Pollen Monitor
Daily pollen insights

Daily pollen overview

Chula Vista 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

56

Average

103

Peak

Tree

None

0

Average

0

Peak

Grass

None

0

Average

0

Peak

Ragweed

High

56

Average

103

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

Ragweed56

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, 2026Latest56103000056103
Mon, Oct 12, 202660123000060123
Sun, Oct 11, 202668106000068106
Sat, Oct 10, 2026559000005590
Fri, Oct 9, 202673131000073131
Thu, Oct 8, 2026578900005789
Wed, Oct 7, 202676144000076144
Tue, Oct 6, 20261091250000109125
Mon, Oct 5, 20261091510000109151
Sun, Oct 4, 202678130000078130
Sat, Oct 3, 202694119790088110
Fri, Oct 2, 2026571338200048113
Thu, Oct 1, 20266018217520043130
Wed, Sep 30, 2026651172545004072
Tue, Sep 29, 2026711883594003594
Mon, Sep 28, 2026691383569003569
Sun, Sep 27, 202662983149003149
Sat, Sep 26, 2026691383569003569
Fri, Sep 25, 2026791664083004083
Thu, Sep 24, 2026681083454003454
Wed, Sep 23, 2026751283864003864
Tue, Sep 22, 2026991705085005085
Mon, Sep 21, 2026931584679004679
Sun, Sep 20, 2026901604580004580
Sat, Sep 19, 2026921544677004677
Fri, Sep 18, 2026111222561110056111
Thu, Sep 17, 20261181625981005981
Wed, Sep 16, 2026811544177004177
Tue, Sep 15, 2026791484074004074
Mon, Sep 14, 2026771303865003865
Sun, Sep 13, 2026731063653003653
Sat, Sep 12, 2026741203760003760
Fri, Sep 11, 2026861564378004378
Thu, Sep 10, 20261071785489005489
Wed, Sep 9, 20261121525676005676
Tue, Sep 8, 20261011365068005068
Mon, Sep 7, 20261051525276005276
Sun, Sep 6, 2026941344767004767
Sat, Sep 5, 2026821464173004173
Fri, Sep 4, 2026851444372004372
Thu, Sep 3, 2026761263558004168
Wed, Sep 2, 2026671283159003669
Tue, Sep 1, 2026771503669004281
Mon, Aug 31, 2026671222647593666
Sun, Aug 30, 2026681272649593769
Sat, Aug 29, 2026651222547593566
Fri, Aug 28, 202652792030462843
Thu, Aug 27, 202652752029452841
Wed, Aug 26, 202654792130462943
Tue, Aug 25, 202649681926352737
Mon, Aug 24, 202650811931462744
Sun, Aug 23, 202637551421342030
Sat, Aug 22, 202631391215231721
Fri, Aug 21, 202642591623342332
Thu, Aug 20, 202629341113221619
Wed, Aug 19, 202626401015231422
Tue, Aug 18, 202629411116231622
Mon, Aug 17, 202630391215231721
Sun, Aug 16, 202634441317231924
Sat, Aug 15, 202631341213221719
Fri, Aug 14, 202631351214221719
Thu, Aug 13, 202632351214221819
Wed, Aug 12, 20262428911221315
Tue, Aug 11, 20262128811121215
Mon, Aug 10, 20261826710121014
Sun, Aug 9, 20261826710121014
Sat, Aug 8, 20261926710121114
Fri, Aug 7, 20262126810121114
Thu, Aug 6, 20262126810121114
Wed, Aug 5, 2026182279111012
Tue, Aug 4, 202616206811911
Mon, Aug 3, 202617235745811
Sun, Aug 2, 202615223557710
Sat, Aug 1, 2026182323810810
Fri, Jul 31, 20262129121216811
Thu, Jul 30, 20262228001418810
Wed, Jul 29, 2026212500131679
Tue, Jul 28, 2026192300121578
Mon, Jul 27, 2026172300111568
Sun, Jul 26, 2026172600111769
Sat, Jul 25, 2026192300121578
Fri, Jul 24, 20262228001418810
Thu, Jul 23, 2026192600131779
Wed, Jul 22, 20262229001419810
Tue, Jul 21, 2026192600131779
Mon, Jul 20, 2026172300111568
Sun, Jul 19, 2026192300121578
Sat, Jul 18, 2026202300131578
Fri, Jul 17, 2026192500131679
Thu, Jul 16, 2026162300111568
Wed, Jul 15, 20262128001318710
Tue, Jul 14, 2026202600131779
