AQSQID: 800150131

Site Name: Atizap N

Location: Cdad López Mateos (Mar Tirreno), MX

Reporting: True, Located: True

Current AQI: 36.0

Cdad López Mateos (Mar Tirreno) MX, MX: 19.577, -99.2542

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 29, 2020, 7 a.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 24.0 ppb (18) 0.5 ppb (6) 57.0 μg/m3 (51) N/A 51.0
 
March 29, 2020, 6 a.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 25.0 ppb (19) 0.6 ppb (7) 53.0 μg/m3 (48) N/A 48.0
 
March 29, 2020, 5 a.m. N/A N/A N/A 13.0 ppb (12) N/A 1.0 ppb (1) 25.0 ppb (19) 0.6 ppb (7) 81.0 μg/m3 (63) N/A 63.0
 
March 29, 2020, 4 a.m. N/A N/A N/A 13.0 ppb (12) N/A 1.0 ppb (1) 27.0 ppb (21) 0.6 ppb (7) N/A N/A 21.0
 
March 29, 2020, 3 a.m. N/A N/A N/A 13.0 ppb (12) N/A 1.0 ppb (1) 29.0 ppb (22) 0.6 ppb (7) N/A N/A 22.0
 
March 29, 2020, 2 a.m. N/A N/A N/A 15.0 ppb (14) N/A 1.0 ppb (1) 32.0 ppb (25) 0.6 ppb (7) 57.0 μg/m3 (51) N/A 51.0
 
March 29, 2020, 1 a.m. N/A N/A N/A 14.0 ppb (13) N/A 2.0 ppb (3) 46.0 ppb (35) 0.5 ppb (6) 40.0 μg/m3 (36) N/A 36.0
 
March 29, 2020, midnight N/A N/A N/A 10.0 ppb (9) N/A 2.0 ppb (3) 53.0 ppb (41) 0.5 ppb (6) 27.0 μg/m3 (25) N/A 41.0
 
March 28, 2020, 11 p.m. N/A N/A N/A 10.0 ppb (9) N/A 3.0 ppb (4) 60.0 ppb (46) 0.5 ppb (6) 45.0 μg/m3 (41) N/A 46.0
 
March 28, 2020, 10 p.m. N/A N/A N/A 9.0 ppb (8) N/A 2.0 ppb (3) 75.0 ppb (58) 0.5 ppb (6) 26.0 μg/m3 (24) N/A 58.0
 
March 28, 2020, 9 p.m. N/A N/A N/A 10.0 ppb (9) N/A 2.0 ppb (3) 74.0 ppb (57) 0.6 ppb (7) 31.0 μg/m3 (28) N/A 57.0
 
March 28, 2020, 8 p.m. N/A N/A N/A 15.0 ppb (14) N/A 3.0 ppb (4) 73.0 ppb (57) 0.6 ppb (7) 38.0 μg/m3 (35) N/A 57.0
 
March 28, 2020, 7 p.m. N/A N/A N/A 18.0 ppb (17) N/A 3.0 ppb (4) 65.0 ppb (50) 0.6 ppb (7) 16.0 μg/m3 (15) N/A 50.0
 
March 28, 2020, 6 p.m. N/A N/A N/A 19.0 ppb (18) N/A 3.0 ppb (4) 50.0 ppb (38) 0.6 ppb (7) 43.0 μg/m3 (39) N/A 39.0
 
March 28, 2020, 5 p.m. N/A N/A N/A 15.0 ppb (14) N/A 2.0 ppb (3) 40.0 ppb (31) 0.6 ppb (7) 62.0 μg/m3 (54) N/A 54.0
 
March 28, 2020, 4 p.m. N/A N/A N/A 23.0 ppb (21) N/A 2.0 ppb (3) 31.0 ppb (24) 0.7 ppb (8) 63.0 μg/m3 (54) N/A 54.0
 
March 28, 2020, 3 p.m. N/A N/A N/A 31.0 ppb (29) N/A 2.0 ppb (3) 13.0 ppb (10) 0.9 ppb (10) 71.0 μg/m3 (58) N/A 58.0
 
March 28, 2020, 2 p.m. N/A N/A N/A 29.0 ppb (27) N/A 2.0 ppb (3) 1.0 ppb (1) 1.2 ppb (13) 64.0 μg/m3 (54) N/A 54.0
 
March 28, 2020, 1 p.m. N/A N/A N/A 28.0 ppb (26) N/A 1.0 ppb (1) 0.0 ppb (0) 1.0 ppb (11) 58.0 μg/m3 (52) N/A 52.0
 
