The following are ambient air particle counts measured in NW Calgary by AirVironment Canada using the Met One Instruments 804 Particle Counter. The table will continue to be updated on a regular basis.
Ambient Particle Concentrations for Various Particle Sizes (particles per cubic foot)
Date / Time |
0.3 µm |
0.5 µm |
2.5 µm |
5.0 µm |
Aug 11, 2018 / 05:28 |
11,675,720 |
3,393,610 |
8,090 |
1,430 |
Aug 13, 2018 / 07:32 |
594,200 |
38,480 |
1,180 |
240 |
Aug 15, 2018 / 06:11 |
11,902,800 |
4,958,750 |
3,410 |
560 |
Aug 16, 2018 / 07:34 |
11,822,740 |
4,287,630 |
14,150 |
2,910 |
Aug 16, 2018 / 13:56 |
10,909,130 |
3,201,780 |
16,390 |
3,340 |
Aug 16, 2018 / 16:09 |
9,178,910 |
2,043,210 |
20,240 |
3,560 |
Aug 17, 2018 / 07:15 |
8,567,910 |
1,088,010 |
2,490 |
710 |
Aug 17, 2018 / 12:20 |
8,931,940 |
1,920,450 |
9,000 |
1,690 |
Aug 17, 2018 / 14:34 |
8,170,320 |
1,550,220 |
6,660 |
1,270 |
Aug 17, 2018 / 21:23 |
7,922,450 |
1,547,230 |
15,000 |
3,160 |
Aug 18, 2018 / 05:58 |
11,405,560 |
4,526,350 |
6,900 |
770 |
Aug 18, 2018 / 10:23 |
11,551,520 |
4,765,840 |
6,460 |
660 |
Aug 18, 2018 / 12:00 |
11,056,610 |
3,748,350 |
8,270 |
1,170 |
Aug 18, 2018 / 15:23 |
9,661,470 |
2,383,730 |
7,550 |
1,370 |
Aug 18, 2018 / 17:29 |
7,329,040 |
1,070,070 |
5,650 |
850 |
Aug 18, 2018 / 20:05 |
7,951,420 |
1,276,580 |
6,920 |
1,170 |
Aug 19, 2018 / 08:49 |
8,076,470 |
1,305,330 |
7,080 |
840 |
Aug 19, 2018 / 10:45 |
8,426,640 |
1,476,230 |
8,620 |
1,310 |
Aug 19, 2018 / 13:36 |
8,151,180 |
1,422,120 |
7,620 |
1,150 |
Aug 19, 2018 / 15:49 |
8,079,010 |
1,388,040 |
8,610 |
1,670 |
Aug 19, 2018 / 18:48 |
7,866,980 |
1,365,380 |
10,050 |
2,050 |
Aug 19, 2018 / 20:34 |
7,718,330 |
1,298,740 |
9,200 |
1,960 |
Aug 20, 2018 / 07:33 |
7,491,140 |
1,155,140 |
3,850 |
210 |
Aug 20, 2018 / 08:40 |
7,126,380 |
1,047,090 |
5,930 |
960 |
Aug 20, 2018 / 11:53 |
6,273,550 |
775,810 |
4,870 |
730 |
Aug 20, 2018 / 13:51 |
5,976,180 |
692,050 |
3,740 |
550 |
Aug 20, 2018 / 15:05 |
5,994,030 |
683,700 |
3,990 |
670 |
Aug 20, 2018 / 15:58 |
5,843,260 |
643,500 |
4,030 |
680 |
Aug 20, 2018 / 17:03 |
6,128,080 |
708,860 |
4,820 |
890 |
Aug 20, 2018 / 19:54 |
5,843,260 |
643,500 |
4,030 |
680 |
Aug 21, 2018 / 08:17 |
5,839,880 |
680,770 |
7,570 |
1,300 |
Aug 21, 2018 / 13:32 |
4,016,390 |
381,690 |
2,370 |
340 |
Aug 22, 2018 / 08:15 |
7,921,970 |
1,038,120 |
12,500 |
3,260 |
Aug 22, 2018 / 11:47 |
7,122,970 |
802,530 |
3,540 |
890 |
Aug 22, 2018 / 18:51 |
5,653,640 |
523,820 |
8,280 |
1,860 |
Aug 23, 2018 / 07:44 |
10,565,490 |
3,559,100 |
14,050 |
2,120 |
Aug 23, 2018 / 09:22 |
10,158,540 |
3,124,190 |
16,530 |
2,840 |
Aug 23, 2018 / 14:53 |
9,703,540 |
2,552,250 |
12,320 |
2,160 |
Aug 23, 2018 / 17:19 |
10,027,360 |
2,603,010 |
14,040 |
2,930 |
Aug 24, 2018 / 07:54 |
9,889,080 |
3,610,500 |
5,600 |
510 |
Aug 24, 2018 / 16:11 |
6,812,280 |
695,970 |
940 |
160 |
Aug 25, 2018 / 07:49 |
6,436,960 |
950,530 |
2,800 |
340 |
Aug 25, 2018 / 13:56 |
8,614,690 |
1,847,220 |
3,040 |
410 |
Aug 26,2018 / 09:06 |
9,054,210 |
1,931,080 |
3,250 |
240 |
Aug 28, 2018 / 09:36 |
1,325,970 |
114,030 |
5,620 |
900 |
Sep 1, 2018 / 09:04 |
5,819,650 |
450,120 |
1,130 |
120 |
