ID: 1749

AQSQID: 450450015

Site Name: Greenville-Esc

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

Updated: April 11, 2021, 2:43 a.m.

Location: Greenville (Payne-Logan), SC

Reporting: True, Located: True

Current AQI: 24.0

Greenville (Payne-Logan) SC, US: 34.843899, -82.414597

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 11, 2021, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (6) 5.6 μg/m3 (24) 24.0
 
April 11, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) 1.2 μg/m3 (5) 5.0
 
April 10, 2021, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (11) 6.8 μg/m3 (29) 29.0
 
April 10, 2021, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (12) 12.5 μg/m3 (52) 52.0
 
April 10, 2021, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 7.4 μg/m3 (31) 31.0
 
April 10, 2021, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (16) 6.6 μg/m3 (28) 28.0
 
April 10, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 7.6 μg/m3 (32) 32.0
 
April 10, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (17) 6.3 μg/m3 (27) 27.0
 
April 10, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (17) 4.5 μg/m3 (19) 19.0
 
April 10, 2021, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 10.4 μg/m3 (44) 44.0
 
April 10, 2021, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (16) 12.0 μg/m3 (50) 50.0
 
April 10, 2021, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) 12.7 μg/m3 (53) 53.0
 
April 10, 2021, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) 8.6 μg/m3 (36) 36.0
 
April 10, 2021, noon N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (11) 8.4 μg/m3 (36) 36.0
 
April 10, 2021, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) 9.0 μg/m3 (38) 38.0
 
April 10, 2021, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) 8.2 μg/m3 (35) 35.0
 
April 10, 2021, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (8) 2.3 μg/m3 (10) 10.0
 
April 10, 2021, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
April 10, 2021, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (8) 1.6 μg/m3 (7) 8.0
 
April 10, 2021, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (10) 7.1 μg/m3 (30) 30.0
 
April 10, 2021, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) 6.7 μg/m3 (28) 28.0
 
April 10, 2021, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 10.4 μg/m3 (44) 44.0
 
April 10, 2021, 2 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (20) 13.5 μg/m3 (54) 54.0
 
April 10, 2021, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (19) 13.7 μg/m3 (55) 55.0
 
April 10, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (18) 8.9 μg/m3 (38) 38.0
 
April 9, 2021, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 6.8 μg/m3 (29) 29.0
 
April 9, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (18) 7.1 μg/m3 (30) 30.0
 
April 9, 2021, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (13) 6.3 μg/m3 (27) 27.0
 
April 9, 2021, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (18) 4.2 μg/m3 (18) 18.0
 
April 9, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (16) 8.0 μg/m3 (34) 34.0
 
April 9, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 8.1 μg/m3 (34) 34.0
 
April 9, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
April 9, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (16) 11.7 μg/m3 (49) 49.0
 
April 9, 2021, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 13.7 μg/m3 (55) 55.0
 
April 9, 2021, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (18) 17.5 μg/m3 (63) 63.0
 
April 9, 2021, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 29.0 μg/m3 (27) 17.4 μg/m3 (63) 63.0
 
April 9, 2021, noon N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) N/A N/A 24.0 μg/m3 (23) 13.4 μg/m3 (54) 54.0
 
April 9, 2021, 11 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (22) 12.7 μg/m3 (53) 53.0
 
April 9, 2021, 10 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (19) 14.7 μg/m3 (57) 57.0
 
April 9, 2021, 9 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (16) 15.1 μg/m3 (58) 58.0
 
April 9, 2021, 8 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 14.4 μg/m3 (56) 56.0
 
April 9, 2021, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
April 9, 2021, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (21) 8.8 μg/m3 (37) 37.0
 
April 9, 2021, 5 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (21) 17.8 μg/m3 (63) 63.0
 
April 9, 2021, 3 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) N/A N/A 24.0 μg/m3 (23) 15.6 μg/m3 (59) 59.0
 
April 9, 2021, 2 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) N/A N/A 29.0 μg/m3 (27) 17.5 μg/m3 (63) 63.0
 
April 9, 2021, 1 a.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) N/A N/A 28.0 μg/m3 (26) 21.1 μg/m3 (70) 70.0
 
April 9, 2021, midnight N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (21) 17.2 μg/m3 (62) 62.0
 
April 8, 2021, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (22) 9.2 μg/m3 (39) 39.0
 
April 8, 2021, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 26.0 μg/m3 (25) 14.4 μg/m3 (56) 56.0
 
April 8, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (21) 11.3 μg/m3 (48) 48.0
 
April 8, 2021, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 27.0 μg/m3 (25) 9.5 μg/m3 (40) 40.0
 
April 8, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 33.0 μg/m3 (31) 19.2 μg/m3 (66) 66.0
 