March 28, 2020, noon N/A N/A N/A 27.0 ppb (25) N/A 1.0 ppb (1) 1.0 ppb (1) 0.9 ppb (10) 54.0 μg/m3 (49) N/A 49.0
 
March 28, 2020, 11 a.m. N/A N/A N/A 27.0 ppb (25) N/A 1.0 ppb (1) 1.0 ppb (1) 0.8 ppb (9) 49.0 μg/m3 (45) N/A 45.0
 
March 28, 2020, 10 a.m. N/A N/A N/A 25.0 ppb (23) N/A 1.0 ppb (1) 4.0 ppb (3) 0.8 ppb (9) 49.0 μg/m3 (45) N/A 45.0
 
March 28, 2020, 9 a.m. N/A N/A N/A 25.0 ppb (23) N/A 1.0 ppb (1) 4.0 ppb (3) 0.8 ppb (9) 44.0 μg/m3 (40) N/A 40.0
 
March 28, 2020, 8 a.m. N/A N/A N/A 28.0 ppb (26) N/A 1.0 ppb (1) 3.0 ppb (2) 0.9 ppb (10) 50.0 μg/m3 (45) N/A 45.0
 
March 28, 2020, 7 a.m. N/A N/A N/A 28.0 ppb (26) N/A 1.0 ppb (1) 6.0 ppb (5) 1.2 ppb (13) 50.0 μg/m3 (45) N/A 45.0
 
March 28, 2020, 6 a.m. N/A N/A N/A 23.0 ppb (21) N/A 1.0 ppb (1) 11.0 ppb (8) 1.3 ppb (14) 42.0 μg/m3 (38) N/A 38.0
 
March 28, 2020, 5 a.m. N/A N/A N/A 13.0 ppb (12) N/A 1.0 ppb (1) 19.0 ppb (15) 0.6 ppb (7) 87.0 μg/m3 (66) N/A 66.0
 
March 28, 2020, 4 a.m. N/A N/A N/A 28.0 ppb (26) N/A 1.0 ppb (1) 8.0 ppb (6) 0.8 ppb (9) 57.0 μg/m3 (51) N/A 51.0
 
March 28, 2020, 3 a.m. N/A N/A N/A 22.0 ppb (20) N/A 1.0 ppb (1) 14.0 ppb (11) 0.7 ppb (8) 48.0 μg/m3 (44) N/A 44.0
 
March 28, 2020, 2 a.m. N/A N/A N/A 17.0 ppb (16) N/A 1.0 ppb (1) 20.0 ppb (15) 0.6 ppb (7) 77.0 μg/m3 (61) N/A 61.0
 
March 28, 2020, 1 a.m. N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 29.0 ppb (22) 0.6 ppb (7) 59.0 μg/m3 (52) N/A 52.0
 
March 28, 2020, midnight N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) 40.0 ppb (31) 0.5 ppb (6) 68.0 μg/m3 (56) N/A 56.0
 
March 27, 2020, 11 p.m. N/A N/A N/A 9.0 ppb (8) N/A 3.0 ppb (4) 45.0 ppb (35) 0.5 ppb (6) 70.0 μg/m3 (58) N/A 58.0
 
March 27, 2020, 10 p.m. N/A N/A N/A 9.0 ppb (8) N/A 2.0 ppb (3) 45.0 ppb (35) 0.5 ppb (6) 55.0 μg/m3 (50) N/A 50.0
 
March 27, 2020, 9 p.m. N/A N/A N/A 9.0 ppb (8) N/A 2.0 ppb (3) 50.0 ppb (38) 0.4 ppb (4) 48.0 μg/m3 (44) N/A 44.0
 
March 27, 2020, 8 p.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 53.0 ppb (41) 0.5 ppb (6) 32.0 μg/m3 (29) N/A 41.0
 
March 27, 2020, 7 p.m. N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) 56.0 ppb (43) 0.6 ppb (7) 52.0 μg/m3 (47) N/A 47.0
 
March 27, 2020, 6 p.m. N/A N/A N/A 36.0 ppb (33) N/A 3.0 ppb (4) 37.0 ppb (28) 0.7 ppb (8) 58.0 μg/m3 (52) N/A 52.0
 
March 27, 2020, 5 p.m. N/A N/A N/A 25.0 ppb (23) N/A 2.0 ppb (3) 33.0 ppb (25) 0.6 ppb (7) 55.0 μg/m3 (50) N/A 50.0
 
March 27, 2020, 4 p.m. N/A N/A N/A 22.0 ppb (20) N/A 2.0 ppb (3) 29.0 ppb (22) 0.7 ppb (8) 52.0 μg/m3 (47) N/A 47.0
 
