Pollen Monitor
Daily pollen insights

Daily pollen overview

Houston pollen count

Latest detail and daily averages and peaks across all 391 captured day(s).

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Risk levels use category-specific National Allergy Bureau thresholds. Weed is labeled Ragweed because it is the sole weed species in the current multi-region dataset.

Latest daily detail

Tue, Oct 13, 2026. Daily averages and highest observed values.

America/Chicago

Total

71

Average

77

Peak

Tree

None

0

Average

0

Peak

Grass

None

0

Average

0

Peak

Ragweed

High

71

Average

77

Peak

Values are modeled grains/m³. Risk badges use the daily peak for each category.

Species breakdown

Daily average grains/m³ for each reported allergen.

Tree

Ash0
Elm0
Oak0
Pine0
Birch0
Maple0
Mulberry0
Poplar/Cottonwood0
Cypress/Juniper/Cedar0

Grass

Grass0

Ragweed

Ragweed71

Complete daily history

Average and peak modeled grains/m³ for all 391 captured days. Scroll sideways on smaller screens.

Complete daily pollen averages and peaks, newest first
DateTotalTreeGrassRagweed
AveragePeakAveragePeakAveragePeakAveragePeak
Tue, Oct 13, 2026Latest717700007177
Mon, Oct 12, 202667173000067173
Sun, Oct 11, 202697109000097109
Sat, Oct 10, 2026507200005072
Fri, Oct 9, 202666110000066110
Thu, Oct 8, 2026549100005491
Wed, Oct 7, 202672101000072101
Tue, Oct 6, 202697118000097118
Mon, Oct 5, 202687122000087122
Sun, Oct 4, 2026717800007178
Sat, Oct 3, 2026831376100077127
Fri, Oct 2, 2026661001015005685
Thu, Oct 1, 2026961342738006996
Wed, Sep 30, 2026961283749005979
Tue, Sep 29, 2026961344867004867
Mon, Sep 28, 2026831304165004165
Sun, Sep 27, 2026791184059004059
Sat, Sep 26, 2026761123856003856
Fri, Sep 25, 2026120266601330060133
Thu, Sep 24, 2026831184259004259
Wed, Sep 23, 2026911224561004561
Tue, Sep 22, 2026128382641910064191
Mon, Sep 21, 2026136280681400068140
Sun, Sep 20, 2026156298781490078149
Sat, Sep 19, 20261001845092005092
Fri, Sep 18, 2026146366731830073183
Thu, Sep 17, 2026181306911530091153
Wed, Sep 16, 2026941844792004792
Tue, Sep 15, 20261091845592005592
Mon, Sep 14, 20261031845292005292
Sun, Sep 13, 2026981824991004991
Sat, Sep 12, 2026991845092005092
Fri, Sep 11, 20261021845192005192
Thu, Sep 10, 2026125208621040062104
Wed, Sep 9, 2026991784989004989
Tue, Sep 8, 20261171825991005991
Mon, Sep 7, 20261021825191005191
Sun, Sep 6, 2026851224361004361
Sat, Sep 5, 20261121825691005691
Fri, Sep 4, 2026851824291004291
Thu, Sep 3, 2026701113351003860
Wed, Sep 2, 2026671023147003655
Tue, Sep 1, 202669893241003748
Mon, Aug 31, 2026751092942584059
Sun, Aug 30, 2026761092942584159
Sat, Aug 29, 2026711092742583859
Fri, Aug 28, 202655882134463048
Thu, Aug 27, 202654882134462948
Wed, Aug 26, 202659882334463248
Tue, Aug 25, 2026521172045492863
Mon, Aug 24, 202646561822342530
