ID: 2147

AQSQID: 461030020

Site Name: Credit Union

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

Updated: March 8, 2021, 8:32 a.m.

Location: Rapid City (W Chicago St), SD

Reporting: True, Located: True

Current AQI: 24.0

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
March 8, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.4 μg/m3 (17) 5.6 μg/m3 (24) 24.0
 
March 8, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.1 μg/m3 (19) 7.8 μg/m3 (33) 33.0
 
March 8, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.9 μg/m3 (22) 9.8 μg/m3 (41) 41.0
 
March 8, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.1 μg/m3 (19) 10.5 μg/m3 (44) 44.0
 
March 8, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.1 μg/m3 (25) 6.8 μg/m3 (29) 29.0
 
March 8, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.3 μg/m3 (26) 5.4 μg/m3 (23) 26.0
 
March 8, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.8 μg/m3 (25) 10.3 μg/m3 (43) 43.0
 
March 8, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 84.8 μg/m3 (66) 9.5 μg/m3 (40) 66.0
 
March 7, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.9 μg/m3 (20) 6.3 μg/m3 (27) 27.0
 
March 7, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.2 μg/m3 (18) 4.1 μg/m3 (18) 18.0
 
March 7, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) -0.4 μg/m3 (0) 17.0
 
March 7, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.7 μg/m3 (15) -1.1 μg/m3 (0) 15.0
 
March 7, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.1 μg/m3 (24) 2.2 μg/m3 (10) 24.0
 
March 7, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.2 μg/m3 (28) 5.4 μg/m3 (23) 28.0
 
March 7, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 96.8 μg/m3 (72) 4.9 μg/m3 (21) 72.0
 
March 7, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.3 μg/m3 (47) 5.8 μg/m3 (25) 47.0
 
March 7, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.8 μg/m3 (34) 10.0 μg/m3 (42) 42.0
 
March 7, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.2 μg/m3 (12) 3.6 μg/m3 (16) 16.0
 
March 7, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.3 μg/m3 (10) 1.7 μg/m3 (8) 10.0
 
March 7, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 11.6 μg/m3 (11) 5.4 μg/m3 (23) 23.0
 
March 7, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.7 μg/m3 (16) 8.3 μg/m3 (35) 35.0
 
March 7, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 3.6 μg/m3 (16) 27.0
 
March 7, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.5 μg/m3 (18) 2.4 μg/m3 (10) 18.0
 
March 7, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.5 μg/m3 (13) 5.9 μg/m3 (25) 25.0
 
March 7, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.2 μg/m3 (14) 8.1 μg/m3 (34) 34.0
 
March 7, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.5 μg/m3 (11) 1.2 μg/m3 (5) 11.0
 
March 7, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.9 μg/m3 (8) 0.5 μg/m3 (3) 8.0
 
March 7, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.9 μg/m3 (9) 1.9 μg/m3 (8) 9.0
 
March 7, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.3 μg/m3 (11) 2.2 μg/m3 (10) 11.0
 
March 7, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.1 μg/m3 (11) 5.1 μg/m3 (22) 22.0
 
March 7, 2021, 1 a.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
 
March 6, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.2 μg/m3 (15) N/A 15.0
 
March 6, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.1 μg/m3 (11) N/A 11.0
 
March 6, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.5 μg/m3 (18) N/A 18.0
 
March 6, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.6 μg/m3 (22) N/A 22.0
 
March 6, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.8 μg/m3 (26) N/A 26.0
 
March 6, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.8 μg/m3 (23) N/A 23.0
 
March 6, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.6 μg/m3 (23) N/A 23.0
 
March 6, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.5 μg/m3 (35) N/A 35.0
 
March 6, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.9 μg/m3 (21) N/A 21.0
 
March 6, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.7 μg/m3 (15) N/A 15.0
 
March 6, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.4 μg/m3 (13) N/A 13.0
 
March 6, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 16.1 μg/m3 (15) N/A 15.0
 
March 6, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.7 μg/m3 (13) N/A 13.0
 
March 6, 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) N/A 13.0
 
March 6, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.2 μg/m3 (35) N/A 35.0
 
March 6, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (38) N/A 38.0
 
March 6, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.4 μg/m3 (18) N/A 18.0
 
March 6, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.9 μg/m3 (22) 9.1 μg/m3 (38) 38.0
 
March 6, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.2 μg/m3 (29) 11.5 μg/m3 (48) 48.0
 
March 6, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.3 μg/m3 (34) 9.1 μg/m3 (38) 38.0
 
March 6, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.1 μg/m3 (32) 10.3 μg/m3 (43) 43.0
 
March 6, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.5 μg/m3 (37) 11.2 μg/m3 (47) 47.0
 
March 6, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.5 μg/m3 (37) 7.3 μg/m3 (31) 37.0
 
March 6, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 76.2 μg/m3 (62) 9.8 μg/m3 (41) 62.0
 
March 5, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) 6.1 μg/m3 (26) 29.0
 
March 5, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.7 μg/m3 (19) 1.9 μg/m3 (8) 19.0
 
March 5, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.8 μg/m3 (23) 5.1 μg/m3 (22) 23.0
 
