ID: 2982

AQSQID: 250130018

Site Name: Springfieldsp

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

Updated: Nov. 29, 2020, 6:41 a.m.

Location: Springfield (Liberty Heights), MA

Reporting: True, Located: True

Current AQI: 46.0

Springfield (Liberty Heights) MA, US: 42.120248, -72.58499

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Nov. 29, 2020, 4 a.m. 9.0 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 29, 2020, 3 a.m. 12.0 ppb (12) 2.0 ppb (2) N/A 10.0 ppb (10) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Nov. 29, 2020, 2 a.m. 10.0 ppb (10) 3.0 ppb (3) N/A 7.0 ppb (7) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 29, 2020, 1 a.m. 8.0 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 29, 2020, midnight 6.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
Nov. 28, 2020, 11 p.m. 9.0 ppb (9) 4.0 ppb (4) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 28, 2020, 10 p.m. 9.0 ppb (9) 3.0 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Nov. 28, 2020, 9 p.m. 9.0 ppb (9) 3.0 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 28, 2020, 8 p.m. 7.0 ppb (7) 3.0 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Nov. 28, 2020, 7 p.m. 7.0 ppb (7) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 28, 2020, 6 p.m. 6.0 ppb (6) 3.0 ppb (3) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 28, 2020, 5 p.m. 6.0 ppb (6) 2.0 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
Nov. 28, 2020, 4 p.m. 12.0 ppb (12) 5.0 ppb (5) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 28, 2020, 3 p.m. 17.0 ppb (17) 7.0 ppb (7) N/A 10.0 ppb (10) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Nov. 28, 2020, 2 p.m. 15.0 ppb (15) 6.0 ppb (6) N/A 9.0 ppb (9) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 28, 2020, 1 p.m. 23.0 ppb (22) 9.0 ppb (9) N/A 14.0 ppb (14) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Nov. 28, 2020, noon 24.0 ppb (23) 8.0 ppb (8) N/A 16.0 ppb (16) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Nov. 28, 2020, 11 a.m. 17.0 ppb (17) 3.0 ppb (3) N/A 14.0 ppb (14) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Nov. 28, 2020, 10 a.m. 16.0 ppb (16) 3.0 ppb (3) N/A 13.0 ppb (13) N/A 0.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 28, 2020, 9 a.m. 12.0 ppb (12) 1.0 ppb (1) N/A 10.0 ppb (10) N/A 0.0 ppb (0) N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 28, 2020, 8 a.m. 14.0 ppb (14) 2.0 ppb (2) N/A 12.0 ppb (12) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Nov. 28, 2020, 7 a.m. 7.0 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Nov. 28, 2020, 6 a.m. 12.0 ppb (12) 1.0 ppb (1) N/A 10.0 ppb (10) N/A 0.0 ppb (0) N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 28, 2020, 5 a.m. 9.0 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 28, 2020, 4 a.m. 15.0 ppb (15) 3.0 ppb (3) N/A 12.0 ppb (12) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 28, 2020, 3 a.m. 27.0 ppb (26) 7.0 ppb (7) N/A 20.0 ppb (19) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Nov. 28, 2020, 2 a.m. 27.0 ppb (26) 8.0 ppb (8) N/A 19.0 ppb (18) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 28, 2020, 1 a.m. 41.0 ppb (39) 18.0 ppb (17) N/A 24.0 ppb (23) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 28, 2020, midnight 45.0 ppb (43) 20.0 ppb (19) N/A 25.0 ppb (24) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (34) 43.0
 
Nov. 27, 2020, 11 p.m. 29.0 ppb (28) 11.0 ppb (11) N/A 18.0 ppb (17) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Nov. 27, 2020, 10 p.m. 30.0 ppb (29) 11.0 ppb (11) N/A 20.0 ppb (19) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 29.0
 
Nov. 27, 2020, 9 p.m. 25.0 ppb (24) 10.0 ppb (10) N/A 15.0 ppb (15) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Nov. 27, 2020, 8 p.m. 23.0 ppb (22) 9.0 ppb (9) N/A 14.0 ppb (14) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 27, 2020, 7 p.m. 30.0 ppb (29) 13.0 ppb (13) N/A 17.0 ppb (17) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 27, 2020, 6 p.m. 27.0 ppb (26) 12.0 ppb (12) N/A 15.0 ppb (15) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Nov. 27, 2020, 5 p.m. 69.0 ppb (67) 48.0 ppb (46) N/A 21.0 ppb (20) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 67.0
 
