ID: 1155

AQSQID: 100032004

Site Name: Mlk

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

Updated: May 25, 2022, 9:49 p.m.

Location: Wilmington (Justison Landing), DE

Reporting: True, Located: True

Current AQI: 37.0

Wilmington (Justison Landing) DE, US: 39.7394, -75.5581

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 25, 2022, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 39.0 ppb (37) 0.14 ppb (2) N/A 4.5 μg/m3 (19) 37.0
 
May 25, 2022, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 38.0 ppb (36) 0.15 ppb (2) N/A 4.8 μg/m3 (20) 36.0
 
May 25, 2022, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 38.0 ppb (36) 0.15 ppb (2) N/A 4.8 μg/m3 (20) 36.0
 
May 25, 2022, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.14 ppb (2) N/A 4.9 μg/m3 (21) 36.0
 
May 25, 2022, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.14 ppb (2) N/A 4.9 μg/m3 (21) 36.0
 
May 25, 2022, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.14 ppb (2) N/A 5.2 μg/m3 (22) 34.0
 
May 25, 2022, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.14 ppb (2) N/A 5.2 μg/m3 (22) 34.0
 
May 25, 2022, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.14 ppb (2) N/A 5.3 μg/m3 (23) 33.0
 
May 25, 2022, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.16 ppb (3) N/A 5.9 μg/m3 (25) 28.0
 
May 25, 2022, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.16 ppb (3) N/A 5.9 μg/m3 (25) 28.0
 
May 25, 2022, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 24.0 ppb (23) 0.17 ppb (3) N/A 6.1 μg/m3 (26) 26.0
 
May 25, 2022, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 22.0 ppb (21) 0.17 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
May 25, 2022, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (18) 0.14 ppb (2) N/A 5.7 μg/m3 (24) 24.0
 
May 25, 2022, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.1 ppb (2) N/A 4.1 μg/m3 (18) 25.0
 
May 25, 2022, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.11 ppb (2) N/A 3.8 μg/m3 (16) 25.0
 
May 25, 2022, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.12 ppb (2) N/A 4.5 μg/m3 (19) 23.0
 
May 25, 2022, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) 25.0 ppb (24) 0.12 ppb (2) N/A 4.7 μg/m3 (20) 24.0
 
May 24, 2022, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.12 ppb (2) N/A 3.8 μg/m3 (16) 30.0
 
May 24, 2022, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.13 ppb (2) N/A 4.0 μg/m3 (17) 32.0
 
May 24, 2022, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.15 ppb (2) N/A 4.2 μg/m3 (18) 31.0
 
May 24, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) 0.13 ppb (2) N/A 3.9 μg/m3 (17) 31.0
 
May 24, 2022, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.13 ppb (2) N/A 4.2 μg/m3 (18) 28.0
 
May 24, 2022, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.12 ppb (2) N/A 4.2 μg/m3 (18) 27.0
 
May 24, 2022, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.16 ppb (3) N/A 3.6 μg/m3 (16) 28.0
 
May 24, 2022, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.16 ppb (3) N/A 3.6 μg/m3 (16) 28.0
 
May 24, 2022, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.2 ppb (3) N/A 3.6 μg/m3 (16) 25.0
 
May 24, 2022, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.28 ppb (4) N/A 4.1 μg/m3 (18) 23.0
 
May 24, 2022, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.19 ppb (3) N/A 4.9 μg/m3 (21) 24.0
 
May 24, 2022, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.17 ppb (3) N/A 5.2 μg/m3 (22) 25.0
 
May 24, 2022, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.17 ppb (3) N/A 6.4 μg/m3 (27) 27.0
 
May 24, 2022, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.17 ppb (3) N/A 10.8 μg/m3 (46) 46.0
 
May 24, 2022, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.16 ppb (3) N/A 10.7 μg/m3 (45) 45.0
 
May 24, 2022, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.16 ppb (3) N/A 10.7 μg/m3 (45) 45.0
 
May 24, 2022, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.16 ppb (3) N/A 8.4 μg/m3 (36) 36.0
 
May 24, 2022, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.16 ppb (3) N/A 8.4 μg/m3 (36) 36.0
 
May 24, 2022, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.15 ppb (2) N/A 6.0 μg/m3 (25) 32.0
 
May 24, 2022, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.15 ppb (2) N/A 6.0 μg/m3 (25) 32.0
 
May 24, 2022, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.16 ppb (3) N/A 6.1 μg/m3 (26) 31.0
 
May 24, 2022, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.16 ppb (3) N/A 6.1 μg/m3 (26) 31.0
 
May 24, 2022, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.18 ppb (3) N/A 6.1 μg/m3 (26) 32.0
 
May 24, 2022, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.18 ppb (3) N/A 6.1 μg/m3 (26) 32.0
 
