July 31, 2026

Agricultural Burn Notifications: What Air Quality Districts Actually Require

A fire agency burn permit isn't the only approval you need. Here's how the separate air quality district notification and daily burn authorization process actually works.

Most guidance on agricultural burning focuses on the permit: who issues it, what it costs, how long it's valid. That's necessary, but it's only half the system in many states. Once you have a permit in hand, a separate air quality agency often still has to tell you, day by day, whether you're actually allowed to light anything — and that decision can change overnight based on weather and regional air quality, independent of whatever your permit says. Our state-by-state burn permit guide covers the permit layer; this one covers the notification and daily-authorization layer that trips up a lot of otherwise-compliant operations.

Quick answer:

Agricultural burning in many states requires two separate approvals: a permit (often from a fire agency, air district, or conservation district) and a day-of notification or authorization from an air quality agency confirming today is actually a burn day.
That daily authorization isn't a formality — agencies like California's Air Resources Board and Washington's Department of Ecology issue permissive, marginal, or no-burn decisions for specific counties or zones based on forecasted air quality, and it can say no even when your permit is valid.
Exactly which materials need a permit, what information the air district wants, and how the day-of check works varies enormously by state and even by county — always confirm both layers rather than assuming one covers the other.

Two different agencies, two different questions

It helps to separate the questions being asked. A fire agency permit (state forestry department, county fire marshal, local fire department) is mostly asking: is it safe to have an open flame here today, given fuel, weather, and fire risk? An air quality district or agency is asking a different question entirely: will the smoke from this burn push air quality in this area past a healthy or legal limit?

Those two questions have different answers on different days, are evaluated by different offices, and in most states require separate paperwork. A valid fire permit does not automatically clear the air quality side, and vice versa. Washington's Department of Ecology, for example, issues five distinct types of agricultural burn permits — for field burning, pile burning, spot burning, baled residue, and Conservation Reserve Program land — depending on what and how much you're burning, and that's before the daily go/no-go decision even enters the picture. In California's San Joaquin Valley, the Valley Air District narrowed agricultural burn permits sharply as of January 1, 2025: only a specific list of materials — apple, pear, and quince prunings and orchard removals, rice straw and rice field levees, diseased material, ditchbank and canal vegetation, tumbleweeds, and a handful of other categories — can still be permitted for open burning at all, after a multi-year state-mandated phase-out eliminated most other agricultural open burning in the Valley.

The permit is step one — daily authorization is step two

Getting the permit is necessary but not sufficient. Most agencies that regulate agricultural burning for air quality also run a same-day or day-ahead authorization system, and you're expected to check it before every single burn, not just once when the permit was issued.

In the San Joaquin Valley, once a grower holds a valid agricultural burn permit, every burn still requires separate authorization through the District's automated Smoke Management System, available online or by phone — but only in a specific window, from 8:00 p.m. the evening before through 2:00 p.m. the day of the requested burn. Outside that window, the system won't take the request at all.

Statewide, the California Air Resources Board issues its own daily calls — Permissive, Marginal, or No Burn — for each air basin, based on forecasted air quality and meteorological conditions that affect how well smoke will disperse. Those decisions are updated by 3:00 p.m. each day for the following day. Burning is only allowed on Permissive Burn Days; a Marginal designation limits how much can be burned and where, and a No Burn day means exactly that, permit or no permit.

Washington runs a comparable system: if you hold an agricultural burn permit, you're required to check the daily burn decision before burning, since Ecology reviews current and forecasted air quality conditions and decides whether burning is allowed in each county and zone for that day. You can check by phone or sign up for email alerts covering your region. The upshot in every one of these systems is the same: your permit tells you burning is allowed in principle; the daily notification or authorization tells you whether today is one of the days it's actually allowed in practice.

What air districts typically want to know

The specifics vary by agency, but most agricultural burn permit applications and notifications ask for a similar core set of information: what crop or material you're burning, how many acres or tons, where the burn is located, and what method you're using (pile, field, spot, or flaming, for instance). Many agencies also expect you to show you've considered — or ruled out — alternatives to burning as part of the application.

