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Monthly averages representing trends in the mixed atmosphere
| Common Name | Formula | By Station | Hemispheric Average |
|---|---|---|---|
|
Carbon Monoxide
|
CO |
 |
 |
|
Carbon Tetrachloride
|
CCl4 |
 |
 |
|
CFC-113
|
CCl2FCClF2 |
 |
 |
|
CFC-114
|
CClF2CClF2 |
 |
 |
|
CFC-115
|
CClF2CF3 |
 |
 |
|
CFC-11
|
CCl3F |
 |
 |
|
CFC-12
|
CCl2F2 |
 |
 |
|
CFC-13
|
CClF3 |
 |
 |
|
Chloroform
|
CHCl3 |
 |
 |
|
Dichloromethane
|
CH2Cl2 |
 |
 |
|
Halon-1211
|
CBrClF2 |
 |
 |
|
Halon-1301
|
CBrF3 |
 |
 |
|
Halon-2402
|
C2Br2F4 |
 |
 |
|
HCFC-124
|
CHClFCF3 |
 |
 |
|
HCFC-132b
|
C2H2Cl2F2 |
 |
 |
|
HCFC-133a
|
CF3CH2Cl |
 |
 |
|
HCFC-141b
|
CH3CCl2F |
 |
 |
|
HCFC-142b
|
CH3CClF2 |
 |
 |
|
HCFC-22
|
CHClF2 |
 |
 |
|
HFC-125
|
CHF2CF3 |
 |
 |
|
HFC-134a
|
CH2FCF3 |
 |
 |
|
HFC-143a
|
C2H3F3 |
 |
 |
|
HFC-152a
|
CH3CHF2 |
 |
 |
|
HFC-227ea
|
CF3CHFCF3 |
 |
 |
|
HFC-236fa
|
CF3CH2CF3 |
 |
 |
|
HFC-23
|
CHF3 |
 |
 |
|
HFC-245fa
|
CHF2CH2CF3 |
 |
 |
|
HFC-32
|
CH2F2 |
 |
 |
|
HFC-365mfc
|
CF3CH2CF2CH3 |
 |
 |
|
HFC-43-10mee
|
C5H2F10 |
 |
 |
|
Hydrogen
|
H2 |
 |
 |
|
Methane
|
CH4 |
 |
 |
|
Methyl Bromide
|
CH3Br |
 |
 |
|
Methyl Chloride
|
CH3Cl |
 |
 |
|
Methyl Chloroform
|
CH3CCl3 |
 |
 |
|
Nitrogen Trifluoride
|
NF3 |
 |
 |
|
Nitrous Oxide
|
N2O |
 |
 |
|
Perchloroethylene
|
CCl2CCl2 |
 |
 |
|
PFC-116
|
C2F6 |
 |
 |
|
PFC-14
|
CF4 |
 |
 |
|
PFC-218
|
C3F8 |
 |
 |
|
PFC-318
|
c-C4F8 |
 |
 |
|
Sulfur Hexafluoride
|
SF6 |
 |
 |
|
Sulfuryl Fluoride
|
SO2F2 |
 |
 |
