ID: 2340

AQSQID: 800150251

Site Name: Chalco

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

Updated: May 23, 2022, 2:24 a.m.

Location: Chalco De Díaz Covarrubias (Calle San Juan), MX

Reporting: True, Located: True

Current AQI: 50.0

Chalco De Díaz Covarrubias (Calle San Juan) MX, MX: 19.2669, -98.886

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 23, 2022, midnight N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 54.0 ppb (50) 0.4 ppb (5) N/A N/A 50.0
 
May 22, 2022, 11 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A 49.0 ppb (46) 0.4 ppb (5) 113.0 μg/m3 (80) N/A 80.0
 
May 22, 2022, 10 p.m. N/A N/A N/A 21.0 ppb (20) N/A 0.0 ppb (0) 37.0 ppb (35) 0.5 ppb (6) N/A N/A 35.0
 
May 22, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 124.0 μg/m3 (86) N/A 86.0
 
May 22, 2022, 8 p.m. N/A N/A N/A 7.0 ppb (7) N/A 3.0 ppb (5) 68.0 ppb (94) 0.3 ppb (4) 59.0 μg/m3 (53) N/A 94.0
 
May 22, 2022, 7 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 75.0 ppb (104) 0.3 ppb (4) 54.0 μg/m3 (50) N/A 104.0
 
May 22, 2022, 6 p.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 87.0 ppb (110) 0.2 ppb (3) 75.0 μg/m3 (61) N/A 110.0
 
May 22, 2022, 5 p.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 83.0 ppb (108) 0.4 ppb (5) 76.0 μg/m3 (62) N/A 108.0
 
May 22, 2022, 4 p.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 70.0 ppb (100) 0.5 ppb (6) 76.0 μg/m3 (62) N/A 100.0
 
May 22, 2022, 3 p.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 52.0 ppb (49) 0.4 ppb (5) 107.0 μg/m3 (77) N/A 77.0
 
May 22, 2022, 2 p.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (2) 36.0 ppb (34) 0.7 ppb (8) 102.0 μg/m3 (75) N/A 75.0
 
May 22, 2022, 1 p.m. N/A N/A N/A 45.0 ppb (43) N/A 1.0 ppb (2) 14.0 ppb (13) 1.0 ppb (12) 79.0 μg/m3 (63) N/A 63.0
 
May 22, 2022, 1 p.m. N/A N/A N/A 45.0 ppb (43) N/A 1.0 ppb (2) 14.0 ppb (13) 1.0 ppb (12) 79.0 μg/m3 (63) N/A 63.0
 
May 22, 2022, noon N/A N/A N/A 49.0 ppb (47) N/A 1.0 ppb (2) 5.0 ppb (5) 0.9 ppb (11) 70.0 μg/m3 (59) N/A 59.0
 
May 22, 2022, 11 a.m. N/A N/A N/A 51.0 ppb (49) N/A 1.0 ppb (2) 7.0 ppb (7) 0.7 ppb (8) 69.0 μg/m3 (58) N/A 58.0
 
May 22, 2022, 10 a.m. N/A N/A N/A 28.0 ppb (27) N/A 1.0 ppb (2) 29.0 ppb (27) 0.5 ppb (6) 77.0 μg/m3 (62) N/A 62.0
 
May 22, 2022, 9 a.m. N/A N/A N/A 41.0 ppb (39) N/A 1.0 ppb (2) 19.0 ppb (18) 0.6 ppb (7) 75.0 μg/m3 (61) N/A 61.0
 
May 22, 2022, 8 a.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 37.0 ppb (35) 0.5 ppb (6) 99.0 μg/m3 (73) N/A 73.0
 
May 22, 2022, 7 a.m. N/A N/A N/A 28.0 ppb (27) N/A 2.0 ppb (3) 37.0 ppb (35) 0.6 ppb (7) 87.0 μg/m3 (67) N/A 67.0
 
May 22, 2022, 5 a.m. N/A N/A N/A 45.0 ppb (43) N/A 2.0 ppb (3) 29.0 ppb (27) 0.8 ppb (10) 106.0 μg/m3 (77) N/A 77.0
 