Washington requires applicants to document Best Management Practices specific to the material being burned (bales, cereal grain, non-cereal grain, orchard crops, or piles, among others) as part of showing the burn is actually needed. Fees are modest but material-specific: a field or spot burn permit runs $37.50 for the first 10 acres plus $3.75 per additional acre, while pile burning is $80 for the first 80 tons plus $1 per additional ton. Notably, not everything needs a permit at all in Washington — fence rows, ditch banks, irrigation canals, annual orchard prunings, and windblown tumbleweeds are exempt — while post-harvest crop residue, orchard and vineyard tear-outs, cereal grain stubble, and flaming operations do require one.

In the San Joaquin Valley, some materials require more than paperwork — a District inspector may need to visit the site before a permit is issued at all, and burns involving diseased material specifically require the county agricultural commissioner to first determine that burning is the only viable disposal method.

Why this varies so much by state

There's no single federal agricultural burn notification standard, and that's by design. Under Title I of the Clean Air Act, EPA sets national ambient air quality standards for pollutants like particulate matter, but each state implements those standards through its own State Implementation Plan — which is where the specific mechanics of agricultural burning permits, notifications, and daily authorizations actually get defined. That's why California runs a statewide burn-day system layered under regional air districts, Washington splits authority between its Department of Ecology, local clean air agencies, and conservation districts depending on the county, and other states run their programs differently still. EPA's role is mostly to set the outer boundary — particularly in areas that already violate air quality standards, where restrictions tend to be tighter — and to support state and tribal programs, not to issue agricultural burn notifications itself. On tribal land in Idaho, Oregon, and Washington, EPA directly administers the open burning program in coordination with tribal governments, which is its own separate track from any state process.

The practical takeaway: check both your state's specific agricultural burning agency and, if one exists, your local air quality or conservation district — the correct office to contact often depends on which county you're in, not just which state.

Skipping the notification step carries its own risk

It's easy to assume that once a fire-safety permit is squared away, you're covered. In states that run a separate air quality notification or authorization system, that's not the case — burning agricultural material without the required air district authorization is its own violation, separate from any fire agency permit status, and can result in a citation even if your fire permit was perfectly valid. Our guide on what a burn permit doesn't cover walks through a similar dynamic for HOA rules and insurance — a permit from one authority doesn't clear you with every authority that has a say in whether you can burn.

Smoke complaints add another layer of exposure. Even a fully authorized burn can generate a nuisance complaint if smoke drifts toward homes, schools, or roads, which is part of why several agencies explicitly reserve the right to deny authorization near sensitive receptors regardless of what your permit allows. Our smoke management guide covers how wind and mixing height determine where smoke actually goes, which is worth checking well before you request authorization, not after smoke is already in the air.

Building the notification check into your burn plan

The most reliable way to avoid a mismatch between your permit and the day's actual authorization is to treat the notification check as a standing step in your process, not a one-time box you checked when the permit arrived. If you're documenting a formal burn plan, the day-of authorization call or online check belongs in it explicitly, right alongside your final fire weather check. These are genuinely separate steps: your air district's burn-day decision is about regional air quality dispersion, while a fire weather forecast is about wind, humidity, and fire behavior on your specific site — you need both to line up, not just one. Our guide to prescribed burning for farmers covers how this fits into the broader planning picture alongside timing, containment, and the soil-health tradeoffs of burning as an annual practice.

Frequently asked questions

Is an agricultural burn notification the same thing as a burn permit?

No. The permit typically establishes that you're allowed to burn a specific material, in a specific location, under specific conditions — it's usually valid for a season or a year. The notification or daily authorization is a separate, recurring check confirming that today's actual air quality and weather conditions allow burning under that permit. You generally need both, and the permit doesn't guarantee the daily authorization will be granted.

Do I have to check in before every single burn, or just once?

In the systems described here, it's before every burn, not once. California's Smoke Management System and Washington's daily burn decision are both checked on a per-burn-day basis, since conditions that justify a "yes" one day can justify a "no" the next. Treat it the same way you'd treat checking the weather — necessary every time, not a one-time formality.

What if my farm spans two counties or two air districts?

Contact both. Requirements, contacts, and daily authorization systems are frequently organized by county or by air district rather than by farm boundary, and Washington's own county-by-county contact list is a clear example of how granular this gets. If your fields fall under more than one authority, don't assume clearing one automatically clears the other — confirm with each office covering land you plan to burn.