Pollen Monitor
Daily pollen insights

Daily pollen overview

Henderson pollen count

Latest detail and daily averages and peaks across all 390 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

19

Average

26

Peak

Tree

None

0

Average

0

Peak

Grass

None

0

Average

0

Peak

Ragweed

Moderate

19

Average

26

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

Ragweed19

Complete daily history

Average and peak modeled grains/m³ for all 390 captured days. Scroll sideways on smaller screens.

Complete daily pollen averages and peaks, newest first
DateTotalTreeGrassRagweed
AveragePeakAveragePeakAveragePeakAveragePeak
Tue, Oct 13, 2026Latest192600001926
Mon, Oct 12, 2026172900001729
Sun, Oct 11, 2026193100001931
Sat, Oct 10, 20269160000916
Fri, Oct 9, 2026101400001014
Thu, Oct 8, 20267110000711
Wed, Oct 7, 20269120000912
Tue, Oct 6, 2026142100001421
Mon, Oct 5, 2026142000001420
Sun, Oct 4, 2026101600001016
Sat, Oct 3, 2026131811001317
Fri, Oct 2, 202610151200913
Thu, Oct 1, 202613213600915
Wed, Sep 30, 20261629611001018
Tue, Sep 29, 2026134662300623
Mon, Sep 28, 202626401320001320
Sun, Sep 27, 2026914570057
Sat, Sep 26, 20261014570057
Fri, Sep 25, 202620381019001019
Thu, Sep 24, 20261014570057
Wed, Sep 23, 20261014570057
Tue, Sep 22, 2026164682300823
Mon, Sep 21, 202672441200412
Sun, Sep 20, 2026610350035
Sat, Sep 19, 20261116580058
Fri, Sep 18, 202626701335001335
Thu, Sep 17, 202630521526001526
Wed, Sep 16, 2026183691800918
Tue, Sep 15, 2026132871400714
Mon, Sep 14, 20261318690069
Sun, Sep 13, 20261318690069
Sat, Sep 12, 20261318790079
Fri, Sep 11, 2026142871400714
Thu, Sep 10, 2026710450045
Wed, Sep 9, 2026914570057
Tue, Sep 8, 20261118590059
Mon, Sep 7, 2026173291600916
Sun, Sep 6, 2026154082000820
Sat, Sep 5, 20261118690069
Fri, Sep 4, 20261116580058
Thu, Sep 3, 202612206900611
Wed, Sep 2, 2026152871300815
Tue, Sep 1, 2026122661200714
Mon, Aug 31, 2026112941102616
Sun, Aug 30, 2026913450157
Sat, Aug 29, 2026915460158
Fri, Aug 28, 2026510240036
Thu, Aug 27, 202647230034
Wed, Aug 26, 202645220033
Tue, Aug 25, 2026610240036
Mon, Aug 24, 2026613250137
Sun, Aug 23, 202658230035
Sat, Aug 22, 202658230035
Fri, Aug 21, 20268183701510
Thu, Aug 20, 202645220023
Wed, Aug 19, 202659240035
Tue, Aug 18, 202659240035
Mon, Aug 17, 202657230034
Sun, Aug 16, 202658230035
Sat, Aug 15, 202657230034
Fri, Aug 14, 202657230034
Thu, Aug 13, 202655220033
Wed, Aug 12, 202645220023
Tue, Aug 11, 202647230034
Mon, Aug 10, 202635120023
Sun, Aug 9, 202635120023
Sat, Aug 8, 202633110022
Fri, Aug 7, 202634120022
Thu, Aug 6, 202634120022
Wed, Aug 5, 202623110012
Tue, Aug 4, 202624120012
Mon, Aug 3, 202634111122
Sun, Aug 2, 202634111122
Sat, Aug 1, 202634001212
Fri, Jul 31, 202634002212
Thu, Jul 30, 202635002312
Wed, Jul 29, 202634002311
Tue, Jul 28, 202634002311
Mon, Jul 27, 202634002311
Sun, Jul 26, 202634002311
Sat, Jul 25, 202634002311
Fri, Jul 24, 202645002312
Thu, Jul 23, 202634002311
Wed, Jul 22, 202634002311
Tue, Jul 21, 202634002311
Mon, Jul 20, 202634002311
Sun, Jul 19, 202634002311
Sat, Jul 18, 202645003312
Fri, Jul 17, 202656003422
Thu, Jul 16, 202634002311
Wed, Jul 15, 202645002312
Tue, Jul 14, 202635002312
Mon, Jul 13, 202645003312
Sun, Jul 12, 202659003623
Sat, Jul 11, 202657003512