May 24, 2022, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.17 ppb (3) N/A 5.9 μg/m3 (25) 35.0
 
May 24, 2022, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.17 ppb (3) N/A 5.9 μg/m3 (25) 35.0
 
May 23, 2022, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.19 ppb (3) N/A 5.6 μg/m3 (24) 36.0
 
May 23, 2022, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.19 ppb (3) N/A 5.6 μg/m3 (24) 36.0
 
May 23, 2022, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.17 ppb (3) N/A 4.6 μg/m3 (20) 43.0
 
May 23, 2022, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.16 ppb (3) N/A 4.7 μg/m3 (20) 41.0
 
May 23, 2022, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.15 ppb (2) N/A 4.4 μg/m3 (19) 39.0
 
May 23, 2022, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.12 ppb (2) N/A 4.5 μg/m3 (19) 31.0
 
May 23, 2022, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 33.0 ppb (31) 0.12 ppb (2) N/A 3.8 μg/m3 (16) 31.0
 
May 23, 2022, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.12 ppb (2) N/A 3.3 μg/m3 (14) 25.0
 
May 23, 2022, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.1 ppb (2) N/A 3.1 μg/m3 (13) 27.0
 
May 23, 2022, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.1 ppb (2) N/A 3.1 μg/m3 (13) 27.0
 
May 23, 2022, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.09 ppb (2) N/A 3.1 μg/m3 (13) 28.0
 
May 23, 2022, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.14 ppb (2) N/A 10.2 μg/m3 (43) 43.0
 
May 23, 2022, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.14 ppb (2) N/A 10.3 μg/m3 (43) 43.0
 
May 23, 2022, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.14 ppb (2) N/A 9.1 μg/m3 (38) 38.0
 
May 23, 2022, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.17 ppb (3) N/A 9.1 μg/m3 (38) 38.0
 
May 22, 2022, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.15 ppb (2) N/A 9.4 μg/m3 (40) 40.0
 
May 22, 2022, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 54.0 ppb (50) 0.15 ppb (2) N/A 11.4 μg/m3 (48) 50.0
 
May 22, 2022, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (50) 0.14 ppb (2) N/A 11.4 μg/m3 (48) 50.0
 
May 22, 2022, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (50) 0.14 ppb (2) N/A 11.1 μg/m3 (47) 50.0
 
May 22, 2022, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (49) 0.13 ppb (2) N/A 11.1 μg/m3 (47) 49.0
 
May 22, 2022, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (49) 0.13 ppb (2) N/A 11.8 μg/m3 (50) 50.0
 
May 22, 2022, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (46) 0.14 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
May 22, 2022, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.14 ppb (2) N/A 12.3 μg/m3 (52) 52.0
 
May 22, 2022, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.14 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
May 22, 2022, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.12 ppb (2) N/A 11.9 μg/m3 (50) 50.0
 
May 22, 2022, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.12 ppb (2) N/A 11.9 μg/m3 (50) 50.0
 
May 22, 2022, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.11 ppb (2) N/A 10.7 μg/m3 (45) 45.0
 
May 22, 2022, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.11 ppb (2) N/A 10.1 μg/m3 (43) 43.0
 
May 22, 2022, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.11 ppb (2) N/A 10.4 μg/m3 (44) 44.0
 
May 22, 2022, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.1 ppb (2) N/A 10.9 μg/m3 (46) 46.0
 
May 22, 2022, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.13 ppb (2) N/A 12.4 μg/m3 (52) 52.0
 
May 22, 2022, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.15 ppb (2) N/A 14.2 μg/m3 (56) 56.0
 
May 22, 2022, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.2 ppb (3) N/A 15.2 μg/m3 (58) 58.0
 
May 22, 2022, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 29.0 ppb (27) 0.26 ppb (4) N/A 16.3 μg/m3 (60) 60.0
 
May 22, 2022, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 29.0 ppb (27) 0.3 ppb (4) N/A 17.5 μg/m3 (63) 63.0
 
May 22, 2022, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 40.0 ppb (38) 0.23 ppb (3) N/A 16.7 μg/m3 (61) 61.0
 
May 22, 2022, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (46) 0.18 ppb (3) N/A 15.6 μg/m3 (59) 59.0
 
May 21, 2022, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (51) 0.17 ppb (3) N/A 15.2 μg/m3 (58) 58.0
 
May 21, 2022, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 69.0 ppb (97) 0.15 ppb (2) N/A 15.1 μg/m3 (58) 97.0
 
May 21, 2022, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 64.0 ppb (81) 0.13 ppb (2) N/A 14.8 μg/m3 (57) 81.0
 
May 21, 2022, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (58) 0.12 ppb (2) N/A 14.1 μg/m3 (56) 58.0
 
May 21, 2022, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 59.0 ppb (65) 0.13 ppb (2) N/A 15.9 μg/m3 (59) 65.0
 
