Pollen Monitor
Daily pollen insights

Daily pollen overview

San Francisco 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/Los_Angeles

Total

42

Average

73

Peak

Tree

None

0

Average

0

Peak

Grass

None

0

Average

0

Peak

Ragweed

High

42

Average

73

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

Ragweed42

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, 2026Latest427300004273
Mon, Oct 12, 202646108000046108
Sun, Oct 11, 2026578800005788
Sat, Oct 10, 2026668800006688
Fri, Oct 9, 202658115000058115
Thu, Oct 8, 202656106000056106
Wed, Oct 7, 202664164000064164
Tue, Oct 6, 202661164000061164
Mon, Oct 5, 202688234000088234
Sun, Oct 4, 202684145000084145
Sat, Oct 3, 2026631374100059127
Fri, Oct 2, 20264786713004073
Thu, Oct 1, 2026461371339003398
Wed, Sep 30, 20267320028770045123
Tue, Sep 29, 202662226311130031113
Mon, Sep 28, 2026561002850002850
Sun, Sep 27, 202659983049003049
Sat, Sep 26, 2026581002950002950
Fri, Sep 25, 202661883044003044
Thu, Sep 24, 2026801684084004084
Wed, Sep 23, 2026671463373003373
Tue, Sep 22, 2026801184059004059
Mon, Sep 21, 202675923846003846
Sun, Sep 20, 2026821224161004161
Sat, Sep 19, 2026751283864003864
Fri, Sep 18, 2026711143657003657
Thu, Sep 17, 2026761243862003862
Wed, Sep 16, 202667863343003343
Tue, Sep 15, 2026651143257003257
Mon, Sep 14, 2026721303665003665
Sun, Sep 13, 20261011365168005168
Sat, Sep 12, 2026791243962003962
Fri, Sep 11, 2026781323966003966
Thu, Sep 10, 20261031965298005298
Wed, Sep 9, 2026921904695004695
Tue, Sep 8, 2026801564078004078
Mon, Sep 7, 2026791423971003971
Sun, Sep 6, 2026941384769004769
Sat, Sep 5, 2026801244062004062
Fri, Sep 4, 2026641183259003259
Thu, Sep 3, 2026681113251003760
Wed, Sep 2, 202647872240002647
Tue, Sep 1, 2026631042948003456
Mon, Aug 31, 202649561922342630
Sun, Aug 30, 202650861933362847
Sat, Aug 29, 202646811831362544
Fri, Aug 28, 2026661112643583660
Thu, Aug 27, 20266913027505103870
Wed, Aug 26, 2026721002839573954
Tue, Aug 25, 202655942136473051
Mon, Aug 24, 202651832032462845
Sun, Aug 23, 202640751529352241
Sat, Aug 22, 202646621824342534
Fri, Aug 21, 2026471081842382658
Thu, Aug 20, 202631441217231724
Wed, Aug 19, 202630461218231625
Tue, Aug 18, 202631461218231725
Mon, Aug 17, 202633461318231825
Sun, Aug 16, 202633461318231825
Sat, Aug 15, 202632421216231823
Fri, Aug 14, 202632411316231822
Thu, Aug 13, 202636741429252040
Wed, Aug 12, 20262339915131321
Tue, Aug 11, 20262132812121218
Mon, Aug 10, 20261934713121119
Sun, Aug 9, 20261733713121018
Sat, Aug 8, 20261831712121017
Fri, Aug 7, 20262040815131122
Thu, Aug 6, 20262232812121218
Wed, Aug 5, 2026182379111013
Tue, Aug 4, 2026162661012914
Mon, Aug 3, 202617275846813
Sun, Aug 2, 202617284659813
Sat, Aug 1, 2026193024813813
Fri, Jul 31, 20262241131222916
Thu, Jul 30, 20261928001218710
Wed, Jul 29, 20261929001219710
Tue, Jul 28, 20262028001318710
Mon, Jul 27, 20262231001420811
Sun, Jul 26, 20262229001419810
Sat, Jul 25, 20262429001519810
Fri, Jul 24, 202632440021281116
Thu, Jul 23, 20262128001418710
Wed, Jul 22, 20262232001521811
Tue, Jul 21, 20262131001420811
Mon, Jul 20, 2026172500111669
Sun, Jul 19, 20262079001351728
Sat, Jul 18, 2026192600121779
Fri, Jul 17, 20262131001320711
Thu, Jul 16, 20262435001623812
Wed, Jul 15, 202632450021291116
Tue, Jul 14, 20262029001319710