March 5, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.4 μg/m3 (21) 7.3 μg/m3 (31) 31.0
 
March 5, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.1 μg/m3 (24) 5.4 μg/m3 (23) 24.0
 
March 5, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.8 μg/m3 (25) 5.6 μg/m3 (24) 25.0
 
March 5, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.4 μg/m3 (31) 4.4 μg/m3 (19) 31.0
 
March 5, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.1 μg/m3 (27) 4.6 μg/m3 (20) 27.0
 
March 5, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.7 μg/m3 (29) 10.0 μg/m3 (42) 42.0
 
March 5, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.6 μg/m3 (42) 12.2 μg/m3 (52) 52.0
 
March 5, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.7 μg/m3 (47) 12.2 μg/m3 (52) 52.0
 
March 5, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 20.9 μg/m3 (20) 8.3 μg/m3 (35) 35.0
 
March 5, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.8 μg/m3 (8) 1.7 μg/m3 (8) 8.0
 
March 5, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.3 μg/m3 (11) 5.1 μg/m3 (22) 22.0
 
March 5, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.4 μg/m3 (22) 8.6 μg/m3 (36) 36.0
 
March 5, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.2 μg/m3 (49) 38.7 μg/m3 (109) 109.0
 
March 5, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 65.2 μg/m3 (57) 44.2 μg/m3 (123) 123.0
 
March 5, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 84.1 μg/m3 (66) 69.2 μg/m3 (159) 159.0
 
March 5, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 96.8 μg/m3 (72) N/A 72.0
 
March 5, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.5 μg/m3 (39) 17.7 μg/m3 (63) 63.0
 
March 5, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.3 μg/m3 (24) 7.3 μg/m3 (31) 31.0
 
March 5, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.6 μg/m3 (33) 9.3 μg/m3 (39) 39.0
 
March 5, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.3 μg/m3 (24) 1.5 μg/m3 (7) 24.0
 
March 5, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 26.3 μg/m3 (25) 0.5 μg/m3 (3) 25.0
 
March 4, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.7 μg/m3 (16) 1.7 μg/m3 (8) 16.0
 
March 4, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.7 μg/m3 (21) 2.7 μg/m3 (12) 21.0
 
March 4, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.7 μg/m3 (19) 3.6 μg/m3 (16) 19.0
 
March 4, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.2 μg/m3 (13) 4.6 μg/m3 (20) 20.0
 
March 4, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.8 μg/m3 (16) 1.7 μg/m3 (8) 16.0
 
March 4, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 9.0 μg/m3 (38) 38.0
 
March 4, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.3 μg/m3 (29) 10.0 μg/m3 (42) 42.0
 
March 4, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.5 μg/m3 (49) 8.3 μg/m3 (35) 49.0
 
March 4, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 66.7 μg/m3 (57) 8.6 μg/m3 (36) 57.0
 
March 4, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 68.9 μg/m3 (58) 14.9 μg/m3 (57) 58.0
 
March 4, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.2 μg/m3 (17) 14.6 μg/m3 (57) 57.0
 
March 4, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 12.1 μg/m3 (12) 6.8 μg/m3 (29) 29.0
 
March 4, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.3 μg/m3 (11) 14.1 μg/m3 (56) 56.0
 
March 4, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.1 μg/m3 (75) 75.0
 
March 4, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.3 μg/m3 (23) 10.8 μg/m3 (46) 46.0
 
March 4, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 15.4 μg/m3 (58) 58.0
 
March 4, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.9 μg/m3 (28) 17.6 μg/m3 (63) 63.0
 
March 4, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.9 μg/m3 (30) 23.1 μg/m3 (75) 75.0
 
March 4, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 56.4 μg/m3 (52) 19.6 μg/m3 (67) 67.0
 
March 4, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 55.1 μg/m3 (52) 15.9 μg/m3 (59) 59.0
 
March 4, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.2 μg/m3 (30) 11.9 μg/m3 (50) 50.0
 
March 4, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.9 μg/m3 (31) 11.9 μg/m3 (50) 50.0
 
March 4, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.9 μg/m3 (38) 5.8 μg/m3 (25) 38.0
 
March 4, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 21.4 μg/m3 (20) 0.5 μg/m3 (3) 20.0
 
March 3, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.2 μg/m3 (15) 1.7 μg/m3 (8) 15.0
 
March 3, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.5 μg/m3 (16) 2.9 μg/m3 (13) 16.0
 
March 3, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.7 μg/m3 (15) 4.9 μg/m3 (21) 21.0
 
March 3, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.2 μg/m3 (6) 6.6 μg/m3 (28) 28.0
 
March 3, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.5 μg/m3 (17) 2.4 μg/m3 (10) 17.0
 
March 3, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.2 μg/m3 (14) 2.9 μg/m3 (13) 14.0
 
March 3, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 4.1 μg/m3 (18) 18.0
 
March 3, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.2 μg/m3 (20) 2.7 μg/m3 (12) 20.0
 
March 3, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.3 μg/m3 (27) 0.0 μg/m3 (0) 27.0
 
