AQSQID: 250130008

Site Name: Chicopee

Location: Chicopee, MA

Reporting: True, Located: True

Current AQI: 69.0

Chicopee MA, US: 42.194401, -72.555603

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Nov. 15, 2019, noon 72.0 ppb (69) 51.0 ppb (47) N/A 21.0 ppb (19) N/A N/A 1.0 ppb (1) N/A N/A 20.0 μg/m3 (67) 69.0
 
Nov. 15, 2019, 11 a.m. 61.0 ppb (57) 37.0 ppb (34) N/A 24.0 ppb (22) N/A N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (67) 67.0
 
Nov. 15, 2019, 10 a.m. 73.0 ppb (70) 47.0 ppb (44) N/A 26.0 ppb (24) N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (63) 70.0
 
Nov. 15, 2019, 9 a.m. 72.0 ppb (69) 44.0 ppb (41) N/A 28.0 ppb (26) N/A N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (67) 69.0
 
Nov. 15, 2019, 8 a.m. 71.0 ppb (68) 44.0 ppb (41) N/A 27.0 ppb (25) N/A N/A N/A N/A N/A 19.0 μg/m3 (65) 68.0
 
Nov. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (56) 56.0
 
Nov. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (63) 63.0
 
Nov. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (61) 61.0
 
Nov. 15, 2019, 4 a.m. 36.0 ppb (33) 12.0 ppb (11) N/A 24.0 ppb (22) N/A N/A 0.0 ppb (0) N/A N/A N/A 33.0
 
Nov. 15, 2019, 3 a.m. 38.0 ppb (35) 13.0 ppb (12) N/A 26.0 ppb (24) N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 15, 2019, 2 a.m. 51.0 ppb (47) 23.0 ppb (21) N/A 28.0 ppb (26) N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (54) 54.0
 
Nov. 15, 2019, 1 a.m. 42.0 ppb (39) 14.0 ppb (13) N/A 28.0 ppb (26) N/A N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (59) 59.0
 
Nov. 15, 2019, midnight 39.0 ppb (36) 11.0 ppb (10) N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 14, 2019, 11 p.m. 41.0 ppb (38) 11.0 ppb (10) N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (54) 54.0
 
Nov. 14, 2019, 10 p.m. 29.0 ppb (27) 3.0 ppb (3) N/A 26.0 ppb (24) N/A N/A 3.0 ppb (2) N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 14, 2019, 9 p.m. 25.0 ppb (23) 3.0 ppb (3) N/A 22.0 ppb (20) N/A N/A 8.0 ppb (6) N/A N/A 13.0 μg/m3 (52) 52.0
 
Nov. 14, 2019, 8 p.m. 23.0 ppb (21) 5.0 ppb (5) N/A 17.0 ppb (16) N/A N/A 13.0 ppb (10) N/A N/A 14.0 μg/m3 (54) 54.0
 
Nov. 14, 2019, 7 p.m. 23.0 ppb (21) 7.0 ppb (6) N/A 16.0 ppb (15) N/A N/A 15.0 ppb (12) N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 14, 2019, 6 p.m. 20.0 ppb (19) 7.0 ppb (6) N/A 13.0 ppb (12) N/A N/A 18.0 ppb (14) N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 14, 2019, 5 p.m. 31.0 ppb (29) 13.0 ppb (12) N/A 18.0 ppb (17) N/A N/A 13.0 ppb (10) N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 14, 2019, 4 p.m. 31.0 ppb (29) 14.0 ppb (13) N/A 18.0 ppb (17) N/A N/A 11.0 ppb (8) N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 14, 2019, 3 p.m. 30.0 ppb (28) 13.0 ppb (12) N/A 17.0 ppb (16) N/A N/A 11.0 ppb (8) N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 14, 2019, 2 p.m. 23.0 ppb (21) 9.0 ppb (8) N/A 14.0 ppb (13) N/A N/A 12.0 ppb (9) N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 14, 2019, 1 p.m. 24.0 ppb (22) 10.0 ppb (9) N/A 14.0 ppb (13) N/A N/A 8.0 ppb (6) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 14, 2019, noon 45.0 ppb (42) 28.0 ppb (26) N/A 16.0 ppb (15) N/A N/A 2.0 ppb (2) N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 14, 2019, 11 a.m. 35.0 ppb (32) 19.0 ppb (18) N/A 16.0 ppb (15) N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 14, 2019, 10 a.m. 20.0 ppb (19) 4.0 ppb (4) N/A 16.0 ppb (15) N/A N/A 1.0 ppb (1) N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 14, 2019, 9 a.m. 22.0 ppb (20) 5.0 ppb (5) N/A 17.0 ppb (16) N/A N/A 1.0 ppb (1) N/A N/A 13.0 μg/m3 (52) 52.0
 
