Pollen Monitor
Daily pollen insights

Daily pollen overview

Tucson 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/Phoenix

Total

15

Average

19

Peak

Tree

None

0

Average

0

Peak

Grass

None

0

Average

0

Peak

Ragweed

Moderate

15

Average

19

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

Ragweed15

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, 2026Latest151900001519
Mon, Oct 12, 2026112800001128
Sun, Oct 11, 2026193100001931
Sat, Oct 10, 2026102300001023
Fri, Oct 9, 2026132600001326
Thu, Oct 8, 2026102100001021
Wed, Oct 7, 2026111600001116
Tue, Oct 6, 2026202500002025
Mon, Oct 5, 2026203700002037
Sun, Oct 4, 2026194000001940
Sat, Oct 3, 2026183212001730
Fri, Oct 2, 2026172924001425
Thu, Oct 1, 2026133249001023
Wed, Sep 30, 2026143051100919
Tue, Sep 29, 2026152471200712
Mon, Sep 28, 2026163081500815
Sun, Sep 27, 20261014570057
Sat, Sep 26, 2026122261100611
Fri, Sep 25, 2026163281600816
Thu, Sep 24, 202620341017001017
Wed, Sep 23, 202620301015001015
Tue, Sep 22, 2026187693800938
Mon, Sep 21, 202620761038001038
Sun, Sep 20, 2026133271600716
Sat, Sep 19, 20261318790079
Fri, Sep 18, 202621721136001136
Thu, Sep 17, 202621661133001133
Wed, Sep 16, 2026173091500915
Tue, Sep 15, 2026152871400714
Mon, Sep 14, 202619301015001015
Sun, Sep 13, 2026132071000710
Sat, Sep 12, 202620301015001015
Fri, Sep 11, 2026162281100811
Thu, Sep 10, 2026184092000920
Wed, Sep 9, 2026152071000710
Tue, Sep 8, 2026142071000710
Mon, Sep 7, 2026152471200712
Sun, Sep 6, 2026152081000810
Sat, Sep 5, 2026142071000710
Fri, Sep 4, 2026182691300913
Thu, Sep 3, 2026171888001010
Wed, Sep 2, 2026152271000812
Tue, Sep 1, 202612186800610
Mon, Aug 31, 202613205811711
Sun, Aug 30, 202616216811912
Sat, Aug 29, 202611215801612
Fri, Aug 28, 2026713350147
Thu, Aug 27, 2026713350147
Wed, Aug 26, 202657230034
Tue, Aug 25, 202668230045
Mon, Aug 24, 2026710340046
Sun, Aug 23, 202667230034
Sat, Aug 22, 202658230035
Fri, Aug 21, 202610184701610
Thu, Aug 20, 202657230034
Wed, Aug 19, 202655220033
Tue, Aug 18, 202657230034
Mon, Aug 17, 202658230035
Sun, Aug 16, 202657230034
Sat, Aug 15, 202645220023
Fri, Aug 14, 202645220023
Thu, Aug 13, 202645220023
Wed, Aug 12, 202645220023
Tue, Aug 11, 202634120022
Mon, Aug 10, 202634120022
Sun, Aug 9, 202637130024
Sat, Aug 8, 202635120023
Fri, Aug 7, 202635120023
Thu, Aug 6, 202634120022
Wed, Aug 5, 202637130024
Tue, Aug 4, 202623110012
Mon, Aug 3, 202634110112
Sun, Aug 2, 202634011112
Sat, Aug 1, 202634001212
Fri, Jul 31, 202635002312
Thu, Jul 30, 202634002311
Wed, Jul 29, 202647003512
Tue, Jul 28, 202635002312
Mon, Jul 27, 202647003512
Sun, Jul 26, 202648003513
Sat, Jul 25, 202634002311
Fri, Jul 24, 202648003513
Thu, Jul 23, 202647003512
Wed, Jul 22, 202647002512
Tue, Jul 21, 202648003513
Mon, Jul 20, 202644003311
Sun, Jul 19, 202634002311
Sat, Jul 18, 202648003513
Fri, Jul 17, 202635002312
Thu, Jul 16, 202648003513
Wed, Jul 15, 202648003513
Tue, Jul 14, 202637002512
Mon, Jul 13, 202645003312
Sun, Jul 12, 202659004623
Sat, Jul 11, 202656003412
Fri, Jul 10, 202646003412
Thu, Jul 9, 202656003422
Wed, Jul 8, 20265150034211
Tue, Jul 7, 2026134200413929
Mon, Jul 6, 20261884176261151
Sun, Jul 5, 202611346910364418060253