Sun, Aug 23, 202636621424242034
Sat, Aug 22, 2026341131344281961
Fri, Aug 21, 2026451141744382562
Thu, Aug 20, 202628321112221518
Wed, Aug 19, 202626291011221416
Tue, Aug 18, 202627441117231524
Mon, Aug 17, 202627461118231525
Sun, Aug 16, 202629441117231624
Sat, Aug 15, 202626461018231425
Fri, Aug 14, 202625291011121416
Thu, Aug 13, 20262429911121316
Wed, Aug 12, 202625461018131425
Tue, Aug 11, 202637571422342031
Mon, Aug 10, 202625741029251440
Sun, Aug 9, 202628741129251640
Sat, Aug 8, 202629741129251640
Fri, Aug 7, 202628741129251540
Thu, Aug 6, 202624331013121318
Wed, Aug 5, 202627441117231524
Tue, Aug 4, 202627801131261543
Mon, Aug 3, 202630569177131426
Sun, Aug 2, 202629787189241436
Sat, Aug 1, 202625373511161116
Fri, Jul 31, 20262457141331922
Thu, Jul 30, 20262661001739922
Wed, Jul 29, 20262334001522812
Tue, Jul 28, 20262661001739922
Mon, Jul 27, 20262661001739922
Sun, Jul 26, 202628870018561031
Sat, Jul 25, 20262639001725914
Fri, Jul 24, 20262146001430716
Thu, Jul 23, 202632620020401122
Wed, Jul 22, 202628420018271015
Tue, Jul 21, 20262550001632918
Mon, Jul 20, 20262231001520811
Sun, Jul 19, 20262661001739922
Sat, Jul 18, 202628510018331018
Fri, Jul 17, 202628480018311017
Thu, Jul 16, 20262562001640922
Wed, Jul 15, 20262036001323713
Tue, Jul 14, 202614170091156
Mon, Jul 13, 20262665001742923
Sun, Jul 12, 202636510023331318
Sat, Jul 11, 202631610020391122
Fri, Jul 10, 202628600018391021
Thu, Jul 9, 202628480018311017
Wed, Jul 8, 20262481001652829
Tue, Jul 7, 2026351220311412378
Mon, Jul 6, 2026321091511392067
Sun, Jul 5, 202624832910341240
Sat, Jul 4, 20262910241812421342
Fri, Jul 3, 20262053411923719
Thu, Jul 2, 202623675151131721
Wed, Jul 1, 2026173651181748
Tue, Jun 30, 2026261047321248624
Mon, Jun 29, 202621746211038515
Sun, Jun 28, 202624447131222511
Sat, Jun 27, 202621666191034513
Fri, Jun 26, 202621746231034517
Thu, Jun 25, 20261843513920410
Wed, Jun 24, 202628778201337620
Tue, Jun 23, 202622896271141521
Mon, Jun 22, 202626737191335619
Sun, Jun 21, 202627838261340619
Sat, Jun 20, 202623827251138519
Fri, Jun 19, 202623827251138519
Thu, Jun 18, 202672187215535941748
Wed, Jun 17, 202678186225038901848
Tue, Jun 16, 20261742185067841074055
Mon, Jun 15, 202624427131119510
Sun, Jun 14, 2026203359101748
Sat, Jun 13, 20263910811281952928
Fri, Jun 12, 2026311089331550725
Thu, Jun 11, 2026358110211739821
Wed, Jun 10, 202632869221642722
Tue, Jun 9, 2026356710211731815
Mon, Jun 8, 2026572531665271231365
Sun, Jun 7, 202647117163621541027
Sat, Jun 6, 2026448819361736816
Fri, Jun 5, 20266014130702147924
Thu, Jun 4, 2026449526521329614
Wed, Jun 3, 20264812831851232513
Tue, Jun 2, 202668147501091325513
Mon, Jun 1, 202689251712091436514
Sun, May 31, 20261353691073071942822
Sat, May 30, 2026118540954621651727
Fri, May 29, 202694282742131545524
Thu, May 28, 202680154631241324412
