ID: 2350

AQSQID: 800090061

Site Name: Iztacalco

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

Updated: May 21, 2022, 2:27 a.m.

Location: Mexico City (Guillermo Prieto), MX

Reporting: True, Located: True

Current AQI: 109.0

Mexico City (Guillermo Prieto) MX, MX: 19.3844, -99.1176

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 21, 2022, midnight N/A N/A N/A 25.0 ppb (24) N/A 2.0 ppb (3) 85.0 ppb (109) 0.7 ppb (8) 45.0 μg/m3 (42) N/A 109.0
 
May 20, 2022, 11 p.m. N/A N/A N/A 17.0 ppb (17) N/A 2.0 ppb (3) 115.0 ppb (125) 0.4 ppb (5) 33.0 μg/m3 (31) N/A 125.0
 
May 20, 2022, 10 p.m. N/A N/A N/A 14.0 ppb (14) N/A 2.0 ppb (3) 122.0 ppb (128) 0.3 ppb (4) 38.0 μg/m3 (36) N/A 128.0
 
May 20, 2022, 9 p.m. N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) 128.0 ppb (132) 0.4 ppb (5) 40.0 μg/m3 (38) N/A 132.0
 
May 20, 2022, 8 p.m. N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) 129.0 ppb (132) 0.4 ppb (5) 44.0 μg/m3 (41) N/A 132.0
 
May 20, 2022, 7 p.m. N/A N/A N/A 22.0 ppb (21) N/A 2.0 ppb (3) 108.0 ppb (121) 0.5 ppb (6) 46.0 μg/m3 (43) N/A 121.0
 
May 20, 2022, 6 p.m. N/A N/A N/A 27.0 ppb (26) N/A 2.0 ppb (3) 99.0 ppb (116) 0.6 ppb (7) 62.0 μg/m3 (55) N/A 116.0
 
May 20, 2022, 5 p.m. N/A N/A N/A 37.0 ppb (35) N/A 2.0 ppb (3) 75.0 ppb (104) 0.7 ppb (8) 66.0 μg/m3 (57) N/A 104.0
 
May 20, 2022, 4 p.m. N/A N/A N/A 63.0 ppb (61) N/A 2.0 ppb (3) 38.0 ppb (36) 1.2 ppb (14) 44.0 μg/m3 (41) N/A 61.0
 
May 20, 2022, 3 p.m. N/A N/A N/A 45.0 ppb (43) N/A 1.0 ppb (2) 28.0 ppb (26) 0.9 ppb (11) 56.0 μg/m3 (52) N/A 52.0
 
May 20, 2022, 2 p.m. N/A N/A N/A 45.0 ppb (43) N/A 1.0 ppb (2) 15.0 ppb (14) 1.1 ppb (13) 68.0 μg/m3 (58) N/A 58.0
 
May 20, 2022, 1 p.m. N/A N/A N/A 52.0 ppb (50) N/A 1.0 ppb (2) 8.0 ppb (8) 1.2 ppb (14) 59.0 μg/m3 (53) N/A 53.0
 
May 20, 2022, 11 a.m. N/A N/A N/A 36.0 ppb (34) N/A 1.0 ppb (2) 19.0 ppb (18) 0.6 ppb (7) 36.0 μg/m3 (34) N/A 34.0
 
May 20, 2022, 10 a.m. N/A N/A N/A 24.0 ppb (23) N/A 1.0 ppb (2) 32.0 ppb (30) 0.4 ppb (5) 26.0 μg/m3 (25) N/A 30.0
 
May 20, 2022, 9 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 40.0 ppb (38) 0.2 ppb (3) 24.0 μg/m3 (23) N/A 38.0
 
May 20, 2022, 8 a.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 45.0 ppb (42) 0.2 ppb (3) 33.0 μg/m3 (31) N/A 42.0
 
May 20, 2022, 7 a.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 43.0 ppb (40) 0.2 ppb (3) N/A N/A 40.0
 
May 20, 2022, 6 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 46.0 ppb (43) 0.2 ppb (3) 50.0 μg/m3 (47) N/A 47.0
 
May 20, 2022, 5 a.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 48.0 ppb (45) 0.3 ppb (4) 50.0 μg/m3 (47) N/A 47.0
 
May 20, 2022, 4 a.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 46.0 ppb (43) 0.5 ppb (6) 71.0 μg/m3 (59) N/A 59.0
 
May 20, 2022, 3 a.m. N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) 63.0 ppb (78) 0.8 ppb (10) 68.0 μg/m3 (58) N/A 78.0
 