Nov. 14, 2019, 8 a.m. 26.0 ppb (24) 6.0 ppb (6) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (52) 52.0
 
Nov. 14, 2019, 7 a.m. 19.0 ppb (18) 3.0 ppb (3) N/A 16.0 ppb (15) N/A N/A 2.0 ppb (2) N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 14, 2019, 6 a.m. 20.0 ppb (19) 3.0 ppb (3) N/A 17.0 ppb (16) N/A N/A 2.0 ppb (2) N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 14, 2019, 5 a.m. 14.0 ppb (13) 2.0 ppb (2) N/A 12.0 ppb (11) N/A N/A 8.0 ppb (6) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 14, 2019, 4 a.m. 21.0 ppb (19) 2.0 ppb (2) N/A 19.0 ppb (18) N/A N/A 5.0 ppb (4) N/A N/A N/A 19.0
 
Nov. 14, 2019, 3 a.m. 15.0 ppb (14) 1.0 ppb (1) N/A 13.0 ppb (12) N/A N/A 11.0 ppb (8) N/A N/A 3.0 μg/m3 (12) 14.0
 
Nov. 14, 2019, 2 a.m. 14.0 ppb (13) 2.0 ppb (2) N/A 13.0 ppb (12) N/A N/A 17.0 ppb (13) N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 14, 2019, 1 a.m. 9.0 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 24.0 ppb (18) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 14, 2019, midnight 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 13, 2019, 11 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
Nov. 13, 2019, 10 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
Nov. 13, 2019, 9 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A N/A 3.0 μg/m3 (12) 26.0
 
Nov. 13, 2019, 8 p.m. 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
Nov. 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 3.0 μg/m3 (12) 28.0
 
Nov. 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 2.0 μg/m3 (8) 28.0
 
Nov. 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 3.0 μg/m3 (12) 28.0
 
Nov. 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Nov. 13, 2019, 3 p.m. 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Nov. 13, 2019, 2 p.m. 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
Nov. 13, 2019, 1 p.m. 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 35.0 ppb (27) N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 13, 2019, noon 2.0 ppb (2) 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A N/A 6.0 μg/m3 (25) 26.0
 
Nov. 13, 2019, 11 a.m. 2.0 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A 35.0 ppb (27) N/A N/A -1.0 μg/m3 (0) 27.0
 
Nov. 13, 2019, 10 a.m. 2.0 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A 35.0 ppb (27) N/A N/A 2.0 μg/m3 (8) 27.0
 
Nov. 13, 2019, 9 a.m. 1.0 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A 35.0 ppb (27) N/A N/A 2.0 μg/m3 (8) 27.0
 
Nov. 13, 2019, 8 a.m. 1.0 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (28) N/A N/A 0.0 μg/m3 (0) 28.0
 
Nov. 13, 2019, 7 a.m. 1.0 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (28) N/A N/A 1.0 μg/m3 (4) 28.0
 
Nov. 13, 2019, 6 a.m. 1.0 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A 35.0 ppb (27) N/A N/A 3.0 μg/m3 (12) 27.0
 
Nov. 13, 2019, 5 a.m. 1.0 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A 35.0 ppb (27) N/A N/A 4.0 μg/m3 (17) 27.0
 
Nov. 13, 2019, 4 a.m. 1.0 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
Nov. 13, 2019, 3 a.m. 1.0 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
Nov. 13, 2019, 2 a.m. 1.0 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (28) N/A N/A 3.0 μg/m3 (12) 28.0
 
Nov. 13, 2019, 1 a.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) N/A N/A 3.0 μg/m3 (12) 28.0
 
Nov. 13, 2019, midnight 3.0 ppb (3) 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A N/A 5.0 μg/m3 (21) 26.0
 
Nov. 12, 2019, 11 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A 35.0 ppb (27) N/A N/A 4.0 μg/m3 (17) 27.0
 
Nov. 12, 2019, 10 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A 35.0 ppb (27) N/A N/A 4.0 μg/m3 (17) 27.0
 
Nov. 12, 2019, 9 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 12, 2019, 8 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A N/A 5.0 μg/m3 (21) 24.0
 
Nov. 12, 2019, 7 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A N/A N/A 22.0
 
