What is the current concentration of PM10 in Bay St. Louis, Mississippi?

The current PM10 concentration at Bay St. Louis, Mississippi is 23.557 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Bay St. Louis, Mississippi?

The current sulfur dioxide (SO2) concentration at Bay St. Louis, Mississippi is 1.233 ppb.

What is the current concentration of ozone (O3) in Bay St. Louis, Mississippi?

The current ozone (O3) concentration at Bay St. Louis, Mississippi is 6.336 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Bay St. Louis, Mississippi?

The current nitrogen dioxide (NO2) concentration at Bay St. Louis, Mississippi is 11.064 ppb.

Bay St. Louis, Mississippi live air quality index now

Q: What is the current concentration of PM2.5 in Bay St. Louis, Mississippi?

The current PM2.5 concentration at Bay St. Louis, Mississippi is 5.413 μg/m3.

Stay updated with real-time air quality in Bay St. Louis, Mississippi 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

Bay St. Louis, Mississippi

Last updated: ... (Local time)

Major air pollutants in Bay St. Louis, Mississippi

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.23 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

19.05 μg/m³

155

255

425

605+

Ozone (O₃)

22.18 ppb

201

201+

Sulfur Dioxide (SO₂)

1.18 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

15.77 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.28 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Bay St. Louis, Mississippi