May 20, 2022, 2 a.m. N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) 67.0 ppb (91) 0.7 ppb (8) 73.0 μg/m3 (60) N/A 91.0
 
May 20, 2022, 1 a.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 76.0 ppb (104) 0.6 ppb (7) 31.0 μg/m3 (29) N/A 104.0
 
May 20, 2022, 1 a.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 76.0 ppb (104) 0.6 ppb (7) 31.0 μg/m3 (29) N/A 104.0
 
May 20, 2022, midnight N/A N/A N/A 13.0 ppb (13) N/A 2.0 ppb (3) 88.0 ppb (110) 0.3 ppb (4) 25.0 μg/m3 (24) N/A 110.0
 
May 20, 2022, midnight N/A N/A N/A 13.0 ppb (13) N/A 2.0 ppb (3) 88.0 ppb (110) 0.3 ppb (4) 25.0 μg/m3 (24) N/A 110.0
 
May 19, 2022, 11 p.m. N/A N/A N/A 17.0 ppb (17) N/A 2.0 ppb (3) 91.0 ppb (112) 0.2 ppb (3) 38.0 μg/m3 (36) N/A 112.0
 
May 19, 2022, 10 p.m. N/A N/A N/A 15.0 ppb (15) N/A 3.0 ppb (5) 129.0 ppb (132) 0.3 ppb (4) 36.0 μg/m3 (34) N/A 132.0
 
May 19, 2022, 9 p.m. N/A N/A N/A 17.0 ppb (17) N/A 3.0 ppb (5) 122.0 ppb (128) 0.3 ppb (4) 27.0 μg/m3 (25) N/A 128.0
 
May 19, 2022, 8 p.m. N/A N/A N/A 18.0 ppb (17) N/A 4.0 ppb (6) 108.0 ppb (121) 0.3 ppb (4) 45.0 μg/m3 (42) N/A 121.0
 
May 19, 2022, 7 p.m. N/A N/A N/A 19.0 ppb (18) N/A 4.0 ppb (6) 84.0 ppb (108) 0.3 ppb (4) 39.0 μg/m3 (37) N/A 108.0
 
May 19, 2022, 7 p.m. N/A N/A N/A 19.0 ppb (18) N/A 4.0 ppb (6) 84.0 ppb (108) 0.3 ppb (4) 39.0 μg/m3 (37) N/A 108.0
 
May 19, 2022, 5 p.m. N/A N/A N/A 21.0 ppb (20) N/A 10.0 ppb (15) 71.0 ppb (101) 0.3 ppb (4) N/A N/A 101.0
 
May 19, 2022, 3 p.m. N/A N/A N/A 31.0 ppb (30) N/A 11.0 ppb (16) 31.0 ppb (29) 0.7 ppb (8) 65.0 μg/m3 (56) N/A 56.0
 
May 19, 2022, 3 p.m. N/A N/A N/A 31.0 ppb (30) N/A 11.0 ppb (16) 31.0 ppb (29) 0.7 ppb (8) 65.0 μg/m3 (56) N/A 56.0
 
May 19, 2022, 3 p.m. N/A N/A N/A 31.0 ppb (30) N/A 11.0 ppb (16) 31.0 ppb (29) 0.7 ppb (8) 65.0 μg/m3 (56) N/A 56.0
 
May 19, 2022, 3 p.m. N/A N/A N/A 31.0 ppb (30) N/A 11.0 ppb (16) 31.0 ppb (29) 0.7 ppb (8) 65.0 μg/m3 (56) N/A 56.0
 
May 19, 2022, 3 p.m. N/A N/A N/A 31.0 ppb (30) N/A 11.0 ppb (16) 31.0 ppb (29) 0.7 ppb (8) 65.0 μg/m3 (56) N/A 56.0
 
May 19, 2022, 3 p.m. N/A N/A N/A 31.0 ppb (30) N/A 11.0 ppb (16) 31.0 ppb (29) 0.7 ppb (8) 65.0 μg/m3 (56) N/A 56.0
 
May 19, 2022, 3 p.m. N/A N/A N/A 31.0 ppb (30) N/A 11.0 ppb (16) 31.0 ppb (29) 0.7 ppb (8) 65.0 μg/m3 (56) N/A 56.0
 
May 19, 2022, 2 p.m. N/A N/A N/A 43.0 ppb (41) N/A 7.0 ppb (10) 10.0 ppb (10) 1.4 ppb (16) 72.0 μg/m3 (60) N/A 60.0
 
