ID: 2147

AQSQID: 461030020

Site Name: Credit Union

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

Updated: Jan. 19, 2022, 1:33 p.m.

Location: Rapid City (W Chicago St), SD

Reporting: True, Located: True

Current AQI: 60.0

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
Jan. 5, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 5.8 μg/m3 (25) 25.0
 
Jan. 5, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 6.1 μg/m3 (26) 26.0
 
Jan. 5, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 4.6 μg/m3 (20) 20.0
 
Jan. 5, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 4.1 μg/m3 (18) 18.0
 
Jan. 5, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 2.1 μg/m3 (9) 13.0
 
Jan. 5, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 5.6 μg/m3 (24) 24.0
 
Jan. 5, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 9.5 μg/m3 (40) 40.0
 
Jan. 5, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 9.3 μg/m3 (39) 39.0
 
Jan. 5, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
Jan. 5, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 7.8 μg/m3 (33) 33.0
 
Jan. 5, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 3.8 μg/m3 (16) 25.0
 
Jan. 5, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) 0.7 μg/m3 (3) 33.0
 
Jan. 4, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 91.0 μg/m3 (69) 14.1 μg/m3 (56) 69.0
 
Jan. 4, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 109.0 μg/m3 (78) 8.5 μg/m3 (36) 78.0
 
Jan. 4, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 89.0 μg/m3 (68) 8.0 μg/m3 (34) 68.0
 
Jan. 4, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 4, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 4, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 383.0 μg/m3 (242) 12.9 μg/m3 (53) 242.0
 
Jan. 4, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 260.0 μg/m3 (154) 7.3 μg/m3 (31) 154.0
 
Jan. 4, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 138.0 μg/m3 (93) 3.9 μg/m3 (17) 93.0
 
Jan. 4, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) 1.4 μg/m3 (6) 33.0
 
Jan. 4, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (35) 2.4 μg/m3 (10) 35.0
 
Jan. 4, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 2.9 μg/m3 (13) 23.0
 
Jan. 4, 2022, noon N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 2.1 μg/m3 (9) 24.0
 
Jan. 4, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 1.7 μg/m3 (8) 21.0
 
Jan. 4, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 0.4 μg/m3 (2) 13.0
 
Jan. 4, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 2.1 μg/m3 (9) 19.0
 
Jan. 4, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 1.9 μg/m3 (8) 25.0
 
Jan. 4, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 3.4 μg/m3 (15) 15.0
 
Jan. 4, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 8.0 μg/m3 (34) 34.0
 
Jan. 4, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (42) 12.4 μg/m3 (52) 52.0
 
Jan. 4, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (34) 10.0 μg/m3 (42) 42.0
 
Jan. 4, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (44) 10.2 μg/m3 (43) 44.0
 
Jan. 4, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (40) 8.8 μg/m3 (37) 40.0
 
Jan. 4, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (40) 5.3 μg/m3 (23) 40.0
 
Jan. 4, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A 55.0 μg/m3 (51) 6.8 μg/m3 (29) 51.0
 
Jan. 3, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 79.0 μg/m3 (63) 11.0 μg/m3 (46) 63.0
 
Jan. 3, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (47) 8.3 μg/m3 (35) 47.0
 
Jan. 3, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (45) 6.5 μg/m3 (28) 45.0
 
Jan. 3, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (45) 9.8 μg/m3 (41) 45.0
 
Jan. 3, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (50) 4.5 μg/m3 (19) 50.0
 
Jan. 3, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 67.0 μg/m3 (57) 4.1 μg/m3 (18) 57.0
 
Jan. 3, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 64.0 μg/m3 (56) 6.8 μg/m3 (29) 56.0
 
Jan. 3, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 100.0 μg/m3 (74) 11.4 μg/m3 (48) 74.0
 
Jan. 3, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 240.0 μg/m3 (144) 16.6 μg/m3 (61) 144.0
 
Jan. 3, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 1.2 μg/m3 (5) 13.0
 
Jan. 3, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 2.1 μg/m3 (9) 25.0
 
Jan. 3, 2022, noon N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 2.1 μg/m3 (9) 16.0
 
Jan. 3, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 3.4 μg/m3 (15) 15.0
 
Jan. 3, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 2.6 μg/m3 (11) 22.0
 
Jan. 3, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 0.9 μg/m3 (4) 7.0
 
Jan. 3, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) -0.6 μg/m3 (0) 15.0
 