Nov. 27, 2020, 4 p.m. 66.0 ppb (64) 48.0 ppb (46) N/A 18.0 ppb (17) N/A 0.0 ppb (0) N/A N/A N/A 14.0 μg/m3 (55) 64.0
 
Nov. 27, 2020, 3 p.m. 107.0 ppb (103) 90.0 ppb (90) N/A 18.0 ppb (17) N/A 1.0 ppb (2) N/A N/A N/A 14.0 μg/m3 (55) 103.0
 
Nov. 27, 2020, 2 p.m. 104.0 ppb (102) 88.0 ppb (88) N/A 17.0 ppb (17) N/A 1.0 ppb (2) N/A N/A N/A 13.0 μg/m3 (53) 102.0
 
Nov. 27, 2020, 1 p.m. 122.0 ppb (105) 106.0 ppb (102) N/A 16.0 ppb (16) N/A 1.0 ppb (2) N/A N/A N/A 13.0 μg/m3 (53) 105.0
 
Nov. 27, 2020, noon 105.0 ppb (102) 89.0 ppb (89) N/A 16.0 ppb (16) N/A 1.0 ppb (2) N/A N/A N/A 12.0 μg/m3 (50) 102.0
 
Nov. 27, 2020, 11 a.m. 84.0 ppb (83) 69.0 ppb (67) N/A 14.0 ppb (14) N/A 0.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 83.0
 
Nov. 27, 2020, 10 a.m. 54.0 ppb (51) 41.0 ppb (39) N/A 12.0 ppb (12) N/A 0.0 ppb (0) N/A N/A N/A 12.0 μg/m3 (50) 51.0
 
Nov. 27, 2020, 9 a.m. 50.0 ppb (48) 37.0 ppb (35) N/A 13.0 ppb (13) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 48.0
 
Nov. 27, 2020, 8 a.m. 54.0 ppb (51) 41.0 ppb (39) N/A 13.0 ppb (13) N/A 0.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 51.0
 
Nov. 27, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
Nov. 27, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Nov. 27, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 27, 2020, 4 a.m. 29.0 ppb (28) 16.0 ppb (16) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Nov. 27, 2020, 3 a.m. 32.0 ppb (31) 19.0 ppb (18) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Nov. 27, 2020, 2 a.m. 40.0 ppb (38) 27.0 ppb (26) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 27, 2020, 1 a.m. 35.0 ppb (34) 21.0 ppb (20) N/A 14.0 ppb (14) N/A 0.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 27, 2020, midnight 36.0 ppb (34) 20.0 ppb (19) N/A 16.0 ppb (16) N/A 0.0 ppb (0) N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
Nov. 26, 2020, 11 p.m. 34.0 ppb (33) 18.0 ppb (17) N/A 16.0 ppb (16) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Nov. 26, 2020, 10 p.m. 34.0 ppb (33) 17.0 ppb (17) N/A 17.0 ppb (17) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 26, 2020, 9 p.m. 31.0 ppb (30) 14.0 ppb (14) N/A 17.0 ppb (17) N/A 0.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 26, 2020, 8 p.m. 32.0 ppb (31) 15.0 ppb (15) N/A 16.0 ppb (16) N/A 0.0 ppb (0) N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
Nov. 26, 2020, 7 p.m. 35.0 ppb (34) 18.0 ppb (17) N/A 17.0 ppb (17) N/A 0.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 26, 2020, 6 p.m. 38.0 ppb (36) 20.0 ppb (19) N/A 17.0 ppb (17) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 36.0
 
Nov. 26, 2020, 5 p.m. 40.0 ppb (38) 24.0 ppb (23) N/A 16.0 ppb (16) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (34) 38.0
 
Nov. 26, 2020, 4 p.m. 44.0 ppb (42) 29.0 ppb (28) N/A 16.0 ppb (16) N/A 0.0 ppb (0) N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
Nov. 26, 2020, 3 p.m. 37.0 ppb (35) 22.0 ppb (21) N/A 15.0 ppb (15) N/A 0.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 26, 2020, 2 p.m. 34.0 ppb (33) 18.0 ppb (17) N/A 16.0 ppb (16) N/A 0.0 ppb (0) N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
Nov. 26, 2020, 1 p.m. 30.0 ppb (29) 13.0 ppb (13) N/A 17.0 ppb (17) N/A 0.0 ppb (0) N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
Nov. 26, 2020, noon 28.0 ppb (27) 11.0 ppb (11) N/A 17.0 ppb (17) N/A 0.0 ppb (0) N/A N/A N/A 16.0 μg/m3 (60) 60.0
 