May 19, 2022, 6 a.m. N/A N/A N/A 32.0 ppb (31) N/A 1.0 ppb (2) 23.0 ppb (22) 0.5 ppb (6) 45.0 μg/m3 (42) N/A 42.0
 
May 19, 2022, 5 a.m. N/A N/A N/A 38.0 ppb (36) N/A 1.0 ppb (2) 19.0 ppb (18) 0.7 ppb (8) 65.0 μg/m3 (56) N/A 56.0
 
May 19, 2022, 4 a.m. N/A N/A N/A 29.0 ppb (28) N/A 1.0 ppb (2) 43.0 ppb (40) 1.0 ppb (12) 73.0 μg/m3 (60) N/A 60.0
 
May 19, 2022, 3 a.m. N/A N/A N/A 25.0 ppb (24) N/A 2.0 ppb (3) 58.0 ppb (61) 0.9 ppb (11) 62.0 μg/m3 (55) N/A 61.0
 
May 19, 2022, 2 a.m. N/A N/A N/A 27.0 ppb (26) N/A 2.0 ppb (3) 59.0 ppb (65) 0.8 ppb (10) 43.0 μg/m3 (40) N/A 65.0
 
May 19, 2022, 1 a.m. N/A N/A N/A 17.0 ppb (17) N/A 3.0 ppb (5) 67.0 ppb (91) 0.6 ppb (7) 40.0 μg/m3 (38) N/A 91.0
 
May 18, 2022, 11 p.m. N/A N/A N/A 11.0 ppb (11) N/A 4.0 ppb (6) 77.0 ppb (105) 0.3 ppb (4) 40.0 μg/m3 (38) N/A 105.0
 
May 18, 2022, 10 p.m. N/A N/A N/A 9.0 ppb (9) N/A 7.0 ppb (10) 86.0 ppb (109) 0.3 ppb (4) 33.0 μg/m3 (31) N/A 109.0
 
May 18, 2022, 9 p.m. N/A N/A N/A 12.0 ppb (12) N/A 5.0 ppb (8) 86.0 ppb (109) 0.3 ppb (4) 35.0 μg/m3 (33) N/A 109.0
 
May 18, 2022, 8 p.m. N/A N/A N/A 15.0 ppb (15) N/A 3.0 ppb (5) 82.0 ppb (107) 0.4 ppb (5) 48.0 μg/m3 (45) N/A 107.0
 
May 18, 2022, 7 p.m. N/A N/A N/A 28.0 ppb (27) N/A 5.0 ppb (8) 93.0 ppb (113) 0.6 ppb (7) 43.0 μg/m3 (40) N/A 113.0
 
May 18, 2022, 5 p.m. N/A N/A N/A 53.0 ppb (50) N/A 7.0 ppb (10) 68.0 ppb (94) 1.0 ppb (12) 64.0 μg/m3 (56) N/A 94.0
 
May 18, 2022, 4 p.m. N/A N/A N/A 44.0 ppb (42) N/A 10.0 ppb (15) 50.0 ppb (47) 0.9 ppb (11) 47.0 μg/m3 (44) N/A 47.0
 
May 18, 2022, 4 p.m. N/A N/A N/A 44.0 ppb (42) N/A 10.0 ppb (15) 50.0 ppb (47) 0.9 ppb (11) 47.0 μg/m3 (44) N/A 47.0
 
May 18, 2022, 3 p.m. N/A N/A N/A 40.0 ppb (38) N/A 5.0 ppb (8) 23.0 ppb (22) 0.9 ppb (11) 62.0 μg/m3 (55) N/A 55.0
 
May 18, 2022, 3 p.m. N/A N/A N/A 40.0 ppb (38) N/A 5.0 ppb (8) 23.0 ppb (22) 0.9 ppb (11) 62.0 μg/m3 (55) N/A 55.0
 
May 18, 2022, 2 p.m. N/A N/A N/A 48.0 ppb (46) N/A 2.0 ppb (3) 6.0 ppb (6) 1.8 ppb (21) 57.0 μg/m3 (52) N/A 52.0
 
May 18, 2022, 2 p.m. N/A N/A N/A 48.0 ppb (46) N/A 2.0 ppb (3) 6.0 ppb (6) 1.8 ppb (21) 57.0 μg/m3 (52) N/A 52.0
 
May 18, 2022, 1 p.m. N/A N/A N/A 47.0 ppb (45) N/A 2.0 ppb (3) 2.0 ppb (2) 1.7 ppb (20) 46.0 μg/m3 (43) N/A 45.0
 
