 \| good	0.196 \| good
2026-10-23T00:00:00.000Z	52 \| moderate	10.117 \| good	42.057 \| good	47.241 \| good	0.963 \| good	12.338 \| good	0.274 \| good
2026-10-23T00:00:00.000Z	49 \| good	9.252 \| good	40.12 \| good	45.908 \| good	1.121 \| good	11.016 \| good	0.271 \| good
2026-10-23T01:00:00.000Z	62 \| moderate	15.164 \| fine	67.131 \| fine	27.65 \| good	2.691 \| good	53.604 \| good	0.458 \| good
2026-10-23T02:00:00.000Z	64 \| moderate	16.075 \| fine	71.069 \| fine	26.571 \| good	2.773 \| good	55.669 \| fine	0.52 \| good
2026-10-23T03:00:00.000Z	64 \| moderate	15.879 \| fine	70.442 \| fine	19.58 \| good	2.748 \| good	54.102 \| fine	0.558 \| good
2026-10-23T04:00:00.000Z	60 \| moderate	13.957 \| fine	62.482 \| fine	13.509 \| good	2.679 \| good	52.385 \| good	0.577 \| good
2026-10-23T05:00:00.000Z	58 \| moderate	12.685 \| fine	57.19 \| fine	12.607 \| good	2.448 \| good	49.675 \| good	0.573 \| good
2026-10-23T06:00:00.000Z	58 \| moderate	12.976 \| fine	58.622 \| fine	13.215 \| good	2.067 \| good	45.708 \| good	0.526 \| good
2026-10-23T07:00:00.000Z	58 \| moderate	12.63 \| fine	57.252 \| fine	11.904 \| good	1.735 \| good	42.113 \| good	0.46 \| good
2026-10-23T08:00:00.000Z	60 \| moderate	13.523 \| fine	60.925 \| fine	11.688 \| good	1.465 \| good	36.278 \| good	0.398 \| good
2026-10-23T09:00:00.000Z	60 \| moderate	13.991 \| fine	62.993 \| fine	10.318 \| good	1.273 \| good	28.016 \| good	0.351 \| good
2026-10-23T10:00:00.000Z	62 \| moderate	14.623 \| fine	65.319 \| fine	9.72 \| good	1.155 \| good	23.166 \| good	0.324 \| good
2026-10-23T11:00:00.000Z	64 \| moderate	16.13 \| fine	71.319 \| fine	6.37 \| good	1.107 \| good	21.097 \| good	0.311 \| good
2026-10-23T12:00:00.000Z	66 \| moderate	16.698 \| fine	74.227 \| fine	2.92 \| good	1.147 \| good	22.46 \| good	0.314 \| good
2026-10-23T13:00:00.000Z	69 \| moderate	18.974 \| fine	84.209 \| fine	9.924 \| good	1.254 \| good	22.715 \| good	0.341 \| good
2026-10-23T14:00:00.000Z	71 \| moderate	20.465 \| fine	90.066 \| fine	21.34 \| good	1.334 \| good	17.92 \| good	0.346 \| good
2026-10-23T15:00:00.000Z	66 \| moderate	17.244 \| fine	76.248 \| fine	29.619 \| good	1.602 \| good	13.866 \| good	0.305 \| good
2026-10-23T16:00:00.000Z	60 \| moderate	14.317 \| fine	64.764 \| fine	40.686 \| good	1.918 \| good	10.112 \| good	0.263 \| good
2026-10-23T17:00:00.000Z	54 \| moderate	10.593 \| good	46.929 \| good	47.877 \| good	2.195 \| good	6.835 \| good	0.228 \| good
2026-10-23T18:00:00.000Z	52 \| moderate	10.155 \| good	45.19 \| good	50.946 \| good	2.058 \| good	3.666 \| good	0.196 \| good
2026-10-23T19:00:00.000Z	54 \| moderate	10.746 \| good	47.841 \| good	52.902 \| good	1.861 \| good	2.657 \| good	0.187 \| good
2026-10-23T20:00:00.000Z	54 \| moderate	10.709 \| good	47.175 \| good	54.238 \| good	1.736 \| good	2.333 \| good	0.184 \| good
2026-10-23T21:00:00.000Z	52 \| moderate	10.019 \| good	44.314 \| good	55.093 \| fine	1.681 \| good	2.473 \| good	0.184 \| good
2026-10-23T22:00:00.000Z	56 \| moderate	11.578 \| good	51.389 \| good	49.081 \| good	1.642 \| good	3.411 \| good	0.189 \| good
2026-10-23T23:00:00.000Z	62 \| moderate	14.753 \| fine	65.865 \| fine	35.15 \| good	1.572 \| good	9.014 \| good	0.221 \| good
2026-10-24T00:00:00.000Z	64 \| moderate	15.568 \| fine	68.874 \| fine	33.422 \| good	1.523 \| good	14.228 \| good	0.25 \| good
2026-10-24T01:00:00.000Z	60 \| moderate	13.776 \| fine	61.717 \| fine	31.005 \| good	1.46 \| good	14.723 \| good	0.249 \| good
2026-10-24T02:00:00.000Z	58 \| moderate	13.35 \| fine	60.22 \| fine	34.555 \| good	1.41 \| good	14.124 \| good	0.243 \| good
2026-10-24T03:00:00.000Z	62 \| moderate	14.677 \| fine	65.743 \| fine	31.661 \| good	1.377 \| good	12.881 \| good	0.237 \| good