Nov. 12, 2019, 6 p.m. 4.0 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
Nov. 12, 2019, 5 p.m. 4.0 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (16) N/A N/A 3.0 μg/m3 (12) 16.0
 
Nov. 12, 2019, 4 p.m. 3.0 ppb (3) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 20.0 ppb (15) N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 12, 2019, 3 p.m. 4.0 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 18.0 ppb (14) N/A N/A 1.0 μg/m3 (4) 14.0
 
Nov. 12, 2019, 2 p.m. 4.0 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 17.0 ppb (13) N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 12, 2019, 1 p.m. 8.0 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 10.0 ppb (8) N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 12, 2019, noon 8.0 ppb (7) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A 7.0 ppb (5) N/A N/A 14.0 μg/m3 (54) 54.0
 
Nov. 12, 2019, 11 a.m. 6.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A 9.0 ppb (7) N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 12, 2019, 10 a.m. 5.0 ppb (5) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A 11.0 ppb (8) N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 12, 2019, 9 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 12.0 ppb (9) N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 12, 2019, 8 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 12, 2019, 4 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 15.0 ppb (12) N/A N/A N/A 12.0
 
Nov. 12, 2019, 3 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 15.0 ppb (12) N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 12, 2019, 2 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 15.0 ppb (12) N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 12, 2019, 1 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 15.0 ppb (12) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 12, 2019, midnight 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 15.0 ppb (12) N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 11, 2019, 11 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 15.0 ppb (12) N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 11, 2019, 10 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 15.0 ppb (12) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 11, 2019, 9 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 16.0 ppb (12) N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 11, 2019, 8 p.m. 8.0 ppb (7) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A 16.0 ppb (12) N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 11, 2019, 7 p.m. 10.0 ppb (9) 3.0 ppb (3) N/A 7.0 ppb (6) N/A N/A 19.0 ppb (15) N/A N/A 16.0 μg/m3 (59) 59.0
 
Nov. 11, 2019, 6 p.m. 14.0 ppb (13) 4.0 ppb (4) N/A 10.0 ppb (9) N/A N/A 18.0 ppb (14) N/A N/A 14.0 μg/m3 (54) 54.0
 
Nov. 11, 2019, 5 p.m. 14.0 ppb (13) 4.0 ppb (4) N/A 10.0 ppb (9) N/A N/A 21.0 ppb (16) N/A N/A 17.0 μg/m3 (61) 61.0
 
Nov. 11, 2019, 4 p.m. 16.0 ppb (15) 6.0 ppb (6) N/A 11.0 ppb (10) N/A N/A 21.0 ppb (16) N/A N/A 15.0 μg/m3 (56) 56.0
 
Nov. 11, 2019, 3 p.m. 19.0 ppb (18) 7.0 ppb (6) N/A 12.0 ppb (11) N/A N/A 16.0 ppb (12) N/A N/A 16.0 μg/m3 (59) 59.0
 
Nov. 11, 2019, 2 p.m. 33.0 ppb (31) 15.0 ppb (14) N/A 18.0 ppb (17) N/A N/A 5.0 ppb (4) N/A N/A 21.0 μg/m3 (69) 69.0
 
Nov. 11, 2019, 1 p.m. 30.0 ppb (28) 14.0 ppb (13) N/A 17.0 ppb (16) N/A N/A 4.0 ppb (3) N/A N/A 14.0 μg/m3 (54) 54.0
 
Nov. 11, 2019, noon 22.0 ppb (20) 6.0 ppb (6) N/A 16.0 ppb (15) N/A N/A 4.0 ppb (3) N/A N/A 15.0 μg/m3 (56) 56.0
 
Nov. 11, 2019, 11 a.m. 30.0 ppb (28) 9.0 ppb (8) N/A 21.0 ppb (19) N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (61) 61.0
 
Nov. 11, 2019, 10 a.m. 28.0 ppb (26) 7.0 ppb (6) N/A 21.0 ppb (19) N/A N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (59) 59.0
 
Nov. 11, 2019, 9 a.m. 29.0 ppb (27) 6.0 ppb (6) N/A 23.0 ppb (21) N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (63) 63.0
 
Nov. 11, 2019, 8 a.m. 27.0 ppb (25) 3.0 ppb (3) N/A 24.0 ppb (22) N/A N/A 1.0 ppb (1) N/A N/A 18.0 μg/m3 (63) 63.0
 
Nov. 11, 2019, 7 a.m. 27.0 ppb (25) 3.0 ppb (3) N/A 25.0 ppb (23) N/A N/A 2.0 ppb (2) N/A N/A 20.0 μg/m3 (67) 67.0
 
