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The eastern and northern United States are suffering under a hazy, poisonous cloud of wildfire smoke, produced by out-of-control forest fires in Quebec and Nova Scotia. The most toxic soot and ash are sitting virtually on top of North America’s most densely populated corridor, clouding the air in New York City; Toronto; Ottawa; Philadelphia, Washington, D.C.; and Norfolk, Virginia.
Air pollution alerts are in effect across the United States and Canada, affecting roughly 150 million people.
This is Heatmap’s set of commonly asked questions about the crisis. We’ll keep it updated throughout the event.
Hundreds of wildfires have raged across northern Quebec for the past few weeks, driven by unusually warm and dry conditions.
Then on Monday, a low-pressure system surrounded by counterclockwise winds moved just off New England’s coast. Its strong, dry gusts fanned the flames in Canada, then pushed the resulting smoke and ash into the eastern United States.
Intense Canadian fires are unusual this early in the season, but the fires this year were fed by a warm spring and drought-like condition, Kent Moore, an atmospheric-physics professor at the University of Toronto, told me. Because the fires took hold before the vegetation could “green up” for the spring, the conflagrations grew more rapidly than they normally would, he said.
The dry conditions also helped the fires ignite the soil itself. “Because the soil was so dry — because of the dry winter and the dry spring — the fire got into the ground,” he said. “The vegetation below ground started to burn, and those are much harder to put out.”
This is likely one of America’s worst days for air pollution in several decades, in terms of the number of people affected and the severity of the exposure, Marshall Burke, an economist and sustainability professor at Stanford, told me.
“It’s pretty off the chart,” Burke said. Wildfire smoke is affecting New York City much more acutely — and much earlier in the year — than it has at any time since 2006, when contemporary air-pollution data began to be kept.
It is difficult to attribute a single unprecedented event to climate change, and the climatology of wildfires in eastern North America is particularly challenging. (Climate change has more clearly worsened wildfires out West.) “This is probably an unlucky year for Canada, as far as wildfires go,” Moore, the atmospheric physicist, said.
But wildfires will become more likely across Canada as the climate changes, he said. And while climate change should broadly increase rainfall across Canada, it will also increase the likelihood of heat waves and more extreme spring and summer temperatures, which can make wildfires more likely.
“Nova Scotia has always had wildfires. It’s just they’ve had more wildfires this year than they have on average for the whole year,” he said. “There’s always going to be wildfires, but there’s going to be more of them.” As Canadian cities sprawl into previously uninhabited woodland areas, he added, the human impacts of wildfires will increase — even if the number and intensity of wildfires does not.
First, consult the air quality index at AirNow.gov. The AQI is a unit-less index of air quality running from zero to 500; any reading above 100 would rank as unusually polluted in the United States. On Wednesday afternoon, some air sensors in New York and New Jersey indicated that the AQI exceeded 400.
If it’s higher than 100, then the most vulnerable groups of people — including children, the elderly, anyone with a cardiopulmonary condition, and pregnant women — should limit strenuous activity outdoors. If higher than 150, then people should generally try to limit their outdoor activity; at levels above 200, the air is considered unhealthy and everyone should try to go outside as little as possible.
If you think you might be especially vulnerable, err on the side of caution. Recently, a body of new and large-scale studies have shown that air pollution is generally worse for the body and brain than previously thought.
Then, if you’re in an area with hazardous air pollution, consider how to limit your exposure to the air as much as possible. Keep your doors and windows closed. An air filter outfitted with a HEPA filter can improve the air in a home or apartment. It should generally be closer to the most sensitive people.
“Any pregnant moms — if my wife or anyone I knew was pregnant right now — I would be texting them to stay inside and sit by an air filter,” Burke told me. Exposure to severe air pollution during pregnancy has been shown to increase the risk of preterm birth, and it can reduce a child’s lifelong earnings, cognitive performance, and other indicators, he said.
A KN95 or N95 mask — the type of high-filtration mask used to prevent COVID infection — can also significantly limit your exposure to soot and ash. If you are in a sensitive group or are worried about air pollution’s health effects, you could consider wearing a mask inside if you have no other way to filter the air.