Fri, Jul 10, 202657003522
Thu, Jul 9, 202668004523
Wed, Jul 8, 202659003427
Tue, Jul 7, 2026134201414927
Mon, Jul 6, 2026156413523938
Sun, Jul 5, 202628213323118715103
Sat, Jul 4, 20265314582522632363
Fri, Jul 3, 20264917092922781865
Thu, Jul 2, 202622455101021714
Wed, Jul 1, 202628628171432613
Tue, Jun 30, 202642153124321791035
Mon, Jun 29, 2026356610181733817
Sun, Jun 28, 202643142124021731029
Sat, Jun 27, 202625617191228614
Fri, Jun 26, 2026346210191732814
Thu, Jun 25, 202624557171225513
Wed, Jun 24, 2026183551191648
Tue, Jun 23, 202633659191634814
Mon, Jun 22, 2026377311221834917
Sun, Jun 21, 202624427121222611
Sat, Jun 20, 20262641713131969
Fri, Jun 19, 202624527161124512
Thu, Jun 18, 2026183251091547
Wed, Jun 17, 202619295991347
Tue, Jun 16, 2026221176331160524
Mon, Jun 15, 2026339110281642821
Sun, Jun 14, 2026359610301745824
Sat, Jun 13, 202632749191636719
Fri, Jun 12, 20261839510919410
Thu, Jun 11, 2026432181367201001051
Wed, Jun 10, 2026311069331549724
Tue, Jun 9, 2026366010171731813
Mon, Jun 8, 202631969271549720
Sun, Jun 7, 2026337312261533714
Sat, Jun 6, 2026318513351235615
Fri, Jun 5, 202624631231821411
Thu, Jun 4, 20262356133071739
Wed, Jun 3, 20262994196272439
Tue, Jun 2, 20263316925125629215
Mon, Jun 1, 2026234018323713
Sun, May 31, 2026265221424814
Sat, May 30, 20264487356971626
Fri, May 29, 202675133591051220410
Thu, May 28, 202674179581441130413
Wed, May 27, 202673148571131123412
Tue, May 26, 2026461333710771927
Mon, May 25, 202681274642221237518
Sun, May 24, 202644114359272126
Sat, May 23, 2026501364010982039
Fri, May 22, 202666189521461029314
Thu, May 21, 202686152671151424513
Wed, May 20, 202694313752571437519
Tue, May 19, 2026107265852221737617
Mon, May 18, 202614957811849722731038
Sun, May 17, 2026116527934621756623
Sat, May 16, 2026125537994222098728
Fri, May 15, 202699169781311529613
Thu, May 14, 2026106208841641738512
Wed, May 13, 20262121,6931791,5792481933
Tue, May 12, 202690212711661430516
Mon, May 11, 202693213731691432615
Sun, May 10, 2026100230791831531616
Sat, May 9, 202687484693811488515
Fri, May 8, 20261372361071792237820
Thu, May 7, 20261745051454622036819
Wed, May 6, 20261587001365711791538
Tue, May 5, 20261473011332781123310
Mon, May 4, 20262111,8382041,82853915
Sun, May 3, 20262812,5432752,511532112
Sat, May 2, 202666206662060101
Fri, May 1, 20261427171427170000
Thu, Apr 30, 20264082,6124082,6120000
Wed, Apr 29, 20262991,3982991,3980000
Tue, Apr 28, 20261807831807830000
Mon, Apr 27, 20262063712063710000
Sun, Apr 26, 20264154,1694154,1690000
Sat, Apr 25, 20262691,4632691,4630000
Fri, Apr 24, 20261322251322250000
Thu, Apr 23, 20261764751764750000
Wed, Apr 22, 20264872,6894872,6890000
Tue, Apr 21, 20263112,0993112,0990000
Mon, Apr 20, 20261071531071530000
Sun, Apr 19, 20265602,4805602,4800000
Sat, Apr 18, 20265951,7545951,7540000
Fri, Apr 17, 20266894,7086894,7080000
Thu, Apr 16, 20263459193459190000
Wed, Apr 15, 20263431,2473431,2470000
Tue, Apr 14, 20266162,6766162,6760000
Mon, Apr 13, 20261,3264,5941,3264,5940000
Sun, Apr 12, 20265782,0315782,0310000
Sat, Apr 11, 20261,7475,3691,7475,3690000
Fri, Apr 10, 20261,5814,6031,5814,6030000
Thu, Apr 9, 20265912,4145912,4140000
Wed, Apr 8, 20264581,3124581,3120000