March 27, 2020, 3 p.m. N/A N/A N/A 38.0 ppb (35) N/A 2.0 ppb (3) 7.0 ppb (5) 1.4 ppb (16) 52.0 μg/m3 (47) N/A 47.0
 
March 27, 2020, 2 p.m. N/A N/A N/A 30.0 ppb (28) N/A 2.0 ppb (3) 3.0 ppb (2) 1.1 ppb (12) 32.0 μg/m3 (29) N/A 29.0
 
March 27, 2020, 1 p.m. N/A N/A N/A 28.0 ppb (26) N/A 1.0 ppb (1) 2.0 ppb (2) 0.8 ppb (9) 41.0 μg/m3 (37) N/A 37.0
 
March 27, 2020, noon N/A N/A N/A 28.0 ppb (26) N/A 1.0 ppb (1) 2.0 ppb (2) 0.8 ppb (9) 21.0 μg/m3 (19) N/A 26.0
 
March 27, 2020, 11 a.m. N/A N/A N/A 27.0 ppb (25) N/A 1.0 ppb (1) 6.0 ppb (5) 0.6 ppb (7) 31.0 μg/m3 (28) N/A 28.0
 
March 27, 2020, 10 a.m. N/A N/A N/A 24.0 ppb (22) N/A 1.0 ppb (1) 10.0 ppb (8) 0.8 ppb (9) 37.0 μg/m3 (34) N/A 34.0
 
March 27, 2020, 9 a.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (1) 17.0 ppb (13) 0.8 ppb (9) 35.0 μg/m3 (32) N/A 32.0
 
March 27, 2020, 8 a.m. N/A N/A N/A 17.0 ppb (16) N/A 1.0 ppb (1) 20.0 ppb (15) 0.8 ppb (9) 56.0 μg/m3 (50) N/A 50.0
 
March 27, 2020, 7 a.m. N/A N/A N/A 31.0 ppb (29) N/A 1.0 ppb (1) 10.0 ppb (8) 0.8 ppb (9) 61.0 μg/m3 (53) N/A 53.0
 
March 27, 2020, 6 a.m. N/A N/A N/A 44.0 ppb (41) N/A 2.0 ppb (3) 4.0 ppb (3) 1.1 ppb (12) 69.0 μg/m3 (57) N/A 57.0
 
March 27, 2020, 5 a.m. N/A N/A N/A 35.0 ppb (32) N/A 1.0 ppb (1) 10.0 ppb (8) 0.9 ppb (10) 52.0 μg/m3 (47) N/A 47.0
 
March 27, 2020, 4 a.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (1) 26.0 ppb (20) 0.6 ppb (7) 59.0 μg/m3 (52) N/A 52.0
 
March 27, 2020, 3 a.m. N/A N/A N/A 34.0 ppb (31) N/A 2.0 ppb (3) 17.0 ppb (13) 0.8 ppb (9) 74.0 μg/m3 (60) N/A 60.0
 
March 27, 2020, 2 a.m. N/A N/A N/A 35.0 ppb (32) N/A 3.0 ppb (4) 21.0 ppb (16) 0.8 ppb (9) 74.0 μg/m3 (60) N/A 60.0
 
March 27, 2020, 1 a.m. N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) 55.0 ppb (42) 0.6 ppb (7) 51.0 μg/m3 (46) N/A 46.0
 
March 27, 2020, midnight N/A N/A N/A 10.0 ppb (9) N/A 3.0 ppb (4) 70.0 ppb (54) 0.5 ppb (6) 50.0 μg/m3 (45) N/A 54.0
 
March 26, 2020, 11 p.m. N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) 69.0 ppb (53) 0.5 ppb (6) 39.0 μg/m3 (35) N/A 53.0
 
March 26, 2020, 10 p.m. N/A N/A N/A 8.0 ppb (7) N/A 7.0 ppb (10) 58.0 ppb (45) 0.4 ppb (4) 17.0 μg/m3 (15) N/A 45.0
 
March 26, 2020, 9 p.m. N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) 62.0 ppb (48) 0.5 ppb (6) 33.0 μg/m3 (30) N/A 48.0
 
March 26, 2020, 8 p.m. N/A N/A N/A 21.0 ppb (19) N/A 3.0 ppb (4) 70.0 ppb (54) 0.6 ppb (7) 37.0 μg/m3 (34) N/A 54.0
 
March 26, 2020, 7 p.m. N/A N/A N/A 41.0 ppb (38) N/A 7.0 ppb (10) 53.0 ppb (41) 0.7 ppb (8) 77.0 μg/m3 (61) N/A 61.0
 
March 26, 2020, 6 p.m. N/A N/A N/A 49.0 ppb (45) N/A 8.0 ppb (11) 44.0 ppb (34) 0.8 ppb (9) 15.0 μg/m3 (14) N/A 45.0
 