Wed, May 27, 202684283662141345524
Tue, May 26, 202689231701821442513
Mon, May 25, 2026117277932321839718
Sun, May 24, 2026105325842801646624
Sat, May 23, 202673154571231227410
Fri, May 22, 202622797318986528791042
Thu, May 21, 202688172691361431512
Wed, May 20, 20262262,7461962,58524137624
Tue, May 19, 2026102383803011670629
Mon, May 18, 20264514,2234094,020301731279
Sun, May 17, 20266774,1286193,928431701678
Sat, May 16, 202615393712070924149979
Fri, May 15, 20261932,0591631,92122150880
Thu, May 14, 2026114373902931868617
Wed, May 13, 20261519751238822179715
Tue, May 12, 20261473731172932268816
Mon, May 11, 20261626651315972254927
Sun, May 10, 2026248660201586341011354
Sat, May 9, 202697169761301526513
Fri, May 8, 20261599431318602159727
Thu, May 7, 20262311,3511981,23323771041
Wed, May 6, 20262105241884961845418
Tue, May 5, 20264915,5204645,4292081653
Mon, May 4, 202620382119580372326
Sun, May 3, 202616945516444241417
Sat, May 2, 20262672,0692662,0690303
Fri, May 1, 20263731,8363731,8360000
Thu, Apr 30, 20263642,3773642,3770000
Wed, Apr 29, 20262431,2682431,2680000
Tue, Apr 28, 20262811,4792811,4790000
Mon, Apr 27, 20261122311122310000
Sun, Apr 26, 202689372893720000
Sat, Apr 25, 20261122201122200000
Fri, Apr 24, 20261453961453960000
Thu, Apr 23, 20261925681925680000
Wed, Apr 22, 20263971,1193971,1190000
Tue, Apr 21, 20269022,5099022,5090000
Mon, Apr 20, 20265311,3035311,3030000
Sun, Apr 19, 20264621,7364621,7360000
Sat, Apr 18, 20262086442086440000
Fri, Apr 17, 20261847051847050000
Thu, Apr 16, 20262731,0722731,0720000
Wed, Apr 15, 20266432,0216432,0210000
Tue, Apr 14, 20266472,2596472,2590000
Mon, Apr 13, 20265745,0065745,0060000
Sun, Apr 12, 20264761,4934761,4930000
Sat, Apr 11, 20263931,3363931,3360000
Fri, Apr 10, 20264411,1754411,1750000
Thu, Apr 9, 20269673,6279673,6270000
Wed, Apr 8, 20261,0823,3641,0823,3640000
Tue, Apr 7, 20261,0433,9951,0433,9950000
Mon, Apr 6, 20269063,0419063,0410000
Sun, Apr 5, 20261,0963,5981,0963,5980000
Sat, Apr 4, 20265011,3935011,3930000
Fri, Apr 3, 20263557113557110000
Thu, Apr 2, 20263167003167000000
Wed, Apr 1, 20263181,0403181,0400000
Tue, Mar 31, 20266802,7356802,7350000
Mon, Mar 30, 20269813,6769813,6760000
Sun, Mar 29, 20268102,2578102,2570000
Sat, Mar 28, 20261,1503,7451,1503,7450000
Fri, Mar 27, 20266751,9356751,9350000
Thu, Mar 26, 20268763,5288763,5280000
Wed, Mar 25, 20261,1824,7301,1824,7300000
Tue, Mar 24, 20267463,8517463,8510000
Mon, Mar 23, 20261,2355,4351,2355,4350000
Sun, Mar 22, 20261,1395,7411,1395,7410000
Sat, Mar 21, 20261,2164,3341,2164,3340000
Fri, Mar 20, 20267642,4437642,4430000
Thu, Mar 19, 20266171,9186171,9180000
Wed, Mar 18, 20262983,1442983,1440000
Tue, Mar 17, 20268324,4608324,4600000
Mon, Mar 16, 20267423,7367423,7360000
Sun, Mar 15, 20263001,1683001,1680000
Sat, Mar 14, 20265321,3775321,3770000
Fri, Mar 13, 20263379023379020000
