ID: 2555

AQSQID: 80011G013

Site Name: Estaci¢N Dif

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

Updated: Sept. 25, 2021, 8 a.m.

Location: Salamanca (Irapuato), MX

Reporting: True, Located: True

Current AQI: 61.0

Salamanca (Irapuato) MX, MX: 20.558153, -101.20485

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 16, 2021, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 9.0 ppb (9) 1.43 ppb (16) 37.0 μg/m3 (35) 17.5 μg/m3 (63) 63.0
 
Sept. 16, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 11.0 ppb (11) 1.36 ppb (16) 28.0 μg/m3 (26) 6.2 μg/m3 (26) 26.0
 
Sept. 16, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 11.0 ppb (11) 1.26 ppb (15) 27.0 μg/m3 (25) 11.5 μg/m3 (48) 48.0
 
Sept. 16, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 12.0 ppb (12) 1.3 ppb (15) 41.0 μg/m3 (38) 11.7 μg/m3 (49) 49.0
 
Sept. 16, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 10.0 ppb (10) 1.39 ppb (16) 49.0 μg/m3 (46) 7.3 μg/m3 (31) 46.0
 
Sept. 16, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 19.0 ppb (18) 1.38 ppb (16) 43.0 μg/m3 (40) 7.7 μg/m3 (33) 40.0
 
Sept. 16, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) 32.0 ppb (30) 1.28 ppb (15) 26.0 μg/m3 (25) 9.5 μg/m3 (40) 40.0
 
Sept. 15, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 31.0 ppb (29) 1.24 ppb (14) 17.0 μg/m3 (16) 8.5 μg/m3 (36) 36.0
 
Sept. 15, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 32.0 ppb (30) 1.31 ppb (15) 10.0 μg/m3 (10) 8.5 μg/m3 (36) 36.0
 
Sept. 15, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 34.0 ppb (32) 1.18 ppb (14) 5.0 μg/m3 (5) 10.3 μg/m3 (43) 43.0
 
Sept. 15, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 32.0 ppb (30) 1.21 ppb (14) 3.0 μg/m3 (3) 18.4 μg/m3 (65) 65.0
 
Sept. 15, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 29.0 ppb (27) 1.21 ppb (14) 7.0 μg/m3 (7) 22.5 μg/m3 (73) 73.0
 
Sept. 15, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 27.0 ppb (25) 1.23 ppb (14) 15.0 μg/m3 (14) 19.2 μg/m3 (66) 66.0
 
Sept. 15, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 21.0 ppb (20) 1.21 ppb (14) 24.0 μg/m3 (23) 4.9 μg/m3 (21) 23.0
 
Sept. 15, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 13.0 ppb (13) 1.24 ppb (14) 10.0 μg/m3 (10) 4.7 μg/m3 (20) 20.0
 
Sept. 15, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 7.0 ppb (7) 1.26 ppb (15) 15.0 μg/m3 (14) 4.7 μg/m3 (20) 20.0
 
Sept. 15, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 4.0 ppb (4) 1.31 ppb (15) 20.0 μg/m3 (19) 3.4 μg/m3 (15) 19.0
 
Sept. 15, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 2.0 ppb (2) 1.25 ppb (14) 12.0 μg/m3 (12) 3.7 μg/m3 (16) 16.0
 
Sept. 15, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) 5.0 ppb (5) 1.15 ppb (13) 13.0 μg/m3 (13) 3.8 μg/m3 (16) 16.0
 
Sept. 15, 2021, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 5.0 ppb (5) 1.13 ppb (13) 12.0 μg/m3 (12) 3.5 μg/m3 (15) 15.0
 
Sept. 15, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 5.0 ppb (5) 1.11 ppb (13) 3.0 μg/m3 (3) 5.4 μg/m3 (23) 23.0
 
Sept. 15, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 7.0 ppb (7) 1.1 ppb (13) 7.0 μg/m3 (7) 4.6 μg/m3 (20) 20.0
 
Sept. 15, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 12.0 ppb (12) 1.09 ppb (13) 2.0 μg/m3 (2) 4.8 μg/m3 (20) 20.0
 
Sept. 15, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 13.0 ppb (13) 1.09 ppb (13) 4.0 μg/m3 (4) 4.5 μg/m3 (19) 19.0
 