Nov. 26, 2020, 11 a.m. 26.0 ppb (25) 9.0 ppb (9) N/A 17.0 ppb (17) N/A 0.0 ppb (0) N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
Nov. 26, 2020, 10 a.m. 29.0 ppb (28) 10.0 ppb (10) N/A 19.0 ppb (18) N/A 0.0 ppb (0) N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
Nov. 26, 2020, 9 a.m. 28.0 ppb (27) 8.0 ppb (8) N/A 19.0 ppb (18) N/A 0.0 ppb (0) N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
Nov. 26, 2020, 8 a.m. 36.0 ppb (34) 16.0 ppb (16) N/A 20.0 ppb (19) N/A 0.0 ppb (0) N/A N/A N/A 19.0 μg/m3 (66) 66.0
 
Nov. 26, 2020, 7 a.m. 46.0 ppb (44) 26.0 ppb (25) N/A 20.0 ppb (19) N/A 0.0 ppb (0) N/A N/A N/A 18.0 μg/m3 (64) 64.0
 
Nov. 26, 2020, 6 a.m. 55.0 ppb (53) 33.0 ppb (32) N/A 22.0 ppb (21) N/A 0.0 ppb (0) N/A N/A N/A 18.0 μg/m3 (64) 64.0
 
Nov. 26, 2020, 5 a.m. 51.0 ppb (49) 28.0 ppb (27) N/A 23.0 ppb (22) N/A 0.0 ppb (0) N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
Nov. 26, 2020, 4 a.m. 52.0 ppb (50) 28.0 ppb (27) N/A 24.0 ppb (23) N/A 0.0 ppb (0) N/A N/A N/A 18.0 μg/m3 (64) 64.0
 
Nov. 26, 2020, 3 a.m. 61.0 ppb (59) 37.0 ppb (35) N/A 24.0 ppb (23) N/A 0.0 ppb (0) N/A N/A N/A 21.0 μg/m3 (70) 70.0
 
Nov. 26, 2020, 2 a.m. 56.0 ppb (54) 31.0 ppb (30) N/A 25.0 ppb (24) N/A 0.0 ppb (0) N/A N/A N/A 18.0 μg/m3 (64) 64.0
 
Nov. 26, 2020, 1 a.m. 45.0 ppb (43) 20.0 ppb (19) N/A 25.0 ppb (24) N/A 0.0 ppb (0) N/A N/A N/A 19.0 μg/m3 (66) 66.0
 
Nov. 26, 2020, midnight 48.0 ppb (46) 22.0 ppb (21) N/A 27.0 ppb (26) N/A 0.0 ppb (0) N/A N/A N/A 16.0 μg/m3 (60) 60.0
 
Nov. 25, 2020, 11 p.m. 66.0 ppb (64) 38.0 ppb (36) N/A 29.0 ppb (28) N/A 1.0 ppb (2) N/A N/A N/A 11.0 μg/m3 (46) 64.0
 
Nov. 25, 2020, 10 p.m. 61.0 ppb (59) 31.0 ppb (30) N/A 30.0 ppb (29) N/A 1.0 ppb (2) N/A N/A N/A 11.0 μg/m3 (46) 59.0
 
Nov. 25, 2020, 9 p.m. 46.0 ppb (44) 18.0 ppb (17) N/A 28.0 ppb (27) N/A 0.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 25, 2020, 8 p.m. 41.0 ppb (39) 16.0 ppb (16) N/A 25.0 ppb (24) N/A 0.0 ppb (0) N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
Nov. 25, 2020, 7 p.m. 38.0 ppb (36) 14.0 ppb (14) N/A 24.0 ppb (23) N/A 0.0 ppb (0) N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 25, 2020, 6 p.m. 38.0 ppb (36) 15.0 ppb (15) N/A 24.0 ppb (23) N/A 0.0 ppb (0) N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
Nov. 25, 2020, 5 p.m. 33.4 ppb (32) 14.3 ppb (14) N/A 19.0 ppb (18) N/A 0.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 32.0
 
Nov. 25, 2020, 4 p.m. 22.5 ppb (22) 8.8 ppb (9) N/A 14.0 ppb (14) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Nov. 25, 2020, 3 p.m. 18.7 ppb (18) 7.4 ppb (7) N/A 11.0 ppb (11) N/A 0.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 18.0
 