Mon, Jul 13, 20262634001722912
Sun, Jul 12, 202630440019281116
Sat, Jul 11, 20262237001424813
Fri, Jul 10, 20262339001525814
Thu, Jul 9, 20262465001642823
Wed, Jul 8, 20262442001527915
Tue, Jul 7, 202612240048816
Mon, Jul 6, 20261934127121221
Sun, Jul 5, 20262148258201123
Sat, Jul 4, 20262246379181021
Fri, Jul 3, 2026163336815612
Thu, Jul 2, 202617264681258
Wed, Jul 1, 202621646181033513
Tue, Jun 30, 202623476131123512
Mon, Jun 29, 20262134610111658
Sun, Jun 28, 20262920685814106642
Sat, Jun 27, 2026183551191648
Fri, Jun 26, 2026193261091547
Thu, Jun 25, 202621426111020511
Wed, Jun 24, 202625637181232615
Tue, Jun 23, 202620486151022411
Mon, Jun 22, 202620466141021511
Sun, Jun 21, 202625557171225613
Sat, Jun 20, 2026356910211732816
Fri, Jun 19, 202625477121223612
Thu, Jun 18, 202624517131225513
Wed, Jun 17, 202625757191237619
Tue, Jun 16, 202626648181333613
Mon, Jun 15, 202621696181033518
Sun, Jun 14, 2026261257321361632
Sat, Jun 13, 202662157184430811432
Fri, Jun 12, 202645113133521521026
Thu, Jun 11, 202649113143124551129
Wed, Jun 10, 2026407611231937919
Tue, Jun 9, 20264365121921341016
Mon, Jun 8, 202649132143424641134
Sun, Jun 7, 202674123254433541626
Sat, Jun 6, 20269031039135351111664
Fri, Jun 5, 202671109355325371120
Thu, Jun 4, 202665178381051950923
Wed, Jun 3, 2026549535591425511
Tue, Jun 2, 2026719652711420610
Mon, Jun 1, 2026102160801261629610
Sun, May 31, 20267912662991323410
Sat, May 30, 202610512583961722610
Fri, May 29, 2026111144871091724712
Thu, May 28, 20261292311011842035817
Wed, May 27, 2026118349932981844714
Tue, May 26, 20261292481021992032717
Mon, May 25, 2026104171821351731510
Sun, May 24, 20261411991111562232815
Sat, May 23, 20261473891173342247814
Fri, May 22, 2026110188861471728714
Thu, May 21, 2026116241901831838720
Wed, May 20, 2026110386873321746618
Tue, May 19, 2026120214941621934718
Mon, May 18, 20261685811365182446824
Sun, May 17, 202620246916340829531021
Sat, May 16, 202624647120039934581325
Fri, May 15, 20261645551334772256827
Thu, May 14, 202617036413531125451019
Wed, May 13, 202624152219445734561326
Tue, May 12, 202629984124576239711429
Mon, May 11, 202625165420558035631122
Sun, May 10, 202627168922060037611331
Sat, May 9, 20261432921132252245822
Fri, May 8, 20262821,3552341,25335721330
Thu, May 7, 202639697334087439651734
Wed, May 6, 20263698883348352849720
Tue, May 5, 20263031,3382811,2951639623
Mon, May 4, 20263989723859531023310
Sun, May 3, 2026334746324740720310
Sat, May 2, 20264341,5234321,5231414
Fri, May 1, 20263551,1193551,1190000
Thu, Apr 30, 20263388573388570000
Wed, Apr 29, 20264101,2214101,2210000
Tue, Apr 28, 20263509203509200000
Mon, Apr 27, 20262791,1122791,1120000
Sun, Apr 26, 20263198993198990000
Sat, Apr 25, 20263498123498120000
Fri, Apr 24, 20265732,3625732,3620000
Thu, Apr 23, 20265072,4505072,4500000
Wed, Apr 22, 20264379394379390000
Tue, Apr 21, 20263621,4733621,4730000
Mon, Apr 20, 20265653,0845653,0840000
Sun, Apr 19, 20265051,6185051,6180000
Sat, Apr 18, 20265434,0755434,0750000
Fri, Apr 17, 20265231,2485231,2480000
Thu, Apr 16, 20263621,2933621,2930000
Wed, Apr 15, 20264221,0944221,0940000
Tue, Apr 14, 20267923,1857923,1850000
Mon, Apr 13, 20266692,1446692,1440000
Sun, Apr 12, 20265131,2605131,2600000
Sat, Apr 11, 20263021,0663021,0660000
Fri, Apr 10, 20264742,6694742,6690000