Tue, Apr 7, 20261,0794,3421,0794,3420000
Mon, Apr 6, 20263941,1043941,1040000
Sun, Apr 5, 20263069893069890000
Sat, Apr 4, 20268722,8278722,8270000
Fri, Apr 3, 20267082,7507082,7500000
Thu, Apr 2, 20261,9924,9171,9924,9170000
Wed, Apr 1, 20262,1307,1702,1307,1700000
Tue, Mar 31, 20264541,8794541,8790000
Mon, Mar 30, 20263072,2423072,2420000
Sun, Mar 29, 20267622,7867622,7860000
Sat, Mar 28, 20269704,4149704,4140000
Fri, Mar 27, 20268531,8978531,8970000
Thu, Mar 26, 20267361,6467361,6460000
Wed, Mar 25, 20267502,6797502,6790000
Tue, Mar 24, 20263901,3673901,3670000
Mon, Mar 23, 20267522,8157522,8150000
Sun, Mar 22, 20265742,2445742,2440000
Sat, Mar 21, 20264491,2354491,2350000
Fri, Mar 20, 20268202,4118202,4110000
Thu, Mar 19, 20264681,9414681,9410000
Wed, Mar 18, 20263111,3483111,3480000
Tue, Mar 17, 20262775592775590000
Mon, Mar 16, 20266302,7456302,7450000
Sun, Mar 15, 202697232972320000
Sat, Mar 14, 20261594411594410000
Fri, Mar 13, 20261711,1881711,1880000
Thu, Mar 12, 20261685661685660000
Wed, Mar 11, 20261564011564010000
Tue, Mar 10, 20262877452877450000
Mon, Mar 9, 20262054752054750000
Sun, Mar 8, 20261562981562980000
Sat, Mar 7, 20261586031586030000
Fri, Mar 6, 20261424141424140000
Thu, Mar 5, 20261956611956610000
Wed, Mar 4, 20263211,3963211,3960000
Tue, Mar 3, 20262006402006400000
Mon, Mar 2, 20261072911072910000
Sun, Mar 1, 20261412471412470000
Sat, Feb 28, 20261354081354080000
Fri, Feb 27, 20262558172558170000
Thu, Feb 26, 20263401,8923401,8920000
Wed, Feb 25, 20261894251894250000
Tue, Feb 24, 20261331981331980000
Mon, Feb 23, 20261557221557220000
Sun, Feb 22, 20261504921504920000
Sat, Feb 21, 20261434981434980000
Fri, Feb 20, 20261485781485780000
Thu, Feb 19, 20261513881513880000
Wed, Feb 18, 20261896561896560000
Tue, Feb 17, 20262337542337540000
Mon, Feb 16, 20261453491453490000
Sun, Feb 15, 202679236792360000
Sat, Feb 14, 202670124701240000
Fri, Feb 13, 20261694911694910000
Thu, Feb 12, 202696162961620000
Wed, Feb 11, 20261172271172270000
Tue, Feb 10, 202653101531010000
Mon, Feb 9, 202660124601240000
Sun, Feb 8, 202686152861520000
Sat, Feb 7, 202658107581070000
Fri, Feb 6, 202661121611210000
Thu, Feb 5, 202675230752300000
Wed, Feb 4, 202659148591480000
Tue, Feb 3, 202671123711230000
Mon, Feb 2, 20261243101243100000
Sun, Feb 1, 202651118511180000
Sat, Jan 31, 2026385738570000
Fri, Jan 30, 202642158421580000
Thu, Jan 29, 20262414,6582414,6580000
Wed, Jan 28, 20262072,2422072,2420000
Tue, Jan 27, 202673242732420000
Mon, Jan 26, 20263596,4563596,4560000
Sun, Jan 25, 202669331693310000
Sat, Jan 24, 202680249802490000
Fri, Jan 23, 2026225222520000
Thu, Jan 22, 202645112451120000
Wed, Jan 21, 202658125581250000
Tue, Jan 20, 202670237702370000
Mon, Jan 19, 202643100431000000
Sun, Jan 18, 2026489448940000
Sat, Jan 17, 2026447944790000
Fri, Jan 16, 202679320793200000
Thu, Jan 15, 202644210442100000
Wed, Jan 14, 20261003921003920000
Tue, Jan 13, 2026437643760000
Mon, Jan 12, 202655142551420000
Sun, Jan 11, 20261531,4591531,4590000
Sat, Jan 10, 202683438834380000
Fri, Jan 9, 20261971,9931971,9930000
Thu, Jan 8, 20261107371107370000
Wed, Jan 7, 202675309753090000
Tue, Jan 6, 202659174591740000
Mon, Jan 5, 202666174661740000
Sun, Jan 4, 202662317623170000
Sat, Jan 3, 2026306230620000