May 18, 2022, 1 p.m. N/A N/A N/A 47.0 ppb (45) N/A 2.0 ppb (3) 2.0 ppb (2) 1.7 ppb (20) 46.0 μg/m3 (43) N/A 45.0
 
May 18, 2022, noon N/A N/A N/A 47.0 ppb (45) N/A 1.0 ppb (2) 2.0 ppb (2) 1.3 ppb (15) 45.0 μg/m3 (42) N/A 45.0
 
May 18, 2022, noon N/A N/A N/A 47.0 ppb (45) N/A 1.0 ppb (2) 2.0 ppb (2) 1.3 ppb (15) 45.0 μg/m3 (42) N/A 45.0
 
May 18, 2022, 11 a.m. N/A N/A N/A 47.0 ppb (45) N/A 1.0 ppb (2) 3.0 ppb (3) 0.9 ppb (11) 40.0 μg/m3 (38) N/A 45.0
 
May 18, 2022, 10 a.m. N/A N/A N/A 46.0 ppb (44) N/A 1.0 ppb (2) 4.0 ppb (4) 0.5 ppb (6) 46.0 μg/m3 (43) N/A 44.0
 
May 18, 2022, 2 a.m. N/A N/A N/A 25.0 ppb (24) N/A 1.0 ppb (2) 44.0 ppb (41) 0.6 ppb (7) 40.0 μg/m3 (38) N/A 41.0
 
May 18, 2022, 1 a.m. N/A N/A N/A 15.0 ppb (15) N/A 2.0 ppb (3) 66.0 ppb (87) 0.5 ppb (6) 37.0 μg/m3 (35) N/A 87.0
 
May 18, 2022, midnight N/A N/A N/A 12.0 ppb (12) N/A 5.0 ppb (8) 78.0 ppb (105) 0.4 ppb (5) 27.0 μg/m3 (25) N/A 105.0
 
May 17, 2022, 11 p.m. N/A N/A N/A 9.0 ppb (9) N/A 7.0 ppb (10) 84.0 ppb (108) 0.3 ppb (4) 33.0 μg/m3 (31) N/A 108.0
 
May 17, 2022, 10 p.m. N/A N/A N/A 13.0 ppb (13) N/A 2.0 ppb (3) 80.0 ppb (106) 0.4 ppb (5) 32.0 μg/m3 (30) N/A 106.0
 
May 17, 2022, 9 p.m. N/A N/A N/A 14.0 ppb (14) N/A 2.0 ppb (3) 97.0 ppb (115) 0.4 ppb (5) 31.0 μg/m3 (29) N/A 115.0
 
May 17, 2022, 9 p.m. N/A N/A N/A 14.0 ppb (14) N/A 2.0 ppb (3) 97.0 ppb (115) 0.4 ppb (5) 31.0 μg/m3 (29) N/A 115.0
 
May 17, 2022, 8 p.m. N/A N/A N/A 16.0 ppb (16) N/A 2.0 ppb (3) 98.0 ppb (116) 0.4 ppb (5) 28.0 μg/m3 (26) N/A 116.0
 
May 17, 2022, 7 p.m. N/A N/A N/A 21.0 ppb (20) N/A 2.0 ppb (3) 91.0 ppb (112) 0.5 ppb (6) 49.0 μg/m3 (46) N/A 112.0
 
May 17, 2022, 7 p.m. N/A N/A N/A 21.0 ppb (20) N/A 2.0 ppb (3) 91.0 ppb (112) 0.5 ppb (6) 49.0 μg/m3 (46) N/A 112.0
 
May 17, 2022, 6 p.m. N/A N/A N/A 27.0 ppb (26) N/A 2.0 ppb (3) 78.0 ppb (105) 0.6 ppb (7) 50.0 μg/m3 (47) N/A 105.0
 
May 17, 2022, 6 p.m. N/A N/A N/A 27.0 ppb (26) N/A 2.0 ppb (3) 78.0 ppb (105) 0.6 ppb (7) 50.0 μg/m3 (47) N/A 105.0
 
May 17, 2022, 5 p.m. N/A N/A N/A 35.0 ppb (34) N/A 2.0 ppb (3) 68.0 ppb (94) 0.7 ppb (8) 58.0 μg/m3 (53) N/A 94.0
 
May 17, 2022, 5 p.m. N/A N/A N/A 35.0 ppb (34) N/A 2.0 ppb (3) 68.0 ppb (94) 0.7 ppb (8) 58.0 μg/m3 (53) N/A 94.0
 
