I 
119TH CONGRESS 
1ST SESSION H. R. 6387 
To amend the Clean Air Act to require revisions to regulations governing 
the review and handling of air quality monitoring data influenced by 
exceptional events or actions to mitigate wildfire risk. 
IN THE HOUSE OF REPRESENTATIVES 
DECEMBER 3, 2025 
Mr. EVANS of Colorado introduced the following bill; which was referred to 
the Committee on Energy and Commerce 
A BILL 
To amend the Clean Air Act to require revisions to regula-
tions governing the review and handling of air quality 
monitoring data influenced by exceptional events or ac-
tions to mitigate wildfire risk. 
Be it enacted by the Senate and House of Representa-
tives of the United States of America in Congress assembled, 
SECTION 1. SHORT TITLE. 
This Act may be cited as the ‘‘Fire Improvement and 
Reforming Exceptional Events Act’’ or the ‘‘FIRE Act’’. 
VerDate Sep 11 2014 
20:26 Dec 05, 2025
Jkt 069200
PO 00000
Frm 00001
Fmt 6652
Sfmt 6201
E:\BILLS\H6387.IH
H6387
ssavage on LAPJG3WLY3PROD with BILLS
SEC. 2. AIR QUALITY MONITORING DATA INFLUENCED BY 
EXCEPTIONAL EVENTS OR ACTIONS TO MITI-
GATE WILDFIRE RISK. 
Section 319(b) of the Clean Air Act (42 U.S.C. 
7619(b)) is amended— 
(1) in the subsection heading, by inserting ‘‘OR 
ACTIONS
TO
MITIGATE
WILDFIRE
RISK’’ after 
‘‘EVENTS’’; 
(2) in paragraph (1)— 
(A) in the paragraph heading, by striking 
‘‘DEFINITION OF EXCEPTIONAL EVENT’’ and in-
serting ‘‘DEFINITIONS’’; 
(B) in subparagraph (A), by redesignating 
clauses (i) through (iv), as subclauses (I) 
through (IV), respectively; 
(C) by striking ‘‘(A)’’ and all that follows 
through ‘‘an event that—’’ and inserting the 
following: 
‘‘(A) EXCEPTIONAL EVENT.— 
‘‘(i) IN GENERAL.—The term ‘excep-
tional event’ means an event that—’’; 
(D) by amending subclause (III) of sub-
paragraph (A)(i), as redesignated, to read as 
follows: 
‘‘(III) is an event that is— 
‘‘(aa) a natural event; 
VerDate Sep 11 2014 
20:26 Dec 05, 2025
Jkt 069200
PO 00000
Frm 00002
Fmt 6652
Sfmt 6201
E:\BILLS\H6387.IH
H6387
ssavage on LAPJG3WLY3PROD with BILLS
‘‘(bb) caused by a human 
activity that is intended to mirror 
the occurrence or reoccurrence of 
a natural event; or 
‘‘(cc) caused by a human ac-
tivity that is unlikely to recur; 
and’’; 
(E) by striking subparagraph (B) and in-
serting the following: 
‘‘(ii) 
EXCLUSIONS.—In 
this 
sub-
section, the term ‘exceptional event’ does 
not include— 
‘‘(I) ordinarily occurring stagna-
tion of air masses; 
‘‘(II) meteorological inversions; 
or 
‘‘(III) air pollution relating to 
source noncompliance.’’; and 
(F) by adding at the end the following: 
‘‘(B) ACTION
TO
MITIGATE
WILDFIRE 
RISK.—The term ‘action to mitigate wildfire 
risk’ means a prescribed fire or similar meas-
ure, undertaken in accordance with State ap-
proved practices, to reduce the risk and severity 
of wildfires.’’; 
VerDate Sep 11 2014 
20:26 Dec 05, 2025
Jkt 069200
PO 00000
Frm 00003
Fmt 6652
Sfmt 6201
E:\BILLS\H6387.IH
H6387
ssavage on LAPJG3WLY3PROD with BILLS
(3) in paragraph (2)— 
(A) in subparagraph (A)— 
(i) by striking ‘‘March 1, 2006’’ and 
inserting ‘‘18 months after the date of en-
actment of the FIRE Act’’; 
(ii) by inserting ‘‘revisions to’’ before 
‘‘regulations’’; and 
(iii) by adding ‘‘or actions to mitigate 
wildfire risk’’ before the period at the end; 
(B) in subparagraph (B)— 
(i) by inserting ‘‘including proposed 
revisions to regulations,’’ after ‘‘subpara-
graph (A),’’; 