March 26, 2020, 5 p.m. N/A N/A N/A 37.0 ppb (34) N/A 10.0 ppb (14) 41.0 ppb (32) 0.8 ppb (9) 63.0 μg/m3 (54) N/A 54.0
 
March 26, 2020, 4 p.m. N/A N/A N/A 44.0 ppb (41) N/A 10.0 ppb (14) 27.0 ppb (21) 1.0 ppb (11) 75.0 μg/m3 (60) N/A 60.0
 
March 26, 2020, 3 p.m. N/A N/A N/A 44.0 ppb (41) N/A 5.0 ppb (7) 12.0 ppb (9) 1.2 ppb (13) 104.0 μg/m3 (74) N/A 74.0
 
March 26, 2020, 2 p.m. N/A N/A N/A 38.0 ppb (35) N/A 3.0 ppb (4) 1.0 ppb (1) 1.3 ppb (14) 90.0 μg/m3 (68) N/A 68.0
 
March 26, 2020, 1 p.m. N/A N/A N/A 35.0 ppb (32) N/A 3.0 ppb (4) 0.0 ppb (0) 1.2 ppb (13) 59.0 μg/m3 (52) N/A 52.0
 
March 26, 2020, noon N/A N/A N/A 31.0 ppb (29) N/A 2.0 ppb (3) 1.0 ppb (1) 0.8 ppb (9) 43.0 μg/m3 (39) N/A 39.0
 
March 26, 2020, 11 a.m. N/A N/A N/A 21.0 ppb (19) N/A 2.0 ppb (3) 7.0 ppb (5) 0.6 ppb (7) 37.0 μg/m3 (34) N/A 34.0
 
March 26, 2020, 10 a.m. N/A N/A N/A 14.0 ppb (13) N/A 3.0 ppb (4) 13.0 ppb (10) 0.5 ppb (6) 44.0 μg/m3 (40) N/A 40.0
 
March 26, 2020, 9 a.m. N/A N/A N/A 11.0 ppb (10) N/A 4.0 ppb (6) 19.0 ppb (15) 0.5 ppb (6) 33.0 μg/m3 (30) N/A 30.0
 
March 26, 2020, 8 a.m. N/A N/A N/A 4.0 ppb (4) N/A 3.0 ppb (4) 24.0 ppb (18) 0.3 ppb (3) 31.0 μg/m3 (28) N/A 28.0
 
March 26, 2020, 7 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.2 ppb (2) 47.0 μg/m3 (43) N/A 43.0
 
March 26, 2020, 6 a.m. N/A N/A N/A 13.0 ppb (12) N/A 18.0 ppb (26) 20.0 ppb (15) 0.6 ppb (7) 59.0 μg/m3 (52) N/A 52.0
 
March 26, 2020, 5 a.m. N/A N/A N/A 15.0 ppb (14) N/A 17.0 ppb (24) 19.0 ppb (15) 0.6 ppb (7) 94.0 μg/m3 (70) N/A 70.0
 
March 26, 2020, 4 a.m. N/A N/A N/A 21.0 ppb (19) N/A 8.0 ppb (11) 16.0 ppb (12) 0.7 ppb (8) 83.0 μg/m3 (64) N/A 64.0
 
March 26, 2020, 3 a.m. N/A N/A N/A 25.0 ppb (23) N/A 1.0 ppb (1) 18.0 ppb (14) 0.6 ppb (7) 105.0 μg/m3 (75) N/A 75.0
 
March 26, 2020, 2 a.m. N/A N/A N/A 24.0 ppb (22) N/A 1.0 ppb (1) 22.0 ppb (17) 0.6 ppb (7) 92.0 μg/m3 (68) N/A 68.0
 
March 26, 2020, 1 a.m. N/A N/A N/A 15.0 ppb (14) N/A 6.0 ppb (9) 34.0 ppb (26) 0.5 ppb (6) 64.0 μg/m3 (54) N/A 54.0
 
March 26, 2020, midnight N/A N/A N/A 13.0 ppb (12) N/A 4.0 ppb (6) 58.0 ppb (45) 0.4 ppb (4) 54.0 μg/m3 (49) N/A 49.0
 
March 25, 2020, 11 p.m. N/A N/A N/A 13.0 ppb (12) N/A 3.0 ppb (4) 75.0 ppb (58) 0.5 ppb (6) 34.0 μg/m3 (31) N/A 58.0
 
March 25, 2020, 10 p.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 77.0 ppb (60) 0.4 ppb (4) 24.0 μg/m3 (22) N/A 60.0
 
