Toxic 100 Air Polluters Index (2024 Report, Based on 2022 Data)

Toxic 100 Air Rank	Corporation	Toxic score (pounds released x toxicity x population exposure)	Millions of pounds of toxic air releases	Millions of pounds of toxic incineration transfers	EJ: Poor Share	EJ: Minority Share	% of toxic score from a single facility
95	International Paper	207,704	31.50	<0.01	17%	41%	21%
45	Koch Industries	811,542	29.19	1.82	19%	56%	69%
17	Exxon Mobil	2,692,144	9.20	0.77	18%	68%	44%
85	Graphic Packaging	250,675	6.94		26%	48%	82%
12	Dow Inc.	4,714,688	5.94	13.28	17%	51%	37%
10	LyondellBasell Industries	5,019,237	5.68	3.23	17%	75%	93%
37	Marathon Petroleum	1,061,905	5.08	0.06	15%	50%	31%
11	BASF	4,990,192	4.90	4.56	15%	40%	48%
19	Eastman Chemical	2,407,690	4.74	0.42	18%	45%	71%
46	Phillips 66	803,565	4.68	0.08	15%	61%	33%
31	Westlake Chemical	1,351,589	3.66	2.12	16%	31%	34%
60	Valero Energy	526,447	3.61	0.11	18%	71%	33%
15	Freeport-McMoRan	2,873,997	3.55	<0.01	16%	65%	97%
40	Chevron	961,237	3.14	0.06	14%	64%	42%
73	Saudi Arabian Oil Company (Saudi Aramco)	359,146	2.86	2.45	17%	50%	41%
20	Shell PLC	2,353,779	2.64	0.01	16%	53%	30%
18	Berkshire Hathaway	2,664,227	2.11	0.39	14%	32%	26%
78	United States Steel	267,057	1.73	4.53	20%	52%	58%
29	NOV Inc.	1,482,627	1.72	<0.01	14%	60%	59%
41	PBF Energy	885,697	1.63	<0.01	13%	73%	81%
71	Formosa Plastics	396,900	1.61	16.84	22%	71%	68%
64	American Electric Power	466,961	1.33		14%	10%	63%
62	Goodyear Tire & Rubber	510,693	1.30	0.08	23%	80%	79%
92	Owens Corning	218,804	1.16	<0.01	15%	47%	27%
98	Honeywell International	200,642	1.12	0.04	26%	24%	76%
23	Ashland Global Holdings	1,838,184	0.98	0.04	20%	57%	73%
1	Standard Industries Inc.	19,819,724	0.96	1.38	17%	74%	99%
38	Occidental Petroleum	1,003,902	0.88	2.55	18%	72%	30%
14	Celanese	2,902,196	0.86	8.32	15%	66%	99%
75	Sasol	314,593	0.84	0.06	15%	25%	93%
54	Indorama Ventures	594,476	0.83	<0.01	14%	60%	73%
56	Cleveland-Cliffs	584,089	0.83	0.16	21%	43%	17%
16	PPG Industries	2,847,952	0.81	3.34	16%	38%	57%
3	Huntsman Corp.	17,664,686	0.78	6.70	11%	37%	90%
52	Solvay	657,468	0.74	1.82	15%	48%	46%
84	BP	252,781	0.72	0.01	18%	63%	83%
100	Alfa S.A.B.	187,853	0.72	0.01	18%	46%	98%
86	Saint-Gobain	241,687	0.71	0.03	12%	38%	51%
82	Targa Resources	255,117	0.70		20%	88%	98%
53	Nucor	610,547	0.63	<0.01	15%	38%	18%
74	International Flavors & Fragrances	357,349	0.61	2.07	18%	17%	99%
58	ATI Inc.	561,616	0.59	0.01	14%	15%	66%
83	Spirit AeroSystems	255,053	0.58		20%	47%	100%
50	Apollo Global Management	674,649	0.55	0.01	12%	25%	37%
51	Cenovus Energy	660,237	0.53	<0.01	21%	35%	92%
13	Albemarle	3,446,880	0.47	0.01	17%	72%	53%
68	Ingredion	439,888	0.47		15%	45%	47%
76	Hitachi	300,892	0.46	<0.01	11%	20%	78%
47	Linde	772,773	0.45	<0.01	15%	49%	63%
33	Carlyle Group	1,207,037	0.42	0.20	17%	80%	90%
89	Michelin	238,744	0.37		15%	38%	66%
26	Evonik Industries	1,681,226	0.32	0.55	18%	47%	61%
79	Westinghouse Air Brake Technologies (Wabtec)	263,590	0.32		19%	41%	95%
96	Olin Corp.	207,678	0.31	3.51	15%	67%	60%
21	Rio Tinto	2,208,082	0.30	<0.01	8%	33%	91%
4	Kaiser Aluminum	15,741,494	0.28		13%	16%	100%
5	Tesla Inc.	6,954,555	0.28	0.18	10%	42%	97%
69	Petroleos Mexicanos (Pemex)	438,869	0.28		19%	78%	100%
30	Air Products & Chemicals	1,357,769	0.27	<0.01	11%	38%	100%
48	Clayton Dubilier & Rice	764,712	0.25	<0.01	14%	38%	82%
36	General Electric	1,093,164	0.21	<0.01	13%	37%	39%
35	Ametek	1,143,673	0.20		11%	40%	58%
94	Huntington Ingalls Industries	212,848	0.19	0.08	19%	63%	83%
2	Greenbrier Companies	18,417,062	0.18	<0.01	11%	31%	100%
8	Becton Dickinson	5,490,687	0.11	0.01	10%	45%	41%
39	Mitsui	1,003,671	0.10	0.10	16%	70%	100%
91	Gerdau	232,925	0.10	<0.01	13%	48%	51%
49	Akzo Nobel	676,592	0.09	0.04	17%	66%	100%
55	Leggett & Platt	588,797	0.08	0.01	7%	39%	98%
97	A.O. Smith Corp.	204,545	0.07	0.01	12%	23%	66%
99	Commercial Metals Co.	199,400	0.07		22%	42%	68%
6	Garmin	6,947,660	0.06		12%	86%	100%
22	Terumo	2,190,748	0.06		9%	33%	100%
34	Howmet Aerospace	1,145,886	0.06	0.01	18%	53%	42%
42	Covestro	880,866	0.06	2.90	12%	24%	92%
61	KKR & Co.	521,241	0.06	0.01	14%	46%	42%
65	Lotte Chemical	465,115	0.05	<0.01	14%	25%	100%
90	RTX Corporation	237,092	0.05	0.04	12%	42%	52%
93	Henkel	215,352	0.05	0.34	20%	51%	79%
7	Carpenter Technology	5,587,044	0.04		20%	58%	93%
32	Griffon Corp.	1,211,789	0.04	0.03	16%	74%	100%
88	McWane	238,986	0.04	<0.01	24%	23%	95%
25	Pritzker Organization	1,728,903	0.03		28%	67%	79%
57	Kingspan plc	578,957	0.03	<0.01	10%	19%	100%
72	Johnson & Johnson	363,867	0.03	0.01	13%	48%	63%
28	O'Neal Industries	1,526,886	0.02		24%	59%	51%
63	O-I Glass	468,681	0.02		14%	42%	54%
70	Assa Abloy	432,533	0.02	<0.01	12%	45%	86%
80	Medtronic	261,998	0.02	0.06	15%	50%	88%
43	Snap-on	853,482	0.01		19%	17%	88%
59	Rolls-Royce	538,887	0.01		29%	65%	98%
66	Zimmer Biomet	453,787	0.01		14%	57%	91%
67	Ecolab	444,069	0.01	0.40	14%	81%	99%
77	Baker Hughes	294,903	0.01		13%	59%	68%
81	Emerson Electric	259,680	0.01		12%	45%	56%
87	Bio-Rad Laboratories	240,154	0.01	0.40	11%	64%	100%
9	Edwards Lifesciences	5,405,285	<0.01	0.01	45%	97%	100%
24	Ryerson Holding Corporation	1,749,530	<0.01		15%	69%	74%
27	STERIS	1,532,448	<0.01	<0.01	10%	62%	53%
44	Siemens Energy	851,495	<0.01		12%	47%	98%