Sept. 15, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 14.0 ppb (13) 1.1 ppb (13) 6.0 μg/m3 (6) 0.9 μg/m3 (4) 13.0
 
Sept. 15, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 15.0 ppb (14) 1.12 ppb (13) 5.0 μg/m3 (5) 0.6 μg/m3 (3) 14.0
 
Sept. 15, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 13.0 ppb (13) 1.15 ppb (13) 14.0 μg/m3 (13) 0.6 μg/m3 (3) 13.0
 
Sept. 15, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 14.0 ppb (13) 1.17 ppb (14) 18.0 μg/m3 (17) 0.6 μg/m3 (3) 17.0
 
Sept. 15, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 17.0 ppb (16) 1.17 ppb (14) 16.0 μg/m3 (15) 0.8 μg/m3 (4) 16.0
 
Sept. 15, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 21.0 ppb (20) 1.2 ppb (14) 38.0 μg/m3 (36) 0.8 μg/m3 (4) 36.0
 
Sept. 15, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) 27.0 ppb (25) 1.23 ppb (14) 18.0 μg/m3 (17) 4.7 μg/m3 (20) 25.0
 
Sept. 14, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) 1.19 ppb (14) 16.0 μg/m3 (15) 8.5 μg/m3 (36) 36.0
 
Sept. 14, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 31.0 ppb (29) 1.15 ppb (13) 1.0 μg/m3 (1) 11.3 μg/m3 (48) 48.0
 
Sept. 14, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) 1.18 ppb (14) 7.0 μg/m3 (7) 14.0 μg/m3 (55) 55.0
 
Sept. 14, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 32.0 ppb (30) 1.22 ppb (14) 9.0 μg/m3 (9) 18.2 μg/m3 (64) 64.0
 
Sept. 14, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 30.0 ppb (28) 1.18 ppb (14) 6.0 μg/m3 (6) 9.6 μg/m3 (40) 40.0
 
Sept. 14, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 20.0 ppb (19) 1.33 ppb (15) 16.0 μg/m3 (15) 15.8 μg/m3 (59) 59.0
 
Sept. 14, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 16.0 ppb (15) 1.35 ppb (16) 10.0 μg/m3 (10) 13.6 μg/m3 (55) 55.0
 
Sept. 14, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 13.0 ppb (13) 1.32 ppb (15) 23.0 μg/m3 (22) 9.9 μg/m3 (42) 42.0
 
Sept. 14, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 6.0 ppb (6) 1.63 ppb (19) 25.0 μg/m3 (24) 10.4 μg/m3 (44) 44.0
 
Sept. 14, 2021, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 3.0 ppb (3) 1.82 ppb (21) 23.0 μg/m3 (22) 10.4 μg/m3 (44) 44.0
 
Sept. 14, 2021, 1 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 1.0 ppb (1) 1.75 ppb (21) 15.0 μg/m3 (14) 4.7 μg/m3 (20) 21.0
 
Sept. 14, 2021, noon N/A N/A N/A N/A N/A 2.0 ppb (3) 3.0 ppb (3) 1.26 ppb (15) 9.0 μg/m3 (9) 0.8 μg/m3 (4) 15.0
 
Sept. 14, 2021, 11 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 12.0 ppb (12) 1.11 ppb (13) 5.0 μg/m3 (5) 5.4 μg/m3 (23) 23.0
 
Sept. 14, 2021, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 16.0 ppb (15) 1.1 ppb (13) 3.0 μg/m3 (3) 8.3 μg/m3 (35) 35.0
 
Sept. 14, 2021, 9 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 18.0 ppb (17) 1.1 ppb (13) 3.0 μg/m3 (3) 4.3 μg/m3 (18) 18.0
 
Sept. 14, 2021, 8 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 19.0 ppb (18) 1.1 ppb (13) 10.0 μg/m3 (10) 6.3 μg/m3 (27) 27.0
 
Sept. 14, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 6.0 ppb (6) 1.12 ppb (13) 15.0 μg/m3 (14) 5.1 μg/m3 (22) 22.0
 
Sept. 14, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 9.0 ppb (9) 1.14 ppb (13) 5.0 μg/m3 (5) 0.9 μg/m3 (4) 13.0
 