March 25, 2020, 9 p.m. N/A N/A N/A 14.0 ppb (13) N/A 2.0 ppb (3) 75.0 ppb (58) 0.5 ppb (6) 50.0 μg/m3 (45) N/A 58.0
 
March 25, 2020, 8 p.m. N/A N/A N/A 20.0 ppb (19) N/A 3.0 ppb (4) 73.0 ppb (57) 0.6 ppb (7) 51.0 μg/m3 (46) N/A 57.0
 
March 25, 2020, 7 p.m. N/A N/A N/A 30.0 ppb (28) N/A 3.0 ppb (4) 63.0 ppb (48) 0.7 ppb (8) 60.0 μg/m3 (52) N/A 52.0
 
March 25, 2020, 6 p.m. N/A N/A N/A 45.0 ppb (42) N/A 2.0 ppb (3) 41.0 ppb (32) 0.8 ppb (9) 36.0 μg/m3 (33) N/A 42.0
 
March 25, 2020, 5 p.m. N/A N/A N/A 29.0 ppb (27) N/A 2.0 ppb (3) 39.0 ppb (30) 0.7 ppb (8) 33.0 μg/m3 (30) N/A 30.0
 
March 25, 2020, 4 p.m. N/A N/A N/A 32.0 ppb (30) N/A 2.0 ppb (3) 26.0 ppb (20) 0.7 ppb (8) 54.0 μg/m3 (49) N/A 49.0
 
March 25, 2020, 3 p.m. N/A N/A N/A 48.0 ppb (44) N/A 3.0 ppb (4) 6.0 ppb (5) 1.2 ppb (13) 53.0 μg/m3 (48) N/A 48.0
 
March 25, 2020, 2 p.m. N/A N/A N/A 35.0 ppb (32) N/A 3.0 ppb (4) 1.0 ppb (1) 1.3 ppb (14) 35.0 μg/m3 (32) N/A 32.0
 
March 25, 2020, 1 p.m. N/A N/A N/A 32.0 ppb (30) N/A 2.0 ppb (3) 0.0 ppb (0) 0.9 ppb (10) 31.0 μg/m3 (28) N/A 30.0
 
March 25, 2020, noon N/A N/A N/A 25.0 ppb (23) N/A 2.0 ppb (3) 3.0 ppb (2) 0.7 ppb (8) 21.0 μg/m3 (19) N/A 23.0
 
March 25, 2020, 11 a.m. N/A N/A N/A 10.0 ppb (9) N/A 2.0 ppb (3) 18.0 ppb (14) 0.4 ppb (4) 19.0 μg/m3 (17) N/A 17.0
 
March 25, 2020, 10 a.m. N/A N/A N/A 6.0 ppb (6) N/A 3.0 ppb (4) 22.0 ppb (17) 0.4 ppb (4) 14.0 μg/m3 (13) N/A 17.0
 
March 25, 2020, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 25.0 ppb (19) 0.4 ppb (4) 25.0 μg/m3 (23) N/A 23.0
 
March 25, 2020, 8 a.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 20.0 ppb (15) 0.5 ppb (6) 38.0 μg/m3 (35) N/A 35.0
 
March 25, 2020, 7 a.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 20.0 ppb (15) 0.5 ppb (6) 56.0 μg/m3 (50) N/A 50.0
 
March 25, 2020, 6 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (1) 13.0 ppb (10) 0.6 ppb (7) 56.0 μg/m3 (50) N/A 50.0
 
March 25, 2020, 5 a.m. N/A N/A N/A 28.0 ppb (26) N/A 1.0 ppb (1) 8.0 ppb (6) 0.7 ppb (8) 51.0 μg/m3 (46) N/A 46.0
 
March 25, 2020, 4 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 19.0 ppb (15) 0.5 ppb (6) 113.0 μg/m3 (79) N/A 79.0
 
March 25, 2020, 3 a.m. N/A N/A N/A 23.0 ppb (21) N/A 1.0 ppb (1) 17.0 ppb (13) 0.6 ppb (7) 96.0 μg/m3 (70) N/A 70.0
 
March 25, 2020, 2 a.m. N/A N/A N/A 33.0 ppb (31) N/A 1.0 ppb (1) 21.0 ppb (16) 0.6 ppb (7) 53.0 μg/m3 (48) N/A 48.0
 
March 25, 2020, 1 a.m. N/A N/A N/A 16.0 ppb (15) N/A 3.0 ppb (4) 43.0 ppb (33) 0.5 ppb (6) 28.0 μg/m3 (25) N/A 33.0
 
March 25, 2020, midnight N/A N/A N/A 8.0 ppb (7) N/A 7.0 ppb (10) 55.0 ppb (42) 0.4 ppb (4) 18.0 μg/m3 (16) N/A 42.0
 
