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

The current PM10 concentration at London, Ohio is 17.365 μg/m3.

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

The current sulfur dioxide (SO2) concentration at London, Ohio is 1.45 ppb.

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

The current ozone (O3) concentration at London, Ohio is 24.171 ppm.

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

The current nitrogen dioxide (NO2) concentration at London, Ohio is 13.069 ppb.

London, Ohio live air quality index now

Q: What is the current concentration of PM2.5 in London, Ohio?

The current PM2.5 concentration at London, Ohio is 4.314 μg/m3.

Stay updated with real-time air quality in London, 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

London, Ohio

Last updated: ... (Local time)

Major air pollutants in London, Ohio

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.31 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

17.36 μg/m³

155

255

425

605+

Ozone (O₃)

24.17 ppb

201

201+

Sulfur Dioxide (SO₂)

1.45 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

13.07 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.28 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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London, Ohio

Scroll To Air Quality Map

Track live London, Ohio air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-03T11:00:00.000Z	60 \| moderate	14.046 \| fine	37.243 \| good	18.662 \| good	1.43 \| good	16.02 \| good	0.284 \| good
2026-03-03T12:00:00.000Z	60 \| moderate	14.211 \| fine	43.147 \| good	15.454 \| good	1.438 \| good	16.746 \| good	0.34 \| good
2026-03-03T13:00:00.000Z	60 \| moderate	13.96 \| fine	52.023 \| good	12.757 \| good	1.444 \| good	17.38 \| good	0.43 \| good
2026-03-03T14:00:00.000Z	64 \| moderate	16.249 \| fine	61.018 \| fine	13.564 \| good	1.464 \| good	18.407 \| good	0.507 \| good
2026-03-03T15:00:00.000Z	67 \| moderate	18.218 \| fine	45.939 \| good	13.834 \| good	1.68 \| good	16.921 \| good	0.46 \| good
2026-03-03T16:00:00.000Z	64 \| moderate	16.486 \| fine	39.323 \| good	11.566 \| good	1.829 \| good	17.063 \| good	0.389 \| good
2026-03-03T17:00:00.000Z	66 \| moderate	17.308 \| fine	48.905 \| good	12.54 \| good	1.103 \| good	17.259 \| good	0.428 \| good
2026-03-03T18:00:00.000Z	67 \| moderate	18.011 \| fine	49.648 \| good	16.658 \| good	1.787 \| good	15.916 \| good	0.413 \| good
2026-03-03T19:00:00.000Z	60 \| moderate	14.128 \| fine	56.865 \| fine	19.676 \| good	1.837 \| good	19.65 \| good	0.276 \| good
2026-03-03T20:00:00.000Z	64 \| moderate	15.647 \| fine	45.201 \| good	18.594 \| good	1.676 \| good	18.217 \| good	0.27 \| good
2026-03-03T21:00:00.000Z	54 \| moderate	10.96 \| good	53.789 \| good	23.295 \| good	2.043 \| good	17.198 \| good	0.27 \| good
2026-03-03T22:00:00.000Z	60 \| moderate	13.7 \| fine	46.213 \| good	21.594 \| good	2.222 \| good	20.857 \| good	0.392 \| good
2026-03-03T23:00:00.000Z	58 \| moderate	12.789 \| fine	28.679 \| good	23.84 \| good	2.15 \| good	22.672 \| good	0.486 \| good
2026-03-04T00:00:00.000Z	58 \| moderate	12.885 \| fine	37.143 \| good	19.953 \| good	2.635 \| good	22.464 \| good	0.501 \| good
2026-03-04T01:00:00.000Z	66 \| moderate	17.331 \| fine	54.43 \| good	7.657 \| good	2.036 \| good	19.269 \| good	0.409 \| good