Explanatory notes (For details, see the technical notes).

This edition of the Toxic 100 Air Polluters ranks companies by comparative chronic human health risk from air pollutants directly released or transferred to incinerators (and not destroyed) from large facilities in the US in 2022.

RSEI score: Estimated population chronic health human health risk from air releases and incineration transfers reported to the US Environmental Protection Agency's Toxics Release Inventory (TRI) for the 2022 Reporting Year, as computed by the US EPA's Risk-Screening Environmental Indicators (RSEI ver. 2.3.12) from quantity released, toxicity of chemicals, and population exposure. Data are adjusted by the Corporate Toxics Information Project (CTIP) for subsequent revisions to TRI data, including where available revisions to the share of hexavalent chromium in chromium releases.
Source: US EPA and Corporate Toxics Information Project (CTIP).

Quantity of toxic air releases and incineration transfers: Millions of pounds of toxic chemicals released to the air on-site or transferred offsite for incineration in the TRI 2022 Reporting Year, without adjustment for toxicity or population exposure.  
Source: US EPA.

Environmental Justice (EJ): Poor Share and Minority Share: Shares of the total population health risk borne by people living below the poverty line or by people in minority racial/ethnic groups. In the U.S. population, 10.5 percent lived below the poverty line in 2020 and 40 percent are members of minority racial/ethnic groups.  
Sources: US EPA, US Census, and CTIP.

Coverage: This table presents the RSEI companies that appear on the Forbes Global 2000 list, the Forbes America's Largest Private Companies list, the Fortune 500 list, the Fortune Global 500, the Russell 1000 list, or the S&P 500.  Individual facilities are assigned to corporate parents on the basis of the most current information on their ownership structure as of mid 2024.  
Source: CTIP.

The links from each parent name lead to an application that gives detailed facility and chemical information about the company. You can also search for companies not on the Toxic 100 Air Polluters. For more information on the data, see the technical notes.