ID: 477

AQSQID: 250092006

Site Name: Lynn

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

Updated: Sept. 18, 2020, 12:39 p.m.

Location: Lynn (Pine Hill), MA

Reporting: True, Located: True

Current AQI: 17.0

Lynn (Pine Hill) MA, US: 42.474701, -70.971901

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 18, 2020, 10 a.m. N/A 0.0 ppb (0) 1.9 ppb (2) 1.0 ppb (1) N/A N/A 22.0 ppb (17) N/A N/A 2.0 μg/m3 (8) 17.0
 
Sept. 18, 2020, 9 a.m. N/A 0.0 ppb (0) 1.8 ppb (2) 1.0 ppb (1) N/A N/A 22.0 ppb (17) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 18, 2020, 8 a.m. N/A 0.0 ppb (0) 2.2 ppb (2) 1.0 ppb (1) N/A N/A 22.0 ppb (17) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2020, 7 a.m. N/A 0.0 ppb (0) 2.3 ppb (2) 1.0 ppb (1) N/A N/A 23.0 ppb (18) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2020, 6 a.m. N/A 0.0 ppb (0) 2.8 ppb (3) 2.0 ppb (2) N/A N/A 20.0 ppb (15) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2020, 5 a.m. N/A 0.0 ppb (0) 2.5 ppb (2) 2.0 ppb (2) N/A N/A 21.0 ppb (16) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 18, 2020, 4 a.m. N/A 0.0 ppb (0) 2.3 ppb (2) 2.0 ppb (2) N/A N/A 21.0 ppb (16) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 18, 2020, 3 a.m. N/A 0.0 ppb (0) 2.3 ppb (2) 2.0 ppb (2) N/A N/A 21.0 ppb (16) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2020, 2 a.m. N/A 0.0 ppb (0) 2.9 ppb (3) 2.0 ppb (2) N/A N/A 23.0 ppb (18) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2020, 1 a.m. N/A 0.0 ppb (0) 3.3 ppb (3) 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
Sept. 18, 2020, midnight N/A 0.0 ppb (0) 6.0 ppb (6) 4.0 ppb (4) N/A N/A 36.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
Sept. 17, 2020, 11 p.m. N/A 0.0 ppb (0) 8.2 ppb (8) 6.0 ppb (6) N/A N/A 38.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
Sept. 17, 2020, 10 p.m. N/A 0.0 ppb (0) 7.2 ppb (7) 5.0 ppb (5) N/A N/A 45.0 ppb (35) N/A N/A 4.0 μg/m3 (17) 35.0
 
Sept. 17, 2020, 9 p.m. N/A 0.1 ppb (0) 5.1 ppb (5) 3.0 ppb (3) N/A N/A 50.0 ppb (38) N/A N/A 3.0 μg/m3 (12) 38.0
 
Sept. 17, 2020, 8 p.m. N/A 0.0 ppb (0) 4.1 ppb (4) 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A N/A 1.0 μg/m3 (4) 40.0
 
Sept. 17, 2020, 7 p.m. N/A 0.1 ppb (0) 4.5 ppb (4) 2.0 ppb (2) N/A N/A 53.0 ppb (41) N/A N/A 3.0 μg/m3 (12) 41.0
 
Sept. 17, 2020, 6 p.m. N/A 0.3 ppb (0) 5.6 ppb (5) 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A N/A 3.0 μg/m3 (12) 40.0
 
Sept. 17, 2020, 5 p.m. N/A 0.3 ppb (0) 5.3 ppb (5) 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A N/A 2.0 μg/m3 (8) 38.0
 
Sept. 17, 2020, 4 p.m. N/A 0.3 ppb (0) 4.7 ppb (4) 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A 2.0 μg/m3 (8) 35.0
 
Sept. 17, 2020, 3 p.m. N/A 0.7 ppb (1) 6.0 ppb (6) 3.0 ppb (3) N/A N/A 40.0 ppb (31) N/A N/A 1.0 μg/m3 (4) 31.0
 
Sept. 17, 2020, 2 p.m. N/A 0.9 ppb (1) 6.9 ppb (6) 4.0 ppb (4) N/A N/A 34.0 ppb (26) N/A N/A 2.0 μg/m3 (8) 26.0
 