May 22, 2022, 3 a.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (2) 65.0 ppb (84) 0.4 ppb (5) 106.0 μg/m3 (77) N/A 84.0
 
May 22, 2022, 2 a.m. N/A N/A N/A 16.0 ppb (16) N/A 0.0 ppb (0) 80.0 ppb (106) 0.5 ppb (6) 107.0 μg/m3 (77) N/A 106.0
 
May 22, 2022, 1 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 90.0 ppb (112) 0.5 ppb (6) 104.0 μg/m3 (76) N/A 112.0
 
May 22, 2022, midnight N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 97.0 ppb (115) 0.5 ppb (6) 93.0 μg/m3 (70) N/A 115.0
 
May 21, 2022, 11 p.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 101.0 ppb (117) 0.5 ppb (6) 156.0 μg/m3 (102) N/A 117.0
 
May 21, 2022, 10 p.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 102.0 ppb (118) 0.5 ppb (6) 100.0 μg/m3 (74) N/A 118.0
 
May 21, 2022, 9 p.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 106.0 ppb (120) 0.5 ppb (6) 62.0 μg/m3 (55) N/A 120.0
 
May 21, 2022, 8 p.m. N/A N/A N/A 11.0 ppb (11) N/A 2.0 ppb (3) 105.0 ppb (119) 0.3 ppb (4) 70.0 μg/m3 (59) N/A 119.0
 
May 21, 2022, 7 p.m. N/A N/A N/A 10.0 ppb (10) N/A 2.0 ppb (3) 103.0 ppb (118) 0.2 ppb (3) 80.0 μg/m3 (64) N/A 118.0
 
May 21, 2022, 6 p.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) N/A 0.2 ppb (3) 101.0 μg/m3 (74) N/A 74.0
 
May 21, 2022, 5 p.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (2) 86.0 ppb (109) 0.4 ppb (5) 107.0 μg/m3 (77) N/A 109.0
 
May 21, 2022, 4 p.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 70.0 ppb (100) 0.5 ppb (6) 172.0 μg/m3 (110) N/A 110.0
 
May 21, 2022, 3 p.m. N/A N/A N/A 55.0 ppb (53) N/A 1.0 ppb (2) 50.0 ppb (47) 0.8 ppb (10) 155.0 μg/m3 (101) N/A 101.0
 
May 21, 2022, 2 p.m. N/A N/A N/A 55.0 ppb (53) N/A 1.0 ppb (2) 10.0 ppb (10) 1.5 ppb (18) 136.0 μg/m3 (92) N/A 92.0
 
May 21, 2022, 1 p.m. N/A N/A N/A 54.0 ppb (51) N/A 3.0 ppb (5) 5.0 ppb (5) 2.0 ppb (23) 88.0 μg/m3 (68) N/A 68.0
 
May 21, 2022, 1 p.m. N/A N/A N/A 54.0 ppb (51) N/A 3.0 ppb (5) 5.0 ppb (5) 2.0 ppb (23) 88.0 μg/m3 (68) N/A 68.0
 
May 21, 2022, noon N/A N/A N/A 48.0 ppb (46) N/A 1.0 ppb (2) 11.0 ppb (11) 1.1 ppb (13) 87.0 μg/m3 (67) N/A 67.0
 
May 21, 2022, 10 a.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 49.0 ppb (46) 0.4 ppb (5) 58.0 μg/m3 (53) N/A 53.0
 
May 21, 2022, 9 a.m. N/A N/A N/A 42.0 ppb (40) N/A 91.0 ppb (108) 38.0 ppb (36) 9.5 ppb (101) 59.0 μg/m3 (53) N/A 108.0
 
May 21, 2022, 8 a.m. N/A N/A N/A 42.0 ppb (40) N/A 0.0 ppb (0) 38.0 ppb (36) 0.5 ppb (6) 73.0 μg/m3 (60) N/A 60.0
 