Sept. 14, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 13.0 ppb (13) 1.16 ppb (14) 11.0 μg/m3 (11) 1.5 μg/m3 (7) 14.0
 
Sept. 14, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 14.0 ppb (13) 1.24 ppb (14) 18.0 μg/m3 (17) 9.4 μg/m3 (40) 40.0
 
Sept. 14, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 16.0 ppb (15) 1.38 ppb (16) 28.0 μg/m3 (26) 6.7 μg/m3 (28) 28.0
 
Sept. 14, 2021, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 19.0 ppb (18) 1.43 ppb (16) 31.0 μg/m3 (29) 6.5 μg/m3 (28) 29.0
 
Sept. 14, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 23.0 ppb (22) 1.53 ppb (18) 44.0 μg/m3 (41) 12.9 μg/m3 (53) 53.0
 
Sept. 14, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) 31.0 ppb (29) 1.4 ppb (16) 44.0 μg/m3 (41) 14.7 μg/m3 (57) 57.0
 
Sept. 13, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 36.0 ppb (34) 1.42 ppb (16) 37.0 μg/m3 (35) 14.8 μg/m3 (57) 57.0
 
Sept. 13, 2021, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 38.0 ppb (36) 1.24 ppb (14) 27.0 μg/m3 (25) 16.9 μg/m3 (62) 62.0
 
Sept. 13, 2021, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 38.0 ppb (36) 1.26 ppb (15) 18.0 μg/m3 (17) 18.8 μg/m3 (66) 66.0
 
Sept. 13, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 37.0 ppb (35) 1.25 ppb (14) 23.0 μg/m3 (22) 9.6 μg/m3 (40) 40.0
 
Sept. 13, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 34.0 ppb (32) 1.32 ppb (15) 20.0 μg/m3 (19) 4.1 μg/m3 (18) 32.0
 
Sept. 13, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 29.0 ppb (27) 1.33 ppb (15) 31.0 μg/m3 (29) 5.6 μg/m3 (24) 29.0
 
Sept. 13, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 25.0 ppb (24) 1.31 ppb (15) 69.0 μg/m3 (58) 9.8 μg/m3 (41) 58.0
 
Sept. 13, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 23.0 ppb (22) 1.33 ppb (15) 45.0 μg/m3 (42) 10.4 μg/m3 (44) 44.0
 
Sept. 13, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 19.0 ppb (18) 1.41 ppb (16) 47.0 μg/m3 (44) 12.5 μg/m3 (52) 52.0
 
Sept. 13, 2021, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 5.0 ppb (5) 1.81 ppb (21) 60.0 μg/m3 (54) 13.3 μg/m3 (54) 54.0
 
Sept. 13, 2021, 1 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 7.0 ppb (7) 1.6 ppb (19) 34.0 μg/m3 (32) 7.4 μg/m3 (31) 32.0
 
Sept. 13, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) 13.0 ppb (13) 1.29 ppb (15) 14.0 μg/m3 (13) 3.1 μg/m3 (13) 15.0
 
Sept. 13, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 18.0 ppb (17) 1.07 ppb (13) 6.0 μg/m3 (6) 0.7 μg/m3 (3) 17.0
 
Sept. 13, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 19.0 ppb (18) 1.03 ppb (12) 9.0 μg/m3 (9) 0.6 μg/m3 (3) 18.0
 
Sept. 13, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 19.0 ppb (18) 1.03 ppb (12) 3.0 μg/m3 (3) 16.4 μg/m3 (61) 61.0
 
Sept. 13, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 21.0 ppb (20) 1.02 ppb (12) 6.0 μg/m3 (6) 7.2 μg/m3 (31) 31.0
 
Sept. 13, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 20.0 ppb (19) 1.05 ppb (13) 15.0 μg/m3 (14) 3.3 μg/m3 (14) 19.0
 
Sept. 13, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 20.0 ppb (19) 1.06 ppb (13) 10.0 μg/m3 (10) 0.7 μg/m3 (3) 19.0
 
Sept. 13, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 20.0 ppb (19) 1.11 ppb (13) 21.0 μg/m3 (20) 2.7 μg/m3 (12) 20.0
 
Sept. 13, 2021, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 21.0 ppb (20) 1.24 ppb (14) 30.0 μg/m3 (28) 6.7 μg/m3 (28) 28.0
 
