ID: 520

AQSQID: 280590006

Site Name: Pascagoula

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

Updated: May 14, 2021, 11:46 p.m.

Location: Pascagoula (E Side), MS

Reporting: True, Located: True

Current AQI: 51.0

Pascagoula (E Side) MS, US: 30.377501, -88.533897

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 14, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 55.0 ppb (51) N/A N/A 4.3 μg/m3 (18) 51.0
 
May 14, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 54.0 ppb (50) N/A N/A 4.5 μg/m3 (19) 50.0
 
May 14, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 54.0 ppb (50) N/A N/A 4.5 μg/m3 (19) 50.0
 
May 14, 2021, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 51.0 ppb (48) N/A N/A 4.7 μg/m3 (20) 48.0
 
May 14, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 55.0 ppb (51) N/A N/A 5.2 μg/m3 (22) 51.0
 
May 14, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 54.0 ppb (50) N/A N/A 4.8 μg/m3 (20) 50.0
 
May 14, 2021, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 52.0 ppb (49) N/A N/A 4.8 μg/m3 (20) 49.0
 
May 14, 2021, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 48.0 ppb (45) N/A N/A N/A 45.0
 
May 14, 2021, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 41.0 ppb (38) N/A N/A 5.1 μg/m3 (22) 38.0
 
May 14, 2021, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 30.0 ppb (28) N/A N/A 5.9 μg/m3 (25) 28.0
 
May 14, 2021, noon N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 24.0 ppb (23) N/A N/A 6.3 μg/m3 (27) 27.0
 
May 14, 2021, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 6.3 μg/m3 (27) 27.0
 
May 14, 2021, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 6.1 μg/m3 (26) 26.0
 
May 14, 2021, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 6.9 μg/m3 (29) 29.0
 
May 14, 2021, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 6.3 μg/m3 (27) 27.0
 
May 14, 2021, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 5.9 μg/m3 (25) 25.0
 
May 14, 2021, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 5.5 μg/m3 (23) 25.0
 
May 14, 2021, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 5.8 μg/m3 (25) 26.0
 
May 14, 2021, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 6.7 μg/m3 (28) 28.0
 
May 14, 2021, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A 6.1 μg/m3 (26) 28.0
 
May 14, 2021, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 6.5 μg/m3 (28) 28.0
 
May 14, 2021, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 32.0 ppb (30) N/A N/A 7.3 μg/m3 (31) 31.0
 
May 14, 2021, midnight N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 38.0 ppb (36) N/A N/A 6.4 μg/m3 (27) 36.0
 
May 13, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 41.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0
 
May 13, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 43.0 ppb (40) N/A N/A 6.6 μg/m3 (28) 40.0
 
May 13, 2021, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 44.0 ppb (41) N/A N/A 6.5 μg/m3 (28) 41.0
 
May 13, 2021, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 43.0 ppb (40) N/A N/A 6.0 μg/m3 (25) 40.0
 
May 13, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 40.0 ppb (38) N/A N/A 6.3 μg/m3 (27) 38.0
 
May 13, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 39.0 ppb (37) N/A N/A 6.6 μg/m3 (28) 37.0
 
May 13, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 6.5 μg/m3 (28) 34.0
 
May 13, 2021, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 6.6 μg/m3 (28) 33.0
 
May 13, 2021, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 5.8 μg/m3 (25) 29.0
 
May 13, 2021, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A 8.2 μg/m3 (35) 35.0
 
May 13, 2021, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 7.4 μg/m3 (31) 31.0
 
May 13, 2021, noon N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 7.1 μg/m3 (30) 30.0
 
May 13, 2021, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 8.5 μg/m3 (36) 36.0
 
May 13, 2021, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 10.0 μg/m3 (42) 42.0
 
May 13, 2021, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 10.1 μg/m3 (43) 43.0
 
May 13, 2021, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 10.2 μg/m3 (43) 43.0
 
May 13, 2021, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 10.9 μg/m3 (46) 46.0
 
May 13, 2021, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 10.7 μg/m3 (45) 45.0
 
May 13, 2021, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 9.8 μg/m3 (41) 41.0
 