2026-03-04T02:00:00.000Z	66 \| moderate	17.193 \| fine	48.948 \| good	8.116 \| good	2.123 \| good	17.583 \| good	0.361 \| good
2026-03-04T03:00:00.000Z	71 \| moderate	19.788 \| fine	87.413 \| fine	20.672 \| good	0.923 \| good	10.778 \| good	0.277 \| good
2026-03-04T04:00:00.000Z	62 \| moderate	15.091 \| fine	42.894 \| good	14.057 \| good	1.686 \| good	14.026 \| good	0.227 \| good
2026-03-04T05:00:00.000Z	56 \| moderate	12.388 \| fine	33.299 \| good	11.233 \| good	1.656 \| good	12.683 \| good	0.288 \| good
2026-03-04T06:00:00.000Z	58 \| moderate	12.633 \| fine	21.157 \| good	9.185 \| good	1.44 \| good	15.362 \| good	0.274 \| good
2026-03-04T07:00:00.000Z	56 \| moderate	12.182 \| fine	26.295 \| good	14.849 \| good	1.44 \| good	16.375 \| good	0.274 \| good
2026-03-04T08:00:00.000Z	49 \| good	9.345 \| good	13.895 \| good	10.201 \| good	1.699 \| good	15.857 \| good	0.226 \| good
2026-03-04T09:00:00.000Z	44 \| good	7.952 \| good	21.463 \| good	9.332 \| good	1.44 \| good	17.66 \| good	0.213 \| good
2026-03-04T10:00:00.000Z	49 \| good	8.579 \| good	20.75 \| good	6.559 \| good	1.433 \| good	15.611 \| good	0.237 \| good
2026-03-04T11:00:00.000Z	59 \| moderate	10.747 \| good	70.606 \| fine	6.059 \| good	1.682 \| good	10.436 \| good	0.274 \| good
2026-03-04T12:00:00.000Z	54 \| moderate	10.907 \| good	22.374 \| good	6.823 \| good	1.701 \| good	9.934 \| good	0.376 \| good
2026-03-04T13:00:00.000Z	52 \| moderate	9.743 \| good	51.071 \| good	7.023 \| good	1.745 \| good	10.09 \| good	0.391 \| good
2026-03-04T14:00:00.000Z	60 \| moderate	8.805 \| good	74.024 \| fine	5.693 \| good	1.505 \| good	10.197 \| good	0.264 \| good
2026-03-04T15:00:00.000Z	44 \| good	8.183 \| good	38.992 \| good	6.3 \| good	1.735 \| good	10.395 \| good	0.31 \| good
2026-03-04T16:00:00.000Z	38 \| good	6.932 \| good	40.122 \| good	6.899 \| good	1.756 \| good	9.629 \| good	0.226 \| good
2026-03-04T17:00:00.000Z	44 \| good	8.48 \| good	38.589 \| good	9.943 \| good	1.707 \| good	11.88 \| good	0.211 \| good
2026-03-04T18:00:00.000Z	44 \| good	7.792 \| good	31.284 \| good	8.619 \| good	1.68 \| good	15.373 \| good	0.243 \| good
2026-03-04T19:00:00.000Z	54 \| moderate	9.405 \| good	61.075 \| fine	11.862 \| good	1.711 \| good	15.678 \| good	0.291 \| good
2026-03-04T20:00:00.000Z	56 \| moderate	11.798 \| good	29.31 \| good	14.635 \| good	1.887 \| good	14.792 \| good	0.306 \| good
2026-03-04T21:00:00.000Z	54 \| moderate	11.032 \| good	48.003 \| good	14.964 \| good	1.652 \| good	14.75 \| good	0.335 \| good
2026-03-04T22:00:00.000Z	64 \| moderate	16.372 \| fine	66.206 \| fine	15.706 \| good	1.492 \| good	15.407 \| good	0.335 \| good
2026-03-04T23:00:00.000Z	62 \| moderate	15.218 \| fine	48.309 \| good	16.265 \| good	1.475 \| good	16.385 \| good	0.367 \| good
2026-03-05T00:00:00.000Z	64 \| moderate	15.562 \| fine	47.215 \| good	15.503 \| good	1.706 \| good	17.519 \| good	0.367 \| good
2026-03-05T01:00:00.000Z	64 \| moderate	15.772 \| fine	58.883 \| fine	10.614 \| good	1.707 \| good	18.489 \| good	0.352 \| good
2026-03-05T02:00:00.000Z	62 \| moderate	15.117 \| fine	54.858 \| good	17.299 \| good	1.467 \| good	19.017 \| good	0.32 \| good
2026-03-05T03:00:00.000Z	38 \| good	7.475 \| good	33.127 \| good	31.114 \| good	2.025 \| good	8.251 \| good	0.216 \| good
2026-03-05T04:00:00.000Z	60 \| moderate	14.022 \| fine	58.392 \| fine	13.387 \| good	1.453 \| good	16.083 \| good	0.291 \| good