Sept. 13, 2021, 3 a.m. N/A N/A N/A N/A N/A 21.0 ppb (30) 22.0 ppb (21) 1.28 ppb (15) 32.0 μg/m3 (30) 5.3 μg/m3 (23) 30.0
 
Sept. 13, 2021, 2 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 23.0 ppb (22) 1.29 ppb (15) 32.0 μg/m3 (30) 6.8 μg/m3 (29) 30.0
 
Sept. 13, 2021, 1 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 28.0 ppb (26) 1.29 ppb (15) 28.0 μg/m3 (26) 7.6 μg/m3 (32) 32.0
 
Sept. 13, 2021, midnight N/A N/A N/A N/A N/A 13.0 ppb (19) 32.0 ppb (30) 1.19 ppb (14) 23.0 μg/m3 (22) 9.3 μg/m3 (39) 39.0
 
Sept. 12, 2021, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 33.0 ppb (31) 1.23 ppb (14) 16.0 μg/m3 (15) 10.8 μg/m3 (46) 46.0
 
Sept. 12, 2021, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 31.0 ppb (29) 1.25 ppb (14) 15.0 μg/m3 (14) 23.4 μg/m3 (75) 75.0
 
Sept. 12, 2021, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 30.0 ppb (28) 1.28 ppb (15) 17.0 μg/m3 (16) 4.4 μg/m3 (19) 28.0
 
Sept. 12, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 30.0 ppb (28) 1.32 ppb (15) 13.0 μg/m3 (13) 9.9 μg/m3 (42) 42.0
 
Sept. 12, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 31.0 ppb (29) 1.3 ppb (15) 4.0 μg/m3 (4) 9.9 μg/m3 (42) 42.0
 
Sept. 12, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 29.0 ppb (27) 1.32 ppb (15) 37.0 μg/m3 (35) 4.6 μg/m3 (20) 35.0
 
Sept. 12, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 29.0 ppb (27) 1.26 ppb (15) 59.0 μg/m3 (53) 5.2 μg/m3 (22) 53.0
 
Sept. 12, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) 1.22 ppb (14) 16.0 μg/m3 (15) 7.5 μg/m3 (32) 32.0
 
Sept. 12, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 21.0 ppb (20) 1.27 ppb (15) 15.0 μg/m3 (14) 5.4 μg/m3 (23) 23.0
 
Sept. 12, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 11.0 ppb (11) 1.38 ppb (16) 17.0 μg/m3 (16) 5.9 μg/m3 (25) 25.0
 
Sept. 12, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 11.0 ppb (11) 1.24 ppb (14) 12.0 μg/m3 (12) 6.4 μg/m3 (27) 27.0
 
Sept. 12, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) 12.0 ppb (12) 1.12 ppb (13) 15.0 μg/m3 (14) 7.6 μg/m3 (32) 32.0
 
Sept. 12, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 12.0 ppb (12) 1.08 ppb (13) 12.0 μg/m3 (12) 5.9 μg/m3 (25) 25.0
 
Sept. 12, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 13.0 ppb (13) 1.07 ppb (13) 11.0 μg/m3 (11) 3.7 μg/m3 (16) 16.0
 
Sept. 12, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 15.0 ppb (14) 1.06 ppb (13) 10.0 μg/m3 (10) 0.7 μg/m3 (3) 14.0
 
Sept. 12, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 17.0 ppb (16) 1.08 ppb (13) 8.0 μg/m3 (8) 0.6 μg/m3 (3) 16.0
 
Sept. 12, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 21.0 ppb (20) 1.07 ppb (13) 8.0 μg/m3 (8) 4.0 μg/m3 (17) 20.0
 
Sept. 12, 2021, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 21.0 ppb (20) 1.12 ppb (13) 16.0 μg/m3 (15) 8.2 μg/m3 (35) 35.0
 
Sept. 12, 2021, 5 a.m. N/A N/A N/A N/A N/A 20.0 ppb (29) 20.0 ppb (19) 1.22 ppb (14) 29.0 μg/m3 (27) 8.7 μg/m3 (37) 37.0
 
Sept. 12, 2021, 4 a.m. N/A N/A N/A N/A N/A 45.0 ppb (63) 23.0 ppb (22) 1.51 ppb (18) 23.0 μg/m3 (22) 7.3 μg/m3 (31) 63.0
 