Jan. 3, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) -3.3 μg/m3 (0) 5.0
 
Jan. 3, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) -1.6 μg/m3 (0) 9.0
 
Jan. 3, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 1.2 μg/m3 (5) 9.0
 
Jan. 3, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 4.6 μg/m3 (20) 20.0
 
Jan. 3, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 9.3 μg/m3 (39) 39.0
 
Jan. 3, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 6.6 μg/m3 (28) 28.0
 
Jan. 3, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 4.3 μg/m3 (18) 18.0
 
Jan. 3, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 6.5 μg/m3 (28) 28.0
 
Jan. 2, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 6.3 μg/m3 (27) 27.0
 
Jan. 2, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.3 μg/m3 (27) 27.0
 
Jan. 2, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 10.0 μg/m3 (42) 42.0
 
Jan. 2, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 7.3 μg/m3 (31) 31.0
 
Jan. 2, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 4.8 μg/m3 (20) 24.0
 
Jan. 2, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 3.1 μg/m3 (13) 15.0
 
Jan. 2, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 3.4 μg/m3 (15) 16.0
 
Jan. 2, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 2.9 μg/m3 (13) 13.0
 
Jan. 2, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 2.1 μg/m3 (9) 9.0
 
Jan. 2, 2022, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 1.2 μg/m3 (5) 7.0
 
Jan. 2, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 1.4 μg/m3 (6) 6.0
 
Jan. 2, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.1 μg/m3 (9) 9.0
 
Jan. 2, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.9 μg/m3 (13) 13.0
 
Jan. 2, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 0.2 μg/m3 (1) 4.0
 
Jan. 2, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 1.2 μg/m3 (5) 6.0
 
Jan. 2, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 2.4 μg/m3 (10) 10.0
 
Jan. 2, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 5.6 μg/m3 (24) 24.0
 
Jan. 2, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 10.3 μg/m3 (43) 43.0
 
Jan. 2, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 19.1 μg/m3 (66) 66.0
 
Jan. 2, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 11.0 μg/m3 (46) 46.0
 
Jan. 2, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 13.6 μg/m3 (55) 55.0
 
Jan. 2, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 9.5 μg/m3 (40) 40.0
 
Jan. 1, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 6.6 μg/m3 (28) 28.0
 
Jan. 1, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 8.3 μg/m3 (35) 35.0
 
Jan. 1, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 5.8 μg/m3 (25) 25.0
 
Jan. 1, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 1.7 μg/m3 (8) 8.0
 
Jan. 1, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 2.6 μg/m3 (11) 11.0
 
Jan. 1, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 0.9 μg/m3 (4) 9.0
 
Jan. 1, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 3.1 μg/m3 (13) 13.0
 
Jan. 1, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 6.6 μg/m3 (28) 28.0
 
Jan. 1, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 6.8 μg/m3 (29) 29.0
 
Jan. 1, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 2.2 μg/m3 (10) 10.0
 
Jan. 1, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 3.9 μg/m3 (17) 17.0
 
Jan. 1, 2022, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 4.6 μg/m3 (20) 20.0
 
Jan. 1, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 3.6 μg/m3 (16) 16.0
 
Jan. 1, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 0.7 μg/m3 (3) 7.0
 
Jan. 1, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 0.0 μg/m3 (0) 7.0
 
Jan. 1, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 0.4 μg/m3 (2) 9.0
 
Jan. 1, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 1.2 μg/m3 (5) 7.0
 
Jan. 1, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 0.2 μg/m3 (1) 11.0
 
Jan. 1, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 2.4 μg/m3 (10) 10.0
 
Jan. 1, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 4.6 μg/m3 (20) 20.0
 
Jan. 1, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 5.1 μg/m3 (22) 22.0
 
Jan. 1, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 4.8 μg/m3 (20) 20.0
 
Jan. 1, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 6.6 μg/m3 (28) 28.0
 
Jan. 1, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 8.0 μg/m3 (34) 34.0
 
Dec. 31, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 6.1 μg/m3 (26) 26.0
 
Dec. 31, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 7.5 μg/m3 (32) 32.0
 
Dec. 31, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 3.6 μg/m3 (16) 16.0
 
Dec. 31, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 6.8 μg/m3 (29) 29.0
 
Dec. 31, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 6.5 μg/m3 (28) 28.0
 
Dec. 31, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 9.3 μg/m3 (39) 39.0
 
