SmogRank / History / February 18, 2024
Most polluted cities on February 18, 2024
2,016 cities ranked by their average PM2.5 over the day; the worst was Lahore, Pakistan, at 178.0 µg/m³. Each city's own local calendar day.
- Italy and Switzerland, February 202415 to 22 February 2024, 8 days25 cities97Vigevano
- Western Thailand, February 202413 to 20 February 2024, 8 days51 cities109Kanchanaburi
- Canary Islands, Spain, February 202418 to 19 February 2024, 2 days12 cities95Maspalomas
Bad-air episodes during February 18, 2024. All episodes.
← Lahore 178.0 µg/m³
150 µg/m³15 WHO 24-hour guideline
- 1Lahorelow-cost sensorsPunjab, Pakistan 25311.9×
- 2Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan 2159.3×
- 3MumbaiMaharashtra, India 1988.1×
- 4KolkataWest Bengal, India 1957.9×
- 5DelhiDelhi, India 1897.3×
- 6VigevanoLombardy, Italy 1806.4×
- 7MaspalomasCanary Islands, Spain 1786.3×
- 8N'DjamenaN’Djaména, Chad 1786.3×
- 9LampangLampang, Thailand 1776.1×
- 10Kathmandulow-cost sensorsBagmati Province, Nepal 1725.7×
- 11LodiLombardy, Italy 1725.7×
- 12PaviaLombardy, Italy 1695.4×
- 13BloemfonteinFree State, South Africa 1685.3×
- 14MilanLombardy, Italy 1675.2×
- 15Novi PazarCentral Serbia, Serbia 1675.2×
- 16PirotCentral Serbia, Serbia 1665.2×
- 17SalorTashkent Region, Uzbekistan 1665.1×
- 18LoeiLoei, Thailand 1665.1×
- 19BeijingBeijing, China 1644.9×
- 20NanNan, Thailand 1614.7×
- 21SukhothaiSukhothai, Thailand 1604.5×
- 22Banja LukaSrpska, Bosnia and Herzegovina 1594.5×
- 23VimercateLombardy, Italy 1584.3×
- 24PljevljaPljevlja, Montenegro 1584.3×
- 25Mae SotTak, Thailand 1574.3×
- 26MukdahanMukdahan, Thailand 1574.2×
- 27NišCentral Serbia, Serbia 1554.1×
- 28Islamabadlow-cost sensorsIslamabad, Pakistan 1554.1×
- 29TurinPiedmont, Italy 1544.0×
- 30YasothonYasothon, Thailand 1544.0×
- 31AgüimesCanary Islands, Spain 1544.0×
- 32MantuaLombardy, Italy 1543.9×
- 33UttaraditUttaradit, Thailand 1533.9×
- 33Nong Bua LamphuNong Bua Lamphu, Thailand 1533.9×
- 35PhayaoPhayao, Thailand 1533.9×
- 36NovaraPiedmont, Italy 1533.9×
- 37KalasinKalasin, Thailand 1523.8×
- 38AcerraCampania, Italy 1513.7×
- 39IngenioCanary Islands, Spain 1513.7×
- 40KavadarciKavadarci, North Macedonia 1503.7×
- 41PhraePhrae, Thailand 1493.7×
- 42CairoCairo, Egypt 1493.7×
- 43SurinSurin, Thailand 1463.6×
- 44CapannoriTuscany, Italy 1453.6×
- 45Roi EtRoi Et, Thailand 1443.5×
- 46ZemunCentral Serbia, Serbia 1393.4×
- 46ComoLombardy, Italy 1393.4×
- 48Botevgradlow-cost sensorsSofia, Bulgaria 1383.4×
- 48PhetchabunPhetchabun, Thailand 1383.4×
- 50SkopjeGrad Skopje, North Macedonia 1363.3×
- 51Ubon RatchathaniUbon Ratchathani, Thailand 1363.3×
- 52KraljevoCentral Serbia, Serbia 1343.3×
- 52Udon ThaniUdon Thani, Thailand 1343.3×
- 52BraPiedmont, Italy 1343.3×
- 55BitolaBitola, North Macedonia 1323.2×
- 56BakuBaki, Azerbaijan 1323.2×
- 57PančevoVojvodina, Serbia 1323.2×
- 58Buri RamBuriram, Thailand 1293.1×
- 59Khon KaenKhon Kaen, Thailand 1293.1×
- 59ChaiyaphumChaiyaphum, Thailand 1293.1×
- 61LamphunLamphun, Thailand 1293.1×
- 61Si Sa KetSi Sa Ket, Thailand 1293.1×
- 63Mae SaiChiang Rai, Thailand 1283.1×