Nov. 11, 2019, 6 a.m. 24.0 ppb (22) 2.0 ppb (2) N/A 22.0 ppb (20) N/A N/A 5.0 ppb (4) N/A N/A 15.0 μg/m3 (56) 56.0
 
Nov. 11, 2019, 5 a.m. 20.0 ppb (19) 2.0 ppb (2) N/A 19.0 ppb (18) N/A N/A 9.0 ppb (7) N/A N/A 15.0 μg/m3 (56) 56.0
 
Nov. 11, 2019, 4 a.m. 22.0 ppb (20) 2.0 ppb (2) N/A 20.0 ppb (19) N/A N/A 9.0 ppb (7) N/A N/A N/A 20.0
 
Nov. 11, 2019, 3 a.m. 21.0 ppb (19) 1.0 ppb (1) N/A 20.0 ppb (19) N/A N/A 10.0 ppb (8) N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 11, 2019, 2 a.m. 22.0 ppb (20) 2.0 ppb (2) N/A 21.0 ppb (19) N/A N/A 10.0 ppb (8) N/A N/A 15.0 μg/m3 (56) 56.0
 
Nov. 11, 2019, 1 a.m. 17.0 ppb (16) 2.0 ppb (2) N/A 15.0 ppb (14) N/A N/A 15.0 ppb (12) N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 11, 2019, midnight 17.0 ppb (16) 1.0 ppb (1) N/A 15.0 ppb (14) N/A N/A 17.0 ppb (13) N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 10, 2019, 11 p.m. 12.0 ppb (11) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 23.0 ppb (18) N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 10, 2019, 10 p.m. 9.0 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 10, 2019, 9 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 10, 2019, 8 p.m. 8.0 ppb (7) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 10, 2019, 7 p.m. 7.0 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 10, 2019, 6 p.m. 7.0 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (24) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 10, 2019, 5 p.m. 6.0 ppb (6) 3.0 ppb (3) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 10, 2019, 4 p.m. 7.0 ppb (6) 3.0 ppb (3) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 10, 2019, 3 p.m. 9.0 ppb (8) 4.0 ppb (4) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (19) N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 10, 2019, 2 p.m. 11.0 ppb (10) 4.0 ppb (4) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 10, 2019, 1 p.m. 11.0 ppb (10) 3.0 ppb (3) N/A 8.0 ppb (7) N/A N/A 20.0 ppb (15) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 10, 2019, noon 14.0 ppb (13) 2.0 ppb (2) N/A 12.0 ppb (11) N/A N/A 15.0 ppb (12) N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 10, 2019, 11 a.m. 17.0 ppb (16) 2.0 ppb (2) N/A 15.0 ppb (14) N/A N/A 10.0 ppb (8) N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 10, 2019, 10 a.m. 19.0 ppb (18) 2.0 ppb (2) N/A 18.0 ppb (17) N/A N/A 7.0 ppb (5) N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 10, 2019, 9 a.m. 24.0 ppb (22) 4.0 ppb (4) N/A 21.0 ppb (19) N/A N/A 5.0 ppb (4) N/A N/A 13.0 μg/m3 (52) 52.0
 
Nov. 10, 2019, 8 a.m. 30.0 ppb (28) 7.0 ppb (6) N/A 23.0 ppb (21) N/A N/A 1.0 ppb (1) N/A N/A 13.0 μg/m3 (52) 52.0
 
Nov. 10, 2019, 7 a.m. 19.0 ppb (18) 3.0 ppb (3) N/A 16.0 ppb (15) N/A N/A 4.0 ppb (3) N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 10, 2019, 6 a.m. 24.0 ppb (22) 4.0 ppb (4) N/A 20.0 ppb (19) N/A N/A 3.0 ppb (2) N/A N/A 14.0 μg/m3 (54) 54.0
 
Nov. 10, 2019, 5 a.m. 23.0 ppb (21) 3.0 ppb (3) N/A 20.0 ppb (19) N/A N/A 5.0 ppb (4) N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 10, 2019, 4 a.m. 24.0 ppb (22) 3.0 ppb (3) N/A 21.0 ppb (19) N/A N/A 4.0 ppb (3) N/A N/A N/A 22.0
 