Get Live Pollen Counts

Bay St. Louis, Mississippi

Scroll To Air Quality Map

Track live Bay St. Louis, Mississippi air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-11-11T18:00:00.000Z	31 \| good	3.192 \| good	13.972 \| good	33.177 \| good	0.957 \| good	2.565 \| good	0.181 \| good
2025-11-11T19:00:00.000Z	32 \| good	2.907 \| good	12.107 \| good	34.759 \| good	1.069 \| good	2.687 \| good	0.167 \| good
2025-11-11T20:00:00.000Z	34 \| good	2.528 \| good	10.207 \| good	36.722 \| good	1.164 \| good	3.161 \| good	0.169 \| good
2025-11-11T21:00:00.000Z	33 \| good	2.297 \| good	9.982 \| good	36.08 \| good	1.103 \| good	3.279 \| good	0.169 \| good
2025-11-11T22:00:00.000Z	33 \| good	1.896 \| good	8.033 \| good	35.545 \| good	1.07 \| good	1.992 \| good	0.213 \| good
2025-11-11T23:00:00.000Z	32 \| good	1.622 \| good	7.088 \| good	35.018 \| good	1.004 \| good	2.335 \| good	0.196 \| good
2025-11-12T00:00:00.000Z	31 \| good	2.016 \| good	8.117 \| good	33.343 \| good	1.019 \| good	5.861 \| good	0.181 \| good
2025-11-12T01:00:00.000Z	29 \| good	2.686 \| good	10.97 \| good	31.143 \| good	1.031 \| good	11.188 \| good	0.208 \| good
2025-11-12T02:00:00.000Z	27 \| good	4.196 \| good	18.536 \| good	28.671 \| good	1.183 \| good	15.746 \| good	0.249 \| good
2025-11-12T03:00:00.000Z	38 \| good	7.417 \| good	32.729 \| good	34.316 \| good	1.1 \| good	15.91 \| good	0.252 \| good
2025-11-12T04:00:00.000Z	33 \| good	6.12 \| good	27.156 \| good	27.049 \| good	0.987 \| good	12.703 \| good	0.21 \| good
2025-11-12T05:00:00.000Z	27 \| good	5.062 \| good	22.322 \| good	28.144 \| good	0.987 \| good	6.79 \| good	0.266 \| good
2025-11-12T06:00:00.000Z	22 \| good	4.3 \| good	18.583 \| good	23.774 \| good	1.099 \| good	6.571 \| good	0.293 \| good
2025-11-12T07:00:00.000Z	22 \| good	4.303 \| good	18.638 \| good	13.236 \| good	0.981 \| good	6.176 \| good	0.28 \| good
2025-11-12T08:00:00.000Z	44 \| good	7.527 \| good	32.866 \| good	18.971 \| good	0.794 \| good	11.839 \| good	0.251 \| good
2025-11-12T09:00:00.000Z	44 \| good	8.123 \| good	35.837 \| good	19.39 \| good	0.892 \| good	10.999 \| good	0.254 \| good
2025-11-12T10:00:00.000Z	38 \| good	7.487 \| good	33.071 \| good	6.273 \| good	0.858 \| good	9.297 \| good	0.263 \| good
2025-11-12T11:00:00.000Z	38 \| good	6.83 \| good	30.246 \| good	10.562 \| good	0.858 \| good	8.91 \| good	0.268 \| good
2025-11-12T12:00:00.000Z	38 \| good	7.495 \| good	33.117 \| good	11.427 \| good	0.936 \| good	8.189 \| good	0.403 \| good
2025-11-12T13:00:00.000Z	38 \| good	7.499 \| good	33.15 \| good	9.191 \| good	0.98 \| good	8.502 \| good	1.108 \| good
2025-11-12T14:00:00.000Z	49 \| good	9.038 \| good	40.794 \| good	20.035 \| good	0.94 \| good	8.952 \| good	0.92 \| good
2025-11-12T15:00:00.000Z	38 \| good	6.965 \| good	31.367 \| good	15.84 \| good	0.985 \| good	7.389 \| good	0.4 \| good
2025-11-12T16:00:00.000Z	27 \| good	5.025 \| good	21.7 \| good	25.437 \| good	1.169 \| good	4.844 \| good	0.281 \| good
2025-11-12T17:00:00.000Z	25 \| good	3.89 \| good	16.948 \| good	26.898 \| good	1.217 \| good	3.246 \| good	0.244 \| good
2025-11-12T18:00:00.000Z	31 \| good	3.07 \| good	12.86 \| good	32.574 \| good	1.277 \| good	3.225 \| good	0.186 \| good
2025-11-12T19:00:00.000Z	34 \| good	2.836 \| good	11.619 \| good	36.587 \| good	1.355 \| good	3.388 \| good	0.2 \| good
2025-11-12T20:00:00.000Z	37 \| good	2.294 \| good	9.909 \| good	39.693 \| good	1.254 \| good	2.755 \| good	0.174 \| good
2025-11-12T21:00:00.000Z	37 \| good	2.11 \| good	8.564 \| good	40.351 \| good	1.242 \| good	3.091 \| good	0.159 \| good
2025-11-12T22:00:00.000Z	37 \| good	2.154 \| good	9.269 \| good	39.959 \| good	1.37 \| good	3.223 \| good	0.174 \| good
2025-11-12T23:00:00.000Z	36 \| good	2.134 \| good	9.137 \| good	39.249 \| good	1.271 \| good	4.302 \| good	0.215 \| good
2025-11-13T00:00:00.000Z	31 \| good	2.231 \| good	9.183 \| good	32.606 \| good	1.176 \| good	5.561 \| good	0.436 \| good