Sat, Jul 4, 20265914791924642664
Fri, Jul 3, 20265019394122871973
Thu, Jul 2, 202642150103520691346
Wed, Jul 1, 2026359310261748819
Tue, Jun 30, 20263711710331860924
Mon, Jun 29, 202632999281651720
Sun, Jun 28, 202627588161330614
Sat, Jun 27, 202621506141026510
Fri, Jun 26, 202624487141224512
Thu, Jun 25, 202622536161025512
Wed, Jun 24, 202619525161024412
Tue, Jun 23, 2026301009261548726
Mon, Jun 22, 20264385122621391020
Sun, Jun 21, 202632789241636718
Sat, Jun 20, 202628688211331616
Fri, Jun 19, 202621586161130512
Thu, Jun 18, 202622786221140516
Wed, Jun 17, 202620786201038520
Tue, Jun 16, 2026301049321548724
Mon, Jun 15, 202627598151329615
Sun, Jun 14, 2026359310251746824
Sat, Jun 13, 202621566161129511
Fri, Jun 12, 202627528161324612
Thu, Jun 11, 2026348310241641821
Wed, Jun 10, 20263514510451766834
Tue, Jun 9, 202625727221233617
Mon, Jun 8, 2026341339341765834
Sun, Jun 7, 2026326511231430715
Sat, Jun 6, 2026267811361030512
Fri, Jun 5, 20264512822631643723
Thu, Jun 4, 20264612026731333617
Wed, Jun 3, 20264212527821132413
Tue, Jun 2, 20262781206051726
Mon, Jun 1, 202643107348571927
Sun, May 31, 20263673285651326
Sat, May 30, 20264713337101721311
Fri, May 29, 202644101357771728
Thu, May 28, 2026441253595720210
Wed, May 27, 202676185601501230414
Tue, May 26, 20265516643128926313
Mon, May 25, 202679217621711239410
Sun, May 24, 20265416243130824313
Sat, May 23, 20266221950184925313
Fri, May 22, 202680159631211327413
Thu, May 21, 202698213771781533617
Wed, May 20, 202697198761611532514
Tue, May 19, 202688145691171426511
Mon, May 18, 202696248761991532517
Sun, May 17, 2026105268832171633618
Sat, May 16, 2026101235801881638616
Fri, May 15, 202674150581191227410
Thu, May 14, 202695192751561532516
Wed, May 13, 2026105182831501729612
Tue, May 12, 2026126212991662033817
Mon, May 11, 2026112384893351735614
Sun, May 10, 2026119390953391836615
Sat, May 9, 20261384081113522048724
Fri, May 8, 20261504401203712269824
Thu, May 7, 20261726311455701943818
Wed, May 6, 20263361,8693071,7902361624
Tue, May 5, 20261564101403531244313
Mon, May 4, 202611119110618341214
Sun, May 3, 202618154317552941426
Sat, May 2, 20262301,0562301,0560303
Fri, May 1, 20262445602445600000
Thu, Apr 30, 20264062,3604062,3600000
Wed, Apr 29, 20264822,6704822,6700000
Tue, Apr 28, 20262351,7802351,7800000
Mon, Apr 27, 20261302801302800000
Sun, Apr 26, 20262103542103540000
Sat, Apr 25, 20261928891928890000
Fri, Apr 24, 20261745411745410000
Thu, Apr 23, 20261934491934490000
Wed, Apr 22, 20263762,0213762,0210000
Tue, Apr 21, 20263682,2963682,2960000
Mon, Apr 20, 20262338472338470000
Sun, Apr 19, 20264312,1144312,1140000
Sat, Apr 18, 20265231,2695231,2690000
Fri, Apr 17, 20262125812125810000
Thu, Apr 16, 20265962,6755962,6750000
Wed, Apr 15, 20263701,2473701,2470000
Tue, Apr 14, 20266222,7526222,7520000
Mon, Apr 13, 20266652,6046652,6040000
Sun, Apr 12, 20264331,4964331,4960000
Sat, Apr 11, 20265292,1335292,1330000
Fri, Apr 10, 20266492,3496492,3490000
Thu, Apr 9, 20263011,4443011,4440000
Wed, Apr 8, 20264421,6474421,6470000
Tue, Apr 7, 20266212,4676212,4670000
Mon, Apr 6, 20266252,0536252,0530000
Sun, Apr 5, 20263881,5003881,5000000
Sat, Apr 4, 20266341,8696341,8690000
