What is the current concentration of PM10 in St Helens, Merseyside?

The current PM10 concentration at St Helens, Merseyside is 16.078 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in St Helens, Merseyside?

The current sulfur dioxide (SO2) concentration at St Helens, Merseyside is 0.848 ppb.

What is the current concentration of ozone (O3) in St Helens, Merseyside?

The current ozone (O3) concentration at St Helens, Merseyside is 48.121 ppm.

What is the current concentration of nitrogen dioxide (NO2) in St Helens, Merseyside?

The current nitrogen dioxide (NO2) concentration at St Helens, Merseyside is 10.051 ppb.

Live air quality index in St Helens, Merseyside today

Name: Live air pollution levels in St Helens, Merseyside today
Creator: Ambee

Stay updated with real-time air quality in St Helens, Merseyside 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

St Helens, Merseyside

Last updated: ... (Local time)

Major air pollutants in St Helens, Merseyside

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.68 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

16.08 μg/m³

155

255

425

605+

Ozone (O₃)

48.12 ppb

201

201+

Sulfur Dioxide (SO₂)

0.85 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

10.05 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.10 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

St Helens, Merseyside

Get Live Pollen Counts

St Helens, Merseyside

Scroll To Air Quality Map

Track live St Helens, Merseyside air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-11T01:00:00.000Z	38 \| good	7.221 \| good	13.951 \| good	34.755 \| good	0.407 \| good	19.357 \| good	0.306 \| good
2025-06-11T02:00:00.000Z	38 \| good	7.109 \| good	13.626 \| good	34.319 \| good	0.407 \| good	19.357 \| good	0.31 \| good
2025-06-11T03:00:00.000Z	44 \| good	7.797 \| good	16.326 \| good	28.589 \| good	3.004 \| good	8.134 \| good	0.304 \| good
2025-06-11T04:00:00.000Z	44 \| good	7.927 \| good	15.767 \| good	23.984 \| good	0.382 \| good	7.892 \| good	0.364 \| good
2025-06-11T05:00:00.000Z	44 \| good	8.055 \| good	18.084 \| good	21.238 \| good	0.382 \| good	9.606 \| good	0.105 \| good
2025-06-11T06:00:00.000Z	49 \| good	8.649 \| good	18.117 \| good	17.493 \| good	0.628 \| good	17.392 \| good	0.118 \| good
2025-06-11T07:00:00.000Z	44 \| good	8.406 \| good	18.623 \| good	16.149 \| good	0.747 \| good	15.012 \| good	0.114 \| good
2025-06-11T08:00:00.000Z	49 \| good	9.424 \| good	18.824 \| good	15.564 \| good	0.654 \| good	12.671 \| good	0.102 \| good
2025-06-11T09:00:00.000Z	49 \| good	9.328 \| good	19.128 \| good	18.308 \| good	2.056 \| good	13.647 \| good	0.102 \| good
2025-06-11T10:00:00.000Z	49 \| good	9.354 \| good	19.941 \| good	18.502 \| good	1.328 \| good	12.882 \| good	0.101 \| good
2025-06-11T11:00:00.000Z	52 \| moderate	9.723 \| good	19.447 \| good	19.681 \| good	0.79 \| good	9.865 \| good	0.104 \| good
2025-06-11T12:00:00.000Z	52 \| moderate	10.224 \| good	21.535 \| good	22.082 \| good	0.744 \| good	9.929 \| good	0.113 \| good
2025-06-11T13:00:00.000Z	54 \| moderate	10.555 \| good	21.306 \| good	27.336 \| good	0.94 \| good	8.036 \| good	0.098 \| good
2025-06-11T14:00:00.000Z	52 \| moderate	9.815 \| good	20.617 \| good	31.107 \| good	0.734 \| good	8.983 \| good	0.1 \| good