2026-03-05T05:00:00.000Z	52 \| moderate	9.596 \| good	18.631 \| good	18.242 \| good	1.45 \| good	20.206 \| good	0.244 \| good
2026-03-05T06:00:00.000Z	44 \| good	7.943 \| good	18.623 \| good	20.791 \| good	1.455 \| good	18.436 \| good	0.243 \| good
2026-03-05T07:00:00.000Z	33 \| good	6.13 \| good	17.029 \| good	26.121 \| good	1.711 \| good	16.993 \| good	0.196 \| good
2026-03-05T08:00:00.000Z	38 \| good	6.542 \| good	23.509 \| good	24.676 \| good	1.706 \| good	14.34 \| good	0.277 \| good
2026-03-05T09:00:00.000Z	27 \| good	4.872 \| good	19.964 \| good	23.916 \| good	1.449 \| good	13.63 \| good	0.287 \| good
2026-03-05T10:00:00.000Z	22 \| good	4.314 \| good	17.365 \| good	24.171 \| good	1.45 \| good	13.069 \| good	0.276 \| good
2026-03-05T10:00:00.000Z	22 \| good	4.314 \| good	17.365 \| good	24.171 \| good	1.45 \| good	13.069 \| good	0.276 \| good
2026-03-05T11:00:00.000Z	33 \| good	6.351 \| good	28.079 \| good	31.508 \| good	1.521 \| good	2.342 \| good	0.148 \| good
2026-03-05T12:00:00.000Z	33 \| good	6.33 \| good	28.126 \| good	30.722 \| good	1.343 \| good	2.479 \| good	0.148 \| good
2026-03-05T13:00:00.000Z	33 \| good	6.1 \| good	27.059 \| good	31.936 \| good	1.415 \| good	2.848 \| good	0.15 \| good
2026-03-05T14:00:00.000Z	34 \| good	5.73 \| good	24.814 \| good	36.501 \| good	1.488 \| good	3.218 \| good	0.152 \| good
2026-03-05T15:00:00.000Z	33 \| good	6.201 \| good	27.649 \| good	35.115 \| good	1.56 \| good	3.588 \| good	0.154 \| good
2026-03-05T16:00:00.000Z	38 \| good	6.875 \| good	30.205 \| good	35 \| good	1.605 \| good	3.324 \| good	0.149 \| good
2026-03-05T17:00:00.000Z	36 \| good	5.345 \| good	22.873 \| good	39.138 \| good	1.651 \| good	3.061 \| good	0.144 \| good
2026-03-05T18:00:00.000Z	35 \| good	5.162 \| good	22.105 \| good	38.45 \| good	1.696 \| good	2.797 \| good	0.139 \| good
2026-03-05T19:00:00.000Z	32 \| good	4.79 \| good	20.909 \| good	35.077 \| good	1.576 \| good	2.577 \| good	0.136 \| good
2026-03-05T20:00:00.000Z	33 \| good	4.348 \| good	19.021 \| good	36.404 \| good	1.455 \| good	2.357 \| good	0.132 \| good
2026-03-05T21:00:00.000Z	35 \| good	3.867 \| good	17 \| good	38.064 \| good	1.335 \| good	2.137 \| good	0.128 \| good
2026-03-05T22:00:00.000Z	37 \| good	3.796 \| good	16.672 \| good	39.926 \| good	1.275 \| good	2.669 \| good	0.131 \| good
2026-03-05T23:00:00.000Z	32 \| good	4.488 \| good	19.709 \| good	34.783 \| good	1.216 \| good	3.201 \| good	0.133 \| good
2026-03-06T00:00:00.000Z	34 \| good	4.216 \| good	18.61 \| good	36.892 \| good	1.157 \| good	3.733 \| good	0.135 \| good
2026-03-06T01:00:00.000Z	31 \| good	4.575 \| good	19.78 \| good	33.134 \| good	1.277 \| good	3.915 \| good	0.139 \| good
2026-03-06T02:00:00.000Z	31 \| good	4.303 \| good	18.955 \| good	32.888 \| good	1.398 \| good	4.098 \| good	0.143 \| good
2026-03-06T03:00:00.000Z	31 \| good	4.723 \| good	20.874 \| good	33.444 \| good	1.519 \| good	4.28 \| good	0.147 \| good
2026-03-06T04:00:00.000Z	33 \| good	5.7 \| good	24.462 \| good	29.824 \| good	1.584 \| good	4.245 \| good	0.149 \| good
2026-03-06T05:00:00.000Z	38 \| good	6.576 \| good	29.539 \| good	28.815 \| good	1.65 \| good	4.209 \| good	0.151 \| good
2026-03-06T06:00:00.000Z	38 \| good	7.454 \| good	32.757 \| good	25.261 \| good	1.715 \| good	4.174 \| good	0.153 \| good
2026-03-06T07:00:00.000Z	49 \| good	8.616 \| good	37.799 \| good	22.593 \| good	1.632 \| good	4.176 \| good	0.156 \| good
