ID: 2147

AQSQID: 461030020

Site Name: Credit Union

Added: April 21, 2020, 6:24 p.m.

Updated: Nov. 26, 2020, 1:41 p.m.

Location: Rapid City (W Chicago St), SD

Reporting: True, Located: True

Current AQI: 7.0

Rapid City (W Chicago St) SD, US: 44.087397, -103.273777

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Nov. 26, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (7) 1.5 μg/m3 (7) 7.0
 
Nov. 26, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.9 μg/m3 (6) 0.5 μg/m3 (3) 6.0
 
Nov. 26, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.4 μg/m3 (6) 0.3 μg/m3 (2) 6.0
 
Nov. 26, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.6 μg/m3 (8) 3.0 μg/m3 (13) 13.0
 
Nov. 26, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.8 μg/m3 (10) 3.9 μg/m3 (17) 17.0
 
Nov. 26, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.4 μg/m3 (8) 1.0 μg/m3 (5) 8.0
 
Nov. 26, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.2 μg/m3 (4) 3.2 μg/m3 (14) 14.0
 
Nov. 26, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.2 μg/m3 (15) 7.6 μg/m3 (32) 32.0
 
Nov. 26, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.3 μg/m3 (9) 1.7 μg/m3 (8) 9.0
 
Nov. 26, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.8 μg/m3 (34) 4.7 μg/m3 (20) 34.0
 
Nov. 26, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 62.0 μg/m3 (55) 8.9 μg/m3 (38) 55.0
 
Nov. 26, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.8 μg/m3 (38) 9.6 μg/m3 (40) 40.0
 
Nov. 26, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 99.5 μg/m3 (74) 12.7 μg/m3 (53) 74.0
 
Nov. 25, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 53.7 μg/m3 (50) 8.8 μg/m3 (37) 50.0
 
Nov. 25, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 2.7 μg/m3 (12) 27.0
 
Nov. 25, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.1 μg/m3 (25) 2.7 μg/m3 (12) 25.0
 
Nov. 25, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 0.7 μg/m3 (3) 17.0
 
Nov. 25, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.2 μg/m3 (20) 5.1 μg/m3 (22) 22.0
 
Nov. 25, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.3 μg/m3 (34) 9.8 μg/m3 (41) 41.0
 
Nov. 25, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.6 μg/m3 (33) 3.9 μg/m3 (17) 33.0
 
Nov. 25, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.4 μg/m3 (31) -2.3 μg/m3 (0) 31.0
 
Nov. 25, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 79.8 μg/m3 (64) 14.9 μg/m3 (57) 64.0
 
Nov. 25, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.3 μg/m3 (9) 2.0 μg/m3 (9) 9.0
 
Nov. 25, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 1.7 μg/m3 (8) 25.0
 
Nov. 25, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 12.7 μg/m3 (12) 1.7 μg/m3 (8) 12.0
 
Nov. 25, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.3 μg/m3 (11) 0.8 μg/m3 (4) 11.0
 
Nov. 25, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.2 μg/m3 (7) 1.3 μg/m3 (6) 7.0
 
Nov. 25, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.3 μg/m3 (10) 2.4 μg/m3 (10) 10.0
 
Nov. 25, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.1 μg/m3 (11) 2.5 μg/m3 (11) 11.0
 
Nov. 25, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.2 μg/m3 (13) 2.7 μg/m3 (12) 13.0
 
Nov. 25, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.9 μg/m3 (13) 4.9 μg/m3 (21) 21.0
 
Nov. 25, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.2 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
Nov. 25, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.4 μg/m3 (18) 7.6 μg/m3 (32) 32.0
 
Nov. 25, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.2 μg/m3 (20) 7.8 μg/m3 (33) 33.0
 
Nov. 25, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.3 μg/m3 (34) 11.7 μg/m3 (49) 49.0
 
Nov. 25, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.7 μg/m3 (31) 6.1 μg/m3 (26) 31.0
 
Nov. 25, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 55.7 μg/m3 (52) 5.4 μg/m3 (23) 52.0
 
Nov. 24, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.1 μg/m3 (41) 2.9 μg/m3 (13) 41.0
 
Nov. 24, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.6 μg/m3 (21) 3.2 μg/m3 (14) 21.0
 