May 17, 2022, 4 p.m. N/A N/A N/A 49.0 ppb (47) N/A 1.0 ppb (2) 40.0 ppb (38) 1.0 ppb (12) 41.0 μg/m3 (38) N/A 47.0
 
May 17, 2022, 4 p.m. N/A N/A N/A 49.0 ppb (47) N/A 1.0 ppb (2) 40.0 ppb (38) 1.0 ppb (12) 41.0 μg/m3 (38) N/A 47.0
 
May 17, 2022, 3 p.m. N/A N/A N/A 44.0 ppb (42) N/A 1.0 ppb (2) 23.0 ppb (22) 1.0 ppb (12) 54.0 μg/m3 (50) N/A 50.0
 
May 17, 2022, 3 p.m. N/A N/A N/A 44.0 ppb (42) N/A 1.0 ppb (2) 23.0 ppb (22) 1.0 ppb (12) 54.0 μg/m3 (50) N/A 50.0
 
May 17, 2022, 2 p.m. N/A N/A N/A 43.0 ppb (41) N/A 2.0 ppb (3) 9.0 ppb (9) 1.4 ppb (16) 64.0 μg/m3 (56) N/A 56.0
 
May 17, 2022, noon N/A N/A N/A 44.0 ppb (42) N/A 2.0 ppb (3) 2.0 ppb (2) 1.5 ppb (18) 48.0 μg/m3 (45) N/A 45.0
 
May 17, 2022, noon N/A N/A N/A 44.0 ppb (42) N/A 2.0 ppb (3) 2.0 ppb (2) 1.5 ppb (18) 48.0 μg/m3 (45) N/A 45.0
 
May 17, 2022, 10 a.m. N/A N/A N/A 23.0 ppb (22) N/A 6.0 ppb (9) 22.0 ppb (21) 0.3 ppb (4) 44.0 μg/m3 (41) N/A 41.0
 
May 17, 2022, 10 a.m. N/A N/A N/A 23.0 ppb (22) N/A 6.0 ppb (9) 22.0 ppb (21) 0.3 ppb (4) 44.0 μg/m3 (41) N/A 41.0
 
May 17, 2022, 9 a.m. N/A N/A N/A 25.0 ppb (24) N/A 4.0 ppb (6) 20.0 ppb (19) 0.3 ppb (4) 46.0 μg/m3 (43) N/A 43.0
 
May 17, 2022, 8 a.m. N/A N/A N/A 29.0 ppb (28) N/A 3.0 ppb (5) 17.0 ppb (16) 0.3 ppb (4) 34.0 μg/m3 (32) N/A 32.0
 
May 17, 2022, 5 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 32.0 ppb (30) 0.4 ppb (5) 45.0 μg/m3 (42) N/A 42.0
 
May 17, 2022, 4 a.m. N/A N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 30.0 ppb (28) 0.6 ppb (7) 49.0 μg/m3 (46) N/A 46.0
 
May 17, 2022, 3 a.m. N/A N/A N/A 24.0 ppb (23) N/A 1.0 ppb (2) 29.0 ppb (27) 0.6 ppb (7) 49.0 μg/m3 (46) N/A 46.0
 
May 17, 2022, 2 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 40.0 ppb (38) 0.6 ppb (7) 29.0 μg/m3 (27) N/A 38.0
 
May 17, 2022, 1 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 57.0 ppb (58) 0.5 ppb (6) 20.0 μg/m3 (19) N/A 58.0
 
May 17, 2022, midnight N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 72.0 ppb (102) 0.4 ppb (5) 11.0 μg/m3 (11) N/A 102.0
 
May 16, 2022, 11 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 69.0 ppb (97) 0.2 ppb (3) 11.0 μg/m3 (11) N/A 97.0
 
May 16, 2022, 10 p.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 64.0 ppb (81) 0.3 ppb (4) 25.0 μg/m3 (24) N/A 81.0
 
May 16, 2022, 9 p.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 66.0 ppb (87) 0.3 ppb (4) 37.0 μg/m3 (35) N/A 87.0
 
May 16, 2022, 8 p.m. N/A N/A N/A 28.0 ppb (27) N/A 2.0 ppb (3) 90.0 ppb (112) 0.5 ppb (6) 27.0 μg/m3 (25) N/A 112.0
 
May 16, 2022, 7 p.m. N/A N/A N/A 34.0 ppb (33) N/A 2.0 ppb (3) 81.0 ppb (107) 0.6 ppb (7) 16.0 μg/m3 (15) N/A 107.0
 