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From Kansas to Brooklyn, the fire is turning battery skeptics into outright opponents.
The symbol of the American battery backlash can be found in the tiny town of Halstead, Kansas.
Angry residents protesting a large storage project proposed by Boston developer Concurrent LLC have begun brandishing flashy yard signs picturing the Moss Landing battery plant blaze, all while freaking out local officials with their intensity. The modern storage project bears little if any resemblance to the Moss Landing facility, which uses older technology,, but that hasn’t calmed down anxious locals or stopped news stations from replaying footage of the blaze in their coverage of the conflict.
The city of Halstead, under pressure from these locals, is now developing a battery storage zoning ordinance – and explicitly saying this will not mean a project “has been formally approved or can be built in the city.” The backlash is now so intense that Halstead’s mayor Dennis Travis has taken to fighting back against criticism on Facebook, writing in a series of posts about individuals in his community “trying to rule by MOB mentality, pushing out false information and intimidating” volunteers working for the city. “I’m exercising MY First Amendment Right and well, if you don’t like it you can kiss my grits,” he wrote. Other posts shared information on the financial benefits of building battery storage and facts to dispel worries about battery fires. “You might want to close your eyes and wish this technology away but that is not going to happen,” another post declared. “Isn’t it better to be able to regulate it in our community?”
What’s happening in Halstead is a sign of a slow-spreading public relations wildfire that’s nudging communities that were already skeptical of battery storage over the edge into outright opposition. We’re not seeing any evidence that communities are transforming from supportive to hostile – but we are seeing new areas that were predisposed to dislike battery storage grow more aggressive and aghast at the idea of new projects.
Heatmap Pro data actually tells the story quite neatly: Halstead is located in Harvey County, a high risk area for developers that already has a restrictive ordinance banning all large-scale solar and wind development. There’s nothing about battery storage on the books yet, but our own opinion poll modeling shows that individuals in this county are more likely to oppose battery storage than renewable energy.
We’re seeing this phenomenon play out elsewhere as well. Take Fannin County, Texas, where residents have begun brandishing the example of Moss Landing to rail against an Engie battery storage project, and our modeling similarly shows an intense hostility to battery projects. The same can be said about Brooklyn, New York, where anti-battery concerns are far higher in our polling forecasts – and opposition to battery storage on the ground is gaining steam.
And more on the week’s conflicts around renewable energy.
1. Carbon County, Wyoming – I have learned that the Bureau of Land Management is close to approving the environmental review for a transmission line that would connect to BluEarth Renewables’ Lucky Star wind project.
2. Nantucket County, Massachusetts – Anti-offshore wind advocates are pushing the Trump administration to rescind air permits issued to Avangrid for New England Wind 1 and 2, the same approval that was ripped away from Atlantic Shores offshore wind farm last Friday.
3. Campbell County, Virginia – The HEP Solar utility-scale project in rural Virginia is being accused of creating a damaging amount of runoff, turning a nearby lake into a “mud pit.” (To see the story making the rounds on anti-renewables social media, watch this TV news segment.)
4. Marrow County, Ohio – A solar farm in Ohio got approvals for once! Congratulations to ESA Solar on this rare 23-acre conquest.
5. Madison County, Indiana – The Indiana Supreme Court has rejected an effort by Invenergy to void a restrictive county ordinance.
6. Davidson County, North Carolina – A fraught conflict is playing out over a Cypress Creek Renewables solar project in the town of Denton, which passed a solar moratorium that contradicts approval for the project issued by county officials in 2022.
7. Knox County, Nebraska – A federal judge has dismissed key aspects of a legal challenge North Fork Wind, a subsidiary of National Grid Renewables, filed against the county for enacting a restrictive wind ordinance that hinders development of their project.
8. Livingston Parish, Louisiana – This parish is extending a moratorium on new solar farm approvals for at least another year, claiming such action is necessary to comply with a request from the state.
9. Jefferson County, Texas – The city council in the heavily industrial city of Port Arthur, Texas, has approved a lease for constructing wind turbines in a lake.