Fri, Jan 2, 2026123212320000
Thu, Jan 1, 2026305830580000
Wed, Dec 31, 202563207632070000
Tue, Dec 30, 202539126391260000
Mon, Dec 29, 20255143,4575143,4570000
Sun, Dec 28, 202598388983880000
Sat, Dec 27, 202539139391390000
Fri, Dec 26, 202555135551350000
Thu, Dec 25, 202573222732220000
Wed, Dec 24, 202549256492560000
Tue, Dec 23, 2025931,324931,3240000
Mon, Dec 22, 202540155401550000
Sun, Dec 21, 2025209420940000
Sat, Dec 20, 2025388138810000
Fri, Dec 19, 2025124112410000
Thu, Dec 18, 202525187251870000
Wed, Dec 17, 202534164341640000
Tue, Dec 16, 20251756021756020000
Mon, Dec 15, 20257247240000
Sun, Dec 14, 2025204920490000
Sat, Dec 13, 2025113311330000
Fri, Dec 12, 2025113611360000
Thu, Dec 11, 2025123112310000
Wed, Dec 10, 20258178170000
Tue, Dec 9, 20258238230000
Mon, Dec 8, 2025115511550000
Sun, Dec 7, 20258187170002
Sat, Dec 6, 20257155110024
Fri, Dec 5, 202593051700413
Thu, Dec 4, 2025113351400619
Wed, Dec 3, 20251358317001041
Tue, Dec 2, 20256250300522
Mon, Dec 1, 2025154100001541
Sun, Nov 30, 2025124400001244
Sat, Nov 29, 2025155100001551
Fri, Nov 28, 20258290000829
Thu, Nov 27, 2025112700001127
Wed, Nov 26, 2025236500002365
Tue, Nov 25, 2025153800001538
Mon, Nov 24, 20259200000920
Sun, Nov 23, 2025102700001027
Sat, Nov 22, 2025103700001037
Fri, Nov 21, 20259210000921
Thu, Nov 20, 20258280000828
Wed, Nov 19, 20256200000620
Tue, Nov 18, 2025123700001237
Mon, Nov 17, 2025156100001561
Sun, Nov 16, 202521160000021160
Sat, Nov 15, 2025163100001631
Fri, Nov 14, 2025253900002539
Thu, Nov 13, 2025123000001230
Wed, Nov 12, 2025112700001127
Tue, Nov 11, 20259190000919
Mon, Nov 10, 2025163400001634
Sun, Nov 9, 2025223700002237
Sat, Nov 8, 2025183400001834
Fri, Nov 7, 2025163100001631
Thu, Nov 6, 2025223800002238
Wed, Nov 5, 2025224000002240
Tue, Nov 4, 2025204000002040
Mon, Nov 3, 2025143700001437
Sun, Nov 2, 2025285300002853
Sat, Nov 1, 202539146000039146
Fri, Oct 31, 202542138000042138
Thu, Oct 30, 2025194900001949
Wed, Oct 29, 2025329000003290
Tue, Oct 28, 2025377700003777
Mon, Oct 27, 202542128000042128
Sun, Oct 26, 2025559900005599
Sat, Oct 25, 2025346600003466
Fri, Oct 24, 202549128000049128
Thu, Oct 23, 2025539100005391
Wed, Oct 22, 202534153000034153
Tue, Oct 21, 202538108000038108
Mon, Oct 20, 2025294700002947
Sun, Oct 19, 202538119000038119
Sat, Oct 18, 2025369400003694
Fri, Oct 17, 202558144000058144
Thu, Oct 16, 2025398900003989
Wed, Oct 15, 202549160000049160
Tue, Oct 14, 202587215000087215
Mon, Oct 13, 2025376300003763
Sun, Oct 12, 202554108000054108
Sat, Oct 11, 20251162700000116270
Fri, Oct 10, 2025388000003880
Thu, Oct 9, 202555275000055275
Wed, Oct 8, 2025459500004595
Tue, Oct 7, 2025418600004186
Mon, Oct 6, 202562148000062148
Sun, Oct 5, 202555123000055123
Sat, Oct 4, 202592289000092289
Fri, Oct 3, 20251022950000102295
Thu, Oct 2, 202550144000050144
Wed, Oct 1, 202558135000058135
Tue, Sep 30, 20251222920000122292
Mon, Sep 29, 202595253000095253
Sun, Sep 28, 202578229000078229
Sat, Sep 27, 202574160000074160
Fri, Sep 26, 202567392000067392
Thu, Sep 25, 2025328700003287
Wed, Sep 24, 2025357200003572
Tue, Sep 23, 202548114000048114
Mon, Sep 22, 2025429400004294
Sun, Sep 21, 202539113000039113
Sat, Sep 20, 20251063600000106360
Fri, Sep 19, 202572178000072178