Nov. 10, 2019, 3 a.m. 21.0 ppb (19) 3.0 ppb (3) N/A 18.0 ppb (17) N/A N/A 8.0 ppb (6) N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 10, 2019, 2 a.m. 15.0 ppb (14) 2.0 ppb (2) N/A 13.0 ppb (12) N/A N/A 14.0 ppb (11) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 10, 2019, 1 a.m. 14.0 ppb (13) 2.0 ppb (2) N/A 13.0 ppb (12) N/A N/A 14.0 ppb (11) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 10, 2019, midnight 12.0 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 17.0 ppb (13) N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 9, 2019, 11 p.m. 10.0 ppb (9) 2.0 ppb (2) N/A 8.0 ppb (7) N/A N/A 20.0 ppb (15) N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 9, 2019, 10 p.m. 9.0 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 21.0 ppb (16) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 9, 2019, 9 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Nov. 9, 2019, 8 p.m. 4.0 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) N/A N/A 1.0 μg/m3 (4) 22.0
 
Nov. 9, 2019, 7 p.m. 3.0 ppb (3) 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
Nov. 9, 2019, 6 p.m. 3.0 ppb (3) 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) N/A N/A 4.0 μg/m3 (17) 22.0
 
Nov. 9, 2019, 5 p.m. 4.0 ppb (4) 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) N/A N/A 3.0 μg/m3 (12) 21.0
 
Nov. 9, 2019, 4 p.m. 6.0 ppb (6) 3.0 ppb (3) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) N/A N/A 4.0 μg/m3 (17) 19.0
 
Nov. 9, 2019, 3 p.m. 7.0 ppb (6) 4.0 ppb (4) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
Nov. 9, 2019, 2 p.m. 7.0 ppb (6) 4.0 ppb (4) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 9, 2019, 1 p.m. 20.0 ppb (19) 10.0 ppb (9) N/A 10.0 ppb (9) N/A N/A 14.0 ppb (11) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 9, 2019, noon 29.0 ppb (27) 15.0 ppb (14) N/A 14.0 ppb (13) N/A N/A 5.0 ppb (4) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 9, 2019, 11 a.m. 14.0 ppb (13) 4.0 ppb (4) N/A 10.0 ppb (9) N/A N/A 3.0 ppb (2) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 9, 2019, 10 a.m. 22.0 ppb (20) 5.0 ppb (5) N/A 17.0 ppb (16) N/A N/A 3.0 ppb (2) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 9, 2019, 9 a.m. 19.0 ppb (18) 3.0 ppb (3) N/A 16.0 ppb (15) N/A N/A 5.0 ppb (4) N/A N/A 4.0 μg/m3 (17) 18.0
 
Nov. 9, 2019, 8 a.m. 9.0 ppb (8) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 8.0
 
Nov. 9, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 1.0 μg/m3 (4) 14.0
 
Nov. 9, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 1.0 μg/m3 (4) 18.0
 
Nov. 9, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Nov. 9, 2019, 4 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Nov. 9, 2019, 3 a.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 9, 2019, 2 a.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) N/A N/A 2.0 μg/m3 (8) 21.0
 
Nov. 9, 2019, 1 a.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) N/A N/A 4.0 μg/m3 (17) 22.0
 
Nov. 9, 2019, midnight 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 8, 2019, 11 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) N/A N/A 4.0 μg/m3 (17) 22.0
 
Nov. 8, 2019, 10 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A 4.0 μg/m3 (17) 22.0
 
Nov. 8, 2019, 9 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A 30.0 ppb (23) N/A N/A 4.0 μg/m3 (17) 23.0
 
Nov. 8, 2019, 8 p.m. 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 30.0 ppb (23) N/A N/A 2.0 μg/m3 (8) 23.0
 
Nov. 8, 2019, 7 p.m. 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 29.0 ppb (22) N/A N/A 0.0 μg/m3 (0) 22.0
 
Nov. 8, 2019, 6 p.m. 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 30.0 ppb (23) N/A N/A 2.0 μg/m3 (8) 23.0
 
Nov. 8, 2019, 5 p.m. 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 30.0 ppb (23) N/A N/A 0.0 μg/m3 (0) 23.0
 
Nov. 8, 2019, 4 p.m. 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 30.0 ppb (23) N/A N/A 2.0 μg/m3 (8) 23.0
 
Nov. 8, 2019, 3 p.m. 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 30.0 ppb (23) N/A N/A 4.0 μg/m3 (17) 23.0
 
Nov. 8, 2019, 2 p.m. 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 30.0 ppb (23) N/A N/A 3.0 μg/m3 (12) 23.0
 
Nov. 8, 2019, 1 p.m. 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 28.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0