(ii) by inserting ‘‘or action to mitigate 
wildfire risk’’ after ‘‘an exceptional event’’; 
and 
(iii) by striking ‘‘paragraph (3)’’ and 
inserting ‘‘this section’’; and 
(C) by adding at the end the following: 
‘‘(C) REGIONAL
ANALYSIS.—When more 
than one State notifies the Administrator of its 
intent to submit a petition pursuant to this sec-
tion for an exceptional event or an action to 
mitigate wildfire risk for the same air quality 
event, or, if the Administrator determines such 
VerDate Sep 11 2014 
20:26 Dec 05, 2025
Jkt 069200
PO 00000
Frm 00004
Fmt 6652
Sfmt 6201
E:\BILLS\H6387.IH
H6387
ssavage on LAPJG3WLY3PROD with BILLS
a multistate air quality event has occurred, the 
Administrator shall conduct regional modeling 
and analysis sufficient to satisfy the demonstra-
tion required for an exceptional event or an ac-
tion to mitigate wildfire risk petition for such 
air quality event. 
‘‘(D) TRANSPARENCY.—Not later than 12 
months after the date of enactment of the 
FIRE Act, the Administrator shall establish, 
and thereafter update monthly, a public website 
describing the status of all petitions submitted 
pursuant to this section for exceptional events 
and actions to mitigate wildfire risk.’’; 
(4) in paragraph (3)(A)— 
(A) by redesignating clauses (ii) through 
(v) as clauses (iii) through (vi), respectively; 
and 
(B) by inserting after clause (i) the fol-
lowing: 
‘‘(ii) the principle that actions to miti-
gate wildfire risk can play an important 
role in reducing the magnitude and fre-
quency of wildfires;’’; 
(5) in paragraph (3)(B)— 
VerDate Sep 11 2014 
20:26 Dec 05, 2025
Jkt 069200
PO 00000
Frm 00005
Fmt 6652
Sfmt 6201
E:\BILLS\H6387.IH
H6387
ssavage on LAPJG3WLY3PROD with BILLS
(A) in clause (i), by inserting ‘‘or action to 
mitigate wildfire risk’’ before ‘‘must be’’; 
(B) by amending clause (ii) to read as fol-
lows: 
‘‘(ii) a clear causal relationship must 
exist, or be reasonably expected to exist, 
between the measured exceedances of a na-
tional ambient air quality standard and the 
exceptional event or action to mitigate 
wildfire risk to demonstrate that the excep-
tional event or action to mitigate wildfire 
risk caused a specific air pollution con-
centration at a particular air quality moni-
toring location;’’; and 
(C) by amending clause (iv) to read as fol-
lows: 
‘‘(iv) there are criteria and procedures 
for the Governor of a State to petition the 
Administrator to exclude air quality moni-
toring data that is directly due to excep-
tional events or actions to mitigate wildfire 
risk from use in determinations by the Ad-
ministrator with respect to— 
VerDate Sep 11 2014 
20:26 Dec 05, 2025
Jkt 069200
PO 00000
Frm 00006
Fmt 6652
Sfmt 6201
E:\BILLS\H6387.IH
H6387
ssavage on LAPJG3WLY3PROD with BILLS
‘‘(I) area or source exceedances 
or violations of the national ambient 
air quality standards; 
‘‘(II) the designation, redesigna-
tion, classification, or reclassification 
of an area; 
‘‘(III) the demonstration by a 
State of attainment of a national am-
bient air quality standard; 
‘‘(IV) attainment determinations; 
‘‘(V) attainment date extensions; 
‘‘(VI) finding a State implemen-
tation plan to be inadequate; or 
‘‘(VII) 
preconstruction 
dem-
onstrations under section 165(a)(3).’’; 
and 
(6) by striking paragraph (4). 
Æ 
VerDate Sep 11 2014 
20:26 Dec 05, 2025
Jkt 069200
PO 00000
Frm 00007
Fmt 6652
Sfmt 6301
E:\BILLS\H6387.IH
H6387
ssavage on LAPJG3WLY3PROD with BILLS