Nov. 25, 2020, 2 p.m. 19.4 ppb (19) 7.9 ppb (8) N/A 11.0 ppb (11) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 25, 2020, 1 p.m. 22.5 ppb (22) 8.9 ppb (9) N/A 14.0 ppb (14) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 25, 2020, noon 21.0 ppb (20) 7.0 ppb (7) N/A 14.0 ppb (14) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Nov. 25, 2020, 11 a.m. 23.0 ppb (22) 9.0 ppb (9) N/A 14.0 ppb (14) N/A 0.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 25, 2020, 10 a.m. 15.0 ppb (15) 4.0 ppb (4) N/A 11.0 ppb (11) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 25, 2020, 9 a.m. 15.0 ppb (15) 3.0 ppb (3) N/A 12.0 ppb (12) N/A 0.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 25, 2020, 8 a.m. 14.0 ppb (14) 2.0 ppb (2) N/A 11.0 ppb (11) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Nov. 25, 2020, 7 a.m. 21.0 ppb (20) 4.0 ppb (4) N/A 17.0 ppb (17) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 25, 2020, 6 a.m. 32.0 ppb (31) 11.0 ppb (11) N/A 21.0 ppb (20) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 25, 2020, 5 a.m. 27.0 ppb (26) 6.0 ppb (6) N/A 20.0 ppb (19) N/A 0.0 ppb (0) N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
Nov. 25, 2020, 4 a.m. 39.0 ppb (37) 16.0 ppb (16) N/A 23.0 ppb (22) N/A 0.0 ppb (0) N/A N/A N/A 16.0 μg/m3 (60) 60.0
 
Nov. 25, 2020, 3 a.m. 85.0 ppb (85) 58.0 ppb (56) N/A 27.0 ppb (26) N/A 1.0 ppb (2) N/A N/A N/A 20.0 μg/m3 (68) 85.0
 
Nov. 25, 2020, 2 a.m. 107.0 ppb (103) 78.0 ppb (77) N/A 29.0 ppb (28) N/A 1.0 ppb (2) N/A N/A N/A 13.0 μg/m3 (53) 103.0
 
Nov. 25, 2020, 1 a.m. 89.0 ppb (89) 59.0 ppb (57) N/A 31.0 ppb (30) N/A 1.0 ppb (2) N/A N/A N/A 13.0 μg/m3 (53) 89.0
 
Nov. 25, 2020, midnight 44.0 ppb (42) 17.0 ppb (17) N/A 27.0 ppb (26) N/A 0.0 ppb (0) N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 24, 2020, 11 p.m. 32.0 ppb (31) 10.0 ppb (10) N/A 21.0 ppb (20) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 31.0
 
Nov. 24, 2020, 10 p.m. 29.0 ppb (28) 11.0 ppb (11) N/A 18.0 ppb (17) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Nov. 24, 2020, 9 p.m. 21.0 ppb (20) 8.0 ppb (8) N/A 13.0 ppb (13) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Nov. 24, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 24, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 24, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 24, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
Nov. 24, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Nov. 24, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 24, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Nov. 24, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
Nov. 24, 2020, noon 16.0 ppb (16) 5.0 ppb (5) N/A 11.0 ppb (11) N/A 0.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 24, 2020, 11 a.m. 12.0 ppb (12) 2.0 ppb (2) N/A 10.0 ppb (10) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 24, 2020, 10 a.m. 18.0 ppb (17) 4.0 ppb (4) N/A 14.0 ppb (14) N/A 0.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 24, 2020, 9 a.m. 9.0 ppb (9) 2.0 ppb (2) N/A 7.0 ppb (7) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Nov. 24, 2020, 8 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Nov. 24, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 24, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
Nov. 24, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 24, 2020, 4 a.m. 9.0 ppb (9) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
Nov. 24, 2020, 3 a.m. 6.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 24, 2020, 2 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 24, 2020, 1 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 24, 2020, midnight 6.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
Nov. 23, 2020, 11 p.m. 6.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 23, 2020, 10 p.m. 6.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
Nov. 23, 2020, 9 p.m. 8.0 ppb (8) 3.0 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 23, 2020, 8 p.m. 6.0 ppb (6) 2.0 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 23, 2020, 7 p.m. 7.0 ppb (7) 3.0 ppb (3) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 23, 2020, 6 p.m. 6.0 ppb (6) 3.0 ppb (3) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
Nov. 23, 2020, 5 p.m. 6.0 ppb (6) 3.0 ppb (3) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 23, 2020, 4 p.m. 12.0 ppb (12) 6.0 ppb (6) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
Nov. 23, 2020, 3 p.m. 8.0 ppb (8) 3.0 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
Nov. 23, 2020, 2 p.m. 25.0 ppb (24) 10.0 ppb (10) N/A 15.0 ppb (15) N/A 0.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 24.0
 