May 21, 2022, 4 a.m. N/A N/A N/A 31.0 ppb (30) N/A 0.0 ppb (0) 52.0 ppb (49) 0.5 ppb (6) 86.0 μg/m3 (67) N/A 67.0
 
May 21, 2022, 3 a.m. N/A N/A N/A 23.0 ppb (22) N/A 0.0 ppb (0) 64.0 ppb (81) 0.5 ppb (6) 95.0 μg/m3 (71) N/A 81.0
 
May 21, 2022, 2 a.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 70.0 ppb (100) 0.5 ppb (6) 109.0 μg/m3 (78) N/A 100.0
 
May 21, 2022, 1 a.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 78.0 ppb (105) 0.7 ppb (8) 137.0 μg/m3 (92) N/A 105.0
 
May 21, 2022, midnight N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) 81.0 ppb (107) 0.6 ppb (7) 149.0 μg/m3 (98) N/A 107.0
 
May 20, 2022, 11 p.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 84.0 ppb (108) 0.6 ppb (7) 126.0 μg/m3 (87) N/A 108.0
 
May 20, 2022, 10 p.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 87.0 ppb (110) 0.6 ppb (7) 67.0 μg/m3 (57) N/A 110.0
 
May 20, 2022, 9 p.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 90.0 ppb (112) 0.4 ppb (5) 63.0 μg/m3 (55) N/A 112.0
 
May 20, 2022, 7 p.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 100.0 ppb (117) 0.5 ppb (6) 83.0 μg/m3 (65) N/A 117.0
 
May 20, 2022, 6 p.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 92.0 ppb (113) 0.4 ppb (5) 88.0 μg/m3 (68) N/A 113.0
 
May 20, 2022, 5 p.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 82.0 ppb (107) 0.5 ppb (6) 80.0 μg/m3 (64) N/A 107.0
 
May 20, 2022, 4 p.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 61.0 ppb (71) 0.6 ppb (7) 79.0 μg/m3 (63) N/A 71.0
 
May 20, 2022, 3 p.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 48.0 ppb (45) 0.8 ppb (10) 80.0 μg/m3 (64) N/A 64.0
 
May 20, 2022, 2 p.m. N/A N/A N/A 26.0 ppb (25) N/A 0.0 ppb (0) 31.0 ppb (29) 0.8 ppb (10) 70.0 μg/m3 (59) N/A 59.0
 
May 20, 2022, 1 p.m. N/A N/A N/A 22.0 ppb (21) N/A 0.0 ppb (0) 35.0 ppb (33) 0.7 ppb (8) 57.0 μg/m3 (52) N/A 52.0
 
May 20, 2022, 11 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 38.0 ppb (36) 0.3 ppb (4) 54.0 μg/m3 (50) N/A 50.0
 
May 20, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (50) N/A 50.0
 
May 20, 2022, 3 a.m. N/A N/A N/A 29.0 ppb (28) N/A 1.0 ppb (2) 44.0 ppb (41) 0.5 ppb (6) 101.0 μg/m3 (74) N/A 74.0
 
May 20, 2022, 3 a.m. N/A N/A N/A 29.0 ppb (28) N/A 1.0 ppb (2) 44.0 ppb (41) 0.5 ppb (6) 101.0 μg/m3 (74) N/A 74.0
 
May 20, 2022, 2 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 68.0 ppb (94) 0.5 ppb (6) 119.0 μg/m3 (83) N/A 94.0
 
May 20, 2022, 1 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 86.0 ppb (109) 0.5 ppb (6) 140.0 μg/m3 (94) N/A 109.0
 
May 20, 2022, 1 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 86.0 ppb (109) 0.5 ppb (6) 140.0 μg/m3 (94) N/A 109.0
 
May 20, 2022, midnight N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 87.0 ppb (110) 0.5 ppb (6) 155.0 μg/m3 (101) N/A 110.0
 
May 20, 2022, midnight N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 87.0 ppb (110) 0.5 ppb (6) 155.0 μg/m3 (101) N/A 110.0
 
May 19, 2022, 11 p.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 86.0 ppb (109) 0.6 ppb (7) 105.0 μg/m3 (76) N/A 109.0
 