Sept. 17, 2020, 1 p.m. N/A 1.3 ppb (1) 8.3 ppb (8) 5.0 ppb (5) N/A N/A 28.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
Sept. 17, 2020, noon N/A 1.4 ppb (1) 9.1 ppb (8) 7.0 ppb (6) N/A N/A 24.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
Sept. 17, 2020, 11 a.m. N/A 0.7 ppb (1) 8.2 ppb (8) 7.0 ppb (6) N/A N/A 21.0 ppb (16) N/A N/A 1.0 μg/m3 (4) 16.0
 
Sept. 17, 2020, 10 a.m. N/A 0.0 ppb (0) 5.1 ppb (5) 5.0 ppb (5) N/A N/A 22.0 ppb (17) N/A N/A 1.0 μg/m3 (4) 17.0
 
Sept. 17, 2020, 9 a.m. N/A 0.0 ppb (0) 3.0 ppb (3) 3.0 ppb (3) N/A N/A 24.0 ppb (18) N/A N/A 0.0 μg/m3 (0) 18.0
 
Sept. 17, 2020, 8 a.m. N/A 0.0 ppb (0) 2.5 ppb (2) 2.0 ppb (2) N/A N/A 25.0 ppb (19) N/A N/A -1.0 μg/m3 (0) 19.0
 
Sept. 17, 2020, 7 a.m. N/A 0.0 ppb (0) 2.3 ppb (2) 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A N/A 2.0 μg/m3 (8) 20.0
 
Sept. 17, 2020, 6 a.m. N/A 0.0 ppb (0) 2.0 ppb (2) 2.0 ppb (2) N/A N/A 27.0 ppb (21) N/A N/A 4.0 μg/m3 (17) 21.0
 
Sept. 17, 2020, 5 a.m. N/A 0.0 ppb (0) 1.9 ppb (2) 2.0 ppb (2) N/A N/A 28.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
Sept. 17, 2020, 4 a.m. N/A 0.0 ppb (0) 2.0 ppb (2) 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A N/A 0.0 μg/m3 (0) 22.0
 
Sept. 17, 2020, 3 a.m. N/A 0.0 ppb (0) 2.0 ppb (2) 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A N/A 3.0 μg/m3 (12) 23.0
 
Sept. 17, 2020, 2 a.m. N/A 0.0 ppb (0) 2.7 ppb (3) 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
Sept. 17, 2020, 1 a.m. N/A 0.0 ppb (0) 3.2 ppb (3) 3.0 ppb (3) N/A N/A 28.0 ppb (22) N/A N/A 1.0 μg/m3 (4) 22.0
 
Sept. 17, 2020, midnight N/A 0.0 ppb (0) 3.7 ppb (3) 3.0 ppb (3) N/A N/A 28.0 ppb (22) N/A N/A 4.0 μg/m3 (17) 22.0
 
Sept. 16, 2020, 11 p.m. N/A 0.0 ppb (0) 3.9 ppb (4) 3.0 ppb (3) N/A N/A 29.0 ppb (22) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2020, 10 p.m. N/A 0.0 ppb (0) 3.6 ppb (3) 3.0 ppb (3) N/A N/A 32.0 ppb (25) N/A N/A 3.0 μg/m3 (12) 25.0
 
Sept. 16, 2020, 9 p.m. N/A 0.1 ppb (0) 3.4 ppb (3) 2.0 ppb (2) N/A N/A 33.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
Sept. 16, 2020, 8 p.m. N/A 0.3 ppb (0) 4.2 ppb (4) 3.0 ppb (3) N/A N/A 35.0 ppb (27) N/A N/A N/A 27.0
 
Sept. 16, 2020, 7 p.m. N/A 0.3 ppb (0) 3.7 ppb (3) 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A N/A -3.0 μg/m3 (0) 28.0
 
Sept. 16, 2020, 6 p.m. N/A 0.3 ppb (0) 3.3 ppb (3) 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A N/A 0.0 μg/m3 (0) 28.0
 
Sept. 16, 2020, 5 p.m. N/A 0.4 ppb (0) 3.2 ppb (3) 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A N/A 2.0 μg/m3 (8) 26.0
 
Sept. 16, 2020, 4 p.m. N/A 0.6 ppb (1) 3.4 ppb (3) 2.0 ppb (2) N/A N/A 32.0 ppb (25) N/A N/A 1.0 μg/m3 (4) 25.0
 