Sept. 12, 2021, 3 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 26.0 ppb (25) 1.18 ppb (14) 33.0 μg/m3 (31) 5.1 μg/m3 (22) 31.0
 
Sept. 12, 2021, 2 a.m. N/A N/A N/A N/A N/A 44.0 ppb (62) 28.0 ppb (26) 1.78 ppb (21) 34.0 μg/m3 (32) 4.5 μg/m3 (19) 62.0
 
Sept. 12, 2021, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 34.0 ppb (32) 1.17 ppb (14) 28.0 μg/m3 (26) 8.2 μg/m3 (35) 35.0
 
Sept. 12, 2021, midnight N/A N/A N/A N/A N/A 3.0 ppb (5) 36.0 ppb (34) 1.14 ppb (13) 34.0 μg/m3 (32) 11.9 μg/m3 (50) 50.0
 
Sept. 11, 2021, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 39.0 ppb (37) 1.19 ppb (14) 39.0 μg/m3 (37) 15.7 μg/m3 (59) 59.0
 
Sept. 11, 2021, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 41.0 ppb (38) 1.23 ppb (14) 21.0 μg/m3 (20) 17.6 μg/m3 (63) 63.0
 
Sept. 11, 2021, 9 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 41.0 ppb (38) 1.32 ppb (15) 18.0 μg/m3 (17) 7.2 μg/m3 (31) 38.0
 
Sept. 11, 2021, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 40.0 ppb (38) 1.33 ppb (15) 18.0 μg/m3 (17) 6.9 μg/m3 (29) 38.0
 
Sept. 11, 2021, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 37.0 ppb (35) 1.35 ppb (16) 27.0 μg/m3 (25) 7.9 μg/m3 (33) 35.0
 
Sept. 11, 2021, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 36.0 ppb (34) 1.35 ppb (16) 24.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
Sept. 11, 2021, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 33.0 ppb (31) 1.48 ppb (18) 31.0 μg/m3 (29) 12.5 μg/m3 (52) 52.0
 
Sept. 11, 2021, 4 p.m. N/A N/A N/A N/A N/A 18.0 ppb (26) 28.0 ppb (26) 1.68 ppb (20) 41.0 μg/m3 (38) 15.5 μg/m3 (59) 59.0
 
Sept. 11, 2021, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 12.0 ppb (12) 1.67 ppb (20) 58.0 μg/m3 (53) 22.6 μg/m3 (74) 74.0
 
Sept. 11, 2021, 2 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 8.0 ppb (8) 1.67 ppb (20) 68.0 μg/m3 (58) 24.0 μg/m3 (77) 77.0
 
Sept. 11, 2021, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 5.0 ppb (5) 1.58 ppb (19) 56.0 μg/m3 (52) 20.4 μg/m3 (69) 69.0
 
Sept. 11, 2021, noon N/A N/A N/A N/A N/A 2.0 ppb (3) 9.0 ppb (9) 1.38 ppb (16) 32.0 μg/m3 (30) 10.1 μg/m3 (43) 43.0
 
Sept. 11, 2021, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 19.0 ppb (18) 1.12 ppb (13) 16.0 μg/m3 (15) 11.5 μg/m3 (48) 48.0
 
Sept. 11, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 20.0 ppb (19) 1.06 ppb (13) 18.0 μg/m3 (17) 10.7 μg/m3 (45) 45.0
 
Sept. 11, 2021, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 25.0 ppb (24) 1.06 ppb (13) 14.0 μg/m3 (13) 9.5 μg/m3 (40) 40.0
 
Sept. 11, 2021, 8 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 28.0 ppb (26) 1.05 ppb (13) 22.0 μg/m3 (21) 7.1 μg/m3 (30) 30.0
 
Sept. 11, 2021, 7 a.m. N/A N/A N/A N/A N/A 21.0 ppb (30) 29.0 ppb (27) 1.35 ppb (16) 5.0 μg/m3 (5) 4.9 μg/m3 (21) 30.0
 
Sept. 11, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 35.0 ppb (33) 1.06 ppb (13) 23.0 μg/m3 (22) 7.7 μg/m3 (33) 33.0
 