May 19, 2022, 10 p.m. N/A N/A N/A 13.0 ppb (13) N/A 2.0 ppb (3) 86.0 ppb (109) 0.6 ppb (7) 50.0 μg/m3 (47) N/A 109.0
 
May 19, 2022, 9 p.m. N/A N/A N/A 11.0 ppb (11) N/A 2.0 ppb (3) 89.0 ppb (111) 0.4 ppb (5) 52.0 μg/m3 (49) N/A 111.0
 
May 19, 2022, 8 p.m. N/A N/A N/A 8.0 ppb (8) N/A 2.0 ppb (3) 86.0 ppb (109) 0.3 ppb (4) 57.0 μg/m3 (52) N/A 109.0
 
May 19, 2022, 7 p.m. N/A N/A N/A 11.0 ppb (11) N/A 3.0 ppb (5) 85.0 ppb (109) 0.4 ppb (5) 51.0 μg/m3 (48) N/A 109.0
 
May 19, 2022, 7 p.m. N/A N/A N/A 11.0 ppb (11) N/A 3.0 ppb (5) 85.0 ppb (109) 0.4 ppb (5) 51.0 μg/m3 (48) N/A 109.0
 
May 19, 2022, 4 p.m. N/A N/A N/A 12.0 ppb (12) N/A 6.0 ppb (9) 60.0 ppb (68) 0.3 ppb (4) 91.0 μg/m3 (69) N/A 69.0
 
May 19, 2022, 2 p.m. N/A N/A N/A 32.0 ppb (31) N/A 0.0 ppb (0) 18.0 ppb (17) 1.2 ppb (14) 89.0 μg/m3 (68) N/A 68.0
 
May 19, 2022, 6 a.m. N/A N/A N/A 32.0 ppb (31) N/A 1.0 ppb (2) 37.0 ppb (35) 0.5 ppb (6) 79.0 μg/m3 (63) N/A 63.0
 
May 19, 2022, 5 a.m. N/A N/A N/A 46.0 ppb (44) N/A 1.0 ppb (2) 35.0 ppb (33) 0.6 ppb (7) 100.0 μg/m3 (74) N/A 74.0
 
May 19, 2022, 4 a.m. N/A N/A N/A 32.0 ppb (31) N/A 1.0 ppb (2) 52.0 ppb (49) 0.5 ppb (6) 100.0 μg/m3 (74) N/A 74.0
 
May 19, 2022, 3 a.m. N/A N/A N/A 24.0 ppb (23) N/A 1.0 ppb (2) 65.0 ppb (84) 0.5 ppb (6) 96.0 μg/m3 (72) N/A 84.0
 
May 19, 2022, 2 a.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 75.0 ppb (104) 0.4 ppb (5) 93.0 μg/m3 (70) N/A 104.0
 
May 19, 2022, 1 a.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 83.0 ppb (108) 0.4 ppb (5) 100.0 μg/m3 (74) N/A 108.0
 
May 18, 2022, 11 p.m. N/A N/A N/A 14.0 ppb (14) N/A 2.0 ppb (3) 73.0 ppb (103) 0.5 ppb (6) 75.0 μg/m3 (61) N/A 103.0
 
May 18, 2022, 10 p.m. N/A N/A N/A 11.0 ppb (11) N/A 3.0 ppb (5) 78.0 ppb (105) 0.3 ppb (4) 66.0 μg/m3 (57) N/A 105.0
 
May 18, 2022, 9 p.m. N/A N/A N/A 10.0 ppb (10) N/A 4.0 ppb (6) 84.0 ppb (108) 0.3 ppb (4) 87.0 μg/m3 (67) N/A 108.0
 
May 18, 2022, 8 p.m. N/A N/A N/A 12.0 ppb (12) N/A 4.0 ppb (6) 83.0 ppb (108) 0.3 ppb (4) 84.0 μg/m3 (66) N/A 108.0
 
May 18, 2022, 7 p.m. N/A N/A N/A 10.0 ppb (10) N/A 2.0 ppb (3) 76.0 ppb (104) 0.3 ppb (4) 87.0 μg/m3 (67) N/A 104.0
 
