AQSQID: 450450015

Site Name: Greenville-Esc

Location: Greenville (Payne-Logan), SC

Reporting: True, Located: True

Current AQI: 64.0

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
March 29, 2020, 3 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 25.0 μg/m3 (23) 18.7 μg/m3 (64) 64.0
 
March 29, 2020, 2 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 26.0 μg/m3 (24) 18.1 μg/m3 (63) 63.0
 
March 29, 2020, 1 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (20) 14.5 μg/m3 (55) 55.0
 
March 29, 2020, midnight N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (20) 13.0 μg/m3 (52) 52.0
 
March 28, 2020, 11 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 (20) 12.5 μg/m3 (51) 51.0
 
March 28, 2020, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (19) 8.5 μg/m3 (35) 35.0
 
March 28, 2020, 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 (15) 8.3 μg/m3 (35) 35.0
 
March 28, 2020, 8 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 (16) 9.1 μg/m3 (38) 38.0
 
March 28, 2020, 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 (15) 10.8 μg/m3 (45) 45.0
 
March 28, 2020, 6 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 (17) 10.3 μg/m3 (43) 43.0
 
March 28, 2020, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (20) 12.4 μg/m3 (51) 51.0
 
March 28, 2020, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 33.0 μg/m3 (30) 15.3 μg/m3 (57) 57.0
 
March 28, 2020, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 31.0 μg/m3 (28) 19.1 μg/m3 (65) 65.0
 
March 28, 2020, 2 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 (30) 21.5 μg/m3 (70) 70.0
 
March 28, 2020, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 31.0 μg/m3 (28) 22.0 μg/m3 (71) 71.0
 
March 28, 2020, noon N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A N/A 26.0 μg/m3 (24) 24.3 μg/m3 (76) 76.0
 
March 28, 2020, 11 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) N/A N/A 24.0 μg/m3 (22) 23.9 μg/m3 (75) 75.0
 
March 28, 2020, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (21) 21.0 μg/m3 (69) 69.0
 
March 28, 2020, 9 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 (20) 21.5 μg/m3 (70) 70.0
 
March 28, 2020, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (21) 23.3 μg/m3 (74) 74.0
 
March 28, 2020, 7 a.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 (20) 22.2 μg/m3 (72) 72.0
 
March 28, 2020, 6 a.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 (21) 19.2 μg/m3 (65) 65.0
 
March 28, 2020, 5 a.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) 22.3 μg/m3 (72) 72.0
 
March 28, 2020, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 34.0 μg/m3 (31) 25.9 μg/m3 (80) 80.0
 
March 28, 2020, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 31.0 μg/m3 (28) 24.9 μg/m3 (77) 77.0
 
March 28, 2020, 1 a.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 (30) 23.3 μg/m3 (74) 74.0
 
March 28, 2020, midnight N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 30.0 μg/m3 (27) 18.9 μg/m3 (65) 65.0
 
March 27, 2020, 11 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) 15.9 μg/m3 (58) 58.0
 
March 27, 2020, 10 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 (20) 17.5 μg/m3 (62) 62.0
 
March 27, 2020, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (19) 14.7 μg/m3 (56) 56.0
 
March 27, 2020, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
March 27, 2020, 7 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 (22) 12.7 μg/m3 (51) 51.0
 
March 27, 2020, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 26.0 μg/m3 (24) 14.9 μg/m3 (56) 56.0
 
March 27, 2020, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 26.0 μg/m3 (24) 13.3 μg/m3 (53) 53.0
 
March 27, 2020, 4 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 (22) 14.7 μg/m3 (56) 56.0
 
March 27, 2020, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 12.5 μg/m3 (51) 51.0
 
March 27, 2020, 2 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 15.3 μg/m3 (57) 57.0
 
March 27, 2020, 1 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (18) 15.4 μg/m3 (57) 57.0
 
March 27, 2020, noon N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 11.3 μg/m3 (47) 47.0
 
March 27, 2020, 11 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 9.3 μg/m3 (39) 39.0
 
March 27, 2020, 10 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) 10.9 μg/m3 (45) 45.0
 
March 27, 2020, 9 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (12) 11.7 μg/m3 (49) 49.0
 
March 27, 2020, 8 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 11.5 μg/m3 (48) 48.0
 
March 27, 2020, 7 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 15.9 μg/m3 (58) 58.0
 
March 27, 2020, 6 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 14.9 μg/m3 (56) 56.0
 
March 27, 2020, 5 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (15) 15.9 μg/m3 (58) 58.0
 
March 27, 2020, 3 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (18) 18.0 μg/m3 (63) 63.0
 
March 27, 2020, 2 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 16.3 μg/m3 (59) 59.0
 
March 27, 2020, 1 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (12) 9.6 μg/m3 (40) 40.0
 
March 27, 2020, midnight N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 9.0 μg/m3 (38) 38.0
 