2026-10-24T04:00:00.000Z	62 \| moderate	14.782 \| fine	65.817 \| fine	29.797 \| good	1.36 \| good	11.669 \| good	0.232 \| good
2026-10-24T05:00:00.000Z	60 \| moderate	13.759 \| fine	61.738 \| fine	27.819 \| good	1.336 \| good	10.259 \| good	0.229 \| good
2026-10-24T06:00:00.000Z	60 \| moderate	13.896 \| fine	61.985 \| fine	25.809 \| good	1.304 \| good	8.955 \| good	0.226 \| good
2026-10-24T07:00:00.000Z	56 \| moderate	12.057 \| good	53.858 \| good	21.662 \| good	1.276 \| good	8.373 \| good	0.225 \| good
2026-10-24T08:00:00.000Z	56 \| moderate	11.539 \| good	51.031 \| good	20.943 \| good	1.245 \| good	8.339 \| good	0.227 \| good
2026-10-24T09:00:00.000Z	54 \| moderate	11.244 \| good	49.859 \| good	18.88 \| good	1.213 \| good	8.796 \| good	0.23 \| good
2026-10-24T10:00:00.000Z	54 \| moderate	11.241 \| good	49.794 \| good	13.118 \| good	1.195 \| good	9.396 \| good	0.235 \| good
2026-10-24T11:00:00.000Z	56 \| moderate	12.067 \| good	54.265 \| good	10.504 \| good	1.198 \| good	10.141 \| good	0.239 \| good
2026-10-24T12:00:00.000Z	52 \| moderate	9.941 \| good	44.056 \| good	7.453 \| good	1.236 \| good	12.362 \| good	0.248 \| good
2026-10-24T13:00:00.000Z	54 \| moderate	11.348 \| good	50.109 \| good	13.339 \| good	1.3 \| good	14.683 \| good	0.267 \| good
2026-10-24T14:00:00.000Z	60 \| moderate	13.979 \| fine	63.128 \| fine	22.937 \| good	1.369 \| good	12.415 \| good	0.277 \| good
2026-10-24T15:00:00.000Z	54 \| moderate	11.33 \| good	49.914 \| good	30.556 \| good	1.557 \| good	9.489 \| good	0.256 \| good
2026-10-24T16:00:00.000Z	49 \| good	9.44 \| good	42.412 \| good	37.985 \| good	1.735 \| good	7.576 \| good	0.239 \| good
2026-10-24T17:00:00.000Z	40 \| good	6.545 \| good	29 \| good	42.719 \| good	1.843 \| good	5.562 \| good	0.217 \| good
2026-10-24T18:00:00.000Z	43 \| good	6.034 \| good	26.264 \| good	46.453 \| good	1.783 \| good	3.936 \| good	0.199 \| good
2026-10-24T19:00:00.000Z	46 \| good	8.116 \| good	35.52 \| good	50.206 \| good	1.734 \| good	2.923 \| good	0.186 \| good
2026-10-24T20:00:00.000Z	47 \| good	6.935 \| good	30.7 \| good	51.084 \| good	1.633 \| good	2.636 \| good	0.18 \| good
2026-10-24T21:00:00.000Z	47 \| good	6.532 \| good	29.286 \| good	50.515 \| good	1.534 \| good	2.692 \| good	0.179 \| good
2026-10-24T22:00:00.000Z	49 \| good	8.703 \| good	38.391 \| good	45.575 \| good	1.475 \| good	3.725 \| good	0.183 \| good
2026-10-24T23:00:00.000Z	54 \| moderate	10.958 \| good	48.691 \| good	36.445 \| good	1.403 \| good	9.695 \| good	0.215 \| good
2026-10-25T00:00:00.000Z	58 \| moderate	13.35 \| fine	60.236 \| fine	33.487 \| good	1.34 \| good	14.737 \| good	0.24 \| good

Hazelwood, Missouri live air quality index now

Major air pollutants in Hazelwood, Missouri

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Air quality in nearby cities

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Frequently asked questions

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What is the current concentration of PM2.5 in Hazelwood, Missouri?

What is the current concentration of PM10 in Hazelwood, Missouri?

What is the current concentration of carbon monoxide (CO) in Hazelwood, Missouri?

What is the current concentration of sulfur dioxide (SO2) in Hazelwood, Missouri?

What is the current concentration of ozone (O3) in Hazelwood, Missouri?

What is the current concentration of nitrogen dioxide (NO2) in Hazelwood, Missouri?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the current concentration of PM_2.5 in Hazelwood, Missouri?

What is the current concentration of PM₁₀ in Hazelwood, Missouri?

What is the current concentration of sulfur dioxide (SO₂) in Hazelwood, Missouri?

What is the current concentration of ozone (O₃) in Hazelwood, Missouri?

What is the current concentration of nitrogen dioxide (NO₂) in Hazelwood, Missouri?