2025-06-11T15:00:00.000Z	52 \| moderate	9.796 \| good	21.224 \| good	36.103 \| good	0.724 \| good	8.759 \| good	0.104 \| good
2025-06-11T16:00:00.000Z	52 \| moderate	10.421 \| good	20.811 \| good	40.065 \| good	0.66 \| good	9.962 \| good	0.105 \| good
2025-06-11T17:00:00.000Z	52 \| moderate	9.958 \| good	20.973 \| good	43.152 \| good	0.669 \| good	9.82 \| good	0.111 \| good
2025-06-11T18:00:00.000Z	52 \| moderate	10.034 \| good	21.53 \| good	45.638 \| good	0.456 \| good	8.109 \| good	0.107 \| good
2025-06-11T19:00:00.000Z	52 \| moderate	10.086 \| good	21.676 \| good	46.292 \| good	0.402 \| good	7.442 \| good	0.111 \| good
2025-06-11T20:00:00.000Z	52 \| moderate	9.948 \| good	20.912 \| good	48.615 \| good	0.401 \| good	6.469 \| good	0.11 \| good
2025-06-11T21:00:00.000Z	52 \| moderate	9.981 \| good	20.453 \| good	47.991 \| good	0.437 \| good	8.858 \| good	0.105 \| good
2025-06-11T22:00:00.000Z	52 \| moderate	9.837 \| good	20.031 \| good	48.171 \| good	0.438 \| good	7.541 \| good	0.102 \| good
2025-06-11T23:00:00.000Z	52 \| moderate	9.592 \| good	19.997 \| good	47.022 \| good	0.473 \| good	7.014 \| good	0.089 \| good
2025-06-12T00:00:00.000Z	52 \| moderate	9.806 \| good	20.149 \| good	45.936 \| good	0.469 \| good	5.895 \| good	0.292 \| good
2025-06-12T01:00:00.000Z	52 \| moderate	9.769 \| good	20.073 \| good	44.992 \| good	0.748 \| good	4.957 \| good	0.345 \| good
2025-06-12T02:00:00.000Z	49 \| good	9.232 \| good	20.823 \| good	45.256 \| good	0.775 \| good	3.563 \| good	0.282 \| good
2025-06-12T03:00:00.000Z	49 \| good	9.428 \| good	20.936 \| good	45.223 \| good	2.781 \| good	3.4 \| good	0.285 \| good
2025-06-12T04:00:00.000Z	49 \| good	9.417 \| good	20.833 \| good	44.994 \| good	2.767 \| good	3.4 \| good	0.29 \| good
2025-06-12T05:00:00.000Z	49 \| good	9.24 \| good	21.222 \| good	43.357 \| good	0.745 \| good	3.632 \| good	0.089 \| good
2025-06-12T06:00:00.000Z	49 \| good	9.237 \| good	20.563 \| good	43.198 \| good	0.744 \| good	6.086 \| good	0.102 \| good
2025-06-12T07:00:00.000Z	49 \| good	8.684 \| good	18.854 \| good	43.366 \| good	0.747 \| good	8.946 \| good	0.145 \| good
2025-06-12T08:00:00.000Z	49 \| good	8.61 \| good	20.322 \| good	42.809 \| good	0.8 \| good	11.344 \| good	0.108 \| good
2025-06-12T09:00:00.000Z	44 \| good	8.398 \| good	20.592 \| good	42.819 \| good	0.837 \| good	10.364 \| good	0.102 \| good
2025-06-12T10:00:00.000Z	44 \| good	8.303 \| good	19.192 \| good	42.94 \| good	1.129 \| good	8.779 \| good	0.098 \| good
2025-06-12T11:00:00.000Z	49 \| good	8.949 \| good	19.115 \| good	42.833 \| good	1.131 \| good	9.837 \| good	0.099 \| good
2025-06-12T12:00:00.000Z	49 \| good	8.784 \| good	19.889 \| good	43.358 \| good	0.839 \| good	10.386 \| good	0.096 \| good
2025-06-12T13:00:00.000Z	49 \| good	8.79 \| good	19.968 \| good	44.097 \| good	0.792 \| good	9.947 \| good	0.286 \| good
2025-06-12T14:00:00.000Z	49 \| good	8.84 \| good	20.6 \| good	46.139 \| good	0.793 \| good	8.093 \| good	0.301 \| good
2025-06-12T15:00:00.000Z	49 \| good	9.161 \| good	21.309 \| good	46.914 \| good	0.801 \| good	10.869 \| good	0.097 \| good
2025-06-12T16:00:00.000Z	49 \| good	9.211 \| good	21.833 \| good	48.99 \| good	0.783 \| good	9.297 \| good	0.102 \| good
2025-06-12T17:00:00.000Z	49 \| good	9.004 \| good	22.092 \| good	51.131 \| good	0.726 \| good	9.044 \| good	0.105 \| good