April 8, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 36.0 μg/m3 (34) 22.2 μg/m3 (73) 73.0
 
April 8, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 45.0 μg/m3 (42) 26.5 μg/m3 (82) 82.0
 
April 8, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 34.0 μg/m3 (32) 24.6 μg/m3 (78) 78.0
 
April 8, 2021, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 42.0 μg/m3 (39) 18.7 μg/m3 (65) 65.0
 
April 8, 2021, 2 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) N/A N/A 41.0 μg/m3 (38) 26.9 μg/m3 (83) 83.0
 
April 8, 2021, 1 p.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) N/A N/A 42.0 μg/m3 (39) 28.8 μg/m3 (87) 87.0
 
April 8, 2021, noon N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) N/A N/A 43.0 μg/m3 (40) 28.6 μg/m3 (86) 86.0
 
April 8, 2021, 11 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) N/A N/A 39.0 μg/m3 (37) 27.4 μg/m3 (84) 84.0
 
April 8, 2021, 10 a.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) N/A N/A 34.0 μg/m3 (32) 26.1 μg/m3 (81) 81.0
 
April 8, 2021, 9 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) N/A N/A 34.0 μg/m3 (32) 28.5 μg/m3 (86) 86.0
 
April 8, 2021, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 31.0 μg/m3 (29) 25.4 μg/m3 (79) 79.0
 
April 8, 2021, 7 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) N/A N/A 32.0 μg/m3 (30) 24.7 μg/m3 (78) 78.0
 
April 8, 2021, 6 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 32.0 μg/m3 (30) 24.4 μg/m3 (77) 77.0
 
April 8, 2021, 5 a.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) N/A N/A 35.0 μg/m3 (33) 28.6 μg/m3 (86) 86.0
 
April 8, 2021, 3 a.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) N/A N/A 37.0 μg/m3 (35) 26.1 μg/m3 (81) 81.0
 
April 8, 2021, 2 a.m. N/A N/A N/A 16.0 ppb (16) N/A 0.0 ppb (0) N/A N/A 39.0 μg/m3 (37) 24.8 μg/m3 (78) 78.0
 
April 8, 2021, 1 a.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) N/A N/A 46.0 μg/m3 (43) 29.4 μg/m3 (88) 88.0
 
April 8, 2021, midnight N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) N/A N/A 37.0 μg/m3 (35) 27.6 μg/m3 (84) 84.0
 
April 7, 2021, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 29.0 μg/m3 (27) 17.1 μg/m3 (62) 62.0
 
April 7, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (19) 10.9 μg/m3 (46) 46.0
 
April 7, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 25.0 μg/m3 (24) 12.7 μg/m3 (53) 53.0
 
April 7, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 29.0 μg/m3 (27) 12.9 μg/m3 (53) 53.0
 
April 7, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 28.0 μg/m3 (26) 12.2 μg/m3 (52) 52.0
 
April 7, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 24.0 μg/m3 (23) 12.0 μg/m3 (50) 50.0
 
April 7, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 24.0 μg/m3 (23) 13.9 μg/m3 (55) 55.0
 
April 7, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 27.0 μg/m3 (25) 12.1 μg/m3 (51) 51.0
 
April 7, 2021, 3 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 33.0 μg/m3 (31) 13.6 μg/m3 (55) 55.0
 
April 7, 2021, 2 p.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) N/A N/A 44.0 μg/m3 (41) 16.8 μg/m3 (61) 61.0
 
April 7, 2021, 1 p.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) N/A N/A 49.0 μg/m3 (46) 18.5 μg/m3 (65) 65.0
 
April 7, 2021, noon N/A N/A N/A 26.0 ppb (25) N/A 0.0 ppb (0) N/A N/A 28.0 μg/m3 (26) 18.5 μg/m3 (65) 65.0
 
April 7, 2021, 11 a.m. N/A N/A N/A 27.0 ppb (26) N/A 0.0 ppb (0) N/A N/A 25.0 μg/m3 (24) 20.0 μg/m3 (68) 68.0
 
April 7, 2021, 10 a.m. N/A N/A N/A 22.0 ppb (21) N/A 0.0 ppb (0) N/A N/A 28.0 μg/m3 (26) 21.2 μg/m3 (71) 71.0
 
April 7, 2021, 9 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) N/A N/A 29.0 μg/m3 (27) 21.5 μg/m3 (71) 71.0
 
April 7, 2021, 8 a.m. N/A N/A N/A 17.0 ppb (17) N/A 0.0 ppb (0) N/A N/A 25.0 μg/m3 (24) 18.1 μg/m3 (64) 64.0
 
April 7, 2021, 7 a.m. N/A N/A N/A 24.0 ppb (23) N/A 0.0 ppb (0) N/A N/A 24.0 μg/m3 (23) 18.9 μg/m3 (66) 66.0
 