Nov. 23, 2020, 1 p.m. 24.0 ppb (23) 9.0 ppb (9) N/A 15.0 ppb (15) N/A 0.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 23.0
 
Nov. 23, 2020, noon 33.0 ppb (32) 16.0 ppb (16) N/A 16.0 ppb (16) N/A 0.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 32.0
 
Nov. 23, 2020, 11 a.m. 23.0 ppb (22) 9.0 ppb (9) N/A 14.0 ppb (14) N/A 0.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 22.0
 
Nov. 23, 2020, 10 a.m. 16.0 ppb (16) 4.0 ppb (4) N/A 12.0 ppb (12) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 23, 2020, 9 a.m. 12.0 ppb (12) 2.0 ppb (2) N/A 10.0 ppb (10) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 23, 2020, 8 a.m. 11.0 ppb (11) 2.0 ppb (2) N/A 9.0 ppb (9) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Nov. 23, 2020, 7 a.m. 9.0 ppb (9) 1.0 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 23, 2020, 6 a.m. 7.0 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Nov. 23, 2020, 5 a.m. 10.0 ppb (10) 2.0 ppb (2) N/A 8.0 ppb (8) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Nov. 23, 2020, 4 a.m. 11.0 ppb (11) 3.0 ppb (3) N/A 9.0 ppb (9) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Nov. 23, 2020, 3 a.m. 12.0 ppb (12) 2.0 ppb (2) N/A 9.0 ppb (9) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Nov. 23, 2020, 2 a.m. 11.0 ppb (11) 3.0 ppb (3) N/A 8.0 ppb (8) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 23, 2020, 1 a.m. 11.0 ppb (11) 4.0 ppb (4) N/A 7.0 ppb (7) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Nov. 23, 2020, midnight 9.0 ppb (9) 3.0 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 22, 2020, 11 p.m. 10.0 ppb (10) 3.0 ppb (3) N/A 7.0 ppb (7) N/A 0.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 22, 2020, 10 p.m. 9.0 ppb (9) 2.0 ppb (2) N/A 7.0 ppb (7) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 22, 2020, 9 p.m. 10.0 ppb (10) 2.0 ppb (2) N/A 8.0 ppb (8) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Nov. 22, 2020, 8 p.m. 15.0 ppb (15) 6.0 ppb (6) N/A 9.0 ppb (9) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 22, 2020, 7 p.m. 11.0 ppb (11) 3.0 ppb (3) N/A 8.0 ppb (8) N/A 0.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 22, 2020, 6 p.m. 8.0 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 22, 2020, 5 p.m. 7.0 ppb (7) 3.0 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 22, 2020, 4 p.m. 7.0 ppb (7) 3.0 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 22, 2020, 3 p.m. 8.0 ppb (8) 4.0 ppb (4) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Nov. 22, 2020, 2 p.m. 8.0 ppb (8) 4.0 ppb (4) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 22, 2020, 1 p.m. 13.0 ppb (13) 6.0 ppb (6) N/A 7.0 ppb (7) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 22, 2020, noon 26.0 ppb (25) 12.0 ppb (12) N/A 14.0 ppb (14) N/A 0.0 ppb (0) N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
Nov. 22, 2020, 11 a.m. 21.0 ppb (20) 6.0 ppb (6) N/A 15.0 ppb (15) N/A 0.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 22, 2020, 10 a.m. 19.0 ppb (18) 5.0 ppb (5) N/A 14.0 ppb (14) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Nov. 22, 2020, 9 a.m. 18.0 ppb (17) 4.0 ppb (4) N/A 14.0 ppb (14) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 22, 2020, 8 a.m. 14.0 ppb (14) 2.0 ppb (2) N/A 12.0 ppb (12) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Nov. 22, 2020, 7 a.m. 14.0 ppb (14) 3.0 ppb (3) N/A 11.0 ppb (11) N/A 0.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 22, 2020, 6 a.m. 13.0 ppb (13) 3.0 ppb (3) N/A 9.0 ppb (9) N/A 0.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 22, 2020, 5 a.m. 10.0 ppb (10) 3.0 ppb (3) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A N/A 5.0 μg/m3 (21) 21.0