Thu, Apr 9, 20266403,2676403,2670000
Wed, Apr 8, 20267903,9037903,9030000
Tue, Apr 7, 20265291,8875291,8870000
Mon, Apr 6, 20267793,5437793,5430000
Sun, Apr 5, 20268852,9678852,9670000
Sat, Apr 4, 20266171,9696171,9690000
Fri, Apr 3, 20266023,0286023,0280000
Thu, Apr 2, 20265642,0925642,0920000
Wed, Apr 1, 20264351,7924351,7920000
Tue, Mar 31, 20261,3614,1781,3614,1780000
Mon, Mar 30, 20269186,1729186,1720000
Sun, Mar 29, 20267614,9717614,9710000
Sat, Mar 28, 20268162,8018162,8010000
Fri, Mar 27, 20266791,9966791,9960000
Thu, Mar 26, 20265782,2785782,2780000
Wed, Mar 25, 20267512,2947512,2940000
Tue, Mar 24, 20264744,0204744,0200000
Mon, Mar 23, 20265272,8925272,8920000
Sun, Mar 22, 20268152,9978152,9970000
Sat, Mar 21, 20267165,3487165,3480000
Fri, Mar 20, 20266062,6796062,6790000
Thu, Mar 19, 20268594,1958594,1950000
Wed, Mar 18, 20269506,6429506,6420000
Tue, Mar 17, 20265443,3175443,3170000
Mon, Mar 16, 20264772,1604772,1600000
Sun, Mar 15, 20263441,1283441,1280000
Sat, Mar 14, 20263899153899150000
Fri, Mar 13, 20264611,4764611,4760000
Thu, Mar 12, 20263441,1393441,1390000
Wed, Mar 11, 20262268952268950000
Tue, Mar 10, 20262856152856150000
Mon, Mar 9, 20262931,0352931,0350000
Sun, Mar 8, 20263151,0513151,0510000
Sat, Mar 7, 20262751,0892751,0890000
Fri, Mar 6, 20263568963568960000
Thu, Mar 5, 20263076253076250000
Wed, Mar 4, 20262815892815890000
Tue, Mar 3, 20262479992479990000
Mon, Mar 2, 20263238423238420000
Sun, Mar 1, 20263281,1623281,1620000
Sat, Feb 28, 20263171,2363171,2360000
Fri, Feb 27, 20262299262299260000
Thu, Feb 26, 20264021,2894021,2890000
Wed, Feb 25, 20266201,8036201,8030000
Tue, Feb 24, 20262136872136870000
Mon, Feb 23, 20261562671562670000
Sun, Feb 22, 20262594442594440000
Sat, Feb 21, 20261855781855780000
Fri, Feb 20, 20262358252358250000
Thu, Feb 19, 20262216872216870000
Wed, Feb 18, 20261254611254610000
Tue, Feb 17, 20261262401262400000
Mon, Feb 16, 20261553031553030000
Sun, Feb 15, 20261772841772840000
Sat, Feb 14, 20261874081874080000
Fri, Feb 13, 20262244772244770000
Thu, Feb 12, 20261722541722540000
Wed, Feb 11, 20262233922233920000
Tue, Feb 10, 20261683141683140000
Mon, Feb 9, 20261444281444280000
Sun, Feb 8, 20261352991352990000
Sat, Feb 7, 202682116821160000
Fri, Feb 6, 20261403181403180000
Thu, Feb 5, 20261642961642960000
Wed, Feb 4, 20261463061463060000
Tue, Feb 3, 20261201731201730000
Mon, Feb 2, 20261413041413040000
Sun, Feb 1, 202697231972310000
Sat, Jan 31, 20261162371162370000
Fri, Jan 30, 20261314181314180000
Thu, Jan 29, 202684222842220000
Wed, Jan 28, 20261112991112990000
Tue, Jan 27, 20261204551204550000
Mon, Jan 26, 202694194941940000
Sun, Jan 25, 20262081,3102081,3100000
Sat, Jan 24, 202692196921960000
Fri, Jan 23, 2026488248820000
Thu, Jan 22, 202693410934100000
Wed, Jan 21, 20261082491082490000
Tue, Jan 20, 20263011,5923011,5920000
Mon, Jan 19, 20261144261144260000
Sun, Jan 18, 20261693161693160000
Sat, Jan 17, 20261705041705040000
Fri, Jan 16, 20261102251102250000
Thu, Jan 15, 20261032281032280000
Wed, Jan 14, 20261866831866830000
Tue, Jan 13, 20261012131012130000
Mon, Jan 12, 20261234811234810000
Sun, Jan 11, 20261063961063960000
Sat, Jan 10, 202648131481310000
Fri, Jan 9, 20261171,1281171,1280000
Thu, Jan 8, 202669252692520000
Wed, Jan 7, 202637132371320000
Tue, Jan 6, 202636106361060000