Fri, Apr 3, 20265322,4165322,4160000
Thu, Apr 2, 20264421,9914421,9910000
Wed, Apr 1, 20261,7285,1271,7285,1270000
Tue, Mar 31, 20261,2195,0581,2195,0580000
Mon, Mar 30, 20269884,6149884,6140000
Sun, Mar 29, 20266591,8976591,8970000
Sat, Mar 28, 20267431,6817431,6810000
Fri, Mar 27, 20261,1715,4561,1715,4560000
Thu, Mar 26, 20269804,3119804,3110000
Wed, Mar 25, 20268862,6488862,6480000
Tue, Mar 24, 20263156683156680000
Mon, Mar 23, 20266661,5276661,5270000
Sun, Mar 22, 20266952,1316952,1310000
Sat, Mar 21, 20265481,3365481,3360000
Fri, Mar 20, 20267022,0417022,0410000
Thu, Mar 19, 20263941,2173941,2170000
Wed, Mar 18, 20262431,0412431,0410000
Tue, Mar 17, 20265654,6145654,6140000
Mon, Mar 16, 20263276863276860000
Sun, Mar 15, 20261263651263650000
Sat, Mar 14, 20261704321704320000
Fri, Mar 13, 20262068542068540000
Thu, Mar 12, 20262557102557100000
Wed, Mar 11, 20261604081604080000
Tue, Mar 10, 20263381,5863381,5860000
Mon, Mar 9, 20262249712249710000
Sun, Mar 8, 20261243121243120000
Sat, Mar 7, 20261833861833860000
Fri, Mar 6, 20261172151172150000
Thu, Mar 5, 20262065662065660000
Wed, Mar 4, 20262861,3962861,3960000
Tue, Mar 3, 20262686782686780000
Mon, Mar 2, 20263301,3463301,3460000
Sun, Mar 1, 20261737221737220000
Sat, Feb 28, 20262046392046390000
Fri, Feb 27, 20262406392406390000
Thu, Feb 26, 20262075132075130000
Wed, Feb 25, 20261607551607550000
Tue, Feb 24, 20261866381866380000
Mon, Feb 23, 20261553451553450000
Sun, Feb 22, 20261634031634030000
Sat, Feb 21, 20261764581764580000
Fri, Feb 20, 20262745322745320000
Thu, Feb 19, 20262275792275790000
Wed, Feb 18, 20262041,1282041,1280000
Tue, Feb 17, 20261905581905580000
Mon, Feb 16, 20261334541334540000
Sun, Feb 15, 20261071921071920000
Sat, Feb 14, 20261172841172840000
Fri, Feb 13, 20263029773029770000
Thu, Feb 12, 202664111641110000
Wed, Feb 11, 20261203361203360000
Tue, Feb 10, 202675213752130000
Mon, Feb 9, 202671268712680000
Sun, Feb 8, 202680154801540000
Sat, Feb 7, 202667128671280000
Fri, Feb 6, 202673188731880000
Thu, Feb 5, 20261092091092090000
Wed, Feb 4, 202672166721660000
Tue, Feb 3, 202665243652430000
Mon, Feb 2, 20261403351403350000
Sun, Feb 1, 202695173951730000
Sat, Jan 31, 20261668911668910000
Fri, Jan 30, 202649261492610000
Thu, Jan 29, 202658144581440000
Wed, Jan 28, 202685252852520000
Tue, Jan 27, 20261875881875880000
Mon, Jan 26, 20261791,8361791,8360000
Sun, Jan 25, 20261092991092990000
Sat, Jan 24, 20261173131173130000
Fri, Jan 23, 202666276662760000
Thu, Jan 22, 202641112411120000
Wed, Jan 21, 202649134491340000
Tue, Jan 20, 202683170831700000
Mon, Jan 19, 202656158561580000
Sun, Jan 18, 202681321813210000
Sat, Jan 17, 202650156501560000
Fri, Jan 16, 202647124471240000
Thu, Jan 15, 20262651,8962651,8960000
Wed, Jan 14, 20261094221094220000
Tue, Jan 13, 20261003611003610000
Mon, Jan 12, 20261824871824870000
Sun, Jan 11, 20261583531583530000
Sat, Jan 10, 20261023261023260000
Fri, Jan 9, 202678282782820000
Thu, Jan 8, 202655165551650000
Wed, Jan 7, 202691265912650000
Tue, Jan 6, 202668265682650000
Mon, Jan 5, 202671190711900000
Sun, Jan 4, 2026438143810000
Sat, Jan 3, 202648140481400000
Fri, Jan 2, 2026266826680000
Thu, Jan 1, 202687451874510000
Wed, Dec 31, 202580162801620000