- 64Amnat CharoenAmnat Charoen, Thailand 1273.1×
- 65DejCluj County, Romania 1263.1×
- 66SarajevoFederation of B&H, Bosnia and Herzegovina 1263.0×
- 67TetovoTetovo, North Macedonia 1253.0×
- 68Bishkeklow-cost sensorsBishkek, Kyrgyzstan 1253.0×
- 69KigaliKigali, Rwanda 1243.0×
- 70ObrenovacCentral Serbia, Serbia 1222.9×
- 70ErbaLombardy, Italy 1222.9×
- 72SremčicaCentral Serbia, Serbia 1212.9×
- 73YangonYangon, Myanmar 1202.9×
- 74ChennaiTamil Nadu, India 1192.8×
- 75BelgradeCentral Serbia, Serbia 1152.7×
- 76ĆuprijaCentral Serbia, Serbia 1142.7×
- 77Chai NatChai Nat, Thailand 1132.7×
- 78Sevlievolow-cost sensorsGabrovo, Bulgaria 1122.7×
- 79LazarevacCentral Serbia, Serbia 1112.6×
- 80TlaquepaqueJalisco, Mexico 1102.6×
- 81SmederevoCentral Serbia, Serbia 1102.6×
- 81ValjevoCentral Serbia, Serbia 1102.6×
- 83NaplesCampania, Italy 1092.6×
- 84PhichitPhichit, Thailand 1082.6×
- 85KragujevacCentral Serbia, Serbia 1082.6×
- 86Sakon NakhonSakon Nakhon, Thailand 1052.5×
- 87PátraWest Greece, Greece 1042.5×
- 87Si Maha PhotPrachin Buri, Thailand 1042.5×
- 87Granadilla de AbonaCanary Islands, Spain 1042.5×
- 90RoveretoTrentino-Alto Adige, Italy 1032.4×
- 91StrumicaStrumica, North Macedonia 1032.4×
- 91ColomboWestern Province, Sri Lanka 1032.4×
- 93Lop BuriLopburi, Thailand 1022.4×
- 94DziałdowoWarmia-Masuria, Poland 1022.4×
- 95VelesVeles, North Macedonia 1022.4×
- 95DushanbeDushanbe, Tajikistan 1022.4×
- 97HanoiHanoi, Vietnam 1012.4×
- 98UžiceCentral Serbia, Serbia 1002.4×
- 99PodgoricaPodgorica, Montenegro 982.3×
- 100GostivarGostivar, North Macedonia 972.3×
- 101Gabrovolow-cost sensorsGabrovo, Bulgaria 972.2×
- 102HyderabadTelangana, India 972.2×
- 102BeneventoCampania, Italy 972.2×
- 104ČačakCentral Serbia, Serbia 962.2×
- 105Chiang MaiChiang Mai, Thailand 962.2×
- 106KanchanaburiKanchanaburi, Thailand 952.2×
- 107LuganoTicino, Switzerland 942.2×
- 108KazincbarcikaBorsod-Abaúj-Zemplén, Hungary 942.2×
- 109CodleaBrașov County, Romania 932.1×
- 110BorgomaneroPiedmont, Italy 932.1×
- 111TrentoTrentino-Alto Adige, Italy 932.1×
- 112Prince GeorgeBritish Columbia, Canada 932.1×
- 113Sing BuriSing Buri, Thailand 922.1×
- 114Ban Samae DamBangkok, Thailand 922.1×
- 115IlindenIlinden, North Macedonia 922.1×
- 116Novi SadVojvodina, Serbia 912.0×
- 117RatchaburiRatchaburi, Thailand 902.0×
- 118KochaniKochani, North Macedonia 892.0×
- 119BorCentral Serbia, Serbia 892.0×
- 120Skarżysko-KamiennaŚwiętokrzyskie, Poland 881.9×
- 120PhuketPhuket, Thailand 881.9×
- 122Bang NaBangkok, Thailand 881.9×
- 123AranyaprathetSa Kaeo, Thailand 871.9×
- 124Ulan BatorUlaanbaatar, Mongolia 861.9×
- 125Ceglie MessapicaApulia, Italy 861.9×
- 126BadgerAlaska, United States 861.8×
- 127La OrotavaCanary Islands, Spain 851.8×
- 128OpoleOpole Voivodeship, Poland 851.8×
- 128QuinteroValparaiso, Chile 851.8×
- 130FutogVojvodina, Serbia 851.8×
- 131Chiang RaiChiang Rai, Thailand 841.8×
- 132CraiovaDolj, Romania 831.8×
- 133ShikokuchūōEhime, Japan 821.7×
- 134PristinaPristina, Kosovo 821.7×
- 134GreshamOregon, United States 821.7×
- 136Haskovolow-cost sensorsHaskovo, Bulgaria 821.7×
- 137SaraburiSaraburi, Thailand 821.7×