Nov. 24, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.8 μg/m3 (45) 1.5 μg/m3 (7) 45.0
 
Nov. 24, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.5 μg/m3 (45) 2.7 μg/m3 (12) 45.0
 
Nov. 24, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 69.2 μg/m3 (59) 3.9 μg/m3 (17) 59.0
 
Nov. 24, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 60.6 μg/m3 (54) 4.4 μg/m3 (19) 54.0
 
Nov. 24, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 61.6 μg/m3 (55) 5.1 μg/m3 (22) 55.0
 
Nov. 24, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (38) 7.4 μg/m3 (31) 38.0
 
Nov. 24, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 69.4 μg/m3 (59) 3.9 μg/m3 (17) 59.0
 
Nov. 24, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 6.6 μg/m3 (28) 28.0
 
Nov. 24, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 78.7 μg/m3 (63) 6.6 μg/m3 (28) 63.0
 
Nov. 24, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 3.7 μg/m3 (16) 16.0
 
Nov. 24, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.6 μg/m3 (8) 5.4 μg/m3 (23) 23.0
 
Nov. 24, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.3 μg/m3 (11) 3.2 μg/m3 (14) 14.0
 
Nov. 24, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.6 μg/m3 (8) 1.0 μg/m3 (5) 8.0
 
Nov. 24, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.8 μg/m3 (11) 1.0 μg/m3 (5) 11.0
 
Nov. 24, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.5 μg/m3 (14) 3.2 μg/m3 (14) 14.0
 
Nov. 24, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.4 μg/m3 (19) 5.6 μg/m3 (24) 24.0
 
Nov. 24, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.5 μg/m3 (34) 8.3 μg/m3 (35) 35.0
 
Nov. 24, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (46) 12.4 μg/m3 (52) 52.0
 
Nov. 24, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.5 μg/m3 (40) 8.8 μg/m3 (37) 40.0
 
Nov. 24, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.4 μg/m3 (42) 10.1 μg/m3 (43) 43.0
 
Nov. 24, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 81.7 μg/m3 (65) 13.4 μg/m3 (54) 65.0
 
Nov. 24, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 74.3 μg/m3 (61) 8.1 μg/m3 (34) 61.0
 
Nov. 23, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 128.2 μg/m3 (88) 13.7 μg/m3 (55) 88.0
 
Nov. 23, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.8 μg/m3 (50) 50.0
 
Nov. 23, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.3 μg/m3 (35) 35.0
 
Nov. 23, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 89.5 μg/m3 (69) 6.1 μg/m3 (26) 69.0
 
Nov. 23, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 63.8 μg/m3 (56) 5.4 μg/m3 (23) 56.0
 
Nov. 23, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 58.8 μg/m3 (53) 6.4 μg/m3 (27) 53.0
 
Nov. 23, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.8 μg/m3 (48) 4.9 μg/m3 (21) 48.0
 
Nov. 23, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (46) 5.2 μg/m3 (22) 46.0
 
Nov. 23, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.4 μg/m3 (63) 63.0
 
Nov. 23, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 75.3 μg/m3 (62) 9.6 μg/m3 (40) 62.0
 
Nov. 23, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.3 μg/m3 (24) 5.2 μg/m3 (22) 24.0
 
Nov. 23, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 12.3 μg/m3 (12) 0.7 μg/m3 (3) 12.0
 
Nov. 23, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.7 μg/m3 (32) 3.4 μg/m3 (15) 32.0
 
Nov. 23, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.4 μg/m3 (7) 5.1 μg/m3 (22) 22.0
 
Nov. 23, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.9 μg/m3 (9) 2.9 μg/m3 (13) 13.0
 
Nov. 23, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 3.7 μg/m3 (16) 16.0
 
Nov. 23, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.4 μg/m3 (8) 6.4 μg/m3 (27) 27.0
 
Nov. 23, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.6 μg/m3 (8) 4.9 μg/m3 (21) 21.0
 
Nov. 23, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.6 μg/m3 (11) 5.9 μg/m3 (25) 25.0
 
Nov. 23, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 73.6 μg/m3 (61) 8.1 μg/m3 (34) 61.0
 
Nov. 23, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.7 μg/m3 (17) 7.6 μg/m3 (32) 32.0
 