May 18, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
May 18, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
May 18, 2022, 4 p.m. N/A N/A N/A 42.0 ppb (40) N/A 1.0 ppb (2) 9.0 ppb (9) 1.8 ppb (21) 65.0 μg/m3 (56) N/A 56.0
 
May 18, 2022, 3 p.m. N/A N/A N/A 42.0 ppb (40) N/A 1.0 ppb (2) 9.0 ppb (9) 1.8 ppb (21) 65.0 μg/m3 (56) N/A 56.0
 
May 18, 2022, 3 p.m. N/A N/A N/A 42.0 ppb (40) N/A 1.0 ppb (2) 9.0 ppb (9) 1.8 ppb (21) 65.0 μg/m3 (56) N/A 56.0
 
May 18, 2022, 2 p.m. N/A N/A N/A 42.0 ppb (40) N/A 1.0 ppb (2) 9.0 ppb (9) 1.8 ppb (21) 65.0 μg/m3 (56) N/A 56.0
 
May 18, 2022, 2 p.m. N/A N/A N/A 42.0 ppb (40) N/A 1.0 ppb (2) 9.0 ppb (9) 1.8 ppb (21) 65.0 μg/m3 (56) N/A 56.0
 
May 18, 2022, 1 p.m. N/A N/A N/A 40.0 ppb (38) N/A 0.0 ppb (0) 6.0 ppb (6) 1.5 ppb (18) 58.0 μg/m3 (53) N/A 53.0
 
May 18, 2022, 1 p.m. N/A N/A N/A 40.0 ppb (38) N/A 0.0 ppb (0) 6.0 ppb (6) 1.5 ppb (18) 58.0 μg/m3 (53) N/A 53.0
 
May 18, 2022, noon N/A N/A N/A 36.0 ppb (34) N/A 0.0 ppb (0) 10.0 ppb (10) 1.2 ppb (14) 48.0 μg/m3 (45) N/A 45.0
 
May 18, 2022, noon N/A N/A N/A 36.0 ppb (34) N/A 0.0 ppb (0) 10.0 ppb (10) 1.2 ppb (14) 48.0 μg/m3 (45) N/A 45.0
 
May 18, 2022, 11 a.m. N/A N/A N/A 35.0 ppb (34) N/A 0.0 ppb (0) 12.0 ppb (12) 0.7 ppb (8) 44.0 μg/m3 (41) N/A 41.0
 
May 18, 2022, 10 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 29.0 ppb (27) 0.6 ppb (7) 42.0 μg/m3 (39) N/A 39.0
 
May 18, 2022, 2 a.m. N/A N/A N/A 16.0 ppb (16) N/A 0.0 ppb (0) 67.0 ppb (91) 0.7 ppb (8) 133.0 μg/m3 (90) N/A 91.0
 
May 18, 2022, 1 a.m. N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 75.0 ppb (104) 0.8 ppb (10) N/A N/A 104.0
 
May 18, 2022, midnight N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 76.0 ppb (104) 0.7 ppb (8) 70.0 μg/m3 (59) N/A 104.0
 
May 17, 2022, 11 p.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 83.0 ppb (108) 0.6 ppb (7) 75.0 μg/m3 (61) N/A 108.0
 
May 17, 2022, 10 p.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 88.0 ppb (110) 0.7 ppb (8) 99.0 μg/m3 (73) N/A 110.0
 
May 17, 2022, 9 p.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 93.0 ppb (113) 0.7 ppb (8) 83.0 μg/m3 (65) N/A 113.0
 
May 17, 2022, 9 p.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 93.0 ppb (113) 0.7 ppb (8) 83.0 μg/m3 (65) N/A 113.0
 
May 17, 2022, 8 p.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 92.0 ppb (113) 0.7 ppb (8) 78.0 μg/m3 (63) N/A 113.0
 
May 17, 2022, 7 p.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 77.0 ppb (105) 0.8 ppb (10) 93.0 μg/m3 (70) N/A 105.0
 