- 137Nakhon NayokNakhon Nayok, Thailand 821.7×
- 139ThessaloníkiCentral Macedonia, Greece 821.7×
- 140RuseRuse, Bulgaria 811.7×
- 140AronaCanary Islands, Spain 811.7×
- 142MiskolcBorsod-Abaúj-Zemplén, Hungary 811.7×
- 143Bielsko-BialaSilesia, Poland 811.7×
- 144RacibórzSilesia, Poland 811.7×
- 144LimaLima Province, Peru 811.7×
- 144Lat KrabangBangkok, Thailand 811.7×
- 147Kan’onjichōKagawa, Japan 811.7×
- 148Khlong LuangPathum Thani, Thailand 801.7×
- 149Suphan BuriSuphan Buri, Thailand 801.6×
- 149Las Palmas de Gran CanariaCanary Islands, Spain 801.6×
- 149CayenneGuyane, French Guiana 801.6×
- 152Viña del MarValparaiso, Chile 801.6×
- 153AthensAttica, Greece 791.6×
- 153NiskoSubcarpathia, Poland 791.6×
- 153Saphan SungBangkok, Thailand 791.6×
- 156PrzemyślSubcarpathia, Poland 791.6×
- 157QuillotaValparaiso, Chile 791.6×
- 158BresciaLombardy, Italy 791.6×
- 159Cluj-NapocaCluj County, Romania 781.6×
- 160SantiagoSantiago Metropolitan, Chile 781.6×
- 160YamanashiYamanashi, Japan 781.6×
- 162NacimientoBiobio, Chile 781.6×
- 162Sai MaiBangkok, Thailand 781.6×
- 164Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand 781.6×
- 164OurenseGalicia, Spain 781.6×
- 164NogalesSonora, Mexico 781.6×
- 167Puente AltoSantiago Metropolitan, Chile 781.6×
- 168SatunSatun, Thailand 771.5×
- 168TalaganteSantiago Metropolitan, Chile 771.5×
- 170HualquiBiobio, Chile 771.5×
- 171Wan ChaiWan Chai, Hong Kong 771.5×
- 171HualpénBiobio, Chile 771.5×
- 173LučenecBanská Bystrica Region, Slovakia 771.5×
- 173Bueng KumBangkok, Thailand 771.5×
- 175Bang KapiBangkok, Thailand 761.5×
- 176Khan Na YaoBangkok, Thailand 761.5×
- 177BangkokBangkok, Thailand 761.5×
- 178Nakhon Si ThammaratNakhon Si Thammarat, Thailand 761.5×
- 178Nong KhaemBangkok, Thailand 761.5×
- 178CandelariaCanary Islands, Spain 761.5×
- 181BucharestBucharest, Romania 751.5×
- 181ParedesPorto, Portugal 751.5×
- 181Santa Anita - Los FicusLima region, Peru 751.5×
- 184ChillánÑuble, Chile 751.5×
- 185Phra PradaengSamut Prakan, Thailand 751.5×
- 185FukuyamaHiroshima, Japan 751.5×
- 185LęborkPomerania, Poland 751.5×
- 188TolucaMéxico, Mexico 751.5×
- 188Puerto VarasLos Lagos Region, Chile 751.5×
- 190BellinzonaTicino, Switzerland 741.4×
- 190ConcónValparaiso, Chile 741.4×
- 190El PasoTexas, United States 741.4×
- 193AcharnésAttica, Greece 741.4×
- 193Mong KokYau Tsim Mong District, Hong Kong 741.4×
- 193Jastrzębie ZdrójSilesia, Poland 741.4×
- 193CuricóMaule Region, Chile 741.4×
- 197Ulu BedokSingapore 741.4×
- 198DębicaSubcarpathia, Poland 741.4×
- 198TratTrat, Thailand 741.4×
- 198NarathiwatNarathiwat, Thailand 741.4×
Top 200 of 2,016 shown.
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+
The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales
Not covered: the government monitoring networks of China and Turkey, which publish no terms that let us reuse their readings. Most cities there are missing from this board, not clean. Why.
Use this board
SmogRank, most polluted cities, PM2.5, February 18, 2024, smogrank.com/history/2024-02-18 (accessed 3 Oct 2026).
You're welcome to reuse a single chart, image or figure with this citation and a link. Terms.