2025-11-13T01:00:00.000Z	30 \| good	2.237 \| good	9.34 \| good	31.787 \| good	1.202 \| good	5.859 \| good	0.324 \| good
2025-11-13T02:00:00.000Z	26 \| good	2.232 \| good	9.198 \| good	28.103 \| good	1.379 \| good	7.043 \| good	0.394 \| good
2025-11-13T03:00:00.000Z	21 \| good	2.233 \| good	9.14 \| good	23.451 \| good	1.158 \| good	5.627 \| good	0.436 \| good
2025-11-13T04:00:00.000Z	21 \| good	2.32 \| good	10.096 \| good	22.963 \| good	1.095 \| good	5.166 \| good	0.489 \| good
2025-11-13T05:00:00.000Z	17 \| good	2.325 \| good	10.124 \| good	17.982 \| good	1.158 \| good	6.285 \| good	0.56 \| good
2025-11-13T06:00:00.000Z	12 \| good	2.316 \| good	10.028 \| good	12.813 \| good	1.121 \| good	7.889 \| good	0.56 \| good
2025-11-13T07:00:00.000Z	11 \| good	2.313 \| good	10.032 \| good	8.539 \| good	1.048 \| good	8.383 \| good	0.518 \| good
2025-11-13T08:00:00.000Z	11 \| good	2.321 \| good	10.105 \| good	8.685 \| good	1.098 \| good	7.963 \| good	0.392 \| good
2025-11-13T09:00:00.000Z	11 \| good	2.331 \| good	10.088 \| good	5.364 \| good	1.152 \| good	9.181 \| good	0.307 \| good
2025-11-13T10:00:00.000Z	11 \| good	2.338 \| good	10.131 \| good	5.903 \| good	1.139 \| good	6.616 \| good	0.266 \| good
2025-11-13T11:00:00.000Z	16 \| good	2.845 \| good	12.281 \| good	6.157 \| good	1.127 \| good	6.77 \| good	0.275 \| good
2025-11-13T12:00:00.000Z	22 \| good	4.351 \| good	18.773 \| good	5.359 \| good	1.126 \| good	10.452 \| good	0.37 \| good
2025-11-13T13:00:00.000Z	27 \| good	5.413 \| good	23.557 \| good	6.336 \| good	1.233 \| good	11.064 \| good	0.366 \| good
2025-11-13T14:00:00.000Z	27 \| good	5.078 \| good	21.936 \| good	9.71 \| good	1.175 \| good	13.325 \| good	0.395 \| good
2025-11-13T15:00:00.000Z	27 \| good	4.834 \| good	21.14 \| good	15.143 \| good	1.215 \| good	15.058 \| good	0.462 \| good
2025-11-13T16:00:00.000Z	22 \| good	4.229 \| good	19.049 \| good	22.184 \| good	1.175 \| good	15.773 \| good	0.285 \| good
2025-11-13T17:00:00.000Z	22 \| good	4.229 \| good	19.049 \| good	22.184 \| good	1.175 \| good	15.773 \| good	0.285 \| good
2025-11-13T15:00:00.000Z	29 \| good	4.072 \| good	17.76 \| good	31.265 \| good	0.561 \| good	4.154 \| good	0.134 \| good
2025-11-13T16:00:00.000Z	35 \| good	4.865 \| good	21.097 \| good	38.461 \| good	0.491 \| good	3.043 \| good	0.126 \| good
2025-11-13T17:00:00.000Z	37 \| good	5.725 \| good	25.021 \| good	40.013 \| good	0.42 \| good	1.932 \| good	0.118 \| good
2025-11-13T18:00:00.000Z	41 \| good	5.622 \| good	24.927 \| good	44.264 \| good	0.35 \| good	0.82 \| good	0.111 \| good
2025-11-13T19:00:00.000Z	41 \| good	5.106 \| good	22.298 \| good	44.156 \| good	0.344 \| good	0.83 \| good	0.111 \| good
2025-11-13T20:00:00.000Z	40 \| good	5.176 \| good	22.64 \| good	43.2 \| good	0.338 \| good	0.84 \| good	0.112 \| good
2025-11-13T21:00:00.000Z	38 \| good	4.857 \| good	21.089 \| good	40.626 \| good	0.331 \| good	0.85 \| good	0.113 \| good
2025-11-13T22:00:00.000Z	35 \| good	4.717 \| good	20.563 \| good	37.603 \| good	0.333 \| good	2.176 \| good	0.126 \| good
2025-11-13T23:00:00.000Z	28 \| good	3.864 \| good	17.033 \| good	30.091 \| good	0.336 \| good	3.502 \| good	0.14 \| good
2025-11-14T00:00:00.000Z	49 \| good	8.616 \| good	37.671 \| good	22.607 \| good	0.338 \| good	4.828 \| good	0.154 \| good
2025-11-14T01:00:00.000Z	44 \| good	8.06 \| good	35.195 \| good	21.269 \| good	0.346 \| good	4.882 \| good	0.153 \| good
2025-11-14T02:00:00.000Z	38 \| good	7.022 \| good	31.113 \| good	22.43 \| good	0.354 \| good	4.936 \| good	0.152 \| good
2025-11-14T03:00:00.000Z	27 \| good	4.522 \| good	19.59 \| good	20.91 \| good	0.362 \| good	4.99 \| good	0.151 \| good
2025-11-14T04:00:00.000Z	27 \| good	4.96 \| good	21.508 \| good	19.43 \| good	0.375 \| good	5.011 \| good	0.148 \| good
2025-11-14T05:00:00.000Z	22 \| good	4.33 \| good	19.014 \| good	16.628 \| good	0.389 \| good	5.031 \| good	0.145 \| good
2025-11-14T06:00:00.000Z	38 \| good	7.474 \| good	32.964 \| good	14.205 \| good	0.402 \| good	5.052 \| good	0.143 \| good