March 26, 2020, 11 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 (11) 6.6 μg/m3 (28) 28.0
 
March 26, 2020, 10 p.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 (8) 4.3 μg/m3 (18) 18.0
 
March 26, 2020, 9 p.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 (9) 3.4 μg/m3 (14) 14.0
 
March 26, 2020, 8 p.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 (8) 3.3 μg/m3 (14) 14.0
 
March 26, 2020, 7 p.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 (7) 0.9 μg/m3 (4) 7.0
 
March 26, 2020, 6 p.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 (7) 2.1 μg/m3 (9) 9.0
 
March 26, 2020, 5 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 (6) 2.0 μg/m3 (8) 8.0
 
March 26, 2020, 4 p.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 (5) 3.0 μg/m3 (12) 12.0
 
March 26, 2020, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 2.6 μg/m3 (11) 11.0
 
March 26, 2020, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 3.4 μg/m3 (14) 14.0
 
March 26, 2020, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 3.5 μg/m3 (15) 15.0
 
March 26, 2020, noon N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
March 26, 2020, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 3.6 μg/m3 (15) 15.0
 
March 26, 2020, 10 a.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 (6) 4.2 μg/m3 (18) 18.0
 
March 26, 2020, 9 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 (8) 7.3 μg/m3 (30) 30.0
 
March 26, 2020, 8 a.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 (8) 5.9 μg/m3 (25) 25.0
 
March 26, 2020, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (10) 5.1 μg/m3 (21) 21.0
 
March 26, 2020, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 3.9 μg/m3 (16) 16.0
 
March 26, 2020, 5 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 (7) 5.5 μg/m3 (23) 23.0
 
March 26, 2020, 3 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 (5) 5.0 μg/m3 (21) 21.0
 
March 26, 2020, 2 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 6.2 μg/m3 (26) 26.0
 
March 26, 2020, 1 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 (7) 6.1 μg/m3 (25) 25.0
 
March 26, 2020, midnight N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 4.2 μg/m3 (18) 18.0
 
March 25, 2020, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 2.7 μg/m3 (11) 11.0
 
March 25, 2020, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
March 25, 2020, 9 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 (6) N/A 6.0
 
March 25, 2020, 8 p.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 (5) 2.6 μg/m3 (11) 11.0
 
March 25, 2020, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 2.3 μg/m3 (10) 10.0
 
March 25, 2020, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) 1.1 μg/m3 (5) 5.0
 
March 25, 2020, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 2.8 μg/m3 (12) 12.0
 
March 25, 2020, 4 p.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 (5) 2.1 μg/m3 (9) 9.0
 
March 25, 2020, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 1.6 μg/m3 (7) 7.0
 
March 25, 2020, 2 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 3.2 μg/m3 (13) 13.0
 
March 25, 2020, 1 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 3.7 μg/m3 (15) 15.0
 
March 25, 2020, noon N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 2.7 μg/m3 (11) 11.0
 
March 25, 2020, 11 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) 1.8 μg/m3 (8) 8.0
 
March 25, 2020, 10 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (3) 1.8 μg/m3 (8) 8.0
 
March 25, 2020, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) N/A 5.0
 
March 25, 2020, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 1.0 μg/m3 (1) N/A 6.0
 
March 25, 2020, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) 0.7 μg/m3 (3) 5.0
 
March 25, 2020, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 6.9 μg/m3 (29) 29.0
 
March 25, 2020, 5 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (3) 2.7 μg/m3 (11) 11.0
 
March 25, 2020, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 2.0 μg/m3 (2) N/A 5.0
 
March 25, 2020, 2 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) 1.7 μg/m3 (7) 7.0
 
March 25, 2020, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 2.2 μg/m3 (9) 9.0
 
March 25, 2020, midnight N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 2.1 μg/m3 (9) 9.0
 
March 24, 2020, 11 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) 1.7 μg/m3 (7) 7.0
 
March 24, 2020, 10 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) 2.9 μg/m3 (12) 12.0
 
March 24, 2020, 9 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) N/A 7.0
 
March 24, 2020, 8 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) N/A 6.0
 
March 24, 2020, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
March 24, 2020, 6 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 2.0 μg/m3 (2) N/A 6.0
 
March 24, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) N/A 6.0
 
March 24, 2020, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (3) N/A 3.0
 
March 24, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A N/A
March 24, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A N/A
March 24, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A N/A
March 24, 2020, noon N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) 3.1 μg/m3 (13) 13.0
 
March 24, 2020, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 2.0 μg/m3 (2) 4.3 μg/m3 (18) 18.0
 
March 24, 2020, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (3) 1.7 μg/m3 (7) 7.0
 
March 24, 2020, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 2.0 μg/m3 (2) 2.6 μg/m3 (11) 11.0
 
March 24, 2020, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 2.0 μg/m3 (2) 1.4 μg/m3 (6) 6.0
 