2026-03-06T08:00:00.000Z	49 \| good	9.491 \| good	42.517 \| good	21.131 \| good	1.549 \| good	4.178 \| good	0.159 \| good
2026-03-06T09:00:00.000Z	54 \| moderate	10.822 \| good	47.794 \| good	22.161 \| good	1.466 \| good	4.18 \| good	0.162 \| good
2026-03-06T10:00:00.000Z	54 \| moderate	11.468 \| good	50.704 \| good	20.598 \| good	1.421 \| good	4.929 \| good	0.169 \| good
2026-03-06T11:00:00.000Z	54 \| moderate	10.641 \| good	47.33 \| good	20.722 \| good	1.375 \| good	5.678 \| good	0.176 \| good
2026-03-06T12:00:00.000Z	56 \| moderate	11.592 \| good	51.228 \| good	22.699 \| good	1.329 \| good	6.428 \| good	0.183 \| good
2026-03-06T13:00:00.000Z	49 \| good	9.332 \| good	41.364 \| good	25.069 \| good	1.507 \| good	5.796 \| good	0.179 \| good
2026-03-06T14:00:00.000Z	33 \| good	6.14 \| good	26.833 \| good	28.713 \| good	1.685 \| good	5.165 \| good	0.174 \| good
2026-03-06T15:00:00.000Z	31 \| good	5.344 \| good	22.874 \| good	32.657 \| good	1.863 \| good	4.534 \| good	0.17 \| good
2026-03-06T16:00:00.000Z	38 \| good	6.608 \| good	29.591 \| good	33.291 \| good	2.037 \| good	3.629 \| good	0.158 \| good
2026-03-06T17:00:00.000Z	38 \| good	6.755 \| good	29.958 \| good	39.676 \| good	2.21 \| good	2.725 \| good	0.145 \| good
2026-03-06T18:00:00.000Z	38 \| good	6.629 \| good	29.421 \| good	40.439 \| good	2.383 \| good	1.82 \| good	0.132 \| good
2026-03-06T19:00:00.000Z	40 \| good	5.682 \| good	24.487 \| good	43.213 \| good	2.12 \| good	1.556 \| good	0.128 \| good
2026-03-06T20:00:00.000Z	41 \| good	4.825 \| good	20.73 \| good	44.386 \| good	1.857 \| good	1.292 \| good	0.124 \| good
2026-03-06T21:00:00.000Z	41 \| good	4.686 \| good	20.625 \| good	43.916 \| good	1.593 \| good	1.029 \| good	0.119 \| good
2026-03-06T22:00:00.000Z	38 \| good	3.569 \| good	15.737 \| good	40.516 \| good	1.652 \| good	2.051 \| good	0.124 \| good
2026-03-06T23:00:00.000Z	33 \| good	4.489 \| good	19.171 \| good	35.734 \| good	1.711 \| good	3.074 \| good	0.128 \| good
2026-03-07T00:00:00.000Z	33 \| good	3.485 \| good	15.432 \| good	36.036 \| good	1.77 \| good	4.097 \| good	0.133 \| good
2026-03-07T01:00:00.000Z	35 \| good	3.217 \| good	13.897 \| good	38.417 \| good	1.949 \| good	4.008 \| good	0.131 \| good
2026-03-07T02:00:00.000Z	33 \| good	3.013 \| good	12.181 \| good	36.268 \| good	2.129 \| good	3.919 \| good	0.129 \| good
2026-03-07T03:00:00.000Z	31 \| good	2.91 \| good	11.937 \| good	34.105 \| good	2.309 \| good	3.83 \| good	0.127 \| good
2026-03-07T04:00:00.000Z	31 \| good	2.686 \| good	10.939 \| good	33.061 \| good	2.124 \| good	3.466 \| good	0.123 \| good
2026-03-07T05:00:00.000Z	31 \| good	2.715 \| good	11.024 \| good	34.271 \| good	1.939 \| good	3.102 \| good	0.119 \| good
2026-03-07T06:00:00.000Z	28 \| good	4.284 \| good	4.474 \| good	29.854 \| good	1.745 \| good	2.732 \| good	0.116 \| good
2026-03-07T07:00:00.000Z	33 \| good	3.381 \| good	14.98 \| good	35.677 \| good	1.619 \| good	2.494 \| good	0.114 \| good
2026-03-07T08:00:00.000Z	33 \| good	3.814 \| good	16.712 \| good	35.647 \| good	1.483 \| good	2.25 \| good	0.113 \| good
2026-03-07T09:00:00.000Z	31 \| good	3.739 \| good	16.126 \| good	33.738 \| good	1.347 \| good	2.006 \| good	0.111 \| good
2026-03-07T10:00:00.000Z	32 \| good	4.541 \| good	19.714 \| good	34.664 \| good	1.292 \| good	2.002 \| good	0.11 \| good