2025-11-14T07:00:00.000Z	33 \| good	6.027 \| good	26.857 \| good	12.618 \| good	0.463 \| good	5.137 \| good	0.143 \| good
2025-11-14T08:00:00.000Z	33 \| good	5.766 \| good	24.72 \| good	5.701 \| good	0.524 \| good	5.223 \| good	0.143 \| good
2025-11-14T09:00:00.000Z	27 \| good	5.407 \| good	23.362 \| good	4.017 \| good	0.586 \| good	5.308 \| good	0.144 \| good
2025-11-14T10:00:00.000Z	27 \| good	5.285 \| good	22.938 \| good	3.936 \| good	0.706 \| good	5.532 \| good	0.147 \| good
2025-11-14T11:00:00.000Z	33 \| good	5.594 \| good	24.153 \| good	3.701 \| good	0.827 \| good	5.756 \| good	0.151 \| good
2025-11-14T12:00:00.000Z	38 \| good	7.268 \| good	32.146 \| good	1.919 \| good	0.948 \| good	5.98 \| good	0.155 \| good
2025-11-14T13:00:00.000Z	38 \| good	6.707 \| good	29.913 \| good	8.609 \| good	1.049 \| good	5.444 \| good	0.158 \| good
2025-11-14T14:00:00.000Z	33 \| good	5.84 \| good	25.304 \| good	23.748 \| good	1.149 \| good	4.908 \| good	0.16 \| good
2025-11-14T15:00:00.000Z	38 \| good	6.502 \| good	28.779 \| good	34.647 \| good	1.249 \| good	4.372 \| good	0.163 \| good
2025-11-14T16:00:00.000Z	38 \| good	6.944 \| good	30.735 \| good	36.774 \| good	1.083 \| good	3.237 \| good	0.151 \| good
2025-11-14T17:00:00.000Z	38 \| good	7.014 \| good	30.75 \| good	39.943 \| good	0.918 \| good	2.103 \| good	0.14 \| good
2025-11-14T18:00:00.000Z	42 \| good	6.383 \| good	28.111 \| good	44.746 \| good	0.752 \| good	0.968 \| good	0.129 \| good
2025-11-14T19:00:00.000Z	39 \| good	6.286 \| good	27.424 \| good	42.101 \| good	0.723 \| good	0.941 \| good	0.129 \| good
2025-11-14T20:00:00.000Z	40 \| good	5.983 \| good	26.267 \| good	43.388 \| good	0.694 \| good	0.914 \| good	0.129 \| good
2025-11-14T21:00:00.000Z	38 \| good	6.25 \| good	27.802 \| good	40.797 \| good	0.666 \| good	0.888 \| good	0.129 \| good
2025-11-14T22:00:00.000Z	38 \| good	6.567 \| good	29.305 \| good	38.188 \| good	0.683 \| good	1.654 \| good	0.136 \| good
2025-11-14T23:00:00.000Z	44 \| good	7.526 \| good	33.245 \| good	32.566 \| good	0.7 \| good	2.42 \| good	0.142 \| good
2025-11-15T00:00:00.000Z	58 \| moderate	13.118 \| fine	58.768 \| fine	26.705 \| good	0.718 \| good	3.186 \| good	0.148 \| good
2025-11-15T01:00:00.000Z	58 \| moderate	13.08 \| fine	59.27 \| fine	28.057 \| good	0.693 \| good	3.27 \| good	0.145 \| good
2025-11-15T02:00:00.000Z	60 \| moderate	13.746 \| fine	61.824 \| fine	23.671 \| good	0.667 \| good	3.353 \| good	0.143 \| good
2025-11-15T03:00:00.000Z	52 \| moderate	10.43 \| good	46.171 \| good	23.139 \| good	0.642 \| good	3.437 \| good	0.14 \| good
2025-11-15T04:00:00.000Z	54 \| moderate	10.641 \| good	47.089 \| good	21.234 \| good	0.613 \| good	3.718 \| good	0.141 \| good
2025-11-15T05:00:00.000Z	49 \| good	8.595 \| good	37.597 \| good	20.505 \| good	0.583 \| good	4 \| good	0.142 \| good
2025-11-15T06:00:00.000Z	54 \| moderate	11.056 \| good	48.732 \| good	14.751 \| good	0.554 \| good	4.281 \| good	0.143 \| good
2025-11-15T07:00:00.000Z	54 \| moderate	10.755 \| good	47.538 \| good	11.315 \| good	0.557 \| good	4.341 \| good	0.142 \| good
2025-11-15T08:00:00.000Z	54 \| moderate	11.103 \| good	49.139 \| good	5.757 \| good	0.56 \| good	4.401 \| good	0.142 \| good
2025-11-15T09:00:00.000Z	52 \| moderate	10.142 \| good	45.008 \| good	4.297 \| good	0.563 \| good	4.461 \| good	0.141 \| good
2025-11-15T10:00:00.000Z	49 \| good	9.421 \| good	41.906 \| good	4.288 \| good	0.629 \| good	4.976 \| good	0.146 \| good
2025-11-15T11:00:00.000Z	52 \| moderate	9.943 \| good	44.204 \| good	4.082 \| good	0.695 \| good	5.492 \| good	0.15 \| good
2025-11-15T12:00:00.000Z	56 \| moderate	11.52 \| good	50.967 \| good	5.101 \| good	0.762 \| good	6.008 \| good	0.155 \| good
2025-11-15T13:00:00.000Z	54 \| moderate	11.318 \| good	50.187 \| good	11.714 \| good	0.799 \| good	5.341 \| good	0.153 \| good
2025-11-15T14:00:00.000Z	44 \| good	8.148 \| good	35.843 \| good	30.026 \| good	0.836 \| good	4.674 \| good	0.15 \| good