Thu, Mar 12, 20263738473738470000
Wed, Mar 11, 20262801,2772801,2770000
Tue, Mar 10, 20266492,5716492,5710000
Mon, Mar 9, 20262307952307950000
Sun, Mar 8, 20262871,0272871,0270000
Sat, Mar 7, 20264441,3274441,3270000
Fri, Mar 6, 20265262,1325262,1320000
Thu, Mar 5, 20265252,2925252,2920000
Wed, Mar 4, 20262479322479320000
Tue, Mar 3, 20262054992054990000
Mon, Mar 2, 20263501,3913501,3910000
Sun, Mar 1, 20264229004229000000
Sat, Feb 28, 20262471,1222471,1220000
Fri, Feb 27, 20262347702347700000
Thu, Feb 26, 20267602,1237602,1230000
Wed, Feb 25, 20264731,4144731,4140000
Tue, Feb 24, 20262639542639540000
Mon, Feb 23, 20261455461455460000
Sun, Feb 22, 20262657442657440000
Sat, Feb 21, 20264541,7704541,7700000
Fri, Feb 20, 20262456732456730000
Thu, Feb 19, 20263178593178590000
Wed, Feb 18, 20262788062788060000
Tue, Feb 17, 20262485232485230000
Mon, Feb 16, 20262539792539790000
Sun, Feb 15, 20261843091843090000
Sat, Feb 14, 20262184052184050000
Fri, Feb 13, 20263048443048440000
Thu, Feb 12, 20261452811452810000
Wed, Feb 11, 20261531991531990000
Tue, Feb 10, 20261583601583600000
Mon, Feb 9, 20261442621442620000
Sun, Feb 8, 20261341971341970000
Sat, Feb 7, 20261102391102390000
Fri, Feb 6, 20261424151424150000
Thu, Feb 5, 20261645051645050000
Wed, Feb 4, 20261865061865060000
Tue, Feb 3, 20261533501533500000
Mon, Feb 2, 20261504881504880000
Sun, Feb 1, 202667282672820000
Sat, Jan 31, 202696879968790000
Fri, Jan 30, 20261485351485350000
Thu, Jan 29, 202669276692760000
Wed, Jan 28, 202645105451050000
Tue, Jan 27, 202641292412920000
Mon, Jan 26, 20269519510000
Sun, Jan 25, 202631237312370000
Sat, Jan 24, 20261034771034770000
Fri, Jan 23, 202698334983340000
Thu, Jan 22, 202672123721230000
Wed, Jan 21, 20262261,3102261,3100000
Tue, Jan 20, 20262125042125040000
Mon, Jan 19, 202672380723800000
Sun, Jan 18, 20261023211023210000
Sat, Jan 17, 20263411,9843411,9840000
Fri, Jan 16, 20262098912098910000
Thu, Jan 15, 20262721,4892721,4890000
Wed, Jan 14, 20262321,2462321,2460000
Tue, Jan 13, 202664197641970000
Mon, Jan 12, 20261406681406680000
Sun, Jan 11, 20261514641514640000
Sat, Jan 10, 202669146691460000
Fri, Jan 9, 2026539953990000
Thu, Jan 8, 202687253872530000
Wed, Jan 7, 202673266732660000
Tue, Jan 6, 202649101491010000
Mon, Jan 5, 202687235872350000
Sun, Jan 4, 2026478747870000
Sat, Jan 3, 20261153761153760000
Fri, Jan 2, 202675150751500000
Thu, Jan 1, 202693207932070000
Wed, Dec 31, 202557178571780000
Tue, Dec 30, 202586642866420000
Mon, Dec 29, 20254791,9934791,9930000
Sun, Dec 28, 20251711,2181711,2180000
Sat, Dec 27, 20251185971185970000
Fri, Dec 26, 20251083021083020000
Thu, Dec 25, 202547132471320000
Wed, Dec 24, 2025315831580000
Tue, Dec 23, 202566220662200000
Mon, Dec 22, 202552288522880000
Sun, Dec 21, 202553361533610000
Sat, Dec 20, 202546277462770000
Fri, Dec 19, 202536115361150000