2025-06-12T18:00:00.000Z	52 \| moderate	9.562 \| good	21.424 \| good	51.693 \| good	0.767 \| good	9.283 \| good	0.11 \| good
2025-06-12T19:00:00.000Z	52 \| moderate	9.79 \| good	21.653 \| good	50.926 \| good	1.097 \| good	8.562 \| good	0.113 \| good
2025-06-12T20:00:00.000Z	52 \| moderate	9.544 \| good	21.595 \| good	50.26 \| good	1.432 \| good	7.004 \| good	0.115 \| good
2025-06-12T21:00:00.000Z	49 \| good	9.448 \| good	20.345 \| good	49.633 \| good	1.955 \| good	6.476 \| good	0.111 \| good
2025-06-12T22:00:00.000Z	49 \| good	9.383 \| good	21.024 \| good	48.406 \| good	1.016 \| good	6.011 \| good	0.095 \| good
2025-06-12T23:00:00.000Z	49 \| good	8.685 \| good	20.629 \| good	46.899 \| good	0.985 \| good	5.521 \| good	0.102 \| good
2025-06-13T00:00:00.000Z	44 \| good	3.684 \| good	16.078 \| good	48.121 \| good	0.848 \| good	10.051 \| good	0.101 \| good
2025-06-13T01:00:00.000Z	44 \| good	7.984 \| good	9.654 \| good	27.724 \| good	0.495 \| good	5.561 \| good	0.146 \| good
2025-06-13T02:00:00.000Z	44 \| good	7.754 \| good	10.905 \| good	26.566 \| good	0.484 \| good	4.954 \| good	0.141 \| good
2025-06-13T03:00:00.000Z	44 \| good	7.748 \| good	10.727 \| good	26.777 \| good	0.46 \| good	4.546 \| good	0.14 \| good
2025-06-13T04:00:00.000Z	44 \| good	7.549 \| good	11.244 \| good	27.522 \| good	0.436 \| good	3.829 \| good	0.137 \| good
2025-06-13T05:00:00.000Z	44 \| good	7.547 \| good	12.564 \| good	29.497 \| good	0.436 \| good	3.678 \| good	0.134 \| good
2025-06-13T06:00:00.000Z	49 \| good	8.527 \| good	13.991 \| good	30.287 \| good	0.46 \| good	3.594 \| good	0.129 \| good
2025-06-13T07:00:00.000Z	44 \| good	8.227 \| good	14.241 \| good	29.424 \| good	0.466 \| good	3.995 \| good	0.134 \| good
2025-06-13T08:00:00.000Z	38 \| good	7.293 \| good	13.049 \| good	28.862 \| good	0.5 \| good	4.42 \| good	0.135 \| good
2025-06-13T09:00:00.000Z	33 \| good	6.394 \| good	11.317 \| good	29.081 \| good	0.521 \| good	3.724 \| good	0.129 \| good
2025-06-13T10:00:00.000Z	33 \| good	5.789 \| good	9.024 \| good	31.92 \| good	0.502 \| good	3.254 \| good	0.134 \| good
2025-06-13T11:00:00.000Z	33 \| good	5.793 \| good	7.274 \| good	33.729 \| good	0.528 \| good	2.858 \| good	0.14 \| good
2025-06-13T12:00:00.000Z	34 \| good	5.02 \| good	7.36 \| good	36.512 \| good	0.567 \| good	2.718 \| good	0.145 \| good
2025-06-13T13:00:00.000Z	32 \| good	4.45 \| good	6.183 \| good	34.743 \| good	0.578 \| good	2.74 \| good	0.153 \| good
2025-06-13T14:00:00.000Z	31 \| good	3.934 \| good	6.233 \| good	33.235 \| good	0.546 \| good	2.951 \| good	0.15 \| good
2025-06-13T15:00:00.000Z	31 \| good	4.109 \| good	6.118 \| good	33.78 \| good	0.58 \| good	3.377 \| good	0.157 \| good
2025-06-13T16:00:00.000Z	31 \| good	4.346 \| good	6.646 \| good	34.133 \| good	0.593 \| good	4.162 \| good	0.167 \| good
2025-06-13T17:00:00.000Z	32 \| good	5.083 \| good	7.337 \| good	34.649 \| good	0.546 \| good	4.521 \| good	0.174 \| good
2025-06-13T18:00:00.000Z	33 \| good	5.774 \| good	7.953 \| good	35.08 \| good	0.437 \| good	4.675 \| good	0.18 \| good
2025-06-13T19:00:00.000Z	33 \| good	5.981 \| good	8.966 \| good	33.79 \| good	0.379 \| good	4.353 \| good	0.176 \| good
2025-06-13T20:00:00.000Z	38 \| good	6.614 \| good	9.375 \| good	32.062 \| good	0.365 \| good	4.909 \| good	0.179 \| good
2025-06-13T21:00:00.000Z	38 \| good	7.48 \| good	10.099 \| good	29.521 \| good	0.386 \| good	5.539 \| good	0.173 \| good