March 3, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.7 μg/m3 (30) 2.4 μg/m3 (10) 30.0
 
March 3, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.7 μg/m3 (15) 1.5 μg/m3 (7) 15.0
 
March 3, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 5.7 μg/m3 (6) N/A 6.0
 
March 3, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.2 μg/m3 (56) 56.0
 
March 3, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.1 μg/m3 (8) 1.0 μg/m3 (5) 8.0
 
March 3, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.6 μg/m3 (9) 2.7 μg/m3 (12) 12.0
 
March 3, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.4 μg/m3 (15) 4.9 μg/m3 (21) 21.0
 
March 3, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.9 μg/m3 (8) 2.2 μg/m3 (10) 10.0
 
March 3, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.6 μg/m3 (7) 0.5 μg/m3 (3) 7.0
 
March 3, 2021, 5 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
 
March 3, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.9 μg/m3 (19) 4.4 μg/m3 (19) 19.0
 
March 3, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.4 μg/m3 (18) 5.9 μg/m3 (25) 25.0
 
March 3, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.5 μg/m3 (38) 11.5 μg/m3 (48) 48.0
 
March 3, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 61.0 μg/m3 (54) 10.0 μg/m3 (42) 54.0
 
March 3, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 32.9 μg/m3 (31) 1.5 μg/m3 (7) 31.0
 
March 2, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.9 μg/m3 (42) 4.4 μg/m3 (19) 42.0
 
March 2, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 110.2 μg/m3 (79) 7.1 μg/m3 (30) 79.0
 
March 2, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 114.9 μg/m3 (81) 3.9 μg/m3 (17) 81.0
 
March 2, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 59.4 μg/m3 (54) 3.4 μg/m3 (15) 54.0
 
March 2, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.3 μg/m3 (24) 4.6 μg/m3 (20) 24.0
 
March 2, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.8 μg/m3 (37) 5.1 μg/m3 (22) 37.0
 
March 2, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.4 μg/m3 (19) 19.0
 
March 2, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 166.2 μg/m3 (107) 16.9 μg/m3 (62) 107.0
 
March 2, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 140.8 μg/m3 (94) 8.8 μg/m3 (37) 94.0
 
March 2, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 57.4 μg/m3 (53) 3.4 μg/m3 (15) 53.0
 
March 2, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.9 μg/m3 (18) 1.9 μg/m3 (8) 18.0
 
March 2, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 15.6 μg/m3 (15) 2.9 μg/m3 (13) 15.0
 
March 2, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 81.0 μg/m3 (64) 6.1 μg/m3 (26) 64.0
 
March 2, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (37) 3.4 μg/m3 (15) 37.0
 
March 2, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.7 μg/m3 (5) 1.7 μg/m3 (8) 8.0
 
March 2, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.4 μg/m3 (7) 2.2 μg/m3 (10) 10.0
 
March 2, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.1 μg/m3 (8) 1.0 μg/m3 (5) 8.0
 
March 2, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.4 μg/m3 (6) 1.2 μg/m3 (5) 6.0
 
March 2, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 1.9 μg/m3 (8) 11.0
 
March 2, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.2 μg/m3 (15) 1.7 μg/m3 (8) 15.0
 
March 2, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 4.1 μg/m3 (18) 26.0
 
March 2, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.4 μg/m3 (30) 7.3 μg/m3 (31) 31.0
 
March 2, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.7 μg/m3 (36) 5.4 μg/m3 (23) 36.0
 
March 2, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 23.8 μg/m3 (23) 1.2 μg/m3 (5) 23.0
 
March 1, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.9 μg/m3 (9) 1.0 μg/m3 (5) 9.0
 
March 1, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.8 μg/m3 (10) 1.7 μg/m3 (8) 10.0
 
March 1, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.9 μg/m3 (9) 1.2 μg/m3 (5) 9.0
 
March 1, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.2 μg/m3 (6) -0.2 μg/m3 (0) 6.0
 
March 1, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.4 μg/m3 (8) -0.6 μg/m3 (0) 8.0
 
March 1, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.9 μg/m3 (6) 2.4 μg/m3 (10) 10.0
 
March 1, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.5 μg/m3 (18) 5.1 μg/m3 (22) 22.0
 
March 1, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.7 μg/m3 (12) 5.4 μg/m3 (23) 23.0
 
March 1, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.5 μg/m3 (29) 2.9 μg/m3 (13) 29.0
 
March 1, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.4 μg/m3 (14) 0.7 μg/m3 (3) 14.0
 
March 1, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.7 μg/m3 (16) 0.5 μg/m3 (3) 16.0
 
March 1, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 16.7 μg/m3 (16) 3.7 μg/m3 (16) 16.0
 
March 1, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.1 μg/m3 (8) 3.4 μg/m3 (15) 15.0
 
March 1, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.2 μg/m3 (4) 1.0 μg/m3 (5) 5.0
 
March 1, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.9 μg/m3 (6) 1.7 μg/m3 (8) 8.0
 
March 1, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.4 μg/m3 (6) 3.9 μg/m3 (17) 17.0
 
March 1, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.3 μg/m3 (8) 2.9 μg/m3 (13) 13.0