Thu, Dec 18, 20251592,7981592,7980000
Wed, Dec 17, 2025157215720000
Tue, Dec 16, 202524134241340000
Mon, Dec 15, 20258318310000
Sun, Dec 14, 20253734,0443734,0440000
Sat, Dec 13, 2025153715370000
Fri, Dec 12, 2025123312330000
Thu, Dec 11, 2025163316330000
Wed, Dec 10, 2025163416340000
Tue, Dec 9, 2025102610260000
Mon, Dec 8, 2025115211520000
Sun, Dec 7, 2025122711240013
Sat, Dec 6, 20258266190027
Fri, Dec 5, 2025616390027
Thu, Dec 4, 2025512250037
Wed, Dec 3, 2025612130059
Tue, Dec 2, 20256150100614
Mon, Dec 1, 20257160000716
Sun, Nov 30, 20259220000922
Sat, Nov 29, 2025152400001524
Fri, Nov 28, 2025132900001329
Thu, Nov 27, 2025316200003162
Wed, Nov 26, 2025265400002654
Tue, Nov 25, 2025153100001531
Mon, Nov 24, 2025183300001833
Sun, Nov 23, 2025132300001323
Sat, Nov 22, 2025193800001938
Fri, Nov 21, 2025172700001727
Thu, Nov 20, 2025172800001728
Wed, Nov 19, 2025173400001734
Tue, Nov 18, 2025163200001632
Mon, Nov 17, 2025173200001732
Sun, Nov 16, 2025184100001841
Sat, Nov 15, 2025195200001952
Fri, Nov 14, 2025205300002053
Thu, Nov 13, 202536108000036108
Wed, Nov 12, 2025267600002676
Tue, Nov 11, 2025174500001745
Mon, Nov 10, 202528115000028115
Sun, Nov 9, 2025188800001888
Sat, Nov 8, 2025122300001223
Fri, Nov 7, 2025192800001928
Thu, Nov 6, 2025152800001528
Wed, Nov 5, 2025123000001230
Tue, Nov 4, 2025153500001535
Mon, Nov 3, 2025205800002058
Sun, Nov 2, 2025185300001853
Sat, Nov 1, 2025268200002682
Fri, Oct 31, 202561251000061251
Thu, Oct 30, 2025367700003677
Wed, Oct 29, 202563234000063234
Tue, Oct 28, 2025153600001536
Mon, Oct 27, 2025183300001833
Sun, Oct 26, 2025174000001740
Sat, Oct 25, 2025163100001631
Fri, Oct 24, 202553119000053119
Thu, Oct 23, 2025295200002952
Wed, Oct 22, 2025429900004299
Tue, Oct 21, 202546127000046127
Mon, Oct 20, 202556123000056123
Sun, Oct 19, 2025356800003568
Sat, Oct 18, 2025338400003384
Fri, Oct 17, 202536119000036119
Thu, Oct 16, 202535124000035124
Wed, Oct 15, 202545107000045107
Tue, Oct 14, 202550169000050169
Mon, Oct 13, 202557166000057166
Sun, Oct 12, 202586211000086211
Sat, Oct 11, 20251002070000100207
Fri, Oct 10, 202559284000059284
Thu, Oct 9, 202584199000084199
Wed, Oct 8, 202582187000082187
Tue, Oct 7, 202575181000075181
Mon, Oct 6, 202578165000078165
Sun, Oct 5, 202578220000078220
Sat, Oct 4, 202574203000074203
Fri, Oct 3, 20251123040000112304
Thu, Oct 2, 202581168000081168
Wed, Oct 1, 202583163000083163
Tue, Sep 30, 20251032060000103206
Mon, Sep 29, 202587168000087168
Sun, Sep 28, 20251012270000101227
Sat, Sep 27, 202587202000087202
Fri, Sep 26, 202587215000087215
Thu, Sep 25, 202594236000094236
Wed, Sep 24, 202569145000069145
Tue, Sep 23, 202580180000080180
Mon, Sep 22, 20251263330000126333
Sun, Sep 21, 20252053780000205378
Sat, Sep 20, 20251543430000154343
Fri, Sep 19, 20251102050000110205
Thu, Sep 18, 20252535200000253520