May 21, 2022, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 64.0 ppb (81) 0.14 ppb (2) N/A 16.8 μg/m3 (61) 81.0
 
May 21, 2022, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 66.0 ppb (87) 0.15 ppb (2) N/A 17.3 μg/m3 (62) 87.0
 
May 21, 2022, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 61.0 ppb (71) 0.15 ppb (2) N/A 16.5 μg/m3 (61) 71.0
 
May 21, 2022, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (50) 0.19 ppb (3) N/A 19.0 μg/m3 (66) 66.0
 
May 21, 2022, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.29 ppb (4) N/A 21.9 μg/m3 (72) 72.0
 
May 21, 2022, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.29 ppb (4) N/A 20.8 μg/m3 (70) 70.0
 
May 21, 2022, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.29 ppb (4) N/A 20.8 μg/m3 (70) 70.0
 
May 21, 2022, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (13) 0.34 ppb (4) N/A 21.8 μg/m3 (72) 72.0
 
May 21, 2022, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 3.0 ppb (3) 0.34 ppb (4) N/A 22.3 μg/m3 (73) 73.0
 
May 21, 2022, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 2.0 ppb (2) 0.32 ppb (4) N/A 23.2 μg/m3 (75) 75.0
 
May 21, 2022, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.36 ppb (5) N/A 22.1 μg/m3 (73) 73.0
 
May 21, 2022, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.33 ppb (4) N/A 21.3 μg/m3 (71) 71.0
 
May 21, 2022, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.27 ppb (4) N/A 20.2 μg/m3 (69) 69.0
 
May 21, 2022, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.27 ppb (4) N/A 18.8 μg/m3 (66) 66.0
 
May 21, 2022, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.3 ppb (4) N/A 18.4 μg/m3 (65) 65.0
 
May 21, 2022, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.32 ppb (4) N/A 17.2 μg/m3 (62) 62.0
 
May 20, 2022, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.24 ppb (3) N/A 17.3 μg/m3 (62) 62.0
 
May 20, 2022, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.17 ppb (3) N/A 16.4 μg/m3 (61) 61.0
 
May 20, 2022, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (45) 0.16 ppb (3) N/A 16.3 μg/m3 (60) 60.0
 
May 20, 2022, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (50) 0.14 ppb (2) N/A 14.1 μg/m3 (56) 56.0
 
May 20, 2022, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (51) 0.12 ppb (2) N/A 12.2 μg/m3 (52) 52.0
 
May 20, 2022, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (55) 0.08 ppb (2) N/A 10.0 μg/m3 (42) 55.0
 
May 20, 2022, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 55.0 ppb (51) 0.09 ppb (2) N/A 11.6 μg/m3 (49) 51.0
 
May 20, 2022, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 44.0 ppb (41) 0.15 ppb (2) N/A 14.8 μg/m3 (57) 57.0
 
May 20, 2022, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 33.0 ppb (31) 0.16 ppb (3) N/A 15.6 μg/m3 (59) 59.0
 
May 20, 2022, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 17.0 ppb (16) 0.28 ppb (4) N/A 16.1 μg/m3 (60) 60.0
 
May 20, 2022, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 8.0 ppb (8) 0.3 ppb (4) N/A 14.8 μg/m3 (57) 57.0
 
May 20, 2022, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 2.0 ppb (2) 0.39 ppb (5) N/A 14.5 μg/m3 (57) 57.0
 
May 20, 2022, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.28 ppb (4) N/A 13.8 μg/m3 (55) 55.0
 
May 20, 2022, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 3.0 ppb (3) 0.25 ppb (3) N/A 13.9 μg/m3 (55) 55.0
 
May 20, 2022, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.34 ppb (4) N/A 15.7 μg/m3 (59) 59.0
 
May 20, 2022, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.55 ppb (7) N/A 15.3 μg/m3 (58) 58.0
 
May 20, 2022, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.56 ppb (7) N/A 15.7 μg/m3 (59) 59.0
 
May 20, 2022, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.6 ppb (7) N/A 14.5 μg/m3 (57) 57.0
 
May 20, 2022, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 2.0 ppb (2) 0.71 ppb (8) N/A 14.7 μg/m3 (57) 57.0
 
May 20, 2022, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 4.0 ppb (4) 0.75 ppb (10) N/A 16.6 μg/m3 (61) 61.0
 
May 20, 2022, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.48 ppb (6) N/A 13.1 μg/m3 (54) 54.0
 
May 20, 2022, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.48 ppb (6) N/A 13.1 μg/m3 (54) 54.0
 
May 20, 2022, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.27 ppb (4) N/A 8.9 μg/m3 (38) 38.0
 
May 20, 2022, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.27 ppb (4) N/A 8.9 μg/m3 (38) 38.0
 