Tue, Dec 30, 202580206802060000
Mon, Dec 29, 202570221702210000
Sun, Dec 28, 202579296792960000
Sat, Dec 27, 2025359535950000
Fri, Dec 26, 202556179561790000
Thu, Dec 25, 202579141791410000
Wed, Dec 24, 202565207652070000
Tue, Dec 23, 20251357311357310000
Mon, Dec 22, 202547171471710000
Sun, Dec 21, 2025307130710000
Sat, Dec 20, 202547119471190000
Fri, Dec 19, 202563936639360000
Thu, Dec 18, 202527111271110000
Wed, Dec 17, 2025265826580000
Tue, Dec 16, 20252407482407480000
Mon, Dec 15, 2025297929790000
Sun, Dec 14, 2025306630660000
Sat, Dec 13, 2025163816380000
Fri, Dec 12, 2025133613360000
Thu, Dec 11, 2025184818480000
Wed, Dec 10, 2025112511250000
Tue, Dec 9, 2025144314430000
Mon, Dec 8, 2025166116610000
Sun, Dec 7, 2025144912450015
Sat, Dec 6, 20251345103200413
Fri, Dec 5, 2025155493100623
Thu, Dec 4, 2025102841200616
Wed, Dec 3, 202511303800922
Tue, Dec 2, 2025133714001234
Mon, Dec 1, 2025154200001542
Sun, Nov 30, 2025225400002254
Sat, Nov 29, 2025185300001853
Fri, Nov 28, 2025195400001954
Thu, Nov 27, 2025319700003197
Wed, Nov 26, 2025163800001638
Tue, Nov 25, 2025122900001229
Mon, Nov 24, 2025102200001022
Sun, Nov 23, 20259210000921
Sat, Nov 22, 2025155300001553
Fri, Nov 21, 2025133300001333
Thu, Nov 20, 2025112700001127
Wed, Nov 19, 2025193900001939
Tue, Nov 18, 2025163400001634
Mon, Nov 17, 2025154400001544
Sun, Nov 16, 2025214700002147
Sat, Nov 15, 2025225900002259
Fri, Nov 14, 2025203300002033
Thu, Nov 13, 2025328500003285
Wed, Nov 12, 2025214700002147
Tue, Nov 11, 2025305900003059
Mon, Nov 10, 2025274600002746
Sun, Nov 9, 2025204400002044
Sat, Nov 8, 2025193400001934
Fri, Nov 7, 2025193500001935
Thu, Nov 6, 2025173200001732
Wed, Nov 5, 2025183900001839
Tue, Nov 4, 2025162900001629
Mon, Nov 3, 2025132300001323
Sun, Nov 2, 2025245200002452
Sat, Nov 1, 2025266000002660
Fri, Oct 31, 202546136000046136
Thu, Oct 30, 2025255800002558
Wed, Oct 29, 2025386400003864
Tue, Oct 28, 2025205900002059
Mon, Oct 27, 2025306100003061
Sun, Oct 26, 2025309000003090
Sat, Oct 25, 2025298900002989
Fri, Oct 24, 202542136000042136
Thu, Oct 23, 2025396600003966
Wed, Oct 22, 2025267100002671
Tue, Oct 21, 202528135000028135
Mon, Oct 20, 2025309600003096
Sun, Oct 19, 2025194100001941
Sat, Oct 18, 2025339200003392
Fri, Oct 17, 2025366900003669
Thu, Oct 16, 2025369000003690
Wed, Oct 15, 202537103000037103
Tue, Oct 14, 202550238000050238
Mon, Oct 13, 202535102000035102
Sun, Oct 12, 202549220000049220
Sat, Oct 11, 20251202700000120270
Fri, Oct 10, 2025325400003254
Thu, Oct 9, 202578193000078193
Wed, Oct 8, 2025418500004185
Tue, Oct 7, 202535159000035159
Mon, Oct 6, 202541114000041114
Sun, Oct 5, 2025459500004595
Sat, Oct 4, 202557190000057190
Fri, Oct 3, 202538115000038115
Thu, Oct 2, 202535110000035110
Wed, Oct 1, 2025339000003390
Tue, Sep 30, 202536103000036103
Mon, Sep 29, 2025369100003691
Sun, Sep 28, 202552157000052157
Sat, Sep 27, 202558194000058194
Fri, Sep 26, 202581205000081205
Thu, Sep 25, 202570151000070151
Wed, Sep 24, 202557122000057122
Tue, Sep 23, 202570116000070116
Mon, Sep 22, 20251033610000103361
Sun, Sep 21, 202565314000065314
Sat, Sep 20, 202591356000091356
Fri, Sep 19, 202555163000055163
Thu, Sep 18, 202578183000078183