May 17, 2022, 7 p.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 77.0 ppb (105) 0.8 ppb (10) 93.0 μg/m3 (70) N/A 105.0
 
May 17, 2022, 6 p.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 66.0 ppb (87) 0.6 ppb (7) 48.0 μg/m3 (45) N/A 87.0
 
May 17, 2022, 6 p.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 66.0 ppb (87) 0.6 ppb (7) 48.0 μg/m3 (45) N/A 87.0
 
May 17, 2022, 5 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 60.0 ppb (68) 0.5 ppb (6) 41.0 μg/m3 (38) N/A 68.0
 
May 17, 2022, 5 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 60.0 ppb (68) 0.5 ppb (6) 41.0 μg/m3 (38) N/A 68.0
 
May 17, 2022, 4 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 50.0 ppb (47) 0.7 ppb (8) 59.0 μg/m3 (53) N/A 53.0
 
May 17, 2022, 4 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 50.0 ppb (47) 0.7 ppb (8) 59.0 μg/m3 (53) N/A 53.0
 
May 17, 2022, 3 p.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 43.0 ppb (40) 0.7 ppb (8) 72.0 μg/m3 (60) N/A 60.0
 
May 17, 2022, 3 p.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 43.0 ppb (40) 0.7 ppb (8) 72.0 μg/m3 (60) N/A 60.0
 
May 17, 2022, 2 p.m. N/A N/A N/A 28.0 ppb (27) N/A 0.0 ppb (0) 17.0 ppb (16) 1.1 ppb (13) 73.0 μg/m3 (60) N/A 60.0
 
May 17, 2022, noon N/A N/A N/A 37.0 ppb (35) N/A 0.0 ppb (0) 3.0 ppb (3) 1.2 ppb (14) 57.0 μg/m3 (52) N/A 52.0
 
May 17, 2022, noon N/A N/A N/A 37.0 ppb (35) N/A 0.0 ppb (0) 3.0 ppb (3) 1.2 ppb (14) 57.0 μg/m3 (52) N/A 52.0
 
May 17, 2022, 10 a.m. N/A N/A N/A 34.0 ppb (33) N/A 0.0 ppb (0) 5.0 ppb (5) 0.8 ppb (10) 56.0 μg/m3 (52) N/A 52.0
 
May 17, 2022, 10 a.m. N/A N/A N/A 34.0 ppb (33) N/A 0.0 ppb (0) 5.0 ppb (5) 0.8 ppb (10) 56.0 μg/m3 (52) N/A 52.0
 
May 17, 2022, 9 a.m. N/A N/A N/A 34.0 ppb (33) N/A 0.0 ppb (0) 5.0 ppb (5) 0.8 ppb (10) 59.0 μg/m3 (53) N/A 53.0
 
May 17, 2022, 8 a.m. N/A N/A N/A 34.0 ppb (33) N/A 0.0 ppb (0) 7.0 ppb (7) 0.7 ppb (8) 72.0 μg/m3 (60) N/A 60.0
 
May 17, 2022, 5 a.m. N/A N/A N/A 40.0 ppb (38) N/A 0.0 ppb (0) 15.0 ppb (14) 0.7 ppb (8) 66.0 μg/m3 (57) N/A 57.0
 
May 17, 2022, 4 a.m. N/A N/A N/A 27.0 ppb (26) N/A 1.0 ppb (2) 29.0 ppb (27) 0.7 ppb (8) 58.0 μg/m3 (53) N/A 53.0
 
May 17, 2022, 3 a.m. N/A N/A N/A 28.0 ppb (27) N/A 2.0 ppb (3) 44.0 ppb (41) 0.6 ppb (7) 90.0 μg/m3 (69) N/A 69.0
 
May 17, 2022, 2 a.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 62.0 ppb (74) 0.6 ppb (7) 95.0 μg/m3 (71) N/A 74.0
 
May 17, 2022, 1 a.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 76.0 ppb (104) 0.7 ppb (8) 52.0 μg/m3 (49) N/A 104.0
 