Sept. 16, 2020, 3 p.m. N/A 0.6 ppb (1) 3.4 ppb (3) 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A N/A 0.0 μg/m3 (0) 22.0
 
Sept. 16, 2020, 2 p.m. N/A 0.8 ppb (1) 4.1 ppb (4) 3.0 ppb (3) N/A N/A 27.0 ppb (21) N/A N/A -1.0 μg/m3 (0) 21.0
 
Sept. 16, 2020, 1 p.m. N/A 1.3 ppb (1) 6.6 ppb (6) 4.0 ppb (4) N/A N/A 25.0 ppb (19) N/A N/A -2.0 μg/m3 (0) 19.0
 
Sept. 16, 2020, noon N/A 1.8 ppb (2) 11.5 ppb (11) 9.0 ppb (8) N/A N/A 21.0 ppb (16) N/A N/A -1.0 μg/m3 (0) 16.0
 
Sept. 16, 2020, 11 a.m. N/A 1.3 ppb (1) 12.8 ppb (12) 11.0 ppb (10) N/A N/A 16.0 ppb (12) N/A N/A 0.0 μg/m3 (0) 12.0
 
Sept. 16, 2020, 10 a.m. N/A 0.1 ppb (0) 8.1 ppb (8) 7.0 ppb (6) N/A N/A 17.0 ppb (13) N/A N/A 2.0 μg/m3 (8) 13.0
 
Sept. 16, 2020, 9 a.m. N/A 0.0 ppb (0) 5.9 ppb (5) 5.0 ppb (5) N/A N/A 19.0 ppb (15) N/A N/A 2.0 μg/m3 (8) 15.0
 
Sept. 16, 2020, 8 a.m. N/A 0.1 ppb (0) 4.8 ppb (4) 4.0 ppb (4) N/A N/A N/A N/A N/A -2.0 μg/m3 (0) 4.0
 
Sept. 16, 2020, 7 a.m. N/A 0.0 ppb (0) 4.6 ppb (4) 3.0 ppb (3) N/A N/A 20.0 ppb (15) N/A N/A 1.0 μg/m3 (4) 15.0
 
Sept. 16, 2020, 6 a.m. N/A 0.0 ppb (0) 5.5 ppb (5) N/A N/A N/A 18.0 ppb (14) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2020, 5 a.m. N/A 0.0 ppb (0) 7.7 ppb (7) N/A N/A N/A 16.0 ppb (12) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2020, 4 a.m. N/A 0.1 ppb (0) 13.3 ppb (12) 12.0 ppb (11) N/A N/A 11.0 ppb (8) N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 16, 2020, 3 a.m. N/A 0.1 ppb (0) 11.7 ppb (11) 11.0 ppb (10) N/A N/A 12.0 ppb (9) N/A N/A 0.0 μg/m3 (0) 11.0
 
Sept. 16, 2020, 2 a.m. N/A 0.0 ppb (0) 5.9 ppb (5) 5.0 ppb (5) N/A N/A 17.0 ppb (13) N/A N/A 1.0 μg/m3 (4) 13.0
 
Sept. 16, 2020, 1 a.m. N/A 0.1 ppb (0) 5.1 ppb (5) 5.0 ppb (5) N/A N/A 18.0 ppb (14) N/A N/A 3.0 μg/m3 (12) 14.0
 
Sept. 16, 2020, midnight N/A N/A N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) N/A N/A 3.0 μg/m3 (12) 16.0
 
Sept. 15, 2020, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) N/A N/A 2.0 μg/m3 (8) 17.0
 
Sept. 15, 2020, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) N/A N/A -1.0 μg/m3 (0) 18.0
 
Sept. 15, 2020, 9 p.m. N/A 0.4 ppb (0) 3.6 ppb (3) 3.0 ppb (3) N/A N/A 25.0 ppb (19) N/A N/A 0.0 μg/m3 (0) 19.0
 
Sept. 15, 2020, 8 p.m. N/A 0.3 ppb (0) 2.5 ppb (2) 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A N/A -2.0 μg/m3 (0) 20.0
 
Sept. 15, 2020, 7 p.m. N/A 0.6 ppb (1) 3.0 ppb (3) 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A N/A -3.0 μg/m3 (0) 20.0
 