Dec. 31, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 5.3 μg/m3 (23) 23.0
 
Dec. 31, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
Dec. 31, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (37) 28.5 μg/m3 (86) 86.0
 
Dec. 31, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 3.4 μg/m3 (15) 15.0
 
Dec. 31, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 4.6 μg/m3 (20) 20.0
 
Dec. 31, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 4.1 μg/m3 (18) 18.0
 
Dec. 31, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 0.9 μg/m3 (4) 11.0
 
Dec. 31, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 1.9 μg/m3 (8) 12.0
 
Dec. 31, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 2.4 μg/m3 (10) 17.0
 
Dec. 31, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 3.6 μg/m3 (16) 20.0
 
Dec. 31, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 1.4 μg/m3 (6) 12.0
 
Dec. 31, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 3.1 μg/m3 (13) 13.0
 
Dec. 31, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 7.3 μg/m3 (31) 31.0
 
Dec. 31, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 7.3 μg/m3 (31) 31.0
 
Dec. 31, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 4.6 μg/m3 (20) 22.0
 
Dec. 31, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 4.3 μg/m3 (18) 27.0
 
Dec. 31, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (35) 6.3 μg/m3 (27) 35.0
 
Dec. 31, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (52) 6.6 μg/m3 (28) 52.0
 
Dec. 30, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 4.8 μg/m3 (20) 28.0
 
Dec. 30, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (34) 4.3 μg/m3 (18) 34.0
 
Dec. 30, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (43) 7.8 μg/m3 (33) 43.0
 
Dec. 30, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (46) 5.6 μg/m3 (24) 46.0
 
Dec. 30, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 62.0 μg/m3 (55) 8.8 μg/m3 (37) 55.0
 
Dec. 30, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 81.0 μg/m3 (64) 13.1 μg/m3 (54) 64.0
 
Dec. 30, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 164.0 μg/m3 (106) 18.4 μg/m3 (65) 106.0
 
Dec. 30, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 106.0 μg/m3 (77) 13.6 μg/m3 (55) 77.0
 
Dec. 30, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 275.0 μg/m3 (161) 29.0 μg/m3 (87) 161.0
 
Dec. 30, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 59.0 μg/m3 (53) 18.1 μg/m3 (64) 64.0
 
Dec. 30, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 6.5 μg/m3 (28) 28.0
 
Dec. 30, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 3.4 μg/m3 (15) 16.0
 
Dec. 30, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 3.6 μg/m3 (16) 16.0
 
Dec. 30, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 5.1 μg/m3 (22) 22.0
 
Dec. 30, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 4.3 μg/m3 (18) 18.0
 
Dec. 30, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 5.8 μg/m3 (25) 25.0
 
Dec. 30, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 3.6 μg/m3 (16) 16.0
 
Dec. 30, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 4.8 μg/m3 (20) 20.0
 
Dec. 30, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 5.8 μg/m3 (25) 25.0
 
Dec. 30, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 1.7 μg/m3 (8) 8.0
 
Dec. 30, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 3.9 μg/m3 (17) 17.0
 
Dec. 30, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 5.6 μg/m3 (24) 24.0
 
Dec. 30, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 4.9 μg/m3 (21) 21.0
 
Dec. 30, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (40) 2.6 μg/m3 (11) 40.0
 
Dec. 29, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (47) 2.6 μg/m3 (11) 47.0
 
Dec. 29, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 3.4 μg/m3 (15) 27.0
 
Dec. 29, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 4.9 μg/m3 (21) 28.0
 
Dec. 29, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 5.1 μg/m3 (22) 28.0
 
Dec. 29, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (42) 8.5 μg/m3 (36) 42.0
 
Dec. 29, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 4.8 μg/m3 (20) 25.0
 
Dec. 29, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 4.8 μg/m3 (20) 20.0
 
Dec. 29, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 2.9 μg/m3 (13) 19.0
 
Dec. 29, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 4.1 μg/m3 (18) 19.0
 
Dec. 29, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 65.0 μg/m3 (56) 4.4 μg/m3 (19) 56.0
 
Dec. 29, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) -0.1 μg/m3 (0) 23.0
 
Dec. 29, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) -0.4 μg/m3 (0) 7.0
 
Dec. 29, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) -1.4 μg/m3 (0) 5.0
 
Dec. 29, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 0.4 μg/m3 (2) 7.0