Sept. 11, 2021, 5 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 33.0 ppb (31) 1.12 ppb (13) 27.0 μg/m3 (25) 6.3 μg/m3 (27) 31.0
 
Sept. 11, 2021, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 30.0 ppb (28) 1.2 ppb (14) 34.0 μg/m3 (32) 6.9 μg/m3 (29) 32.0
 
Sept. 11, 2021, 3 a.m. N/A N/A N/A N/A N/A 30.0 ppb (43) 33.0 ppb (31) 1.77 ppb (21) 47.0 μg/m3 (44) 8.8 μg/m3 (37) 44.0
 
Sept. 11, 2021, 2 a.m. N/A N/A N/A N/A N/A 98.0 ppb (111) 35.0 ppb (33) 2.46 ppb (29) 75.0 μg/m3 (61) 10.8 μg/m3 (46) 111.0
 
Sept. 11, 2021, 1 a.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 36.0 ppb (34) 1.72 ppb (20) 37.0 μg/m3 (35) 15.2 μg/m3 (58) 58.0
 
Sept. 11, 2021, midnight N/A N/A N/A N/A N/A 8.0 ppb (12) 44.0 ppb (41) 1.3 ppb (15) 31.0 μg/m3 (29) 22.2 μg/m3 (73) 73.0
 
Sept. 10, 2021, 11 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 46.0 ppb (43) 1.24 ppb (14) 42.0 μg/m3 (39) 27.9 μg/m3 (85) 85.0
 
Sept. 10, 2021, 10 p.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 47.0 ppb (44) 1.3 ppb (15) 29.0 μg/m3 (27) 12.2 μg/m3 (52) 52.0
 
Sept. 10, 2021, 9 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 48.0 ppb (45) 1.27 ppb (15) 25.0 μg/m3 (24) 12.6 μg/m3 (53) 53.0
 
Sept. 10, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 49.0 ppb (46) 1.26 ppb (15) 25.0 μg/m3 (24) 15.1 μg/m3 (58) 58.0
 
Sept. 10, 2021, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 48.0 ppb (45) 1.26 ppb (15) 28.0 μg/m3 (26) 12.8 μg/m3 (53) 53.0
 
Sept. 10, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 48.0 ppb (45) 1.17 ppb (14) 30.0 μg/m3 (28) 11.2 μg/m3 (47) 47.0
 
Sept. 10, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 44.0 ppb (41) 1.23 ppb (14) 32.0 μg/m3 (30) 12.1 μg/m3 (51) 51.0
 
Sept. 10, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 36.0 ppb (34) 1.32 ppb (15) 40.0 μg/m3 (38) 17.6 μg/m3 (63) 63.0
 
Sept. 10, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 16.0 ppb (15) 1.51 ppb (18) 53.0 μg/m3 (50) 21.0 μg/m3 (70) 70.0
 
Sept. 10, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 7.0 ppb (7) 1.56 ppb (19) 72.0 μg/m3 (60) 16.4 μg/m3 (61) 61.0
 
Sept. 10, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 9.0 ppb (9) 1.51 ppb (18) 47.0 μg/m3 (44) 11.9 μg/m3 (50) 50.0
 
Sept. 10, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) 14.0 ppb (13) 1.24 ppb (14) 29.0 μg/m3 (27) 11.7 μg/m3 (49) 49.0
 
Sept. 10, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 25.0 ppb (24) 1.08 ppb (13) 21.0 μg/m3 (20) 10.7 μg/m3 (45) 45.0
 
Sept. 10, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) 1.02 ppb (12) 17.0 μg/m3 (16) 11.8 μg/m3 (50) 50.0
 
Sept. 10, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 33.0 ppb (31) 1.02 ppb (12) 18.0 μg/m3 (17) 16.0 μg/m3 (60) 60.0
 
Sept. 10, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 27.0 ppb (25) 1.01 ppb (12) 23.0 μg/m3 (22) 11.0 μg/m3 (46) 46.0
 
Sept. 10, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 21.0 ppb (20) 1.02 ppb (12) 28.0 μg/m3 (26) 7.7 μg/m3 (33) 33.0
 
Sept. 10, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 23.0 ppb (22) 1.05 ppb (13) 25.0 μg/m3 (24) 9.7 μg/m3 (41) 41.0
 