Sept. 15, 2020, 6 p.m. N/A 0.4 ppb (0) 2.8 ppb (3) 2.0 ppb (2) N/A N/A 27.0 ppb (21) N/A N/A -1.0 μg/m3 (0) 21.0
 
Sept. 15, 2020, 5 p.m. N/A 0.4 ppb (0) 2.7 ppb (3) 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A N/A -1.0 μg/m3 (0) 20.0
 
Sept. 15, 2020, 4 p.m. N/A 0.3 ppb (0) 2.0 ppb (2) 1.0 ppb (1) N/A N/A 26.0 ppb (20) N/A N/A -2.0 μg/m3 (0) 20.0
 
Sept. 15, 2020, 3 p.m. N/A 0.4 ppb (0) 2.2 ppb (2) 1.0 ppb (1) N/A N/A 24.0 ppb (18) N/A N/A -1.0 μg/m3 (0) 18.0
 
Sept. 15, 2020, 2 p.m. N/A 0.6 ppb (1) 2.5 ppb (2) 2.0 ppb (2) N/A N/A 22.0 ppb (17) N/A N/A 0.0 μg/m3 (0) 17.0
 
Sept. 15, 2020, 1 p.m. N/A 1.4 ppb (1) 5.2 ppb (5) 3.0 ppb (3) N/A N/A 19.0 ppb (15) N/A N/A 2.0 μg/m3 (8) 15.0
 
Sept. 15, 2020, noon N/A 1.9 ppb (2) 7.4 ppb (7) 6.0 ppb (6) N/A N/A 15.0 ppb (12) N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 15, 2020, 11 a.m. N/A 0.8 ppb (1) 6.1 ppb (6) 5.0 ppb (5) N/A N/A 15.0 ppb (12) N/A N/A -3.0 μg/m3 (0) 12.0
 
Sept. 15, 2020, 10 a.m. N/A 0.1 ppb (0) 5.0 ppb (5) 5.0 ppb (5) N/A N/A 17.0 ppb (13) N/A N/A -2.0 μg/m3 (0) 13.0
 
Sept. 15, 2020, 9 a.m. N/A 0.0 ppb (0) 3.5 ppb (3) 3.0 ppb (3) N/A N/A 20.0 ppb (15) N/A N/A 0.0 μg/m3 (0) 15.0
 
Sept. 15, 2020, 8 a.m. N/A 0.0 ppb (0) 3.7 ppb (3) 4.0 ppb (4) N/A N/A 20.0 ppb (15) N/A N/A -1.0 μg/m3 (0) 15.0
 
Sept. 15, 2020, 7 a.m. N/A 0.0 ppb (0) 3.2 ppb (3) 3.0 ppb (3) N/A N/A 22.0 ppb (17) N/A N/A 0.0 μg/m3 (0) 17.0
 
Sept. 15, 2020, 6 a.m. N/A 0.0 ppb (0) 4.0 ppb (4) 4.0 ppb (4) N/A N/A 22.0 ppb (17) N/A N/A 0.0 μg/m3 (0) 17.0
 
Sept. 15, 2020, 5 a.m. N/A 0.0 ppb (0) 4.0 ppb (4) 4.0 ppb (4) N/A N/A 22.0 ppb (17) N/A N/A 1.0 μg/m3 (4) 17.0
 
Sept. 15, 2020, 4 a.m. N/A 0.0 ppb (0) 3.6 ppb (3) 3.0 ppb (3) N/A N/A 24.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
Sept. 15, 2020, 3 a.m. N/A 0.0 ppb (0) 2.8 ppb (3) 3.0 ppb (3) N/A N/A 25.0 ppb (19) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2020, 2 a.m. N/A 0.0 ppb (0) 2.0 ppb (2) 2.0 ppb (2) N/A N/A 27.0 ppb (21) N/A N/A 4.0 μg/m3 (17) 21.0
 
Sept. 15, 2020, 1 a.m. N/A 0.0 ppb (0) 1.5 ppb (1) 1.0 ppb (1) N/A N/A 27.0 ppb (21) N/A N/A 1.0 μg/m3 (4) 21.0
 
Sept. 15, 2020, midnight N/A 0.0 ppb (0) 1.2 ppb (1) 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A 2.0 μg/m3 (8) 22.0
 