May 13, 2021, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 9.0 μg/m3 (38) 38.0
 
May 13, 2021, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 8.2 μg/m3 (35) 35.0
 
May 13, 2021, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 7.4 μg/m3 (31) 31.0
 
May 13, 2021, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 6.9 μg/m3 (29) 29.0
 
May 13, 2021, midnight N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 5.7 μg/m3 (24) 27.0
 
May 12, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 5.0 μg/m3 (21) 27.0
 
May 12, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A 4.9 μg/m3 (21) 28.0
 
May 12, 2021, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 4.6 μg/m3 (20) 27.0
 
May 12, 2021, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 4.2 μg/m3 (18) 31.0
 
May 12, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
May 12, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 4.1 μg/m3 (18) 32.0
 
May 12, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 3.3 μg/m3 (14) 31.0
 
May 12, 2021, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 2.5 μg/m3 (11) 29.0
 
May 12, 2021, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
May 12, 2021, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A N/A 2.4 μg/m3 (10) 10.0
 
May 12, 2021, 1 p.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 3.0 μg/m3 (13) 25.0
 
May 12, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 2.9 μg/m3 (13) 22.0
 
May 12, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 2.8 μg/m3 (12) 23.0
 
May 12, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 2.4 μg/m3 (10) 25.0
 
May 12, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.7 μg/m3 (16) 28.0
 
May 12, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 6.7 μg/m3 (28) 28.0
 
May 12, 2021, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A N/A 5.7 μg/m3 (24) 24.0
 
May 12, 2021, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) N/A N/A N/A 4.3 μg/m3 (18) 18.0
 
May 12, 2021, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 40.0 ppb (38) N/A N/A 3.8 μg/m3 (16) 38.0
 
May 12, 2021, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 41.0 ppb (38) N/A N/A 3.5 μg/m3 (15) 38.0
 
May 12, 2021, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
May 12, 2021, 2 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 4.1 μg/m3 (18) 27.0
 
May 12, 2021, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
May 12, 2021, midnight N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 3.5 μg/m3 (15) 35.0
 
May 11, 2021, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 3.3 μg/m3 (14) 35.0
 
May 11, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 2.9 μg/m3 (13) 34.0
 
May 11, 2021, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 3.1 μg/m3 (13) 34.0
 
May 11, 2021, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 3.2 μg/m3 (14) 32.0
 
May 11, 2021, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 3.3 μg/m3 (14) 31.0
 
May 11, 2021, 6 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 3.4 μg/m3 (15) 34.0
 
May 11, 2021, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 41.0 ppb (38) N/A N/A 3.8 μg/m3 (16) 38.0
 
May 11, 2021, 4 p.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 32.0 ppb (30) N/A N/A 6.0 μg/m3 (25) 30.0
 
May 11, 2021, 3 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 8.4 μg/m3 (36) 36.0
 
May 11, 2021, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 9.1 μg/m3 (38) 38.0
 
May 11, 2021, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 8.5 μg/m3 (36) 36.0
 
May 11, 2021, noon N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A 7.7 μg/m3 (33) 33.0
 
May 11, 2021, 11 a.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 10.0 ppb (10) N/A N/A 6.7 μg/m3 (28) 28.0
 
May 11, 2021, 10 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 6.6 μg/m3 (28) 28.0
 
May 11, 2021, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A 6.3 μg/m3 (27) 27.0
 
May 11, 2021, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 5.8 μg/m3 (25) 25.0
 
May 11, 2021, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 16.0 ppb (15) N/A N/A 5.8 μg/m3 (25) 25.0
 
May 11, 2021, 6 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 5.7 μg/m3 (24) 24.0
 
May 11, 2021, 5 a.m. N/A N/A N/A 6.0 ppb (6) N/A 2.0 ppb (3) 19.0 ppb (18) N/A N/A 5.4 μg/m3 (23) 23.0
 
May 11, 2021, 4 a.m. N/A N/A N/A 11.0 ppb (11) N/A 6.0 ppb (9) 19.0 ppb (18) N/A N/A 5.8 μg/m3 (25) 25.0
 