2025-06-13T22:00:00.000Z	44 \| good	7.685 \| good	10.41 \| good	27.19 \| good	0.346 \| good	6.579 \| good	0.174 \| good
2025-06-13T23:00:00.000Z	44 \| good	7.629 \| good	10.242 \| good	24.761 \| good	0.308 \| good	7.03 \| good	0.174 \| good
2025-06-14T00:00:00.000Z	38 \| good	7.418 \| good	9.321 \| good	22.207 \| good	0.247 \| good	7.313 \| good	0.176 \| good
2025-06-14T01:00:00.000Z	33 \| good	6.259 \| good	7.911 \| good	22.482 \| good	0.207 \| good	7.569 \| good	0.17 \| good
2025-06-14T02:00:00.000Z	33 \| good	5.854 \| good	6.839 \| good	20.359 \| good	0.201 \| good	8.484 \| good	0.166 \| good
2025-06-14T03:00:00.000Z	33 \| good	5.722 \| good	6.604 \| good	17.931 \| good	0.205 \| good	9.796 \| good	0.167 \| good
2025-06-14T04:00:00.000Z	33 \| good	5.875 \| good	6.907 \| good	14.846 \| good	0.229 \| good	10.874 \| good	0.169 \| good
2025-06-14T05:00:00.000Z	33 \| good	6.119 \| good	7.239 \| good	16.279 \| good	0.261 \| good	11.148 \| good	0.168 \| good
2025-06-14T06:00:00.000Z	33 \| good	6.281 \| good	7.358 \| good	15.596 \| good	0.413 \| good	10.036 \| good	0.174 \| good
2025-06-14T07:00:00.000Z	33 \| good	6.483 \| good	7.476 \| good	17.033 \| good	0.69 \| good	10.798 \| good	0.203 \| good
2025-06-14T08:00:00.000Z	38 \| good	6.885 \| good	8.212 \| good	24.818 \| good	1.076 \| good	10.053 \| good	0.193 \| good
2025-06-14T09:00:00.000Z	38 \| good	6.708 \| good	8.653 \| good	31.104 \| good	1.013 \| good	6.831 \| good	0.174 \| good
2025-06-14T10:00:00.000Z	33 \| good	6.353 \| good	7.713 \| good	35.211 \| good	0.394 \| good	3.858 \| good	0.167 \| good
2025-06-14T11:00:00.000Z	35 \| good	5.854 \| good	6.374 \| good	37.787 \| good	0.304 \| good	3.663 \| good	0.169 \| good
2025-06-14T12:00:00.000Z	36 \| good	3.727 \| good	5.041 \| good	39.071 \| good	0.235 \| good	2.861 \| good	0.169 \| good
2025-06-14T13:00:00.000Z	37 \| good	3.45 \| good	4.334 \| good	39.75 \| good	0.21 \| good	2.306 \| good	0.167 \| good
2025-06-14T14:00:00.000Z	37 \| good	3.757 \| good	4.748 \| good	40.085 \| good	0.217 \| good	1.972 \| good	0.165 \| good
2025-06-14T15:00:00.000Z	38 \| good	4.241 \| good	5.128 \| good	40.631 \| good	0.216 \| good	1.856 \| good	0.171 \| good
2025-06-14T16:00:00.000Z	38 \| good	3.595 \| good	4.631 \| good	41.194 \| good	0.196 \| good	2.026 \| good	0.175 \| good
2025-06-14T17:00:00.000Z	37 \| good	3.325 \| good	5.534 \| good	40.095 \| good	0.203 \| good	2.162 \| good	0.176 \| good
2025-06-14T18:00:00.000Z	35 \| good	3.753 \| good	5.504 \| good	37.665 \| good	0.211 \| good	2.102 \| good	0.172 \| good
2025-06-14T19:00:00.000Z	32 \| good	3.607 \| good	5.557 \| good	34.71 \| good	0.21 \| good	2.044 \| good	0.163 \| good
2025-06-14T20:00:00.000Z	30 \| good	3.762 \| good	5.593 \| good	32.475 \| good	0.268 \| good	2.722 \| good	0.164 \| good
2025-06-14T21:00:00.000Z	29 \| good	3.711 \| good	5.713 \| good	31.096 \| good	0.304 \| good	3.299 \| good	0.167 \| good
2025-06-14T22:00:00.000Z	26 \| good	3.887 \| good	5.863 \| good	28.236 \| good	0.321 \| good	4.147 \| good	0.171 \| good
2025-06-14T23:00:00.000Z	27 \| good	3.935 \| good	5.922 \| good	28.545 \| good	0.269 \| good	4 \| good	0.175 \| good
2025-06-15T00:00:00.000Z	27 \| good	4.304 \| good	5.912 \| good	28.71 \| good	0.267 \| good	3.839 \| good	0.178 \| good