Sept. 14, 2020, 11 p.m. N/A 0.0 ppb (0) 1.4 ppb (1) 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A N/A 3.0 μg/m3 (12) 23.0
 
Sept. 14, 2020, 10 p.m. N/A 0.1 ppb (0) 1.9 ppb (2) 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A N/A 0.0 μg/m3 (0) 23.0
 
Sept. 14, 2020, 9 p.m. N/A 0.1 ppb (0) 1.5 ppb (1) 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A 1.0 μg/m3 (4) 22.0
 
Sept. 14, 2020, 8 p.m. N/A 0.1 ppb (0) 1.3 ppb (1) 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 0.0 μg/m3 (0) 24.0
 
Sept. 14, 2020, 7 p.m. N/A 0.1 ppb (0) 1.4 ppb (1) 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A N/A 1.0 μg/m3 (4) 25.0
 
Sept. 14, 2020, 6 p.m. N/A 0.1 ppb (0) 1.3 ppb (1) 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A N/A 2.0 μg/m3 (8) 25.0
 
Sept. 14, 2020, 5 p.m. N/A 0.1 ppb (0) 1.4 ppb (1) 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 0.0 μg/m3 (0) 24.0
 
Sept. 14, 2020, 4 p.m. N/A 0.2 ppb (0) 1.5 ppb (1) 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A N/A -1.0 μg/m3 (0) 23.0
 
Sept. 14, 2020, 3 p.m. N/A 0.2 ppb (0) 1.6 ppb (1) 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A -1.0 μg/m3 (0) 22.0
 
Sept. 14, 2020, 2 p.m. N/A 0.3 ppb (0) 2.2 ppb (2) 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A 2.0 μg/m3 (8) 22.0
 
Sept. 14, 2020, 1 p.m. N/A 0.6 ppb (1) 3.5 ppb (3) 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A N/A 3.0 μg/m3 (12) 20.0
 
Sept. 14, 2020, noon N/A 0.5 ppb (0) 4.0 ppb (4) 3.0 ppb (3) N/A N/A 24.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
Sept. 14, 2020, 11 a.m. N/A 0.2 ppb (0) 4.0 ppb (4) 3.0 ppb (3) N/A N/A 22.0 ppb (17) N/A N/A 3.0 μg/m3 (12) 17.0
 
Sept. 14, 2020, 10 a.m. N/A 0.0 ppb (0) 3.6 ppb (3) 3.0 ppb (3) N/A N/A 21.0 ppb (16) N/A N/A 2.0 μg/m3 (8) 16.0
 
Sept. 14, 2020, 9 a.m. N/A 0.0 ppb (0) 3.1 ppb (3) 2.0 ppb (2) N/A N/A 20.0 ppb (15) N/A N/A 2.0 μg/m3 (8) 15.0
 
Sept. 14, 2020, 8 a.m. N/A 0.0 ppb (0) 2.6 ppb (2) 2.0 ppb (2) N/A N/A 21.0 ppb (16) N/A N/A 2.0 μg/m3 (8) 16.0
 
Sept. 14, 2020, 7 a.m. N/A 0.0 ppb (0) 2.2 ppb (2) 2.0 ppb (2) N/A N/A 23.0 ppb (18) N/A N/A 0.0 μg/m3 (0) 18.0
 
Sept. 14, 2020, 6 a.m. N/A 0.0 ppb (0) 2.1 ppb (2) 2.0 ppb (2) N/A N/A 23.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Sept. 14, 2020, 5 a.m. N/A 0.0 ppb (0) 2.0 ppb (2) 2.0 ppb (2) N/A N/A 24.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
Sept. 14, 2020, 4 a.m. N/A 0.0 ppb (0) 2.1 ppb (2) 2.0 ppb (2) N/A N/A 25.0 ppb (19) N/A N/A 4.0 μg/m3 (17) 19.0
 
Sept. 14, 2020, 3 a.m. N/A 0.0 ppb (0) 3.0 ppb (3) 2.0 ppb (2) N/A N/A 25.0 ppb (19) N/A N/A 3.0 μg/m3 (12) 19.0
 