May 16, 2022, 6 p.m. N/A N/A N/A 30.0 ppb (29) N/A 1.0 ppb (2) 59.0 ppb (65) 0.5 ppb (6) 27.0 μg/m3 (25) N/A 65.0
 
May 16, 2022, 5 p.m. N/A N/A N/A 25.0 ppb (24) N/A 1.0 ppb (2) 56.0 ppb (55) 0.4 ppb (5) 41.0 μg/m3 (38) N/A 55.0
 
May 16, 2022, 4 p.m. N/A N/A N/A 39.0 ppb (37) N/A 2.0 ppb (3) 34.0 ppb (32) 0.8 ppb (10) 54.0 μg/m3 (50) N/A 50.0
 
May 16, 2022, 3 p.m. N/A N/A N/A 49.0 ppb (47) N/A 3.0 ppb (5) 15.0 ppb (14) 1.1 ppb (13) 54.0 μg/m3 (50) N/A 50.0
 
May 16, 2022, 2 p.m. N/A N/A N/A 49.0 ppb (47) N/A 3.0 ppb (5) 4.0 ppb (4) 1.8 ppb (21) 38.0 μg/m3 (36) N/A 47.0
 
May 16, 2022, 1 p.m. N/A N/A N/A 45.0 ppb (43) N/A 3.0 ppb (5) 2.0 ppb (2) 1.5 ppb (18) 34.0 μg/m3 (32) N/A 43.0
 
May 16, 2022, 6 a.m. N/A N/A N/A 26.0 ppb (25) N/A 0.0 ppb (0) 25.0 ppb (24) 0.4 ppb (5) 30.0 μg/m3 (28) N/A 28.0
 
May 16, 2022, 5 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 32.0 ppb (30) 0.4 ppb (5) 32.0 μg/m3 (30) N/A 30.0
 
May 16, 2022, 4 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 33.0 ppb (31) 0.5 ppb (6) 54.0 μg/m3 (50) N/A 50.0
 
May 16, 2022, 3 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 36.0 ppb (34) 0.5 ppb (6) 35.0 μg/m3 (33) N/A 34.0
 
May 16, 2022, 2 a.m. N/A N/A N/A 17.0 ppb (17) N/A 0.0 ppb (0) 39.0 ppb (37) 0.5 ppb (6) 25.0 μg/m3 (24) N/A 37.0
 
May 16, 2022, 2 a.m. N/A N/A N/A 17.0 ppb (17) N/A 0.0 ppb (0) 39.0 ppb (37) 0.5 ppb (6) 25.0 μg/m3 (24) N/A 37.0
 
May 16, 2022, 1 a.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 53.0 ppb (50) 0.4 ppb (5) 26.0 μg/m3 (25) N/A 50.0
 
May 16, 2022, midnight N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 59.0 ppb (65) 0.4 ppb (5) 25.0 μg/m3 (24) N/A 65.0
 
May 15, 2022, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 65.0 ppb (84) 0.4 ppb (5) 17.0 μg/m3 (16) N/A 84.0
 
May 15, 2022, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A 3.0 ppb (5) 66.0 ppb (87) 0.3 ppb (4) 32.0 μg/m3 (30) N/A 87.0
 
May 15, 2022, 8 p.m. N/A N/A N/A 9.0 ppb (9) N/A 8.0 ppb (12) 79.0 ppb (106) 0.4 ppb (5) 32.0 μg/m3 (30) N/A 106.0
 
May 15, 2022, 7 p.m. N/A N/A N/A 16.0 ppb (16) N/A 9.0 ppb (13) 90.0 ppb (112) 0.6 ppb (7) 31.0 μg/m3 (29) N/A 112.0
 
May 15, 2022, 6 p.m. N/A N/A N/A 24.0 ppb (23) N/A 4.0 ppb (6) 73.0 ppb (103) 0.6 ppb (7) 44.0 μg/m3 (41) N/A 103.0
 
May 15, 2022, 5 p.m. N/A N/A N/A 37.0 ppb (35) N/A 7.0 ppb (10) 56.0 ppb (55) 0.8 ppb (10) 38.0 μg/m3 (36) N/A 55.0
 
May 15, 2022, 4 p.m. N/A N/A N/A 32.0 ppb (31) N/A 9.0 ppb (13) 43.0 ppb (40) 0.7 ppb (8) 44.0 μg/m3 (41) N/A 41.0
 