May 11, 2021, 3 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 5.6 μg/m3 (24) 25.0
 
May 11, 2021, 2 a.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 5.5 μg/m3 (23) 25.0
 
May 11, 2021, 1 a.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A 5.1 μg/m3 (22) 28.0
 
May 11, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 39.0 ppb (37) N/A N/A 4.2 μg/m3 (18) 37.0
 
May 10, 2021, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 38.0 ppb (36) N/A N/A 4.4 μg/m3 (19) 36.0
 
May 10, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 3.9 μg/m3 (17) 35.0
 
May 10, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 2.0 ppb (3) 42.0 ppb (39) N/A N/A 4.4 μg/m3 (19) 39.0
 
May 10, 2021, 8 p.m. N/A N/A N/A 8.0 ppb (8) N/A 2.0 ppb (3) 40.0 ppb (38) N/A N/A 4.4 μg/m3 (19) 38.0
 
May 10, 2021, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 39.0 ppb (37) N/A N/A 4.1 μg/m3 (18) 37.0
 
May 10, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 39.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 37.0
 
May 10, 2021, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 4.4 μg/m3 (19) 32.0
 
May 10, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 5.1 μg/m3 (22) 29.0
 
May 10, 2021, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 30.0 ppb (28) N/A N/A 6.3 μg/m3 (27) 28.0
 
May 10, 2021, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) N/A N/A 6.7 μg/m3 (28) 33.0
 
May 10, 2021, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 6.7 μg/m3 (28) 32.0
 
May 10, 2021, noon N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 4.3 μg/m3 (18) 35.0
 
May 10, 2021, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 39.0 ppb (37) N/A N/A 4.8 μg/m3 (20) 37.0
 
May 10, 2021, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 41.0 ppb (38) N/A N/A 5.7 μg/m3 (24) 38.0
 
May 10, 2021, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 44.0 ppb (41) N/A N/A 6.0 μg/m3 (25) 41.0
 
May 10, 2021, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 46.0 ppb (43) N/A N/A 5.8 μg/m3 (25) 43.0
 
May 10, 2021, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 49.0 ppb (46) N/A N/A 5.8 μg/m3 (25) 46.0
 
May 10, 2021, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 50.0 ppb (47) N/A N/A 6.1 μg/m3 (26) 47.0
 
May 10, 2021, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 51.0 ppb (48) N/A N/A 5.9 μg/m3 (25) 48.0
 
May 10, 2021, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 53.0 ppb (50) N/A N/A 5.9 μg/m3 (25) 50.0
 
May 10, 2021, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 53.0 ppb (50) N/A N/A 6.0 μg/m3 (25) 50.0
 
May 10, 2021, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 54.0 ppb (50) N/A N/A 6.1 μg/m3 (26) 50.0
 
May 10, 2021, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 55.0 ppb (51) N/A N/A 5.9 μg/m3 (25) 51.0
 
May 10, 2021, midnight N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 55.0 ppb (51) N/A N/A 5.8 μg/m3 (25) 51.0
 
May 9, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 57.0 ppb (58) N/A N/A 5.6 μg/m3 (24) 58.0
 
May 9, 2021, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 57.0 ppb (58) N/A N/A 5.6 μg/m3 (24) 58.0
 
May 9, 2021, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 58.0 ppb (61) N/A N/A 5.6 μg/m3 (24) 61.0
 
May 9, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 58.0 ppb (61) N/A N/A 5.4 μg/m3 (23) 61.0
 
May 9, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 59.0 ppb (65) N/A N/A 5.5 μg/m3 (23) 65.0
 
May 9, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 59.0 ppb (65) N/A N/A 5.6 μg/m3 (24) 65.0
 
May 9, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 59.0 ppb (65) N/A N/A 5.8 μg/m3 (25) 65.0
 
May 9, 2021, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 58.0 ppb (61) N/A N/A 6.1 μg/m3 (26) 61.0
 
May 9, 2021, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 58.0 ppb (61) N/A N/A 6.3 μg/m3 (27) 61.0
 
May 9, 2021, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 57.0 ppb (58) N/A N/A 6.5 μg/m3 (28) 58.0
 