March 24, 2020, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 8.0 ppb (11) 57.0 ppb (44) 0.4 ppb (4) 9.0 μg/m3 (8) N/A 44.0
 
March 24, 2020, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 8.0 ppb (11) 55.0 ppb (42) 0.3 ppb (3) 28.0 μg/m3 (25) N/A 42.0
 
March 24, 2020, 9 p.m. N/A N/A N/A 8.0 ppb (7) N/A 13.0 ppb (19) 51.0 ppb (39) 0.4 ppb (4) 33.0 μg/m3 (30) N/A 39.0
 
March 24, 2020, 8 p.m. N/A N/A N/A 8.0 ppb (7) N/A 13.0 ppb (19) 50.0 ppb (38) 0.4 ppb (4) 25.0 μg/m3 (23) N/A 38.0
 
March 24, 2020, 7 p.m. N/A N/A N/A 10.0 ppb (9) N/A 3.0 ppb (4) 45.0 ppb (35) 0.4 ppb (4) 34.0 μg/m3 (31) N/A 35.0
 
March 24, 2020, 6 p.m. N/A N/A N/A 17.0 ppb (16) N/A 3.0 ppb (4) 41.0 ppb (32) 0.5 ppb (6) 62.0 μg/m3 (54) N/A 54.0
 
March 24, 2020, 5 p.m. N/A N/A N/A 42.0 ppb (39) N/A 3.0 ppb (4) 23.0 ppb (18) 0.8 ppb (9) 66.0 μg/m3 (56) N/A 56.0
 
March 24, 2020, 4 p.m. N/A N/A N/A 28.0 ppb (26) N/A 2.0 ppb (3) 22.0 ppb (17) 0.7 ppb (8) 55.0 μg/m3 (50) N/A 50.0
 
March 24, 2020, 3 p.m. N/A N/A N/A 28.0 ppb (26) N/A 2.0 ppb (3) 13.0 ppb (10) 0.8 ppb (9) 58.0 μg/m3 (52) N/A 52.0
 
March 24, 2020, 2 p.m. N/A N/A N/A 36.0 ppb (33) N/A 3.0 ppb (4) 0.0 ppb (0) 1.4 ppb (16) 35.0 μg/m3 (32) N/A 33.0
 
March 24, 2020, 1 p.m. N/A N/A N/A 31.0 ppb (29) N/A 3.0 ppb (4) 0.0 ppb (0) 1.1 ppb (12) 28.0 μg/m3 (25) N/A 29.0
 
March 24, 2020, noon N/A N/A N/A 25.0 ppb (23) N/A 3.0 ppb (4) 4.0 ppb (3) 0.6 ppb (7) 18.0 μg/m3 (16) N/A 23.0
 
March 24, 2020, 11 a.m. N/A N/A N/A 17.0 ppb (16) N/A 3.0 ppb (4) 9.0 ppb (7) 0.5 ppb (6) 21.0 μg/m3 (19) N/A 19.0
 
March 24, 2020, 10 a.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 9.0 ppb (7) 0.5 ppb (6) 22.0 μg/m3 (20) N/A 20.0
 
March 24, 2020, 9 a.m. N/A N/A N/A 13.0 ppb (12) N/A 2.0 ppb (3) 14.0 ppb (11) 0.5 ppb (6) 21.0 μg/m3 (19) N/A 19.0
 
March 24, 2020, 8 a.m. N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) 17.0 ppb (13) 0.4 ppb (4) 12.0 μg/m3 (11) N/A 13.0
 
March 24, 2020, 7 a.m. N/A N/A N/A 9.0 ppb (8) N/A 4.0 ppb (6) 21.0 ppb (16) 0.4 ppb (4) 25.0 μg/m3 (23) N/A 23.0
 
March 24, 2020, 6 a.m. N/A N/A N/A 14.0 ppb (13) N/A 6.0 ppb (9) 19.0 ppb (15) 0.5 ppb (6) 68.0 μg/m3 (56) N/A 56.0
 
March 24, 2020, 5 a.m. N/A N/A N/A 21.0 ppb (19) N/A 2.0 ppb (3) 18.0 ppb (14) 0.6 ppb (7) 62.0 μg/m3 (54) N/A 54.0
 
March 24, 2020, 4 a.m. N/A N/A N/A 40.0 ppb (37) N/A 1.0 ppb (1) 10.0 ppb (8) 0.9 ppb (10) 81.0 μg/m3 (63) N/A 63.0
 
March 24, 2020, 3 a.m. N/A N/A N/A 28.0 ppb (26) N/A 3.0 ppb (4) 18.0 ppb (14) 0.7 ppb (8) 77.0 μg/m3 (61) N/A 61.0
 