May 15, 2022, 10 a.m. N/A N/A N/A 15.0 ppb (15) N/A 4.0 ppb (6) 11.0 ppb (11) 0.3 ppb (4) 35.0 μg/m3 (33) N/A 33.0
 
May 15, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) N/A 27.0
 
May 15, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) N/A 24.0
 
May 15, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (5) 22.0 μg/m3 (21) N/A 21.0
 
May 15, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (5) 22.0 μg/m3 (21) N/A 21.0
 
May 15, 2022, 6 a.m. N/A N/A N/A 37.0 ppb (35) N/A 0.0 ppb (0) 18.0 ppb (17) 0.4 ppb (5) 22.0 μg/m3 (21) N/A 35.0
 
May 15, 2022, 5 a.m. N/A N/A N/A 37.0 ppb (35) N/A 0.0 ppb (0) 18.0 ppb (17) 0.6 ppb (7) 39.0 μg/m3 (37) N/A 37.0
 
May 15, 2022, 5 a.m. N/A N/A N/A 37.0 ppb (35) N/A 0.0 ppb (0) 18.0 ppb (17) 0.6 ppb (7) 39.0 μg/m3 (37) N/A 37.0
 
May 15, 2022, 4 a.m. N/A N/A N/A 40.0 ppb (38) N/A 1.0 ppb (2) 13.0 ppb (13) 0.8 ppb (10) 33.0 μg/m3 (31) N/A 38.0
 
May 15, 2022, 3 a.m. N/A N/A N/A 26.0 ppb (25) N/A 1.0 ppb (2) 24.0 ppb (23) 0.7 ppb (8) 55.0 μg/m3 (51) N/A 51.0
 
May 15, 2022, 2 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 33.0 ppb (31) 0.6 ppb (7) 35.0 μg/m3 (33) N/A 33.0
 
May 15, 2022, midnight N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 46.0 ppb (43) 0.5 ppb (6) 22.0 μg/m3 (21) N/A 43.0
 
May 14, 2022, 10 p.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 72.0 ppb (102) 0.4 ppb (5) 20.0 μg/m3 (19) N/A 102.0
 
May 14, 2022, 9 p.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 77.0 ppb (105) 0.5 ppb (6) 34.0 μg/m3 (32) N/A 105.0
 
May 14, 2022, 7 p.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 86.0 ppb (109) 0.5 ppb (6) 31.0 μg/m3 (29) N/A 109.0
 
May 14, 2022, 7 p.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 86.0 ppb (109) 0.5 ppb (6) 31.0 μg/m3 (29) N/A 109.0
 
May 14, 2022, 6 p.m. N/A N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 75.0 ppb (104) 0.6 ppb (7) 41.0 μg/m3 (38) N/A 104.0
 
May 14, 2022, 5 p.m. N/A N/A N/A 29.0 ppb (28) N/A 1.0 ppb (2) 62.0 ppb (74) 0.7 ppb (8) 55.0 μg/m3 (51) N/A 74.0
 
May 14, 2022, 5 p.m. N/A N/A N/A 29.0 ppb (28) N/A 1.0 ppb (2) 62.0 ppb (74) 0.7 ppb (8) 55.0 μg/m3 (51) N/A 74.0
 
May 14, 2022, 5 p.m. N/A N/A N/A 29.0 ppb (28) N/A 1.0 ppb (2) 62.0 ppb (74) 0.7 ppb (8) 55.0 μg/m3 (51) N/A 74.0
 
May 14, 2022, 4 p.m. N/A N/A N/A 51.0 ppb (49) N/A 2.0 ppb (3) 29.0 ppb (27) 1.1 ppb (13) 55.0 μg/m3 (51) N/A 51.0
 
May 14, 2022, 3 p.m. N/A N/A N/A 56.0 ppb (54) N/A 2.0 ppb (3) 11.0 ppb (11) 1.3 ppb (15) 44.0 μg/m3 (41) N/A 54.0
 
May 14, 2022, 9 a.m. N/A N/A N/A 32.0 ppb (31) N/A 1.0 ppb (2) 15.0 ppb (14) 0.4 ppb (5) 16.0 μg/m3 (15) N/A 31.0
 
May 14, 2022, 8 a.m. N/A N/A N/A 43.0 ppb (41) N/A 1.0 ppb (2) 10.0 ppb (10) 0.4 ppb (5) 8.0 μg/m3 (8) N/A 41.0
 
May 14, 2022, 7 a.m. N/A N/A N/A 39.0 ppb (37) N/A 1.0 ppb (2) 14.0 ppb (13) 0.5 ppb (6) 28.0 μg/m3 (26) N/A 37.0
 