April 7, 2021, 6 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (22) 18.6 μg/m3 (65) 65.0
 
April 7, 2021, 5 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (22) 15.9 μg/m3 (59) 59.0
 
April 7, 2021, 3 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (22) 12.6 μg/m3 (53) 53.0
 
April 7, 2021, 2 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 28.0 μg/m3 (26) 11.3 μg/m3 (48) 48.0
 
April 7, 2021, 1 a.m. N/A N/A N/A 16.0 ppb (16) N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (22) 11.3 μg/m3 (48) 48.0
 
April 7, 2021, midnight N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (20) 7.0 μg/m3 (30) 30.0
 
April 6, 2021, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (20) 10.2 μg/m3 (43) 43.0
 
April 6, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (19) 10.1 μg/m3 (43) 43.0
 
April 6, 2021, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (18) 7.2 μg/m3 (31) 31.0
 
April 6, 2021, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 2.5 μg/m3 (11) 14.0
 
April 6, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 1.5 μg/m3 (7) 13.0
 
April 6, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 1.5 μg/m3 (7) 7.0
 
April 6, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 0.2 μg/m3 (1) 2.0
 
April 6, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 6, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 47.0 μg/m3 (44) 9.5 μg/m3 (40) 44.0
 
April 6, 2021, 2 p.m. N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) N/A N/A 54.0 μg/m3 (50) 18.5 μg/m3 (65) 65.0
 
April 6, 2021, 1 p.m. N/A N/A N/A 23.0 ppb (22) N/A 0.0 ppb (0) N/A N/A 54.0 μg/m3 (50) 19.6 μg/m3 (67) 67.0
 
April 6, 2021, noon N/A N/A N/A 25.0 ppb (24) N/A 0.0 ppb (0) N/A N/A 35.0 μg/m3 (33) 17.2 μg/m3 (62) 62.0
 
April 6, 2021, 11 a.m. N/A N/A N/A 24.0 ppb (23) N/A 0.0 ppb (0) N/A N/A 28.0 μg/m3 (26) 17.6 μg/m3 (63) 63.0
 
April 6, 2021, 10 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (18) 14.0 μg/m3 (55) 55.0
 
April 6, 2021, 9 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (18) 11.0 μg/m3 (46) 46.0
 
April 6, 2021, 8 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (19) 10.4 μg/m3 (44) 44.0
 
April 6, 2021, 7 a.m. N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) N/A N/A 25.0 μg/m3 (24) 18.2 μg/m3 (64) 64.0
 
April 6, 2021, 6 a.m. N/A N/A N/A 23.0 ppb (22) N/A 0.0 ppb (0) N/A N/A 31.0 μg/m3 (29) 20.7 μg/m3 (70) 70.0
 
April 6, 2021, 5 a.m. N/A N/A N/A 33.0 ppb (32) N/A 0.0 ppb (0) N/A N/A 36.0 μg/m3 (34) 21.5 μg/m3 (71) 71.0
 
April 6, 2021, 3 a.m. N/A N/A N/A 22.0 ppb (21) N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (22) 12.1 μg/m3 (51) 51.0
 
April 6, 2021, 2 a.m. N/A N/A N/A 22.0 ppb (21) N/A 0.0 ppb (0) N/A N/A 25.0 μg/m3 (24) 12.6 μg/m3 (53) 53.0
 
April 6, 2021, 1 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (21) 9.4 μg/m3 (40) 40.0
 
April 6, 2021, midnight N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (17) 7.3 μg/m3 (31) 31.0
 
April 5, 2021, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (19) 5.8 μg/m3 (25) 25.0
 
April 5, 2021, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (19) 7.2 μg/m3 (31) 31.0
 
April 5, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (18) 7.5 μg/m3 (32) 32.0
 
April 5, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (17) 5.4 μg/m3 (23) 23.0
 
April 5, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (19) 4.7 μg/m3 (20) 20.0
 
April 5, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (18) 7.8 μg/m3 (33) 33.0
 
April 5, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (17) 6.7 μg/m3 (28) 28.0
 
April 5, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 5.7 μg/m3 (24) 24.0
 
April 5, 2021, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 4.1 μg/m3 (18) 18.0
 
April 5, 2021, 2 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 24.0 μg/m3 (23) 7.0 μg/m3 (30) 30.0
 
April 5, 2021, 1 p.m. N/A N/A N/A 24.0 ppb (23) N/A 0.0 ppb (0) N/A N/A 44.0 μg/m3 (41) 13.6 μg/m3 (55) 55.0
 
April 5, 2021, noon N/A N/A N/A 28.0 ppb (27) N/A 0.0 ppb (0) N/A N/A 29.0 μg/m3 (27) 11.4 μg/m3 (48) 48.0
 