May 9, 2021, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 56.0 ppb (55) N/A N/A 6.5 μg/m3 (28) 55.0
 
May 9, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) 55.0 ppb (51) N/A N/A 6.6 μg/m3 (28) 51.0
 
May 9, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 54.0 ppb (50) N/A N/A 6.5 μg/m3 (28) 50.0
 
May 9, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 55.0 ppb (51) N/A N/A 6.1 μg/m3 (26) 51.0
 
May 9, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 6.0 μg/m3 (25) 51.0
 
May 9, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 5.8 μg/m3 (25) 51.0
 
May 9, 2021, 7 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) N/A N/A N/A 5.8 μg/m3 (25) 25.0
 
May 9, 2021, 6 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) N/A N/A N/A 5.7 μg/m3 (24) 24.0
 
May 9, 2021, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 55.0 ppb (51) N/A N/A 5.8 μg/m3 (25) 51.0
 
May 9, 2021, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 55.0 ppb (51) N/A N/A 5.7 μg/m3 (24) 51.0
 
May 9, 2021, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 55.0 ppb (51) N/A N/A 5.6 μg/m3 (24) 51.0
 
May 9, 2021, 2 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 52.0 ppb (49) N/A N/A 5.7 μg/m3 (24) 49.0
 
May 9, 2021, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 51.0 ppb (48) N/A N/A 5.7 μg/m3 (24) 48.0
 
May 9, 2021, midnight N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 52.0 ppb (49) N/A N/A 5.5 μg/m3 (23) 49.0
 
May 8, 2021, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 55.0 ppb (51) N/A N/A 5.4 μg/m3 (23) 51.0
 
May 8, 2021, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 56.0 ppb (55) N/A N/A 5.3 μg/m3 (23) 55.0
 
May 8, 2021, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 54.0 ppb (50) N/A N/A 5.3 μg/m3 (23) 50.0
 
May 8, 2021, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 55.0 ppb (51) N/A N/A 5.7 μg/m3 (24) 51.0
 
May 8, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 53.0 ppb (50) N/A N/A 5.8 μg/m3 (25) 50.0
 
May 8, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 52.0 ppb (49) N/A N/A 5.7 μg/m3 (24) 49.0
 
May 8, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 52.0 ppb (49) N/A N/A 5.8 μg/m3 (25) 49.0
 
May 8, 2021, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 51.0 ppb (48) N/A N/A 5.7 μg/m3 (24) 48.0
 
May 8, 2021, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 51.0 ppb (48) N/A N/A 5.9 μg/m3 (25) 48.0
 
May 8, 2021, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 50.0 ppb (47) N/A N/A 5.2 μg/m3 (22) 47.0
 
May 8, 2021, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 46.0 ppb (43) N/A N/A 5.0 μg/m3 (21) 43.0
 
May 8, 2021, noon N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 32.0 ppb (30) N/A N/A 6.1 μg/m3 (26) 30.0
 
May 8, 2021, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 7.1 μg/m3 (30) 30.0
 
May 8, 2021, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 7.0 μg/m3 (30) 30.0
 
May 8, 2021, 9 a.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 7.9 μg/m3 (33) 33.0
 
May 8, 2021, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 7.9 μg/m3 (33) 33.0
 
May 8, 2021, 7 a.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 9.7 μg/m3 (41) 41.0
 
May 8, 2021, 6 a.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 10.1 μg/m3 (43) 43.0
 
May 8, 2021, 5 a.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 9.7 μg/m3 (41) 41.0
 
May 8, 2021, 4 a.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 10.5 μg/m3 (44) 44.0
 
May 8, 2021, 3 a.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 12.6 μg/m3 (53) 53.0
 
May 8, 2021, 2 a.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 8.7 μg/m3 (37) 37.0
 
May 8, 2021, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 47.0 ppb (44) N/A N/A 5.8 μg/m3 (25) 44.0
 
May 8, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 52.0 ppb (49) N/A N/A 5.3 μg/m3 (23) 49.0
 
May 7, 2021, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 54.0 ppb (50) N/A N/A 5.6 μg/m3 (24) 50.0