May 17, 2022, midnight N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 76.0 ppb (104) 0.5 ppb (6) 36.0 μg/m3 (34) N/A 104.0
 
May 16, 2022, 11 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 73.0 ppb (103) 0.5 ppb (6) 99.0 μg/m3 (73) N/A 103.0
 
May 16, 2022, 9 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 79.0 ppb (106) 0.6 ppb (7) 39.0 μg/m3 (37) N/A 106.0
 
May 16, 2022, 9 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 79.0 ppb (106) 0.6 ppb (7) 39.0 μg/m3 (37) N/A 106.0
 
May 16, 2022, 8 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 68.0 ppb (94) 0.5 ppb (6) 54.0 μg/m3 (50) N/A 94.0
 
May 16, 2022, 7 p.m. N/A N/A N/A 35.0 ppb (34) N/A 1.0 ppb (2) 76.0 ppb (104) 0.7 ppb (8) 95.0 μg/m3 (71) N/A 104.0
 
May 16, 2022, 6 p.m. N/A N/A N/A 35.0 ppb (34) N/A 0.0 ppb (0) 72.0 ppb (102) 0.7 ppb (8) 43.0 μg/m3 (40) N/A 102.0
 
May 16, 2022, 5 p.m. N/A N/A N/A 35.0 ppb (34) N/A 0.0 ppb (0) 46.0 ppb (43) 0.8 ppb (10) 43.0 μg/m3 (40) N/A 43.0
 
May 16, 2022, 3 p.m. N/A N/A N/A 35.0 ppb (34) N/A 1.0 ppb (2) 25.0 ppb (24) 1.0 ppb (12) 106.0 μg/m3 (77) N/A 77.0
 
May 16, 2022, 2 p.m. N/A N/A N/A 35.0 ppb (34) N/A 1.0 ppb (2) 8.0 ppb (8) 1.9 ppb (22) 58.0 μg/m3 (53) N/A 53.0
 
May 16, 2022, 1 p.m. N/A N/A N/A 35.0 ppb (34) N/A 1.0 ppb (2) 2.0 ppb (2) 1.0 ppb (12) 61.0 μg/m3 (54) N/A 54.0
 
May 16, 2022, 1 p.m. N/A N/A N/A 35.0 ppb (34) N/A 1.0 ppb (2) 2.0 ppb (2) 1.4 ppb (16) 61.0 μg/m3 (54) N/A 54.0
 
May 16, 2022, 6 a.m. N/A N/A N/A 36.0 ppb (34) N/A 0.0 ppb (0) 11.0 ppb (11) 0.8 ppb (10) 52.0 μg/m3 (49) N/A 49.0
 
May 16, 2022, 5 a.m. N/A N/A N/A 37.0 ppb (35) N/A 0.0 ppb (0) 19.0 ppb (18) 0.7 ppb (8) 45.0 μg/m3 (42) N/A 42.0
 
May 16, 2022, 4 a.m. N/A N/A N/A 29.0 ppb (28) N/A 0.0 ppb (0) 30.0 ppb (28) 0.7 ppb (8) 49.0 μg/m3 (46) N/A 46.0
 
May 16, 2022, 3 a.m. N/A N/A N/A 27.0 ppb (26) N/A 0.0 ppb (0) 23.0 ppb (22) 0.6 ppb (7) 43.0 μg/m3 (40) N/A 40.0
 
May 16, 2022, 2 a.m. N/A N/A N/A 21.0 ppb (20) N/A 0.0 ppb (0) 33.0 ppb (31) 0.5 ppb (6) 43.0 μg/m3 (40) N/A 40.0
 
May 16, 2022, 2 a.m. N/A N/A N/A 21.0 ppb (20) N/A 0.0 ppb (0) 33.0 ppb (31) 0.5 ppb (6) 43.0 μg/m3 (40) N/A 40.0
 
May 16, 2022, 1 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 50.0 ppb (47) 0.4 ppb (5) 46.0 μg/m3 (43) N/A 47.0
 
May 16, 2022, midnight N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 60.0 ppb (68) 0.3 ppb (4) 57.0 μg/m3 (52) N/A 68.0
 