St Helens

Get reliable air quality data to drive your business

St Helens, Merseyside air quality map: Track AQI near you

0.10ppm

How accurate is Merseyside, UK air quality data?

Air quality data and pollutant measurements for Merseyside, UK 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 St Helens, Merseyside updated?

The air quality for St Helens, Merseyside is updated every hour.

When was the worst air quality at St Helens, Merseyside in the last 24 hrs?

The worst air quality in St Helens, Merseyside in the last 24 hours was observed at 08:00:00 on 2025-06-12.

When was the best air quality at St Helens, Merseyside in the last 24 hrs?

In the last 24 hrs, the best air quality in St Helens, Merseyside was observed at 10:00:00 on 2025-06-12.

What is the current air quality in St Helens, Merseyside?

The current air quality in St Helens, Merseyside is 44, categorized as Good based on real-time data.

What pollutant is the most common in St Helens, Merseyside?

The most common pollutant in St Helens, Merseyside is O3.

What should I do if the air quality in St Helens, Merseyside is poor?

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

What is the current concentration of PM_2.5 in St Helens, Merseyside?

The current PM_2.5 concentration at St Helens, Merseyside is 3.684 μg/m³.

What is the current concentration of PM₁₀ in St Helens, Merseyside?

The current PM₁₀ concentration at St Helens, Merseyside is 16.078 μg/m³.

What is the current concentration of carbon monoxide (CO) in St Helens, Merseyside?

The current carbon monoxide (CO) concentration at St Helens, Merseyside is 0.101 ppm.

What is the current concentration of sulfur dioxide (SO₂) in St Helens, Merseyside?

The current sulfur dioxide (SO₂) concentration at St Helens, Merseyside is 0.848 ppb.

What is the current concentration of ozone (O₃) in St Helens, Merseyside?

The current ozone (O₃) concentration at St Helens, Merseyside is 48.121 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in St Helens, Merseyside?