May 19, 2022, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (45) 0.18 ppb (3) N/A 8.3 μg/m3 (35) 45.0
 
May 19, 2022, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (48) 0.2 ppb (3) N/A 8.5 μg/m3 (36) 48.0
 
May 19, 2022, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (49) 0.2 ppb (3) N/A 8.3 μg/m3 (35) 49.0
 
May 19, 2022, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (46) 0.19 ppb (3) N/A 8.0 μg/m3 (34) 46.0
 
May 19, 2022, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (46) 0.18 ppb (3) N/A 9.1 μg/m3 (38) 46.0
 
May 19, 2022, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (46) 0.18 ppb (3) N/A 9.1 μg/m3 (38) 46.0
 
May 19, 2022, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.18 ppb (3) N/A 10.7 μg/m3 (45) 45.0
 
May 19, 2022, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.19 ppb (3) N/A 7.7 μg/m3 (33) 33.0
 
May 19, 2022, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (13) 0.18 ppb (3) N/A 5.4 μg/m3 (23) 23.0
 
May 19, 2022, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.18 ppb (3) N/A 5.4 μg/m3 (23) 23.0
 
May 19, 2022, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.28 ppb (4) N/A 5.1 μg/m3 (22) 22.0
 
May 19, 2022, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.2 ppb (3) N/A 4.7 μg/m3 (20) 22.0
 
May 19, 2022, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.17 ppb (3) N/A 4.3 μg/m3 (18) 27.0
 
May 19, 2022, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.16 ppb (3) N/A 4.0 μg/m3 (17) 29.0
 
May 18, 2022, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 43.0 ppb (40) 0.2 ppb (3) N/A 3.9 μg/m3 (17) 40.0
 
May 18, 2022, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.18 ppb (3) N/A 3.3 μg/m3 (14) 40.0
 
May 18, 2022, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.17 ppb (3) N/A 3.2 μg/m3 (14) 42.0
 
May 18, 2022, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.16 ppb (3) N/A 3.2 μg/m3 (14) 42.0
 
May 18, 2022, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.15 ppb (2) N/A 3.5 μg/m3 (15) 41.0
 
May 18, 2022, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.18 ppb (3) N/A 3.8 μg/m3 (16) 37.0
 
May 18, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) 0.15 ppb (2) N/A 4.7 μg/m3 (20) 32.0
 
May 18, 2022, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.15 ppb (2) N/A 4.7 μg/m3 (20) 32.0
 
May 18, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.15 ppb (2) N/A 3.8 μg/m3 (16) 26.0
 
May 18, 2022, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.15 ppb (2) N/A 3.8 μg/m3 (16) 26.0
 
May 18, 2022, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.15 ppb (2) N/A 3.5 μg/m3 (15) 23.0
 
May 18, 2022, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.15 ppb (2) N/A 3.5 μg/m3 (15) 23.0
 
May 18, 2022, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.16 ppb (3) N/A 3.3 μg/m3 (14) 19.0
 
May 18, 2022, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.16 ppb (3) N/A 3.3 μg/m3 (14) 19.0
 
May 18, 2022, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.16 ppb (3) N/A 3.4 μg/m3 (15) 17.0
 
May 18, 2022, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.16 ppb (3) N/A 3.4 μg/m3 (15) 17.0
 
May 18, 2022, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (15) 0.19 ppb (3) N/A 3.6 μg/m3 (16) 16.0
 
May 18, 2022, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (13) 0.21 ppb (3) N/A 3.6 μg/m3 (16) 16.0
 
May 18, 2022, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.16 ppb (3) N/A 3.5 μg/m3 (15) 25.0
 
May 18, 2022, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.19 ppb (3) N/A 4.3 μg/m3 (18) 28.0
 
May 18, 2022, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.19 ppb (3) N/A 5.0 μg/m3 (21) 34.0
 
May 17, 2022, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.16 ppb (3) N/A 5.9 μg/m3 (25) 42.0
 
May 17, 2022, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (51) 0.16 ppb (3) N/A 7.2 μg/m3 (31) 51.0
 
May 17, 2022, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 58.0 ppb (61) 0.14 ppb (2) N/A 6.7 μg/m3 (28) 61.0
 
May 17, 2022, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 58.0 ppb (61) 0.14 ppb (2) N/A 6.7 μg/m3 (28) 61.0
 
May 17, 2022, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (58) 0.15 ppb (2) N/A 7.0 μg/m3 (30) 58.0
 
May 17, 2022, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (55) 0.14 ppb (2) N/A 6.5 μg/m3 (28) 55.0
 
May 17, 2022, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (55) 0.14 ppb (2) N/A 6.5 μg/m3 (28) 55.0
 
May 17, 2022, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (58) 0.13 ppb (2) N/A 7.1 μg/m3 (30) 58.0