清洁空气基金：2026年全球空气质量资助状况报告（摘要版）

CLEAN

AIR

THESTATEFUND

0FGLOBALAIRQUALITY

FUNDING

2026

Airqualityiscriticalforhealth,economiesandclimate

5%

ofglobalGDPislosttoairpollutionthrough

healthimpacts,lost

productivity,and

reducedlifeexpectancy.

(WBG)

7.9million

prematuredeathsarecausedbyairpollutioneveryyear.

9outof10

deathsattributedto

outdoorairpollutionareinlow-andmiddle-

incomecountries.

(WHO)

3

TheStateofGlobalAirQualityFunding2026:PublishedbytheCleanAirFundwithdataand

analysisfromClimatePolicyInitiative(CPI),theonlyglobalanalysisofinternationaldevelopmentfundingfortacklingairpollution.

Key

Definitions

CLEAN

AIR

FUND

■OutdoorAirQualityFunding:Fundingcommittedtoprojectswhere

benefit.

improvementstooutdoorairqualityareanexplicitobjectiveand

■FundingwithAirQualityCo-Benefits:Fundingcommittedto

projectswhereimprovementstooutdoorairqualityareaco-benefit

oftheinvestment.Thisalsoincludesindoorairqualityprojects,

whichindirectlyimproveoutdoorairquality.

involvingtheconstructionofassetsandinfrastructurethat:

FossilFuel-ProlongingFunding:Financecommittedtoprojects

(a)directlycauseairpollutionor(b)leadtothecreationorpromotionofairpollutingactivities.

CLEAN

AIR

FUND

Outdoorairquality

fundingreboundedin2024,butstill

receivedlessthan1%ofdevelopment

funding

Outdoorairqualityfundingincreasedby$1.7billionbetween2023and

2024,almostreturningtoits2022peak.

Totalairqualityfunding

$124bn

qualityfunding

■Outdoorair

$15.9bn

■Fundingwithair

qualityco-benefits

$108.7bn

$25bn

Fossilfuel

prolongingfunding

5

CLEAN

AIR

FUND

Non-climate-related

airqualityfundingrosebyaround80%in2024

Overallair

Climatefunding

quality

funding

Airqualityand

climatefunding

qualityfundingrosefrom$4.4billion

in2023to$7.9billionin2024.

In2024non-climate-relatedair

Thismaysignalthatsomefunders

arebeginningtoprioritiseairqualityasanissueinitsownright.

Bycontrast,totalclimate-relatedairqualityfundingfellfrom$26.0billionto$20.8billionoverthesameperiod.

CLEAN

AIR

FUND

Fossilfuel

prolonging

decreasedby48%in2024

Thisdecreasebroughtitlevelwithoutdoorairqualityfunding,althoughitistooearlytodeterminewhetherthisrepresentsalonger-term

structuralchange.

■Outdoorairqualityfunding

Fossilfuel-prolongingfundingUSDbillion

8

6

9

5.7

4.44.84.74.7

2

3

2.5

1.2

0

2020

2021

202220232024

7

CLEAN

AIR

FUND

decreased

Totalair

funding

quality

forthefirst

timeinfive

years.

·Totalairqualityfundingamountedto$28.7billionin2024,afallof6%

·$124.6bnwascommittedover2020-2024,9%morethanoverthepreviousfive-yearperiod.

·13%fallInfundingwithair-qualityco-benefitsin

2024,drivingtheoverallfall

Thedatadoesnotyetreflectthesharpcontractioninofficialdevelopmentassistance(ODA)

seenin2025.8

CLEAN

AIR

FUND

9

Airqualityfundingis

becomingmore

geographicallydiverse.

·SouthAsiareceivednearlyathirdoftotalairqualityfundingin2020-2024.

·Sub-SaharanAfricawastheonlyregiontoseeconsistentyearonyeargrowthacross2020-2024.

Caribbean,regionalfundersplayed

increasinglyprominentrolesin

financingprojectswithairquality

benefits.

·InLatinAmericaandthe

Totalairqualityfundingbyregion,2020-2024

USDbillion

035.3CentralAsia&

EasternEurope23.9

EastAsia&

Pacific11.5

MENA-16.6

Southeast

Asia17.2

South

SSA

Asia34.4

LAC-17.4

12.2

Other

Oceania

0.03

Airqualityfunding

remainsmisalignedwithpollutionexposure

In2024,fiveoftheworld'smost

pollutedcountriesreceivedlessthan

$2perpersonintotalairquality

funding.