London

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London, Ohio air quality map: Track AQI near you

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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 London, Ohio updated?

The air quality for London, Ohio is updated every hour.

When was the worst air quality at London, Ohio in the last 24 hrs?

The worst air quality in London, Ohio in the last 24 hours was observed at 01:00:00 on 2026-03-05.

When was the best air quality at London, Ohio in the last 24 hrs?

In the last 24 hrs, the best air quality in London, Ohio was observed at 09:00:00 on 2026-03-05.

What is the current air quality in London, Ohio?

The current air quality in London, Ohio is 22, categorized as Good based on real-time data.

What pollutant is the most common in London, Ohio?

The most common pollutant in London, Ohio is O3.

What should I do if the air quality in London, Ohio is poor?

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

What is the current concentration of PM_2.5 in London, Ohio?

The current PM_2.5 concentration at London, Ohio is 4.314 μg/m³.

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

The current PM₁₀ concentration at London, Ohio is 17.365 μg/m³.

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

The current carbon monoxide (CO) concentration at London, Ohio is 0.276 ppm.

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

The current sulfur dioxide (SO₂) concentration at London, Ohio is 1.45 ppb.

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

The current ozone (O₃) concentration at London, Ohio is 24.171 ppm.

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

The current nitrogen dioxide (NO₂) concentration at London, Ohio is 13.069 ppb.

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