Bay St. Louis

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Bay St. Louis, Mississippi air quality map: Track AQI near you

0.37ppm

How accurate is Mississippi, USA air quality data?

Air quality data and pollutant measurements for Mississippi, 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 Bay St. Louis, Mississippi updated?

The air quality for Bay St. Louis, Mississippi is updated every hour.

When was the worst air quality at Bay St. Louis, Mississippi in the last 24 hrs?

The worst air quality in Bay St. Louis, Mississippi in the last 24 hours was observed at 02:00:00 on 2025-11-12.

When was the best air quality at Bay St. Louis, Mississippi in the last 24 hrs?

In the last 24 hrs, the best air quality in Bay St. Louis, Mississippi was observed at 10:00:00 on 2025-11-13.

What is the current air quality in Bay St. Louis, Mississippi?

The current air quality in Bay St. Louis, Mississippi is 27, categorized as Good based on real-time data.

What pollutant is the most common in Bay St. Louis, Mississippi?

The most common pollutant in Bay St. Louis, Mississippi is PM2.5.

What should I do if the air quality in Bay St. Louis, Mississippi is poor?

If the air quality in Bay St. Louis, Mississippi is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Bay St. Louis, Mississippi?

The current PM_2.5 concentration at Bay St. Louis, Mississippi is 5.413 μg/m³.

What is the current concentration of PM₁₀ in Bay St. Louis, Mississippi?

The current PM₁₀ concentration at Bay St. Louis, Mississippi is 23.557 μg/m³.

What is the current concentration of carbon monoxide (CO) in Bay St. Louis, Mississippi?

The current carbon monoxide (CO) concentration at Bay St. Louis, Mississippi is 0.366 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Bay St. Louis, Mississippi?

The current sulfur dioxide (SO₂) concentration at Bay St. Louis, Mississippi is 1.233 ppb.

What is the current concentration of ozone (O₃) in Bay St. Louis, Mississippi?

The current ozone (O₃) concentration at Bay St. Louis, Mississippi is 6.336 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Bay St. Louis, Mississippi?