May 14, 2022, 6 a.m. N/A N/A N/A 44.0 ppb (42) N/A 1.0 ppb (2) 8.0 ppb (8) 0.8 ppb (10) 28.0 μg/m3 (26) N/A 42.0
 
May 14, 2022, 5 a.m. N/A N/A N/A 36.0 ppb (34) N/A 1.0 ppb (2) 14.0 ppb (13) 0.6 ppb (7) 37.0 μg/m3 (35) N/A 35.0
 
May 14, 2022, 4 a.m. N/A N/A N/A 26.0 ppb (25) N/A 1.0 ppb (2) 24.0 ppb (23) 0.7 ppb (8) 40.0 μg/m3 (38) N/A 38.0
 
May 14, 2022, 2 a.m. N/A N/A N/A 25.0 ppb (24) N/A 1.0 ppb (2) 28.0 ppb (26) 0.7 ppb (8) 47.0 μg/m3 (44) N/A 44.0
 
May 14, 2022, 1 a.m. N/A N/A N/A 14.0 ppb (14) N/A 3.0 ppb (5) 59.0 ppb (65) 0.5 ppb (6) 49.0 μg/m3 (46) N/A 65.0
 
May 14, 2022, midnight N/A N/A N/A 13.0 ppb (13) N/A 3.0 ppb (5) 70.0 ppb (100) 0.4 ppb (5) 43.0 μg/m3 (40) N/A 100.0
 
May 14, 2022, midnight N/A N/A N/A 13.0 ppb (13) N/A 3.0 ppb (5) 70.0 ppb (100) 0.4 ppb (5) 43.0 μg/m3 (40) N/A 100.0
 
May 13, 2022, 6 p.m. N/A N/A N/A 27.0 ppb (26) N/A 1.0 ppb (2) 69.0 ppb (97) 0.5 ppb (6) 34.0 μg/m3 (32) N/A 97.0
 
May 13, 2022, 3 p.m. N/A N/A N/A 24.0 ppb (23) N/A 1.0 ppb (2) 28.0 ppb (26) 0.6 ppb (7) 24.0 μg/m3 (23) N/A 26.0
 
May 13, 2022, 2 p.m. N/A N/A N/A 33.0 ppb (32) N/A 1.0 ppb (2) 13.0 ppb (13) 1.0 ppb (12) 23.0 μg/m3 (22) N/A 32.0
 
May 13, 2022, 1 p.m. N/A N/A N/A 37.0 ppb (35) N/A 1.0 ppb (2) 7.0 ppb (7) 1.1 ppb (13) 16.0 μg/m3 (15) N/A 35.0
 
May 13, 2022, noon N/A N/A N/A 34.0 ppb (33) N/A 0.0 ppb (0) 10.0 ppb (10) 0.8 ppb (10) 16.0 μg/m3 (15) N/A 33.0
 
May 13, 2022, 10 a.m. N/A N/A N/A 16.0 ppb (16) N/A 0.0 ppb (0) 26.0 ppb (25) 0.3 ppb (4) 30.0 μg/m3 (28) N/A 28.0
 
May 13, 2022, 10 a.m. N/A N/A N/A 16.0 ppb (16) N/A 0.0 ppb (0) 26.0 ppb (25) 0.3 ppb (4) 30.0 μg/m3 (28) N/A 28.0
 
May 13, 2022, 9 a.m. N/A N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 14.0 ppb (13) 0.3 ppb (4) 35.0 μg/m3 (33) N/A 33.0
 
May 13, 2022, 9 a.m. N/A N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 14.0 ppb (13) 0.3 ppb (4) 35.0 μg/m3 (33) N/A 33.0
 
May 13, 2022, 8 a.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 23.0 ppb (22) 0.3 ppb (4) 33.0 μg/m3 (31) N/A 31.0
 
May 13, 2022, 7 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 20.0 ppb (19) 0.3 ppb (4) 36.0 μg/m3 (34) N/A 34.0
 
May 13, 2022, 6 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 21.0 ppb (20) 0.3 ppb (4) 36.0 μg/m3 (34) N/A 34.0
 
May 13, 2022, 5 a.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 29.0 ppb (27) 0.3 ppb (4) 20.0 μg/m3 (19) N/A 27.0
 
May 13, 2022, 4 a.m. N/A N/A N/A 17.0 ppb (17) N/A 0.0 ppb (0) 29.0 ppb (27) 0.5 ppb (6) 40.0 μg/m3 (38) N/A 38.0