Nov. 23, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.2 μg/m3 (15) 8.1 μg/m3 (34) 34.0
 
Nov. 23, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.8 μg/m3 (24) 11.8 μg/m3 (50) 50.0
 
Nov. 23, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 9.3 μg/m3 (9) 3.7 μg/m3 (16) 16.0
 
Nov. 22, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.6 μg/m3 (8) 2.4 μg/m3 (10) 10.0
 
Nov. 22, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.2 μg/m3 (5) 0.1 μg/m3 (1) 5.0
 
Nov. 22, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.9 μg/m3 (6) 1.2 μg/m3 (5) 6.0
 
Nov. 22, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.2 μg/m3 (7) 2.0 μg/m3 (9) 9.0
 
Nov. 22, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.7 μg/m3 (4) 2.2 μg/m3 (10) 10.0
 
Nov. 22, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (7) 2.9 μg/m3 (13) 13.0
 
Nov. 22, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.2 μg/m3 (7) -0.3 μg/m3 (0) 7.0
 
Nov. 22, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.2 μg/m3 (4) 0.3 μg/m3 (2) 4.0
 
Nov. 22, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.4 μg/m3 (8) 0.7 μg/m3 (3) 8.0
 
Nov. 22, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.8 μg/m3 (10) -0.1 μg/m3 (0) 10.0
 
Nov. 22, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.8 μg/m3 (9) 2.2 μg/m3 (10) 10.0
 
Nov. 22, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 5.4 μg/m3 (5) 4.9 μg/m3 (21) 21.0
 
Nov. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.9 μg/m3 (8) 2.4 μg/m3 (10) 10.0
 
Nov. 22, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.6 μg/m3 (8) 1.7 μg/m3 (8) 8.0
 
Nov. 22, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.1 μg/m3 (9) 2.4 μg/m3 (10) 10.0
 
Nov. 22, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (7) 2.2 μg/m3 (10) 10.0
 
Nov. 22, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.4 μg/m3 (5) 2.7 μg/m3 (12) 12.0
 
Nov. 22, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.4 μg/m3 (17) 4.2 μg/m3 (18) 18.0
 
Nov. 22, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (7) 3.2 μg/m3 (14) 14.0
 
Nov. 22, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.6 μg/m3 (8) 3.4 μg/m3 (15) 15.0
 
Nov. 22, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.1 μg/m3 (11) 7.1 μg/m3 (30) 30.0
 
Nov. 22, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.2 μg/m3 (13) 3.2 μg/m3 (14) 14.0
 
Nov. 22, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 2.9 μg/m3 (13) 27.0
 
Nov. 22, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 27.6 μg/m3 (26) 2.9 μg/m3 (13) 26.0
 
Nov. 21, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (36) 14.2 μg/m3 (56) 56.0
 
Nov. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.9 μg/m3 (33) 3.2 μg/m3 (14) 33.0
 
Nov. 21, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.5 μg/m3 (45) 3.7 μg/m3 (16) 45.0
 
Nov. 21, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 77.0 μg/m3 (62) 4.7 μg/m3 (20) 62.0
 
Nov. 21, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.2 μg/m3 (20) -1.8 μg/m3 (0) 20.0
 
Nov. 21, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.4 μg/m3 (8) 0.7 μg/m3 (3) 8.0
 
Nov. 21, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.9 μg/m3 (15) 2.4 μg/m3 (10) 15.0
 
Nov. 21, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.2 μg/m3 (21) 5.6 μg/m3 (24) 24.0
 
Nov. 21, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 119.7 μg/m3 (84) 10.8 μg/m3 (46) 84.0
 
Nov. 21, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 81.9 μg/m3 (65) 6.9 μg/m3 (29) 65.0
 
Nov. 21, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 107.9 μg/m3 (78) 6.1 μg/m3 (26) 78.0
 
Nov. 21, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 30.7 μg/m3 (29) 5.6 μg/m3 (24) 29.0
 
Nov. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.9 μg/m3 (6) 2.7 μg/m3 (12) 12.0
 
Nov. 21, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.4 μg/m3 (4) 1.5 μg/m3 (7) 7.0
 
Nov. 21, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.2 μg/m3 (4) 2.2 μg/m3 (10) 10.0
 
Nov. 21, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (7) 1.0 μg/m3 (5) 7.0
 