The current nitrogen dioxide (NO₂) concentration at Bay St. Louis, Mississippi is 11.064 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-11-11T18:00:00.000Z	31 \| good	3.192 \| good	13.972 \| good	33.177 \| good	0.957 \| good	2.565 \| good	0.181 \| good
2025-11-11T19:00:00.000Z	32 \| good	2.907 \| good	12.107 \| good	34.759 \| good	1.069 \| good	2.687 \| good	0.167 \| good
2025-11-11T20:00:00.000Z	34 \| good	2.528 \| good	10.207 \| good	36.722 \| good	1.164 \| good	3.161 \| good	0.169 \| good
2025-11-11T21:00:00.000Z	33 \| good	2.297 \| good	9.982 \| good	36.08 \| good	1.103 \| good	3.279 \| good	0.169 \| good
2025-11-11T22:00:00.000Z	33 \| good	1.896 \| good	8.033 \| good	35.545 \| good	1.07 \| good	1.992 \| good	0.213 \| good
2025-11-11T23:00:00.000Z	32 \| good	1.622 \| good	7.088 \| good	35.018 \| good	1.004 \| good	2.335 \| good	0.196 \| good
2025-11-12T00:00:00.000Z	31 \| good	2.016 \| good	8.117 \| good	33.343 \| good	1.019 \| good	5.861 \| good	0.181 \| good
2025-11-12T01:00:00.000Z	29 \| good	2.686 \| good	10.97 \| good	31.143 \| good	1.031 \| good	11.188 \| good	0.208 \| good
2025-11-12T02:00:00.000Z	27 \| good	4.196 \| good	18.536 \| good	28.671 \| good	1.183 \| good	15.746 \| good	0.249 \| good
2025-11-12T03:00:00.000Z	38 \| good	7.417 \| good	32.729 \| good	34.316 \| good	1.1 \| good	15.91 \| good	0.252 \| good
2025-11-12T04:00:00.000Z	33 \| good	6.12 \| good	27.156 \| good	27.049 \| good	0.987 \| good	12.703 \| good	0.21 \| good
2025-11-12T05:00:00.000Z	27 \| good	5.062 \| good	22.322 \| good	28.144 \| good	0.987 \| good	6.79 \| good	0.266 \| good
2025-11-12T06:00:00.000Z	22 \| good	4.3 \| good	18.583 \| good	23.774 \| good	1.099 \| good	6.571 \| good	0.293 \| good
2025-11-12T07:00:00.000Z	22 \| good	4.303 \| good	18.638 \| good	13.236 \| good	0.981 \| good	6.176 \| good	0.28 \| good
2025-11-12T08:00:00.000Z	44 \| good	7.527 \| good	32.866 \| good	18.971 \| good	0.794 \| good	11.839 \| good	0.251 \| good
2025-11-12T09:00:00.000Z	44 \| good	8.123 \| good	35.837 \| good	19.39 \| good	0.892 \| good	10.999 \| good	0.254 \| good
2025-11-12T10:00:00.000Z	38 \| good	7.487 \| good	33.071 \| good	6.273 \| good	0.858 \| good	9.297 \| good	0.263 \| good
2025-11-12T11:00:00.000Z	38 \| good	6.83 \| good	30.246 \| good	10.562 \| good	0.858 \| good	8.91 \| good	0.268 \| good
2025-11-12T12:00:00.000Z	38 \| good	7.495 \| good	33.117 \| good	11.427 \| good	0.936 \| good	8.189 \| good	0.403 \| good
2025-11-12T13:00:00.000Z	38 \| good	7.499 \| good	33.15 \| good	9.191 \| good	0.98 \| good	8.502 \| good	1.108 \| good
2025-11-12T14:00:00.000Z	49 \| good	9.038 \| good	40.794 \| good	20.035 \| good	0.94 \| good	8.952 \| good	0.92 \| good
2025-11-12T15:00:00.000Z	38 \| good	6.965 \| good	31.367 \| good	15.84 \| good	0.985 \| good	7.389 \| good	0.4 \| good
2025-11-12T16:00:00.000Z	27 \| good	5.025 \| good	21.7 \| good	25.437 \| good	1.169 \| good	4.844 \| good	0.281 \| good
2025-11-12T17:00:00.000Z	25 \| good	3.89 \| good	16.948 \| good	26.898 \| good	1.217 \| good	3.246 \| good	0.244 \| good
2025-11-12T18:00:00.000Z	31 \| good	3.07 \| good	12.86 \| good	32.574 \| good	1.277 \| good	3.225 \| good	0.186 \| good
2025-11-12T19:00:00.000Z	34 \| good	2.836 \| good	11.619 \| good	36.587 \| good	1.355 \| good	3.388 \| good	0.2 \| good
2025-11-12T20:00:00.000Z	37 \| good	2.294 \| good	9.909 \| good	39.693 \| good	1.254 \| good	2.755 \| good	0.174 \| good
2025-11-12T21:00:00.000Z	37 \| good	2.11 \| good	8.564 \| good	40.351 \| good	1.242 \| good	3.091 \| good	0.159 \| good
2025-11-12T22:00:00.000Z	37 \| good	2.154 \| good	9.269 \| good	39.959 \| good	1.37 \| good	3.223 \| good	0.174 \| good
2025-11-12T23:00:00.000Z	36 \| good	2.134 \| good	9.137 \| good	39.249 \| good	1.271 \| good	4.302 \| good	0.215 \| good
2025-11-13T00:00:00.000Z	31 \| good	2.231 \| good	9.183 \| good	32.606 \| good	1.176 \| good	5.561 \| good	0.436 \| good
2025-11-13T01:00:00.000Z	30 \| good	2.237 \| good	9.34 \| good	31.787 \| good	1.202 \| good	5.859 \| good	0.324 \| good
2025-11-13T02:00:00.000Z	26 \| good	2.232 \| good	9.198 \| good	28.103 \| good	1.379 \| good	7.043 \| good	0.394 \| good
2025-11-13T03:00:00.000Z	21 \| good	2.233 \| good	9.14 \| good	23.451 \| good	1.158 \| good	5.627 \| good	0.436 \| good
2025-11-13T04:00:00.000Z	21 \| good	2.32 \| good	10.096 \| good	22.963 \| good	1.095 \| good	5.166 \| good	0.489 \| good