March 24, 2020, 2 a.m. N/A N/A N/A 26.0 ppb (24) N/A 2.0 ppb (3) 21.0 ppb (16) 0.6 ppb (7) 64.0 μg/m3 (54) N/A 54.0
 
March 24, 2020, 1 a.m. N/A N/A N/A 14.0 ppb (13) N/A 8.0 ppb (11) 43.0 ppb (33) 0.5 ppb (6) 46.0 μg/m3 (42) N/A 42.0
 
March 24, 2020, midnight N/A N/A N/A 9.0 ppb (8) N/A 4.0 ppb (6) 60.0 ppb (46) 0.4 ppb (4) 35.0 μg/m3 (32) N/A 46.0
 
March 23, 2020, 11 p.m. N/A N/A N/A 7.0 ppb (6) N/A 2.0 ppb (3) 66.0 ppb (51) 0.4 ppb (4) 26.0 μg/m3 (24) N/A 51.0
 
March 23, 2020, 10 p.m. N/A N/A N/A 7.0 ppb (6) N/A 2.0 ppb (3) 60.0 ppb (46) 0.4 ppb (4) 20.0 μg/m3 (18) N/A 46.0
 
March 23, 2020, 9 p.m. N/A N/A N/A 7.0 ppb (6) N/A 2.0 ppb (3) 55.0 ppb (42) 0.4 ppb (4) 10.0 μg/m3 (9) N/A 42.0
 
March 23, 2020, 8 p.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 49.0 ppb (38) 0.4 ppb (4) N/A N/A 38.0
 
March 23, 2020, 7 p.m. N/A N/A N/A 24.0 ppb (22) N/A 2.0 ppb (3) 46.0 ppb (35) 0.5 ppb (6) 7.0 μg/m3 (6) N/A 35.0
 
March 23, 2020, 6 p.m. N/A N/A N/A 20.0 ppb (19) N/A 3.0 ppb (4) 46.0 ppb (35) 0.6 ppb (7) 27.0 μg/m3 (25) N/A 35.0
 
March 23, 2020, 5 p.m. N/A N/A N/A 20.0 ppb (19) N/A 3.0 ppb (4) 38.0 ppb (29) 0.6 ppb (7) 35.0 μg/m3 (32) N/A 32.0
 
March 23, 2020, 4 p.m. N/A N/A N/A 27.0 ppb (25) N/A 3.0 ppb (4) 21.0 ppb (16) 0.7 ppb (8) 44.0 μg/m3 (40) N/A 40.0
 
March 23, 2020, 3 p.m. N/A N/A N/A 32.0 ppb (30) N/A 4.0 ppb (6) 8.0 ppb (6) 0.9 ppb (10) 45.0 μg/m3 (41) N/A 41.0
 
March 23, 2020, 2 p.m. N/A N/A N/A 30.0 ppb (28) N/A 3.0 ppb (4) 0.0 ppb (0) 1.2 ppb (13) 26.0 μg/m3 (24) N/A 28.0
 
March 23, 2020, 1 p.m. N/A N/A N/A 27.0 ppb (25) N/A 2.0 ppb (3) 1.0 ppb (1) 0.8 ppb (9) 17.0 μg/m3 (15) N/A 25.0
 
March 23, 2020, noon N/A N/A N/A 21.0 ppb (19) N/A 2.0 ppb (3) 3.0 ppb (2) 0.6 ppb (7) 2.0 μg/m3 (2) N/A 19.0
 
March 23, 2020, 11 a.m. N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) 11.0 ppb (8) 0.4 ppb (4) 10.0 μg/m3 (9) N/A 10.0
 
March 23, 2020, 10 a.m. N/A N/A N/A 8.0 ppb (7) N/A 3.0 ppb (4) 13.0 ppb (10) 0.4 ppb (4) 2.0 μg/m3 (2) N/A 10.0
 
March 23, 2020, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A 4.0 ppb (6) 16.0 ppb (12) 0.4 ppb (4) 21.0 μg/m3 (19) N/A 19.0
 
March 23, 2020, 8 a.m. N/A N/A N/A 10.0 ppb (9) N/A 9.0 ppb (13) 13.0 ppb (10) 0.5 ppb (6) 41.0 μg/m3 (37) N/A 37.0
 
March 23, 2020, 7 a.m. N/A N/A N/A 9.0 ppb (8) N/A 11.0 ppb (16) 15.0 ppb (12) 0.6 ppb (7) 54.0 μg/m3 (49) N/A 49.0
 