The current nitrogen dioxide (NO₂) concentration at St Helens, Merseyside is 10.051 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-11T01:00:00.000Z	38 \| good	7.221 \| good	13.951 \| good	34.755 \| good	0.407 \| good	19.357 \| good	0.306 \| good
2025-06-11T02:00:00.000Z	38 \| good	7.109 \| good	13.626 \| good	34.319 \| good	0.407 \| good	19.357 \| good	0.31 \| good
2025-06-11T03:00:00.000Z	44 \| good	7.797 \| good	16.326 \| good	28.589 \| good	3.004 \| good	8.134 \| good	0.304 \| good
2025-06-11T04:00:00.000Z	44 \| good	7.927 \| good	15.767 \| good	23.984 \| good	0.382 \| good	7.892 \| good	0.364 \| good
2025-06-11T05:00:00.000Z	44 \| good	8.055 \| good	18.084 \| good	21.238 \| good	0.382 \| good	9.606 \| good	0.105 \| good
2025-06-11T06:00:00.000Z	49 \| good	8.649 \| good	18.117 \| good	17.493 \| good	0.628 \| good	17.392 \| good	0.118 \| good
2025-06-11T07:00:00.000Z	44 \| good	8.406 \| good	18.623 \| good	16.149 \| good	0.747 \| good	15.012 \| good	0.114 \| good
2025-06-11T08:00:00.000Z	49 \| good	9.424 \| good	18.824 \| good	15.564 \| good	0.654 \| good	12.671 \| good	0.102 \| good
2025-06-11T09:00:00.000Z	49 \| good	9.328 \| good	19.128 \| good	18.308 \| good	2.056 \| good	13.647 \| good	0.102 \| good
2025-06-11T10:00:00.000Z	49 \| good	9.354 \| good	19.941 \| good	18.502 \| good	1.328 \| good	12.882 \| good	0.101 \| good
2025-06-11T11:00:00.000Z	52 \| moderate	9.723 \| good	19.447 \| good	19.681 \| good	0.79 \| good	9.865 \| good	0.104 \| good
2025-06-11T12:00:00.000Z	52 \| moderate	10.224 \| good	21.535 \| good	22.082 \| good	0.744 \| good	9.929 \| good	0.113 \| good
2025-06-11T13:00:00.000Z	54 \| moderate	10.555 \| good	21.306 \| good	27.336 \| good	0.94 \| good	8.036 \| good	0.098 \| good
2025-06-11T14:00:00.000Z	52 \| moderate	9.815 \| good	20.617 \| good	31.107 \| good	0.734 \| good	8.983 \| good	0.1 \| good
2025-06-11T15:00:00.000Z	52 \| moderate	9.796 \| good	21.224 \| good	36.103 \| good	0.724 \| good	8.759 \| good	0.104 \| good
2025-06-11T16:00:00.000Z	52 \| moderate	10.421 \| good	20.811 \| good	40.065 \| good	0.66 \| good	9.962 \| good	0.105 \| good
2025-06-11T17:00:00.000Z	52 \| moderate	9.958 \| good	20.973 \| good	43.152 \| good	0.669 \| good	9.82 \| good	0.111 \| good
2025-06-11T18:00:00.000Z	52 \| moderate	10.034 \| good	21.53 \| good	45.638 \| good	0.456 \| good	8.109 \| good	0.107 \| good
2025-06-11T19:00:00.000Z	52 \| moderate	10.086 \| good	21.676 \| good	46.292 \| good	0.402 \| good	7.442 \| good	0.111 \| good
2025-06-11T20:00:00.000Z	52 \| moderate	9.948 \| good	20.912 \| good	48.615 \| good	0.401 \| good	6.469 \| good	0.11 \| good
2025-06-11T21:00:00.000Z	52 \| moderate	9.981 \| good	20.453 \| good	47.991 \| good	0.437 \| good	8.858 \| good	0.105 \| good
2025-06-11T22:00:00.000Z	52 \| moderate	9.837 \| good	20.031 \| good	48.171 \| good	0.438 \| good	7.541 \| good	0.102 \| good
2025-06-11T23:00:00.000Z	52 \| moderate	9.592 \| good	19.997 \| good	47.022 \| good	0.473 \| good	7.014 \| good	0.089 \| good
2025-06-12T00:00:00.000Z	52 \| moderate	9.806 \| good	20.149 \| good	45.936 \| good	0.469 \| good	5.895 \| good	0.292 \| good
2025-06-12T01:00:00.000Z	52 \| moderate	9.769 \| good	20.073 \| good	44.992 \| good	0.748 \| good	4.957 \| good	0.345 \| good
2025-06-12T02:00:00.000Z	49 \| good	9.232 \| good	20.823 \| good	45.256 \| good	0.775 \| good	3.563 \| good	0.282 \| good
2025-06-12T03:00:00.000Z	49 \| good	9.428 \| good	20.936 \| good	45.223 \| good	2.781 \| good	3.4 \| good	0.285 \| good
2025-06-12T04:00:00.000Z	49 \| good	9.417 \| good	20.833 \| good	44.994 \| good	2.767 \| good	3.4 \| good	0.29 \| good
2025-06-12T05:00:00.000Z	49 \| good	9.24 \| good	21.222 \| good	43.357 \| good	0.745 \| good	3.632 \| good	0.089 \| good
2025-06-12T06:00:00.000Z	49 \| good	9.237 \| good	20.563 \| good	43.198 \| good	0.744 \| good	6.086 \| good	0.102 \| good
2025-06-12T07:00:00.000Z	49 \| good	8.684 \| good	18.854 \| good	43.366 \| good	0.747 \| good	8.946 \| good	0.145 \| good
2025-06-12T08:00:00.000Z	49 \| good	8.61 \| good	20.322 \| good	42.809 \| good	0.8 \| good	11.344 \| good	0.108 \| good
2025-06-12T09:00:00.000Z	44 \| good	8.398 \| good	20.592 \| good	42.819 \| good	0.837 \| good	10.364 \| good	0.102 \| good
2025-06-12T10:00:00.000Z	44 \| good	8.303 \| good	19.192 \| good	42.94 \| good	1.129 \| good	8.779 \| good	0.098 \| good