Mon, Jul 13, 20262028001318710
Sun, Jul 12, 202633390021251214
Sat, Jul 11, 20262628001718910
Fri, Jul 10, 20262432001621911
Thu, Jul 9, 20262740001726914
Wed, Jul 8, 202628910018591032
Tue, Jul 7, 20262443018141630
Mon, Jul 6, 20262344138151427
Sun, Jul 5, 20262037248151120
Sat, Jul 4, 20262236369161017
Fri, Jul 3, 20262234461016813
Thu, Jul 2, 202619244691167
Wed, Jul 1, 202625487131224612
Tue, Jun 30, 202630459141523711
Mon, Jun 29, 202628898231443623
Sun, Jun 28, 20262435711121768
Sat, Jun 27, 202628458141421610
Fri, Jun 26, 202628408121419610
Thu, Jun 25, 202626427121322610
Wed, Jun 24, 20262339712111859
Tue, Jun 23, 20262641713121969
Mon, Jun 22, 202630649181533716
Sun, Jun 21, 202633549141626814
Sat, Jun 20, 202633519141625813
Fri, Jun 19, 2026364710131823812
Thu, Jun 18, 202628678171433717
Wed, Jun 17, 202622406121119510
Tue, Jun 16, 202616284981346
Mon, Jun 15, 20261756514828414
Sun, Jun 14, 20261747512823412
Sat, Jun 13, 202629588161430713
Fri, Jun 12, 202624457141221511
Thu, Jun 11, 202632519141625713
Wed, Jun 10, 202631979251547725
Tue, Jun 9, 2026416312182032914
Mon, Jun 8, 20264978142424371119
Sun, Jun 7, 202654118194224511125
Sat, Jun 6, 202614527362120571102656
Fri, Jun 5, 2026587229362026913
Thu, Jun 4, 2026658737511925913
Wed, Jun 3, 20266012639831532611
Tue, Jun 2, 20268212360911628712
Mon, Jun 1, 202696136751061524511
Sun, May 31, 202673132571001221411
Sat, May 30, 2026781046282121947
Fri, May 29, 20267812461941221410
Thu, May 28, 202691160721221425513
Wed, May 27, 202699178781431630510
Tue, May 26, 2026107173841391729610
Mon, May 25, 20269611976911521610
Sun, May 24, 202610317181135163169
Sat, May 23, 202692171721321426513
Fri, May 22, 202696170751361524612
Thu, May 21, 2026123224971841934616
Wed, May 20, 202689217691711439515
Tue, May 19, 2026107283852411635615
Mon, May 18, 202695198751611534513
Sun, May 17, 20261334161063592049713
Sat, May 16, 20261674441323842552919
Fri, May 15, 202670300552271148425
Thu, May 14, 2026111252871911840621
Wed, May 13, 2026124279972122044723
Tue, May 12, 20261424331123732251813
Mon, May 11, 202620243516336628501126
Sun, May 10, 202621840617535031501224
Sat, May 9, 202629950524443039661635
Fri, May 8, 202621449117241830481125
Thu, May 7, 20263841,1933311,10737781641
Wed, May 6, 20263071,1172781,0572346615
Tue, May 5, 20261692861522591324410
Mon, May 4, 202621062420160672119
Sun, May 3, 202618373417871741714
Sat, May 2, 20261655171645170101
Fri, May 1, 20263541,3063541,3060000
Thu, Apr 30, 20263668573668570000
Wed, Apr 29, 20262449702449700000
Tue, Apr 28, 20262481,2492481,2490000
Mon, Apr 27, 20263692,3623692,3620000
Sun, Apr 26, 20263751,6173751,6170000
Sat, Apr 25, 20263717663717660000
Fri, Apr 24, 20265962,0875962,0870000
Thu, Apr 23, 20265242,1755242,1750000
Wed, Apr 22, 20264851,9804851,9800000
Tue, Apr 21, 20263121,0763121,0760000
Mon, Apr 20, 20268203,0228203,0220000
Sun, Apr 19, 20263961,5313961,5310000
Sat, Apr 18, 20264231,2684231,2680000
Fri, Apr 17, 20264361,2694361,2690000
Thu, Apr 16, 20265001,9385001,9380000
Wed, Apr 15, 20261,0082,9771,0082,9770000
Tue, Apr 14, 20268292,9318292,9310000
Mon, Apr 13, 20261,0245,4481,0245,4480000
Sun, Apr 12, 20261,1374,9381,1374,9380000
Sat, Apr 11, 20268652,7618652,7610000
Fri, Apr 10, 20267032,2087032,2080000