March 23, 2020, 6 a.m. N/A N/A N/A 11.0 ppb (10) N/A 11.0 ppb (16) 15.0 ppb (12) 0.6 ppb (7) 68.0 μg/m3 (56) N/A 56.0
 
March 23, 2020, 5 a.m. N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 17.0 ppb (13) 0.5 ppb (6) N/A N/A 13.0
 
March 23, 2020, 4 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 18.0 ppb (14) 0.5 ppb (6) 36.0 μg/m3 (33) N/A 33.0
 
March 23, 2020, 3 a.m. N/A N/A N/A 15.0 ppb (14) N/A 1.0 ppb (1) 20.0 ppb (15) 0.5 ppb (6) 64.0 μg/m3 (54) N/A 54.0
 
March 23, 2020, 2 a.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 24.0 ppb (18) 0.5 ppb (6) 52.0 μg/m3 (47) N/A 47.0
 
March 23, 2020, 1 a.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 30.0 ppb (23) 0.4 ppb (4) 64.0 μg/m3 (54) N/A 54.0
 
March 23, 2020, midnight N/A N/A N/A 7.0 ppb (6) N/A 4.0 ppb (6) 44.0 ppb (34) 0.4 ppb (4) 31.0 μg/m3 (28) N/A 34.0
 
March 22, 2020, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 10.0 ppb (14) 52.0 ppb (40) 0.4 ppb (4) 24.0 μg/m3 (22) N/A 40.0
 
March 22, 2020, 10 p.m. N/A N/A N/A 8.0 ppb (7) N/A 27.0 ppb (39) 62.0 ppb (48) 0.5 ppb (6) 35.0 μg/m3 (32) N/A 48.0
 
March 22, 2020, 9 p.m. N/A N/A N/A 7.0 ppb (6) N/A 5.0 ppb (7) 51.0 ppb (39) 0.4 ppb (4) 2.0 μg/m3 (2) N/A 39.0
 
March 22, 2020, 8 p.m. N/A N/A N/A 8.0 ppb (7) N/A 3.0 ppb (4) 50.0 ppb (38) 0.5 ppb (6) 17.0 μg/m3 (15) N/A 38.0
 
March 22, 2020, 7 p.m. N/A N/A N/A 19.0 ppb (18) N/A 6.0 ppb (9) 48.0 ppb (37) 0.6 ppb (7) 17.0 μg/m3 (15) N/A 37.0
 
March 22, 2020, 6 p.m. N/A N/A N/A 19.0 ppb (18) N/A 5.0 ppb (7) 42.0 ppb (32) 0.6 ppb (7) 31.0 μg/m3 (28) N/A 32.0
 
March 22, 2020, 5 p.m. N/A N/A N/A 16.0 ppb (15) N/A 5.0 ppb (7) 37.0 ppb (28) 0.7 ppb (8) 37.0 μg/m3 (34) N/A 34.0
 
March 22, 2020, 4 p.m. N/A N/A N/A 16.0 ppb (15) N/A 6.0 ppb (9) 24.0 ppb (18) 0.6 ppb (7) 59.0 μg/m3 (52) N/A 52.0
 
March 22, 2020, 3 p.m. N/A N/A N/A 22.0 ppb (20) N/A 5.0 ppb (7) 12.0 ppb (9) 0.9 ppb (10) 41.0 μg/m3 (37) N/A 37.0
 
March 22, 2020, 2 p.m. N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) 4.0 ppb (3) 0.8 ppb (9) 21.0 μg/m3 (19) N/A 19.0
 
March 22, 2020, 1 p.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 3.0 ppb (2) 0.7 ppb (8) 23.0 μg/m3 (21) N/A 21.0
 
March 22, 2020, noon N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) 10.0 ppb (8) 0.5 ppb (6) 21.0 μg/m3 (19) N/A 19.0
 
March 22, 2020, 11 a.m. N/A N/A N/A 7.0 ppb (6) N/A 3.0 ppb (4) 13.0 ppb (10) 0.5 ppb (6) 15.0 μg/m3 (14) N/A 14.0
 
March 22, 2020, 10 a.m. N/A N/A N/A 11.0 ppb (10) N/A 5.0 ppb (7) 8.0 ppb (6) 0.6 ppb (7) 17.0 μg/m3 (15) N/A 15.0
 
March 22, 2020, 9 a.m. N/A N/A N/A 9.0 ppb (8) N/A 9.0 ppb (13) 9.0 ppb (7) 0.6 ppb (7) 13.0 μg/m3 (12) N/A 13.0
 
March 22, 2020, 8 a.m. N/A N/A N/A 13.0 ppb (12) N/A 15.0 ppb (21) 9.0 ppb (7) 0.6 ppb (7) 27.0 μg/m3 (25) N/A 25.0