2025-11-13T05:00:00.000Z	17 \| good	2.325 \| good	10.124 \| good	17.982 \| good	1.158 \| good	6.285 \| good	0.56 \| good
2025-11-13T06:00:00.000Z	12 \| good	2.316 \| good	10.028 \| good	12.813 \| good	1.121 \| good	7.889 \| good	0.56 \| good
2025-11-13T07:00:00.000Z	11 \| good	2.313 \| good	10.032 \| good	8.539 \| good	1.048 \| good	8.383 \| good	0.518 \| good
2025-11-13T08:00:00.000Z	11 \| good	2.321 \| good	10.105 \| good	8.685 \| good	1.098 \| good	7.963 \| good	0.392 \| good
2025-11-13T09:00:00.000Z	11 \| good	2.331 \| good	10.088 \| good	5.364 \| good	1.152 \| good	9.181 \| good	0.307 \| good
2025-11-13T10:00:00.000Z	11 \| good	2.338 \| good	10.131 \| good	5.903 \| good	1.139 \| good	6.616 \| good	0.266 \| good
2025-11-13T11:00:00.000Z	16 \| good	2.845 \| good	12.281 \| good	6.157 \| good	1.127 \| good	6.77 \| good	0.275 \| good
2025-11-13T12:00:00.000Z	22 \| good	4.351 \| good	18.773 \| good	5.359 \| good	1.126 \| good	10.452 \| good	0.37 \| good
2025-11-13T13:00:00.000Z	27 \| good	5.413 \| good	23.557 \| good	6.336 \| good	1.233 \| good	11.064 \| good	0.366 \| good
2025-11-13T14:00:00.000Z	27 \| good	5.078 \| good	21.936 \| good	9.71 \| good	1.175 \| good	13.325 \| good	0.395 \| good
2025-11-13T15:00:00.000Z	27 \| good	4.834 \| good	21.14 \| good	15.143 \| good	1.215 \| good	15.058 \| good	0.462 \| good
2025-11-13T16:00:00.000Z	22 \| good	4.229 \| good	19.049 \| good	22.184 \| good	1.175 \| good	15.773 \| good	0.285 \| good
2025-11-13T17:00:00.000Z	22 \| good	4.229 \| good	19.049 \| good	22.184 \| good	1.175 \| good	15.773 \| good	0.285 \| good
2025-11-13T15:00:00.000Z	29 \| good	4.072 \| good	17.76 \| good	31.265 \| good	0.561 \| good	4.154 \| good	0.134 \| good
2025-11-13T16:00:00.000Z	35 \| good	4.865 \| good	21.097 \| good	38.461 \| good	0.491 \| good	3.043 \| good	0.126 \| good
2025-11-13T17:00:00.000Z	37 \| good	5.725 \| good	25.021 \| good	40.013 \| good	0.42 \| good	1.932 \| good	0.118 \| good
2025-11-13T18:00:00.000Z	41 \| good	5.622 \| good	24.927 \| good	44.264 \| good	0.35 \| good	0.82 \| good	0.111 \| good
2025-11-13T19:00:00.000Z	41 \| good	5.106 \| good	22.298 \| good	44.156 \| good	0.344 \| good	0.83 \| good	0.111 \| good
2025-11-13T20:00:00.000Z	40 \| good	5.176 \| good	22.64 \| good	43.2 \| good	0.338 \| good	0.84 \| good	0.112 \| good
2025-11-13T21:00:00.000Z	38 \| good	4.857 \| good	21.089 \| good	40.626 \| good	0.331 \| good	0.85 \| good	0.113 \| good
2025-11-13T22:00:00.000Z	35 \| good	4.717 \| good	20.563 \| good	37.603 \| good	0.333 \| good	2.176 \| good	0.126 \| good
2025-11-13T23:00:00.000Z	28 \| good	3.864 \| good	17.033 \| good	30.091 \| good	0.336 \| good	3.502 \| good	0.14 \| good
2025-11-14T00:00:00.000Z	49 \| good	8.616 \| good	37.671 \| good	22.607 \| good	0.338 \| good	4.828 \| good	0.154 \| good
2025-11-14T01:00:00.000Z	44 \| good	8.06 \| good	35.195 \| good	21.269 \| good	0.346 \| good	4.882 \| good	0.153 \| good
2025-11-14T02:00:00.000Z	38 \| good	7.022 \| good	31.113 \| good	22.43 \| good	0.354 \| good	4.936 \| good	0.152 \| good
2025-11-14T03:00:00.000Z	27 \| good	4.522 \| good	19.59 \| good	20.91 \| good	0.362 \| good	4.99 \| good	0.151 \| good
2025-11-14T04:00:00.000Z	27 \| good	4.96 \| good	21.508 \| good	19.43 \| good	0.375 \| good	5.011 \| good	0.148 \| good
2025-11-14T05:00:00.000Z	22 \| good	4.33 \| good	19.014 \| good	16.628 \| good	0.389 \| good	5.031 \| good	0.145 \| good
2025-11-14T06:00:00.000Z	38 \| good	7.474 \| good	32.964 \| good	14.205 \| good	0.402 \| good	5.052 \| good	0.143 \| good
2025-11-14T07:00:00.000Z	33 \| good	6.027 \| good	26.857 \| good	12.618 \| good	0.463 \| good	5.137 \| good	0.143 \| good
2025-11-14T08:00:00.000Z	33 \| good	5.766 \| good	24.72 \| good	5.701 \| good	0.524 \| good	5.223 \| good	0.143 \| good
2025-11-14T09:00:00.000Z	27 \| good	5.407 \| good	23.362 \| good	4.017 \| good	0.586 \| good	5.308 \| good	0.144 \| good
2025-11-14T10:00:00.000Z	27 \| good	5.285 \| good	22.938 \| good	3.936 \| good	0.706 \| good	5.532 \| good	0.147 \| good
2025-11-14T11:00:00.000Z	33 \| good	5.594 \| good	24.153 \| good	3.701 \| good	0.827 \| good	5.756 \| good	0.151 \| good
2025-11-14T12:00:00.000Z	38 \| good	7.268 \| good	32.146 \| good	1.919 \| good	0.948 \| good	5.98 \| good	0.155 \| good