Thu, Apr 9, 20261,3994,8241,3994,8240000
Wed, Apr 8, 20261,2303,3781,2303,3780000
Tue, Apr 7, 20266602,3026602,3020000
Mon, Apr 6, 20261,1913,3681,1913,3680000
Sun, Apr 5, 20268213,6248213,6240000
Sat, Apr 4, 20267372,9857372,9850000
Fri, Apr 3, 20266741,8156741,8150000
Thu, Apr 2, 20261,3603,8611,3603,8610000
Wed, Apr 1, 20261,3814,5701,3814,5700000
Tue, Mar 31, 20261,2843,4691,2843,4690000
Mon, Mar 30, 20261,5357,1421,5357,1420000
Sun, Mar 29, 20267643,3137643,3130000
Sat, Mar 28, 20268724,1088724,1080000
Fri, Mar 27, 20266732,8126732,8120000
Thu, Mar 26, 20266032,4506032,4500000
Wed, Mar 25, 20267372,5377372,5370000
Tue, Mar 24, 20265051,7665051,7660000
Mon, Mar 23, 20267344,1187344,1180000
Sun, Mar 22, 20265202,5415202,5410000
Sat, Mar 21, 20265731,1615731,1610000
Fri, Mar 20, 20266451,7166451,7160000
Thu, Mar 19, 20262674652674650000
Wed, Mar 18, 20262106832106830000
Tue, Mar 17, 20263571,1033571,1030000
Mon, Mar 16, 20263441,5973441,5970000
Sun, Mar 15, 20262126162126160000
Sat, Mar 14, 20261935361935360000
Fri, Mar 13, 20262039742039740000
Thu, Mar 12, 20262876812876810000
Wed, Mar 11, 20261775751775750000
Tue, Mar 10, 20262531,3942531,3940000
Mon, Mar 9, 20262496632496630000
Sun, Mar 8, 20261886771886770000
Sat, Mar 7, 20262077532077530000
Fri, Mar 6, 20261656211656210000
Thu, Mar 5, 20262585762585760000
Wed, Mar 4, 20261967631967630000
Tue, Mar 3, 20261968741968740000
Mon, Mar 2, 20262097312097310000
Sun, Mar 1, 20261712981712980000
Sat, Feb 28, 20261544981544980000
Fri, Feb 27, 20262251,3432251,3430000
Thu, Feb 26, 20263121,0813121,0810000
Wed, Feb 25, 20261303171303170000
Tue, Feb 24, 20261152361152360000
Mon, Feb 23, 20261452141452140000
Sun, Feb 22, 20261896541896540000
Sat, Feb 21, 20262378142378140000
Fri, Feb 20, 20262346652346650000
Thu, Feb 19, 20261935231935230000
Wed, Feb 18, 20262951,4392951,4390000
Tue, Feb 17, 20262185602185600000
Mon, Feb 16, 20263461,2463461,2460000
Sun, Feb 15, 20261523451523450000
Sat, Feb 14, 20261333141333140000
Fri, Feb 13, 20263836043836040000
Thu, Feb 12, 20261703471703470000
Wed, Feb 11, 20262845532845530000
Tue, Feb 10, 20261893821893820000
Mon, Feb 9, 202682236822360000
Sun, Feb 8, 20261062011062010000
Sat, Feb 7, 202695224952240000
Fri, Feb 6, 20261422521422520000
Thu, Feb 5, 202680177801770000
Wed, Feb 4, 202687203872030000
Tue, Feb 3, 20261061431061430000
Mon, Feb 2, 20261663931663930000
Sun, Feb 1, 202665142651420000
Sat, Jan 31, 202667136671360000
Fri, Jan 30, 202650160501600000
Thu, Jan 29, 202644190441900000
Wed, Jan 28, 202679244792440000
Tue, Jan 27, 202663129631290000
Mon, Jan 26, 202663155631550000
Sun, Jan 25, 202680174801740000
Sat, Jan 24, 20261544511544510000
Fri, Jan 23, 202661237612370000
Thu, Jan 22, 202682109821090000
Wed, Jan 21, 202674189741890000
Tue, Jan 20, 20261748491748490000
Mon, Jan 19, 202662159621590000
Sun, Jan 18, 2026659965990000
Sat, Jan 17, 202658125581250000
Fri, Jan 16, 2026438943890000
Thu, Jan 15, 202646227462270000
Wed, Jan 14, 202650124501240000
Tue, Jan 13, 202655175551750000
Mon, Jan 12, 20261907421907420000
Sun, Jan 11, 20262422,6622422,6620000
Sat, Jan 10, 202666136661360000
Fri, Jan 9, 202673396733960000
Thu, Jan 8, 20261142891142890000
Wed, Jan 7, 202677292772920000
Tue, Jan 6, 202675113751130000
Mon, Jan 5, 202654166541660000