April 5, 2021, 11 a.m. N/A N/A N/A 33.0 ppb (32) N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 8.1 μg/m3 (34) 34.0
 
April 5, 2021, 10 a.m. N/A N/A N/A 29.0 ppb (28) N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 8.7 μg/m3 (37) 37.0
 
April 5, 2021, 9 a.m. N/A N/A N/A 31.0 ppb (30) N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (19) 9.7 μg/m3 (41) 41.0
 
April 5, 2021, 8 a.m. N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (20) 14.7 μg/m3 (57) 57.0
 
April 5, 2021, 7 a.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) N/A N/A 26.0 μg/m3 (25) 16.6 μg/m3 (61) 61.0
 
April 5, 2021, 6 a.m. N/A N/A N/A 21.0 ppb (20) N/A 0.0 ppb (0) N/A N/A 36.0 μg/m3 (34) 25.2 μg/m3 (79) 79.0
 
April 5, 2021, 5 a.m. N/A N/A N/A 35.0 ppb (34) N/A 0.0 ppb (0) N/A N/A 37.0 μg/m3 (35) 31.1 μg/m3 (91) 91.0
 
April 5, 2021, 3 a.m. N/A N/A N/A 30.0 ppb (29) N/A 0.0 ppb (0) N/A N/A 33.0 μg/m3 (31) 19.9 μg/m3 (68) 68.0
 
April 5, 2021, 2 a.m. N/A N/A N/A 31.0 ppb (30) N/A 0.0 ppb (0) N/A N/A 42.0 μg/m3 (39) 24.6 μg/m3 (78) 78.0
 
April 5, 2021, 1 a.m. N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) N/A N/A 25.0 μg/m3 (24) 22.3 μg/m3 (73) 73.0
 
April 5, 2021, midnight N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (20) 6.9 μg/m3 (29) 29.0
 
April 4, 2021, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (18) 5.1 μg/m3 (22) 22.0
 
April 4, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
April 4, 2021, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (16) 3.5 μg/m3 (15) 16.0
 
April 4, 2021, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (16) 0.8 μg/m3 (4) 16.0
 
April 4, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (16) 1.7 μg/m3 (8) 16.0
 
April 4, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (17) 6.7 μg/m3 (28) 28.0
 
April 4, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (10) 3.0 μg/m3 (13) 13.0
 
April 4, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (12) 1.6 μg/m3 (7) 12.0
 
April 4, 2021, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (7) 3.3 μg/m3 (14) 14.0
 
April 4, 2021, 2 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 8.5 μg/m3 (36) 36.0
 
April 4, 2021, 1 p.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 11.1 μg/m3 (47) 47.0
 
April 4, 2021, noon N/A N/A N/A 17.0 ppb (17) N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (17) 10.3 μg/m3 (43) 43.0
 
April 4, 2021, 11 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (17) 12.2 μg/m3 (52) 52.0
 
April 4, 2021, 10 a.m. N/A N/A N/A 23.0 ppb (22) N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (22) 16.3 μg/m3 (60) 60.0
 
April 4, 2021, 9 a.m. N/A N/A N/A 27.0 ppb (26) N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (19) 18.0 μg/m3 (64) 64.0
 
April 4, 2021, 8 a.m. N/A N/A N/A 24.0 ppb (23) N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (21) 17.5 μg/m3 (63) 63.0
 
April 4, 2021, 7 a.m. N/A N/A N/A 30.0 ppb (29) N/A 0.0 ppb (0) N/A N/A 24.0 μg/m3 (23) 18.2 μg/m3 (64) 64.0
 
April 4, 2021, 6 a.m. N/A N/A N/A 24.0 ppb (23) N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (21) 16.7 μg/m3 (61) 61.0
 
April 4, 2021, 5 a.m. N/A N/A N/A 22.0 ppb (21) N/A 0.0 ppb (0) N/A N/A 34.0 μg/m3 (32) 26.6 μg/m3 (82) 82.0
 
April 4, 2021, 3 a.m. N/A N/A N/A 37.0 ppb (35) N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (21) 14.5 μg/m3 (57) 57.0
 
April 4, 2021, 2 a.m. N/A N/A N/A 22.0 ppb (21) N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 9.2 μg/m3 (39) 39.0
 
April 4, 2021, 1 a.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 9.3 μg/m3 (39) 39.0
 
April 4, 2021, midnight N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (11) 5.3 μg/m3 (23) 23.0
 
April 3, 2021, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (11) 1.2 μg/m3 (5) 11.0
 
April 3, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) 4.2 μg/m3 (18) 18.0
 
April 3, 2021, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (10) 2.8 μg/m3 (12) 12.0
 
April 3, 2021, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (10) 3.0 μg/m3 (13) 13.0
 
April 3, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (8) 1.8 μg/m3 (8) 8.0