2025-11-14T13:00:00.000Z	38 \| good	6.707 \| good	29.913 \| good	8.609 \| good	1.049 \| good	5.444 \| good	0.158 \| good
2025-11-14T14:00:00.000Z	33 \| good	5.84 \| good	25.304 \| good	23.748 \| good	1.149 \| good	4.908 \| good	0.16 \| good
2025-11-14T15:00:00.000Z	38 \| good	6.502 \| good	28.779 \| good	34.647 \| good	1.249 \| good	4.372 \| good	0.163 \| good
2025-11-14T16:00:00.000Z	38 \| good	6.944 \| good	30.735 \| good	36.774 \| good	1.083 \| good	3.237 \| good	0.151 \| good
2025-11-14T17:00:00.000Z	38 \| good	7.014 \| good	30.75 \| good	39.943 \| good	0.918 \| good	2.103 \| good	0.14 \| good
2025-11-14T18:00:00.000Z	42 \| good	6.383 \| good	28.111 \| good	44.746 \| good	0.752 \| good	0.968 \| good	0.129 \| good
2025-11-14T19:00:00.000Z	39 \| good	6.286 \| good	27.424 \| good	42.101 \| good	0.723 \| good	0.941 \| good	0.129 \| good
2025-11-14T20:00:00.000Z	40 \| good	5.983 \| good	26.267 \| good	43.388 \| good	0.694 \| good	0.914 \| good	0.129 \| good
2025-11-14T21:00:00.000Z	38 \| good	6.25 \| good	27.802 \| good	40.797 \| good	0.666 \| good	0.888 \| good	0.129 \| good
2025-11-14T22:00:00.000Z	38 \| good	6.567 \| good	29.305 \| good	38.188 \| good	0.683 \| good	1.654 \| good	0.136 \| good
2025-11-14T23:00:00.000Z	44 \| good	7.526 \| good	33.245 \| good	32.566 \| good	0.7 \| good	2.42 \| good	0.142 \| good
2025-11-15T00:00:00.000Z	58 \| moderate	13.118 \| fine	58.768 \| fine	26.705 \| good	0.718 \| good	3.186 \| good	0.148 \| good
2025-11-15T01:00:00.000Z	58 \| moderate	13.08 \| fine	59.27 \| fine	28.057 \| good	0.693 \| good	3.27 \| good	0.145 \| good
2025-11-15T02:00:00.000Z	60 \| moderate	13.746 \| fine	61.824 \| fine	23.671 \| good	0.667 \| good	3.353 \| good	0.143 \| good
2025-11-15T03:00:00.000Z	52 \| moderate	10.43 \| good	46.171 \| good	23.139 \| good	0.642 \| good	3.437 \| good	0.14 \| good
2025-11-15T04:00:00.000Z	54 \| moderate	10.641 \| good	47.089 \| good	21.234 \| good	0.613 \| good	3.718 \| good	0.141 \| good
2025-11-15T05:00:00.000Z	49 \| good	8.595 \| good	37.597 \| good	20.505 \| good	0.583 \| good	4 \| good	0.142 \| good
2025-11-15T06:00:00.000Z	54 \| moderate	11.056 \| good	48.732 \| good	14.751 \| good	0.554 \| good	4.281 \| good	0.143 \| good
2025-11-15T07:00:00.000Z	54 \| moderate	10.755 \| good	47.538 \| good	11.315 \| good	0.557 \| good	4.341 \| good	0.142 \| good
2025-11-15T08:00:00.000Z	54 \| moderate	11.103 \| good	49.139 \| good	5.757 \| good	0.56 \| good	4.401 \| good	0.142 \| good
2025-11-15T09:00:00.000Z	52 \| moderate	10.142 \| good	45.008 \| good	4.297 \| good	0.563 \| good	4.461 \| good	0.141 \| good
2025-11-15T10:00:00.000Z	49 \| good	9.421 \| good	41.906 \| good	4.288 \| good	0.629 \| good	4.976 \| good	0.146 \| good
2025-11-15T11:00:00.000Z	52 \| moderate	9.943 \| good	44.204 \| good	4.082 \| good	0.695 \| good	5.492 \| good	0.15 \| good
2025-11-15T12:00:00.000Z	56 \| moderate	11.52 \| good	50.967 \| good	5.101 \| good	0.762 \| good	6.008 \| good	0.155 \| good
2025-11-15T13:00:00.000Z	54 \| moderate	11.318 \| good	50.187 \| good	11.714 \| good	0.799 \| good	5.341 \| good	0.153 \| good
2025-11-15T14:00:00.000Z	44 \| good	8.148 \| good	35.843 \| good	30.026 \| good	0.836 \| good	4.674 \| good	0.15 \| good

Bay St. Louis, Mississippi live air quality index now

Major air pollutants in Bay St. Louis, Mississippi

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Bay St. Louis, Mississippi air quality map: Track AQI near you

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 Bay St. Louis, Mississippi?

What is the current concentration of PM10 in Bay St. Louis, Mississippi?

What is the current concentration of carbon monoxide (CO) in Bay St. Louis, Mississippi?

What is the current concentration of sulfur dioxide (SO2) in Bay St. Louis, Mississippi?

What is the current concentration of ozone (O3) in Bay St. Louis, Mississippi?

What is the current concentration of nitrogen dioxide (NO2) in Bay St. Louis, Mississippi?

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 Bay St. Louis, Mississippi?

What is the current concentration of PM₁₀ in Bay St. Louis, Mississippi?

What is the current concentration of sulfur dioxide (SO₂) in Bay St. Louis, Mississippi?

What is the current concentration of ozone (O₃) in Bay St. Louis, Mississippi?

What is the current concentration of nitrogen dioxide (NO₂) in Bay St. Louis, Mississippi?