March 24, 2020, 7 a.m. 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) 3.9 μg/m3 (16) 16.0
 
March 24, 2020, 6 a.m. 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) 3.4 μg/m3 (14) 14.0
 
March 24, 2020, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 3.2 μg/m3 (13) 13.0
 
March 24, 2020, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 1.8 μg/m3 (8) 8.0
 
March 24, 2020, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 0.4 μg/m3 (2) 5.0
 
March 24, 2020, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 2.3 μg/m3 (10) 10.0
 
March 24, 2020, midnight N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 3.1 μg/m3 (13) 13.0
 
March 23, 2020, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 2.8 μg/m3 (12) 12.0
 
March 23, 2020, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 5.1 μg/m3 (21) 21.0
 
March 23, 2020, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) 3.3 μg/m3 (14) 14.0
 
March 23, 2020, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) 0.1 μg/m3 (0) 5.0
 
March 23, 2020, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 2.0 μg/m3 (2) 0.0 μg/m3 (0) 6.0
 
March 23, 2020, 6 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (3) 1.6 μg/m3 (7) 7.0
 
March 23, 2020, 5 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 2.0 μg/m3 (2) 2.7 μg/m3 (11) 11.0
 
March 23, 2020, 4 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) 3.0 μg/m3 (12) 12.0
 
March 23, 2020, 3 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A N/A 2.0 μg/m3 (2) 3.2 μg/m3 (13) 13.0
 
March 23, 2020, 2 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 6.1 μg/m3 (25) 25.0
 
March 23, 2020, 1 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 7.6 μg/m3 (32) 32.0
 
March 23, 2020, noon N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) 4.5 μg/m3 (19) 19.0
 
March 23, 2020, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 1.9 μg/m3 (8) 8.0
 
March 23, 2020, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 3.5 μg/m3 (15) 15.0
 
March 23, 2020, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 3.9 μg/m3 (16) 16.0
 
March 23, 2020, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 3.2 μg/m3 (13) 13.0
 
March 23, 2020, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 2.6 μg/m3 (11) 11.0
 
March 23, 2020, 6 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 (5) 3.7 μg/m3 (15) 15.0
 
March 23, 2020, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 6.9 μg/m3 (29) 29.0
 
March 23, 2020, 3 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 (8) 6.6 μg/m3 (28) 28.0
 
March 23, 2020, 2 a.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 (10) 5.7 μg/m3 (24) 24.0
 
March 23, 2020, 1 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 (9) 7.6 μg/m3 (32) 32.0
 
March 23, 2020, midnight N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (12) 7.2 μg/m3 (30) 30.0
 
March 22, 2020, 11 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) 9.5 μg/m3 (40) 40.0
 
March 22, 2020, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A N/A 9.8 μg/m3 (41) 41.0
 
March 22, 2020, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 6.1 μg/m3 (25) 25.0
 
March 22, 2020, 8 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 (10) 6.9 μg/m3 (29) 29.0
 
March 22, 2020, 7 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 (10) 7.0 μg/m3 (29) 29.0
 
March 22, 2020, 6 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 (10) 5.1 μg/m3 (21) 21.0
 
March 22, 2020, 5 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 (11) 6.0 μg/m3 (25) 25.0
 
March 22, 2020, 4 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 (10) 5.4 μg/m3 (23) 23.0
 
March 22, 2020, 3 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 (10) 5.3 μg/m3 (22) 22.0
 
March 22, 2020, 2 p.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 (9) 6.6 μg/m3 (28) 28.0
 
March 22, 2020, 1 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 (10) 5.5 μg/m3 (23) 23.0
 
March 22, 2020, noon N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (10) 7.9 μg/m3 (33) 33.0
 
March 22, 2020, 11 a.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 (8) 5.1 μg/m3 (21) 21.0
 
March 22, 2020, 10 a.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 (9) 3.8 μg/m3 (16) 16.0
 
March 22, 2020, 9 a.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 (9) 5.9 μg/m3 (25) 25.0
 
March 22, 2020, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 2.4 μg/m3 (10) 10.0
 
March 22, 2020, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) 0.3 μg/m3 (1) 4.0
 
March 22, 2020, 6 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 (5) 1.8 μg/m3 (8) 8.0
 
March 22, 2020, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 3.7 μg/m3 (15) 15.0
 
March 22, 2020, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (10) 4.4 μg/m3 (18) 18.0
 
March 22, 2020, 2 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
March 22, 2020, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 2.6 μg/m3 (11) 11.0
 
March 22, 2020, midnight N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 2.6 μg/m3 (11) 11.0
 
March 21, 2020, 11 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 (8) 2.0 μg/m3 (8) 8.0
 
March 21, 2020, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 1.9 μg/m3 (8) 8.0
 
March 21, 2020, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 1.8 μg/m3 (8) 8.0