Nov. 21, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (7) 5.4 μg/m3 (23) 23.0
 
Nov. 21, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.6 μg/m3 (8) 9.6 μg/m3 (40) 40.0
 
Nov. 21, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.8 μg/m3 (10) 4.6 μg/m3 (20) 20.0
 
Nov. 21, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.9 μg/m3 (20) 10.8 μg/m3 (46) 46.0
 
Nov. 21, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 16.9 μg/m3 (62) 62.0
 
Nov. 21, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.9 μg/m3 (20) 6.4 μg/m3 (27) 27.0
 
Nov. 21, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.2 μg/m3 (16) 6.1 μg/m3 (26) 26.0
 
Nov. 21, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 24.1 μg/m3 (23) 5.2 μg/m3 (22) 23.0
 
Nov. 20, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.8 μg/m3 (24) 2.7 μg/m3 (12) 24.0
 
Nov. 20, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.9 μg/m3 (9) 2.0 μg/m3 (9) 9.0
 
Nov. 20, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.8 μg/m3 (10) 1.0 μg/m3 (5) 10.0
 
Nov. 20, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.5 μg/m3 (14) 1.2 μg/m3 (5) 14.0
 
Nov. 20, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.7 μg/m3 (13) 2.0 μg/m3 (9) 13.0
 
Nov. 20, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.5 μg/m3 (46) 3.7 μg/m3 (16) 46.0
 
Nov. 20, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.8 μg/m3 (35) 4.7 μg/m3 (20) 35.0
 
Nov. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.9 μg/m3 (20) 5.6 μg/m3 (24) 24.0
 
Nov. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.4 μg/m3 (33) 5.4 μg/m3 (23) 33.0
 
Nov. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.3 μg/m3 (24) 6.6 μg/m3 (28) 28.0
 
Nov. 20, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (7) 7.8 μg/m3 (33) 33.0
 
Nov. 20, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 8.6 μg/m3 (8) 4.7 μg/m3 (20) 20.0
 
Nov. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.1 μg/m3 (10) 2.0 μg/m3 (9) 10.0
 
Nov. 20, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.2 μg/m3 (15) 0.7 μg/m3 (3) 15.0
 
Nov. 20, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.5 μg/m3 (4) 1.0 μg/m3 (5) 5.0
 
Nov. 20, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.4 μg/m3 (5) 1.5 μg/m3 (7) 7.0
 
Nov. 20, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.5 μg/m3 (4) 0.1 μg/m3 (1) 4.0
 
Nov. 20, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.7 μg/m3 (5) 0.5 μg/m3 (3) 5.0
 
Nov. 20, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.1 μg/m3 (8) 2.4 μg/m3 (10) 10.0
 
Nov. 20, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.8 μg/m3 (11) 3.7 μg/m3 (16) 16.0
 
Nov. 20, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.9 μg/m3 (20) 3.2 μg/m3 (14) 20.0
 
Nov. 20, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 1.7 μg/m3 (8) 13.0
 
Nov. 20, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.4 μg/m3 (17) 2.0 μg/m3 (9) 17.0
 
Nov. 20, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 1.7 μg/m3 (8) 13.0
 
Nov. 19, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.9 μg/m3 (19) 3.4 μg/m3 (15) 19.0
 
Nov. 19, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.9 μg/m3 (25) 25.0
 
Nov. 19, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 175.5 μg/m3 (112) 7.8 μg/m3 (33) 112.0
 
Nov. 19, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 330.4 μg/m3 (189) 17.2 μg/m3 (62) 189.0
 
Nov. 19, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 169.7 μg/m3 (109) 5.6 μg/m3 (24) 109.0
 
Nov. 19, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 91.2 μg/m3 (69) 4.2 μg/m3 (18) 69.0
 
Nov. 19, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 53.8 μg/m3 (50) 8.8 μg/m3 (37) 50.0
 
Nov. 19, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 53.5 μg/m3 (50) 7.6 μg/m3 (32) 50.0
 
Nov. 19, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.4 μg/m3 (43) 8.1 μg/m3 (34) 43.0
 
Nov. 19, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.2 μg/m3 (21) 6.1 μg/m3 (26) 26.0
 
Nov. 19, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 19.4 μg/m3 (18) 4.7 μg/m3 (20) 20.0