Mon, Jan 5, 202670559705590000
Sun, Jan 4, 202634447344470000
Sat, Jan 3, 202660231602310000
Fri, Jan 2, 202638163381630000
Thu, Jan 1, 202629121291210000
Wed, Dec 31, 202542117421170000
Tue, Dec 30, 2025297429740000
Mon, Dec 29, 20253362,1393362,1390000
Sun, Dec 28, 202530110301100000
Sat, Dec 27, 2025206620660000
Fri, Dec 26, 2025459845980000
Thu, Dec 25, 202526118261180000
Wed, Dec 24, 202553285532850000
Tue, Dec 23, 202529179291790000
Mon, Dec 22, 202518187181870000
Sun, Dec 21, 202530228302280000
Sat, Dec 20, 2025196119610000
Fri, Dec 19, 2025142414240000
Thu, Dec 18, 2025203720370000
Wed, Dec 17, 2025152815280000
Tue, Dec 16, 202530252302520000
Mon, Dec 15, 20257147140000
Sun, Dec 14, 2025153415340000
Sat, Dec 13, 20258188180000
Fri, Dec 12, 20257207200000
Thu, Dec 11, 20257187180000
Wed, Dec 10, 20257147140000
Tue, Dec 9, 20256136130000
Mon, Dec 8, 20259279270000
Sun, Dec 7, 20255145130001
Sat, Dec 6, 20256215150026
Fri, Dec 5, 20257174100037
Thu, Dec 4, 2025116452700637
Wed, Dec 3, 202594121100630
Tue, Dec 2, 20255120100511
Mon, Dec 1, 20257190000719
Sun, Nov 30, 20257160000716
Sat, Nov 29, 20255140000514
Fri, Nov 28, 20256150000615
Thu, Nov 27, 202518111000018111
Wed, Nov 26, 20259220000922
Tue, Nov 25, 2025135600001356
Mon, Nov 24, 20257170000717
Sun, Nov 23, 20255120000512
Sat, Nov 22, 20257210000721
Fri, Nov 21, 20258180000818
Thu, Nov 20, 20258200000820
Wed, Nov 19, 20257170000717
Tue, Nov 18, 20255180000518
Mon, Nov 17, 202511127000011127
Sun, Nov 16, 20258380000838
Sat, Nov 15, 2025102100001021
Fri, Nov 14, 2025103800001038
Thu, Nov 13, 2025174300001743
Wed, Nov 12, 2025163400001634
Tue, Nov 11, 2025133400001334
Mon, Nov 10, 2025153800001538
Sun, Nov 9, 2025176800001768
Sat, Nov 8, 2025123500001235
Fri, Nov 7, 2025133100001331
Thu, Nov 6, 2025133000001330
Wed, Nov 5, 2025217900002179
Tue, Nov 4, 2025132600001326
Mon, Nov 3, 2025113000001130
Sun, Nov 2, 2025122800001228
Sat, Nov 1, 202521152000021152
Fri, Oct 31, 2025186900001869
Thu, Oct 30, 2025215300002153
Wed, Oct 29, 202532251000032251
Tue, Oct 28, 2025183800001838
Mon, Oct 27, 2025204400002044
Sun, Oct 26, 2025174300001743
Sat, Oct 25, 2025132400001324
Fri, Oct 24, 2025194500001945
Thu, Oct 23, 2025215100002151
Wed, Oct 22, 2025215800002158
Tue, Oct 21, 2025296400002964
Mon, Oct 20, 2025237500002375
Sun, Oct 19, 2025298800002988
Sat, Oct 18, 2025406100004061
Fri, Oct 17, 2025247200002472
Thu, Oct 16, 2025223900002239
Wed, Oct 15, 2025436300004363
Tue, Oct 14, 2025142900001429
Mon, Oct 13, 2025253300002533
Sun, Oct 12, 2025398800003988
Sat, Oct 11, 202537134000037134
Fri, Oct 10, 202529157000029157
Thu, Oct 9, 2025233800002338
Wed, Oct 8, 2025267000002670
Tue, Oct 7, 202565237000065237
Mon, Oct 6, 2025316500003165
Sun, Oct 5, 202532157000032157
Sat, Oct 4, 2025347700003477
Fri, Oct 3, 2025165600001656
Thu, Oct 2, 2025246400002464
Wed, Oct 1, 2025197200001972
Tue, Sep 30, 2025309000003090
Mon, Sep 29, 2025277200002772
Sun, Sep 28, 2025203300002033
Sat, Sep 27, 2025307000003070
Fri, Sep 26, 2025328000003280
Thu, Sep 25, 2025408600004086
Wed, Sep 24, 202576187000076187
Tue, Sep 23, 202558140000058140
Mon, Sep 22, 202535116000035116
Sun, Sep 21, 202543100000043100
Sat, Sep 20, 2025438800004388
Fri, Sep 19, 202536130000036130
Thu, Sep 18, 202559154000059154