AirpollutionFundingperperson

(2023,μg/m³PM2.5concentration)(2024,USD)

Bangladesh

60.8

3.7

India

1

3.8

Pakistan

39

0.03

Nepal

38.3

1.6

Qatar

0

Myanmar

33.4

0

Cameroon

32.5

0.7

Bolivia

32.2

3.3

DRC

1.4

32.1

Rwanda

30.3

11.9

10

CLEAN

FUND

AIR

SoutheastAsiahas

becomealeading

destinationforoutdoorairqualityfunding.

·SoutheastAsiareceivedmorethandoubletheamountofpercapitaoutdoorairqualityfundingthan

thenextlargestregion.

Morethanaquarterofalloutdoorairqualityfundingwenttothe

regionin2020-2024,equatingto$4.4bn.

·Itisthesecond-largestrecipientofcombinedADBandJICA

funding.

byregion

$percapita

6.7

3.2

2.8

2.8

LatinAmericaandCaribbean

0.7

0.6

0.6

SoutheastAsia

CentralAsiaandEasternEurope

SouthAsia

Outdoorairqualitypercapita

2020-2024

MiddleEastandNorthAfrica

EastAsiaandPacific

Sub-SaharanAfrica

OtherOceania

11

CLEAN

AIR

FUND

Yet,airquality

fundingremains

heavilyconcentrated

withinregions,with

loansthedominant

instrument.

Fivecountrieslead:

India,the

Philippines,

Egypt,Türkiye

andBangladesh

receivedaround

halfoftotalair

qualityfunding

across2020to

2024.

Domesticcapacity

matters:

Leading

destinationstendtohavestrongerdomestic

capacityand

marketmaturitytoabsorblarge-scale

investments.

Debt

dominates:

Loansaccounted

for89%oftotal

airquality

fundingoverthe

sameperiod,

potentially

limitingaccess

forcountries

withlimited

fiscalspace.

12

CLEAN

AIR

FUND

Airqualityfundingshouldtargetmajorsourcesof

pollution,notjustwhereimpactsarethegreatest.

InSoutheastAsia,flowsare

misalignedwithsourcesofpollution.Thailand'stransportsectormadeupalargeshareoftheirnational

greenhousegasemissions-the

largestshareintheregion-butlessthan1%oftransportinvestmentsinSoutheastAsiawenttoThailand.

Country

Totalair

qualityfunding

2020-2024

($million)

PM2.5rank

2023*

Transport

GHGshare

rank2024**

%oftransportsectorflowsinSoutheast

Asia

2020-2024

Philippines

11,607

7

3

81%

Indonesia

2,987

6

5

12%

VietNam

1,044

3

7

4%

Cambodia

590

5

4

2%

Thailand

361

4

1

<1%

LaoPDR

29

2

8

<1%

Myanmar

8

1

6

<1%

Timor-Leste

2

8

2

<1%

*1=mostpolluted

**1=transportsectorhasthehighestshareofnationalGHGemissions

Asairpollutioncancrossborders,fundingshouldtargetmajorsourcesofpollution,notjustwhereits

impactsarefeltmostacutely.

13

CLEAN

AIR

FUND

Super

Pollutants

remainlargelyoverlookedbyfunders.

Blackcarbonandtropospheric

ozonedamagehealthand

economiesandacceleratingglobalwarming.

·Blackcarbonfundingreached$7.5bnin2024.

·Onlyaminisculeshareexplicitlytargetedblack

carbonreduction:99.9%ofthisfundingtreatedblackcarbonasasecondarybenefit.

·In2024only0.4%oftotalairqualityfundingwenttotroposphericozoneabatement,allofitsecondary

funding.

14

CLEANAIR

FUND

Recommendations

toturnairqualityfinanceintogreaterimpact

16

Makeairqualityanexplicittargetofprojectdesign.

Embedairqualityobjectivesandimprovementmetricsintoprojectappraisal,monitoring,andevaluationto

strengthenaccountabilityandmeasureimpact.

17

Tailorfinancingtoovercomebarrierstoaccess.

Expandconcessionalfinance,technicalassistanceandblendedfinancetohelpcountrieswithlessdevelopedfinancialmarketsandlimitedborrowingcapacityaccessairqualityfunding.