2025-06-12T11:00:00.000Z	49 \| good	8.949 \| good	19.115 \| good	42.833 \| good	1.131 \| good	9.837 \| good	0.099 \| good
2025-06-12T12:00:00.000Z	49 \| good	8.784 \| good	19.889 \| good	43.358 \| good	0.839 \| good	10.386 \| good	0.096 \| good
2025-06-12T13:00:00.000Z	49 \| good	8.79 \| good	19.968 \| good	44.097 \| good	0.792 \| good	9.947 \| good	0.286 \| good
2025-06-12T14:00:00.000Z	49 \| good	8.84 \| good	20.6 \| good	46.139 \| good	0.793 \| good	8.093 \| good	0.301 \| good
2025-06-12T15:00:00.000Z	49 \| good	9.161 \| good	21.309 \| good	46.914 \| good	0.801 \| good	10.869 \| good	0.097 \| good
2025-06-12T16:00:00.000Z	49 \| good	9.211 \| good	21.833 \| good	48.99 \| good	0.783 \| good	9.297 \| good	0.102 \| good
2025-06-12T17:00:00.000Z	49 \| good	9.004 \| good	22.092 \| good	51.131 \| good	0.726 \| good	9.044 \| good	0.105 \| good
2025-06-12T18:00:00.000Z	52 \| moderate	9.562 \| good	21.424 \| good	51.693 \| good	0.767 \| good	9.283 \| good	0.11 \| good
2025-06-12T19:00:00.000Z	52 \| moderate	9.79 \| good	21.653 \| good	50.926 \| good	1.097 \| good	8.562 \| good	0.113 \| good
2025-06-12T20:00:00.000Z	52 \| moderate	9.544 \| good	21.595 \| good	50.26 \| good	1.432 \| good	7.004 \| good	0.115 \| good
2025-06-12T21:00:00.000Z	49 \| good	9.448 \| good	20.345 \| good	49.633 \| good	1.955 \| good	6.476 \| good	0.111 \| good
2025-06-12T22:00:00.000Z	49 \| good	9.383 \| good	21.024 \| good	48.406 \| good	1.016 \| good	6.011 \| good	0.095 \| good
2025-06-12T23:00:00.000Z	49 \| good	8.685 \| good	20.629 \| good	46.899 \| good	0.985 \| good	5.521 \| good	0.102 \| good
2025-06-13T00:00:00.000Z	44 \| good	3.684 \| good	16.078 \| good	48.121 \| good	0.848 \| good	10.051 \| good	0.101 \| good
2025-06-13T01:00:00.000Z	44 \| good	7.984 \| good	9.654 \| good	27.724 \| good	0.495 \| good	5.561 \| good	0.146 \| good
2025-06-13T02:00:00.000Z	44 \| good	7.754 \| good	10.905 \| good	26.566 \| good	0.484 \| good	4.954 \| good	0.141 \| good
2025-06-13T03:00:00.000Z	44 \| good	7.748 \| good	10.727 \| good	26.777 \| good	0.46 \| good	4.546 \| good	0.14 \| good
2025-06-13T04:00:00.000Z	44 \| good	7.549 \| good	11.244 \| good	27.522 \| good	0.436 \| good	3.829 \| good	0.137 \| good
2025-06-13T05:00:00.000Z	44 \| good	7.547 \| good	12.564 \| good	29.497 \| good	0.436 \| good	3.678 \| good	0.134 \| good
2025-06-13T06:00:00.000Z	49 \| good	8.527 \| good	13.991 \| good	30.287 \| good	0.46 \| good	3.594 \| good	0.129 \| good
2025-06-13T07:00:00.000Z	44 \| good	8.227 \| good	14.241 \| good	29.424 \| good	0.466 \| good	3.995 \| good	0.134 \| good
2025-06-13T08:00:00.000Z	38 \| good	7.293 \| good	13.049 \| good	28.862 \| good	0.5 \| good	4.42 \| good	0.135 \| good
2025-06-13T09:00:00.000Z	33 \| good	6.394 \| good	11.317 \| good	29.081 \| good	0.521 \| good	3.724 \| good	0.129 \| good
2025-06-13T10:00:00.000Z	33 \| good	5.789 \| good	9.024 \| good	31.92 \| good	0.502 \| good	3.254 \| good	0.134 \| good
2025-06-13T11:00:00.000Z	33 \| good	5.793 \| good	7.274 \| good	33.729 \| good	0.528 \| good	2.858 \| good	0.14 \| good
2025-06-13T12:00:00.000Z	34 \| good	5.02 \| good	7.36 \| good	36.512 \| good	0.567 \| good	2.718 \| good	0.145 \| good
2025-06-13T13:00:00.000Z	32 \| good	4.45 \| good	6.183 \| good	34.743 \| good	0.578 \| good	2.74 \| good	0.153 \| good
2025-06-13T14:00:00.000Z	31 \| good	3.934 \| good	6.233 \| good	33.235 \| good	0.546 \| good	2.951 \| good	0.15 \| good
2025-06-13T15:00:00.000Z	31 \| good	4.109 \| good	6.118 \| good	33.78 \| good	0.58 \| good	3.377 \| good	0.157 \| good
2025-06-13T16:00:00.000Z	31 \| good	4.346 \| good	6.646 \| good	34.133 \| good	0.593 \| good	4.162 \| good	0.167 \| good
2025-06-13T17:00:00.000Z	32 \| good	5.083 \| good	7.337 \| good	34.649 \| good	0.546 \| good	4.521 \| good	0.174 \| good
2025-06-13T18:00:00.000Z	33 \| good	5.774 \| good	7.953 \| good	35.08 \| good	0.437 \| good	4.675 \| good	0.18 \| good
2025-06-13T19:00:00.000Z	33 \| good	5.981 \| good	8.966 \| good	33.79 \| good	0.379 \| good	4.353 \| good	0.176 \| good
2025-06-13T20:00:00.000Z	38 \| good	6.614 \| good	9.375 \| good	32.062 \| good	0.365 \| good	4.909 \| good	0.179 \| good
2025-06-13T21:00:00.000Z	38 \| good	7.48 \| good	10.099 \| good	29.521 \| good	0.386 \| good	5.539 \| good	0.173 \| good