May 15, 2022, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 68.0 ppb (94) 0.4 ppb (5) 44.0 μg/m3 (41) N/A 94.0
 
May 15, 2022, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A 3.0 ppb (5) 76.0 ppb (104) 0.4 ppb (5) 47.0 μg/m3 (44) N/A 104.0
 
May 15, 2022, 8 p.m. N/A N/A N/A 7.0 ppb (7) N/A 4.0 ppb (6) 75.0 ppb (104) 0.4 ppb (5) 49.0 μg/m3 (46) N/A 104.0
 
May 15, 2022, 7 p.m. N/A N/A N/A 7.0 ppb (7) N/A 3.0 ppb (5) 71.0 ppb (101) 0.4 ppb (5) 53.0 μg/m3 (50) N/A 101.0
 
May 15, 2022, 6 p.m. N/A N/A N/A 11.0 ppb (11) N/A 5.0 ppb (8) 82.0 ppb (107) 0.5 ppb (6) 56.0 μg/m3 (52) N/A 107.0
 
May 15, 2022, 5 p.m. N/A N/A N/A 14.0 ppb (14) N/A 2.0 ppb (3) 74.0 ppb (103) 0.6 ppb (7) 45.0 μg/m3 (42) N/A 103.0
 
May 15, 2022, 4 p.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 57.0 ppb (58) 0.6 ppb (7) 48.0 μg/m3 (45) N/A 58.0
 
May 15, 2022, 10 a.m. N/A N/A N/A 17.0 ppb (17) N/A 0.0 ppb (0) 23.0 ppb (22) 0.6 ppb (7) 43.0 μg/m3 (40) N/A 40.0
 
May 15, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 61.0 μg/m3 (54) N/A 54.0
 
May 15, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 66.0 μg/m3 (57) N/A 57.0
 
May 15, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 1.0 ppb (12) 59.0 μg/m3 (53) N/A 53.0
 
May 15, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 1.0 ppb (12) 59.0 μg/m3 (53) N/A 53.0
 
May 15, 2022, 6 a.m. N/A N/A N/A 30.0 ppb (29) N/A 0.0 ppb (0) 15.0 ppb (14) 1.0 ppb (12) 59.0 μg/m3 (53) N/A 53.0
 
May 15, 2022, 5 a.m. N/A N/A N/A 30.0 ppb (29) N/A 0.0 ppb (0) 15.0 ppb (14) 0.7 ppb (8) 52.0 μg/m3 (49) N/A 49.0
 
May 15, 2022, 5 a.m. N/A N/A N/A 30.0 ppb (29) N/A 0.0 ppb (0) 15.0 ppb (14) 0.7 ppb (8) 52.0 μg/m3 (49) N/A 49.0
 
May 15, 2022, 4 a.m. N/A N/A N/A 30.0 ppb (29) N/A 0.0 ppb (0) 16.0 ppb (15) 0.8 ppb (10) 55.0 μg/m3 (51) N/A 51.0
 
May 15, 2022, 3 a.m. N/A N/A N/A 24.0 ppb (23) N/A 0.0 ppb (0) 37.0 ppb (35) 0.7 ppb (8) 66.0 μg/m3 (57) N/A 57.0
 
May 15, 2022, 2 a.m. N/A N/A N/A 17.0 ppb (17) N/A 0.0 ppb (0) 56.0 ppb (55) 0.8 ppb (10) 77.0 μg/m3 (62) N/A 62.0
 
May 15, 2022, midnight N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 70.0 ppb (100) 0.8 ppb (10) 116.0 μg/m3 (82) N/A 100.0
 
May 14, 2022, 10 p.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 73.0 ppb (103) 0.5 ppb (6) 69.0 μg/m3 (58) N/A 103.0
 
May 14, 2022, 9 p.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 72.0 ppb (102) 0.5 ppb (6) 65.0 μg/m3 (56) N/A 102.0
 
May 14, 2022, 8 p.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 101.0 ppb (117) 0.6 ppb (7) 80.0 μg/m3 (64) N/A 117.0