Sept. 10, 2021, 5 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 20.0 ppb (19) 1.08 ppb (13) 31.0 μg/m3 (29) 14.7 μg/m3 (57) 57.0
 
Sept. 10, 2021, 4 a.m. N/A N/A N/A N/A N/A 17.0 ppb (25) 23.0 ppb (22) 1.13 ppb (13) 43.0 μg/m3 (40) 10.5 μg/m3 (44) 44.0
 
Sept. 10, 2021, 3 a.m. N/A N/A N/A N/A N/A 83.0 ppb (105) 26.0 ppb (25) 1.22 ppb (14) 52.0 μg/m3 (49) 7.2 μg/m3 (31) 105.0
 
Sept. 10, 2021, 2 a.m. N/A N/A N/A N/A N/A 25.0 ppb (36) 26.0 ppb (25) 1.25 ppb (14) 54.0 μg/m3 (50) 11.4 μg/m3 (48) 50.0
 
Sept. 10, 2021, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 31.0 ppb (29) 1.25 ppb (14) 51.0 μg/m3 (48) 14.0 μg/m3 (55) 55.0
 
Sept. 10, 2021, midnight N/A N/A N/A N/A N/A 25.0 ppb (36) 36.0 ppb (34) 1.26 ppb (15) 39.0 μg/m3 (37) 12.1 μg/m3 (51) 51.0
 
Sept. 9, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 38.0 ppb (36) 1.29 ppb (15) 26.0 μg/m3 (25) 12.6 μg/m3 (53) 53.0
 
Sept. 9, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 48.0 ppb (45) 1.19 ppb (14) 19.0 μg/m3 (18) 13.6 μg/m3 (55) 55.0
 
Sept. 9, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 51.0 ppb (48) 1.18 ppb (14) 15.0 μg/m3 (14) 11.8 μg/m3 (50) 50.0
 
Sept. 9, 2021, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 51.0 ppb (48) 1.17 ppb (14) 15.0 μg/m3 (14) 19.4 μg/m3 (67) 67.0
 
Sept. 9, 2021, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 49.0 ppb (46) 1.16 ppb (14) 18.0 μg/m3 (17) 10.4 μg/m3 (44) 46.0
 
Sept. 9, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 41.0 ppb (38) 1.28 ppb (15) 19.0 μg/m3 (18) 12.2 μg/m3 (52) 52.0
 
Sept. 9, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 34.0 ppb (32) 1.19 ppb (14) 23.0 μg/m3 (22) 14.0 μg/m3 (55) 55.0
 
Sept. 9, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) 1.2 ppb (14) 18.0 μg/m3 (17) 16.4 μg/m3 (61) 61.0
 
Sept. 9, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 13.0 ppb (13) 1.49 ppb (18) 32.0 μg/m3 (30) 17.7 μg/m3 (63) 63.0
 
Sept. 9, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 9.0 ppb (9) 1.52 ppb (18) 26.0 μg/m3 (25) 11.9 μg/m3 (50) 50.0
 
Sept. 9, 2021, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 14.0 ppb (13) 1.38 ppb (16) 26.0 μg/m3 (25) 6.6 μg/m3 (28) 28.0
 
Sept. 9, 2021, noon N/A N/A N/A N/A N/A 5.0 ppb (8) 28.0 ppb (26) 1.28 ppb (15) 20.0 μg/m3 (19) 6.5 μg/m3 (28) 28.0
 
Sept. 9, 2021, 11 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 18.0 ppb (17) 1.14 ppb (13) 13.0 μg/m3 (13) 12.0 μg/m3 (50) 50.0
 
Sept. 9, 2021, 10 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 13.0 ppb (13) 1.13 ppb (13) 18.0 μg/m3 (17) 24.9 μg/m3 (78) 78.0
 
Sept. 9, 2021, 9 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 19.0 ppb (18) 1.12 ppb (13) 18.0 μg/m3 (17) 7.4 μg/m3 (31) 31.0
 
Sept. 9, 2021, 8 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 7.0 ppb (7) 1.09 ppb (13) 18.0 μg/m3 (17) 11.8 μg/m3 (50) 50.0
 
Sept. 9, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 6.0 ppb (6) 1.1 ppb (13) 23.0 μg/m3 (22) 21.8 μg/m3 (72) 72.0