Sept. 14, 2020, 2 a.m. N/A 0.0 ppb (0) 5.0 ppb (5) 4.0 ppb (4) N/A N/A 24.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Sept. 14, 2020, 1 a.m. N/A 0.0 ppb (0) 5.2 ppb (5) 5.0 ppb (5) N/A N/A 24.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Sept. 14, 2020, midnight N/A 0.0 ppb (0) 4.3 ppb (4) 4.0 ppb (4) N/A N/A 26.0 ppb (20) N/A N/A 3.0 μg/m3 (12) 20.0
 
Sept. 13, 2020, 11 p.m. N/A 0.0 ppb (0) 4.7 ppb (4) 4.0 ppb (4) N/A N/A 27.0 ppb (21) N/A N/A 2.0 μg/m3 (8) 21.0
 
Sept. 13, 2020, 10 p.m. N/A 0.1 ppb (0) 3.6 ppb (3) 3.0 ppb (3) N/A N/A 30.0 ppb (23) N/A N/A 1.0 μg/m3 (4) 23.0
 
Sept. 13, 2020, 9 p.m. N/A 0.1 ppb (0) 2.2 ppb (2) 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A N/A 2.0 μg/m3 (8) 26.0
 
Sept. 13, 2020, 8 p.m. N/A 0.3 ppb (0) 2.7 ppb (3) 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A N/A 3.0 μg/m3 (12) 26.0
 
Sept. 13, 2020, 7 p.m. N/A 0.4 ppb (0) 2.7 ppb (3) 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A N/A 2.0 μg/m3 (8) 22.0
 
Sept. 13, 2020, 6 p.m. N/A 0.3 ppb (0) 1.8 ppb (2) 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A 0.0 μg/m3 (0) 22.0
 
Sept. 13, 2020, 5 p.m. N/A 0.2 ppb (0) 1.6 ppb (1) 1.0 ppb (1) N/A N/A 28.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
Sept. 13, 2020, 4 p.m. N/A 0.3 ppb (0) 2.0 ppb (2) 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
Sept. 13, 2020, 3 p.m. N/A 0.4 ppb (0) 2.8 ppb (3) 1.0 ppb (1) N/A N/A 27.0 ppb (21) N/A N/A 0.0 μg/m3 (0) 21.0
 
Sept. 13, 2020, 2 p.m. N/A 0.7 ppb (1) 3.3 ppb (3) 2.0 ppb (2) N/A N/A 24.0 ppb (18) N/A N/A -1.0 μg/m3 (0) 18.0
 
Sept. 13, 2020, 1 p.m. N/A 1.0 ppb (1) 4.3 ppb (4) 3.0 ppb (3) N/A N/A 20.0 ppb (15) N/A N/A 0.0 μg/m3 (0) 15.0
 
Sept. 13, 2020, noon N/A 1.7 ppb (2) 5.6 ppb (5) 3.0 ppb (3) N/A N/A 13.0 ppb (10) N/A N/A 1.0 μg/m3 (4) 10.0
 
Sept. 13, 2020, 11 a.m. N/A 1.1 ppb (1) 5.8 ppb (5) 4.0 ppb (4) N/A N/A 10.0 ppb (8) N/A N/A 0.0 μg/m3 (0) 8.0
 
Sept. 13, 2020, 10 a.m. N/A 0.2 ppb (0) 5.1 ppb (5) 4.0 ppb (4) N/A N/A 10.0 ppb (8) N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 13, 2020, 9 a.m. N/A 0.0 ppb (0) 3.3 ppb (3) 3.0 ppb (3) N/A N/A 11.0 ppb (8) N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 13, 2020, 8 a.m. N/A 0.0 ppb (0) 3.4 ppb (3) 3.0 ppb (3) N/A N/A N/A N/A N/A -1.0 μg/m3 (0) 3.0
 
Sept. 13, 2020, 7 a.m. N/A 0.0 ppb (0) 3.4 ppb (3) 3.0 ppb (3) N/A N/A 19.0 ppb (15) N/A N/A 0.0 μg/m3 (0) 15.0
 
Sept. 13, 2020, 6 a.m. N/A 0.0 ppb (0) 2.5 ppb (2) N/A N/A N/A 20.0 ppb (15) N/A N/A 0.0 μg/m3 (0) 15.0
 
Sept. 13, 2020, 5 a.m. N/A 0.0 ppb (0) 1.8 ppb (2) N/A N/A N/A 22.0 ppb (17) N/A N/A -2.0 μg/m3 (0) 17.0
 