2025-06-13T22:00:00.000Z	44 \| good	7.685 \| good	10.41 \| good	27.19 \| good	0.346 \| good	6.579 \| good	0.174 \| good
2025-06-13T23:00:00.000Z	44 \| good	7.629 \| good	10.242 \| good	24.761 \| good	0.308 \| good	7.03 \| good	0.174 \| good
2025-06-14T00:00:00.000Z	38 \| good	7.418 \| good	9.321 \| good	22.207 \| good	0.247 \| good	7.313 \| good	0.176 \| good
2025-06-14T01:00:00.000Z	33 \| good	6.259 \| good	7.911 \| good	22.482 \| good	0.207 \| good	7.569 \| good	0.17 \| good
2025-06-14T02:00:00.000Z	33 \| good	5.854 \| good	6.839 \| good	20.359 \| good	0.201 \| good	8.484 \| good	0.166 \| good
2025-06-14T03:00:00.000Z	33 \| good	5.722 \| good	6.604 \| good	17.931 \| good	0.205 \| good	9.796 \| good	0.167 \| good
2025-06-14T04:00:00.000Z	33 \| good	5.875 \| good	6.907 \| good	14.846 \| good	0.229 \| good	10.874 \| good	0.169 \| good
2025-06-14T05:00:00.000Z	33 \| good	6.119 \| good	7.239 \| good	16.279 \| good	0.261 \| good	11.148 \| good	0.168 \| good
2025-06-14T06:00:00.000Z	33 \| good	6.281 \| good	7.358 \| good	15.596 \| good	0.413 \| good	10.036 \| good	0.174 \| good
2025-06-14T07:00:00.000Z	33 \| good	6.483 \| good	7.476 \| good	17.033 \| good	0.69 \| good	10.798 \| good	0.203 \| good
2025-06-14T08:00:00.000Z	38 \| good	6.885 \| good	8.212 \| good	24.818 \| good	1.076 \| good	10.053 \| good	0.193 \| good
2025-06-14T09:00:00.000Z	38 \| good	6.708 \| good	8.653 \| good	31.104 \| good	1.013 \| good	6.831 \| good	0.174 \| good
2025-06-14T10:00:00.000Z	33 \| good	6.353 \| good	7.713 \| good	35.211 \| good	0.394 \| good	3.858 \| good	0.167 \| good
2025-06-14T11:00:00.000Z	35 \| good	5.854 \| good	6.374 \| good	37.787 \| good	0.304 \| good	3.663 \| good	0.169 \| good
2025-06-14T12:00:00.000Z	36 \| good	3.727 \| good	5.041 \| good	39.071 \| good	0.235 \| good	2.861 \| good	0.169 \| good
2025-06-14T13:00:00.000Z	37 \| good	3.45 \| good	4.334 \| good	39.75 \| good	0.21 \| good	2.306 \| good	0.167 \| good
2025-06-14T14:00:00.000Z	37 \| good	3.757 \| good	4.748 \| good	40.085 \| good	0.217 \| good	1.972 \| good	0.165 \| good
2025-06-14T15:00:00.000Z	38 \| good	4.241 \| good	5.128 \| good	40.631 \| good	0.216 \| good	1.856 \| good	0.171 \| good
2025-06-14T16:00:00.000Z	38 \| good	3.595 \| good	4.631 \| good	41.194 \| good	0.196 \| good	2.026 \| good	0.175 \| good
2025-06-14T17:00:00.000Z	37 \| good	3.325 \| good	5.534 \| good	40.095 \| good	0.203 \| good	2.162 \| good	0.176 \| good
2025-06-14T18:00:00.000Z	35 \| good	3.753 \| good	5.504 \| good	37.665 \| good	0.211 \| good	2.102 \| good	0.172 \| good
2025-06-14T19:00:00.000Z	32 \| good	3.607 \| good	5.557 \| good	34.71 \| good	0.21 \| good	2.044 \| good	0.163 \| good
2025-06-14T20:00:00.000Z	30 \| good	3.762 \| good	5.593 \| good	32.475 \| good	0.268 \| good	2.722 \| good	0.164 \| good
2025-06-14T21:00:00.000Z	29 \| good	3.711 \| good	5.713 \| good	31.096 \| good	0.304 \| good	3.299 \| good	0.167 \| good
2025-06-14T22:00:00.000Z	26 \| good	3.887 \| good	5.863 \| good	28.236 \| good	0.321 \| good	4.147 \| good	0.171 \| good
2025-06-14T23:00:00.000Z	27 \| good	3.935 \| good	5.922 \| good	28.545 \| good	0.269 \| good	4 \| good	0.175 \| good
2025-06-15T00:00:00.000Z	27 \| good	4.304 \| good	5.912 \| good	28.71 \| good	0.267 \| good	3.839 \| good	0.178 \| good

Live air quality index in St Helens, Merseyside today

Major air pollutants in St Helens, Merseyside

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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St Helens, Merseyside air quality map: Track AQI near you

Air quality in nearby cities

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What is the current concentration of PM2.5 in St Helens, Merseyside?

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What is the current concentration of sulfur dioxide (SO2) in St Helens, Merseyside?

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What is the current concentration of nitrogen dioxide (NO2) in St Helens, Merseyside?

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 St Helens, Merseyside?

What is the current concentration of PM₁₀ in St Helens, Merseyside?

What is the current concentration of sulfur dioxide (SO₂) in St Helens, Merseyside?

What is the current concentration of ozone (O₃) in St Helens, Merseyside?

What is the current concentration of nitrogen dioxide (NO₂) in St Helens, Merseyside?