10. Linn County, Oregon – What is supposed to be this county’s first large-scale solar farm is starting to face pushback over impacts to a wetlands area.Today’s sit-down is with Nikhil Kumar, a program director at GridLab and an expert in battery storage safety and regulation. Kumar’s folks reached out to me after learning I was writing about Moss Landing and wanted to give his honest and open perspective on how the disaster is impacting the future of storage development in the U.S. Let’s dive in!
The following is an abridged and edited version of our conversation.
So okay – walk me through your perspective on what happened with Moss Landing.
When this incident occurred, I’d already been to Moss Landing plenty of times. It caught me by surprise in the sense that it had reoccurred – the site had issues in the past.
A bit of context about my background – I joined GridLab relatively recently, but before that I spent 20 years in this industry, often working on the integrity and quality assurance of energy assets, anything from a natural gas power plant to nuclear to battery to a solar plant. I’m very familiar with safety regulation and standards for the energy industry, writ large.
Help me understand how things have improved since Moss Landing. Why is this facility considered by some to be an exception to the rule?
It’s definitely an outlier. Batteries are very modular by nature, you don’t need a lot of overall facility to put battery storage on the ground. From a construction standpoint, a wind or solar farm or even a gas plant is more complex to put together. But battery storage, that simplicity is a good thing.
That’s not the case with Moss Landing. If you look at the overall design of these sites, having battery packs in a building with a big hall is rare.
Pretty much every battery that’s been installed in the last two or three years, industry has already known about this [risk]. When the first [battery] fire occurred, they basically containerized everything – you want to containerize everything so you don’t have these thermal runaway events, where the entire battery batch catches fire. If you look at the record, in the last two or three years, I do not believe a single such design was implemented by anybody. People have learned from that experience already.
Are we seeing industry have to reckon with this anyway? I can’t help but wonder if you’ve witnessed these community fears. It does seem like when a fire happens, it creates problems for developers in other parts of the country. Are developers reckoning with a conflation from this event itself?
I think so. Developers that we’ve talked to are very well aware of reputational risk. They do not want people to have general concern with this technology because, if you look at how much battery is waiting to be connected to the grid, that’s pretty much it. There’s 12 times more capacity of batteries waiting to be connected to the grid than gas. That’s 12X.
We should wait for the city and I would really expect [Vistra] to release the root cause investigation of this fire. Experts have raised a number of these potential root causes. But we don’t know – was it the fire suppression system that failed? Was it something with the batteries?
We don’t know. I would hope that the details come out in a transparent way, so industry can make those changes, in terms of designs.
Is there anything in terms of national regulation governing this sector’s performance standards and safety standards, and do you think something like that should exist?
It should exist and it is happening. The NFPA [National Fire Prevention Association] is putting stuff out there. There might be some leaders in the way California’s introduced some new regulation to make sure there’s better documentation, safety preparedness.
There should be better regulation. There should be better rules. I don’t think developers are even against that.
OK, so NFPA. But what about the Trump administration? Should they get involved here?
I don’t think so. The OSHA standards apply to people who work on site — the regulatory frameworks are already there. I don’t think they need some special safety standard that’s new that applies to all these sites. The ingredients are already there.
It’s like coal power plants. There’s regulation on greenhouse gas emissions, but not all aspects of coal plants. I’m not sure if the Trump administration needs to get involved.
It sounds like you're saying the existing regulations are suitable in your view and what’s needed is for states and industry to step up?
I would think so. Just to give you an example, from an interconnection standpoint, there’s IEEE standards. From the battery level, there are UL standards. From the battery management system that also manages a lot of the ins and outs of how the battery operates —- a lot of those already have standards. To get insurance on a large battery site, they have to meet a lot of these guidelines already — nobody would insure a site otherwise. There’s a lot of financial risk. You don’t want batteries exploding because you didn’t meet any of these hundreds of guidelines that already exist and in many cases standards that exist.
So, I don’t know if something at the federal level changes anything.
My last question is, if you were giving advice to a developer, what would you say to them about making communities best aware of these tech advancements?
Before that, I am really hoping Vistra and all the agencies involved [with Moss Landing] have a transparent and accountable process of revealing what actually happened at this site. I think that’s really important.