Sept. 13, 2020, 4 a.m. N/A 0.0 ppb (0) 1.8 ppb (2) 2.0 ppb (2) N/A N/A 23.0 ppb (18) N/A N/A 1.0 μg/m3 (4) 18.0
 
Sept. 13, 2020, 3 a.m. N/A 0.0 ppb (0) 2.4 ppb (2) 3.0 ppb (3) N/A N/A 22.0 ppb (17) N/A N/A 1.0 μg/m3 (4) 17.0
 
Sept. 13, 2020, 2 a.m. N/A 0.1 ppb (0) 3.3 ppb (3) 4.0 ppb (4) N/A N/A 21.0 ppb (16) N/A N/A 1.0 μg/m3 (4) 16.0
 
Sept. 13, 2020, 1 a.m. N/A 0.1 ppb (0) 4.3 ppb (4) 5.0 ppb (5) N/A N/A 18.0 ppb (14) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 13, 2020, midnight N/A N/A N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 12, 2020, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) N/A N/A 2.0 μg/m3 (8) 16.0
 
Sept. 12, 2020, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) N/A N/A 0.0 μg/m3 (0) 17.0
 
Sept. 12, 2020, 9 p.m. N/A 0.1 ppb (0) 1.3 ppb (1) 1.0 ppb (1) N/A N/A 23.0 ppb (18) N/A N/A 1.0 μg/m3 (4) 18.0
 
Sept. 12, 2020, 8 p.m. N/A 0.1 ppb (0) 1.0 ppb (1) 1.0 ppb (1) N/A N/A 23.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Sept. 12, 2020, 7 p.m. N/A 0.1 ppb (0) 1.0 ppb (1) 1.0 ppb (1) N/A N/A 23.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Sept. 12, 2020, 6 p.m. N/A 0.2 ppb (0) 1.1 ppb (1) 1.0 ppb (1) N/A N/A 24.0 ppb (18) N/A N/A -1.0 μg/m3 (0) 18.0
 
Sept. 12, 2020, 5 p.m. N/A 0.2 ppb (0) 1.2 ppb (1) 1.0 ppb (1) N/A N/A 24.0 ppb (18) N/A N/A -1.0 μg/m3 (0) 18.0
 
Sept. 12, 2020, 4 p.m. N/A 0.2 ppb (0) 1.3 ppb (1) 1.0 ppb (1) N/A N/A 24.0 ppb (18) N/A N/A 1.0 μg/m3 (4) 18.0
 
Sept. 12, 2020, 3 p.m. N/A 0.2 ppb (0) 1.3 ppb (1) 1.0 ppb (1) N/A N/A 23.0 ppb (18) N/A N/A 0.0 μg/m3 (0) 18.0
 
Sept. 12, 2020, 2 p.m. N/A 0.4 ppb (0) 2.3 ppb (2) 1.0 ppb (1) N/A N/A 20.0 ppb (15) N/A N/A 0.0 μg/m3 (0) 15.0
 
Sept. 12, 2020, 1 p.m. N/A 1.2 ppb (1) 4.0 ppb (4) 2.0 ppb (2) N/A N/A 16.0 ppb (12) N/A N/A -1.0 μg/m3 (0) 12.0
 
Sept. 12, 2020, noon N/A 1.4 ppb (1) 4.2 ppb (4) 2.0 ppb (2) N/A N/A 14.0 ppb (11) N/A N/A 2.0 μg/m3 (8) 11.0
 
Sept. 12, 2020, 11 a.m. N/A 1.1 ppb (1) 4.8 ppb (4) 3.0 ppb (3) N/A N/A 12.0 ppb (9) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 12, 2020, 10 a.m. N/A 0.1 ppb (0) 3.7 ppb (3) 3.0 ppb (3) N/A N/A 12.0 ppb (9) N/A N/A 1.0 μg/m3 (4) 9.0
 