Sun, Jan 4, 20261811,5761811,5760000
Sat, Jan 3, 202652320523200000
Fri, Jan 2, 202633232332320000
Thu, Jan 1, 202674357743570000
Wed, Dec 31, 202586141861410000
Tue, Dec 30, 20251012991012990000
Mon, Dec 29, 202567129671290000
Sun, Dec 28, 2025358535850000
Sat, Dec 27, 202545172451720000
Fri, Dec 26, 202589573895730000
Thu, Dec 25, 202599855998550000
Wed, Dec 24, 2025498649860000
Tue, Dec 23, 202574826748260000
Mon, Dec 22, 202534327343270000
Sun, Dec 21, 202566158661580000
Sat, Dec 20, 2025258525850000
Fri, Dec 19, 202555560555600000
Thu, Dec 18, 202537144371440000
Wed, Dec 17, 2025269026900000
Tue, Dec 16, 202524110241100000
Mon, Dec 15, 2025124112410000
Sun, Dec 14, 202580449804490000
Sat, Dec 13, 2025115811580000
Fri, Dec 12, 20258218210000
Thu, Dec 11, 2025142714270000
Wed, Dec 10, 2025133613360000
Tue, Dec 9, 2025173117310000
Mon, Dec 8, 2025113811380000
Sun, Dec 7, 20258228200012
Sat, Dec 6, 202511278190038
Fri, Dec 5, 202524601434001026
Thu, Dec 4, 20252237916001321
Wed, Dec 3, 20251362416001046
Tue, Dec 2, 20259310200829
Mon, Dec 1, 20259240000924
Sun, Nov 30, 20257160000716
Sat, Nov 29, 20259230000923
Fri, Nov 28, 2025113500001135
Thu, Nov 27, 2025163400001634
Wed, Nov 26, 2025173200001732
Tue, Nov 25, 2025143000001430
Mon, Nov 24, 2025112900001129
Sun, Nov 23, 2025122900001229
Sat, Nov 22, 2025137200001372
Fri, Nov 21, 2025102700001027
Thu, Nov 20, 2025133100001331
Wed, Nov 19, 2025103500001035
Tue, Nov 18, 2025116200001162
Mon, Nov 17, 2025123000001230
Sun, Nov 16, 2025122100001221
Sat, Nov 15, 2025132400001324
Fri, Nov 14, 2025183100001831
Thu, Nov 13, 2025196200001962
Wed, Nov 12, 2025163600001636
Tue, Nov 11, 2025144900001449
Mon, Nov 10, 2025103500001035
Sun, Nov 9, 20258230000823
Sat, Nov 8, 2025113800001138
Fri, Nov 7, 2025173900001739
Thu, Nov 6, 2025163400001634
Wed, Nov 5, 2025122800001228
Tue, Nov 4, 2025103900001039
Mon, Nov 3, 2025102300001023
Sun, Nov 2, 20259210000921
Sat, Nov 1, 2025139400001394
Fri, Oct 31, 2025214000002140
Thu, Oct 30, 2025295800002958
Wed, Oct 29, 2025228000002280
Tue, Oct 28, 2025143800001438
Mon, Oct 27, 2025234200002342
Sun, Oct 26, 2025214500002145
Sat, Oct 25, 2025183900001839
Fri, Oct 24, 2025236300002363
Thu, Oct 23, 2025224100002241
Wed, Oct 22, 2025215300002153
Tue, Oct 21, 2025215100002151
Mon, Oct 20, 202533116000033116
Sun, Oct 19, 202537211000037211
Sat, Oct 18, 202542115000042115
Fri, Oct 17, 202545151000045151
Thu, Oct 16, 2025307400003074
Wed, Oct 15, 2025438000004380
Tue, Oct 14, 202535120000035120
Mon, Oct 13, 2025337600003376
Sun, Oct 12, 2025409600004096
Sat, Oct 11, 20251083050000108305
Fri, Oct 10, 202551255000051255
Thu, Oct 9, 2025389500003895
Wed, Oct 8, 202538103000038103
Tue, Oct 7, 202542112000042112
Mon, Oct 6, 2025368600003686
Sun, Oct 5, 2025368600003686
Sat, Oct 4, 202549104000049104
Fri, Oct 3, 2025458600004586
Thu, Oct 2, 202553131000053131
Wed, Oct 1, 202550128000050128
Tue, Sep 30, 202557115000057115
Mon, Sep 29, 202548125000048125
Sun, Sep 28, 202559118000059118
Sat, Sep 27, 202560111000060111
Fri, Sep 26, 202557131000057131
Thu, Sep 25, 202549136000049136
Wed, Sep 24, 202558126000058126
Tue, Sep 23, 202555104000055104
Mon, Sep 22, 202583265000083265
Sun, Sep 21, 202548110000048110
Sat, Sep 20, 202569230000069230
Fri, Sep 19, 202571113000071113