Sept. 12, 2020, 9 a.m. N/A 0.1 ppb (0) 3.0 ppb (3) 3.0 ppb (3) N/A N/A 12.0 ppb (9) N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 12, 2020, 8 a.m. N/A 0.1 ppb (0) 2.7 ppb (3) 2.0 ppb (2) N/A N/A 13.0 ppb (10) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 12, 2020, 7 a.m. N/A 0.0 ppb (0) 2.9 ppb (3) 3.0 ppb (3) N/A N/A 13.0 ppb (10) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2020, 6 a.m. N/A 0.1 ppb (0) 2.8 ppb (3) 2.0 ppb (2) N/A N/A 14.0 ppb (11) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 12, 2020, 5 a.m. N/A 0.1 ppb (0) 3.0 ppb (3) 2.0 ppb (2) N/A N/A 15.0 ppb (12) N/A N/A 2.0 μg/m3 (8) 12.0
 
Sept. 12, 2020, 4 a.m. N/A 0.0 ppb (0) 3.1 ppb (3) 3.0 ppb (3) N/A N/A 16.0 ppb (12) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 12, 2020, 3 a.m. N/A 0.1 ppb (0) 4.1 ppb (4) 4.0 ppb (4) N/A N/A 17.0 ppb (13) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 12, 2020, 2 a.m. N/A 0.1 ppb (0) 7.2 ppb (7) 6.0 ppb (6) N/A N/A 15.0 ppb (12) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 12, 2020, 1 a.m. N/A 0.1 ppb (0) 7.0 ppb (6) 6.0 ppb (6) N/A N/A 15.0 ppb (12) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2020, midnight N/A 0.1 ppb (0) 5.8 ppb (5) 5.0 ppb (5) N/A N/A 17.0 ppb (13) N/A N/A 1.0 μg/m3 (4) 13.0
 
Sept. 11, 2020, 11 p.m. N/A 0.1 ppb (0) 3.2 ppb (3) 3.0 ppb (3) N/A N/A 20.0 ppb (15) N/A N/A 2.0 μg/m3 (8) 15.0
 
Sept. 11, 2020, 10 p.m. N/A 0.1 ppb (0) 2.4 ppb (2) 2.0 ppb (2) N/A N/A 23.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Sept. 11, 2020, 9 p.m. N/A 0.3 ppb (0) 2.1 ppb (2) 1.0 ppb (1) N/A N/A 24.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Sept. 11, 2020, 8 p.m. N/A 0.5 ppb (0) 3.0 ppb (3) 2.0 ppb (2) N/A N/A 24.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Sept. 11, 2020, 7 p.m. N/A 0.4 ppb (0) 2.4 ppb (2) 1.0 ppb (1) N/A N/A 22.0 ppb (17) N/A N/A 0.0 μg/m3 (0) 17.0
 
Sept. 11, 2020, 6 p.m. N/A 0.3 ppb (0) 2.1 ppb (2) 1.0 ppb (1) N/A N/A 20.0 ppb (15) N/A N/A 0.0 μg/m3 (0) 15.0
 
Sept. 11, 2020, 5 p.m. N/A 0.5 ppb (0) 2.1 ppb (2) 1.0 ppb (1) N/A N/A 18.0 ppb (14) N/A N/A -3.0 μg/m3 (0) 14.0
 
Sept. 11, 2020, 4 p.m. N/A 0.3 ppb (0) 1.9 ppb (2) 1.0 ppb (1) N/A N/A 17.0 ppb (13) N/A N/A -2.0 μg/m3 (0) 13.0
 
Sept. 11, 2020, 3 p.m. N/A 0.3 ppb (0) 1.8 ppb (2) 1.0 ppb (1) N/A N/A 16.0 ppb (12) N/A N/A 1.0 μg/m3 (4) 12.0
 
Sept. 11, 2020, 2 p.m. N/A 0.6 ppb (1) 2.5 ppb (2) 2.0 ppb (2) N/A N/A 14.0 ppb (11) N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 11, 2020, 1 p.m. N/A 0.3 ppb (0) 2.1 ppb (2) 2.0 ppb (2) N/A N/A 13.0 ppb (10) N/A N/A 1.0 μg/m3 (4) 10.0
 
Sept. 11, 2020, noon N/A 0.2 ppb (0) 2.7 ppb (3) 2.0 ppb (2) N/A N/A 12.0 ppb (9) N/A N/A 2.0 μg/m3 (8) 9.0
 
Sept. 11, 2020, 11 a.m. N/A 0.3 ppb (0) 5.1 ppb (5) 4.0 ppb (4) N/A N/A 13.0 ppb (10) N/A N/A 5.0 μg/m3 (21) 21.0