ID: 477

AQSQID: 250092006

Site Name: Lynn

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

Updated: July 7, 2020, 2:35 p.m.

Location: Lynn (Pine Hill), MA

Reporting: True, Located: True

Current AQI: 14.0

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
July 7, 2020, noon N/A 1.2 ppb (1) 4.7 ppb (4) 3.0 ppb (3) N/A N/A 18.0 ppb (14) N/A N/A 1.0 μg/m3 (4) 14.0
 
July 7, 2020, 11 a.m. N/A 0.5 ppb (0) 4.1 ppb (4) 3.0 ppb (3) N/A N/A 15.0 ppb (12) N/A N/A 0.0 μg/m3 (0) 12.0
 
July 7, 2020, 10 a.m. N/A 0.7 ppb (1) 6.9 ppb (6) 6.0 ppb (6) N/A N/A 10.0 ppb (8) N/A N/A 2.0 μg/m3 (8) 8.0
 
July 7, 2020, 9 a.m. N/A 0.2 ppb (0) 5.5 ppb (5) 5.0 ppb (5) N/A N/A 11.0 ppb (8) N/A N/A 3.0 μg/m3 (12) 12.0
 
July 7, 2020, 8 a.m. N/A 0.0 ppb (0) 3.0 ppb (3) 3.0 ppb (3) N/A N/A 15.0 ppb (12) N/A N/A 3.0 μg/m3 (12) 12.0
 
July 7, 2020, 7 a.m. N/A 0.0 ppb (0) 3.3 ppb (3) 3.0 ppb (3) N/A N/A 14.0 ppb (11) N/A N/A 3.0 μg/m3 (12) 12.0
 
July 7, 2020, 6 a.m. N/A 0.0 ppb (0) 3.2 ppb (3) 3.0 ppb (3) N/A N/A 17.0 ppb (13) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 7, 2020, 5 a.m. N/A 0.0 ppb (0) 3.1 ppb (3) 3.0 ppb (3) N/A N/A 18.0 ppb (14) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 7, 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 2.0 μg/m3 (8) 16.0
 
July 7, 2020, 3 a.m. N/A 0.0 ppb (0) 3.3 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
 
July 7, 2020, 2 a.m. N/A 0.0 ppb (0) 2.2 ppb (2) 2.0 ppb (2) N/A N/A 25.0 ppb (19) N/A N/A 3.0 μg/m3 (12) 19.0
 
July 7, 2020, 1 a.m. N/A 0.1 ppb (0) 2.3 ppb (2) 2.0 ppb (2) N/A N/A 24.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
July 7, 2020, midnight N/A 0.1 ppb (0) 2.1 ppb (2) 2.0 ppb (2) N/A N/A 25.0 ppb (19) N/A N/A 0.0 μg/m3 (0) 19.0
 
July 6, 2020, 11 p.m. N/A 0.2 ppb (0) 2.1 ppb (2) 2.0 ppb (2) N/A N/A 25.0 ppb (19) N/A N/A 2.0 μg/m3 (8) 19.0
 
July 6, 2020, 10 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 (8) 20.0
 
July 6, 2020, 9 p.m. N/A 0.3 ppb (0) 2.3 ppb (2) 2.0 ppb (2) N/A N/A 28.0 ppb (22) N/A N/A 1.0 μg/m3 (4) 22.0
 
July 6, 2020, 8 p.m. N/A 0.3 ppb (0) 2.3 ppb (2) 1.0 ppb (1) N/A N/A 28.0 ppb (22) N/A N/A -1.0 μg/m3 (0) 22.0
 
July 6, 2020, 7 p.m. N/A 0.4 ppb (0) 2.6 ppb (2) 1.0 ppb (1) N/A N/A 28.0 ppb (22) N/A N/A -1.0 μg/m3 (0) 22.0
 
July 6, 2020, 6 p.m. N/A 0.3 ppb (0) 2.5 ppb (2) 1.0 ppb (1) N/A N/A 28.0 ppb (22) N/A N/A 2.0 μg/m3 (8) 22.0
 
July 6, 2020, 5 p.m. N/A 0.3 ppb (0) 2.7 ppb (3) 2.0 ppb (2) N/A N/A 28.0 ppb (22) N/A N/A 2.0 μg/m3 (8) 22.0
 
July 6, 2020, 4 p.m. N/A 0.3 ppb (0) 2.4 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
 
July 6, 2020, 3 p.m. N/A 0.3 ppb (0) 1.9 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
 
July 6, 2020, 2 p.m. N/A 0.2 ppb (0) 2.1 ppb (2) 2.0 ppb (2) N/A N/A 27.0 ppb (21) N/A N/A 2.0 μg/m3 (8) 21.0
 
July 6, 2020, 1 p.m. N/A 0.3 ppb (0) 2.5 ppb (2) 2.0 ppb (2) N/A N/A 25.0 ppb (19) N/A N/A 2.0 μg/m3 (8) 19.0
 
July 6, 2020, noon N/A 0.2 ppb (0) 2.5 ppb (2) 2.0 ppb (2) N/A N/A 24.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
July 6, 2020, 11 a.m. N/A 0.2 ppb (0) 3.1 ppb (3) 3.0 ppb (3) N/A N/A 22.0 ppb (17) N/A N/A 3.0 μg/m3 (12) 17.0
 
July 6, 2020, 10 a.m. N/A 0.3 ppb (0) 4.9 ppb (5) 4.0 ppb (4) N/A N/A 15.0 ppb (12) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 6, 2020, 9 a.m. N/A 0.1 ppb (0) 4.4 ppb (4) 4.0 ppb (4) N/A N/A 18.0 ppb (14) N/A N/A 3.0 μg/m3 (12) 14.0
 
July 6, 2020, 8 a.m. N/A 0.0 ppb (0) 3.7 ppb (3) 3.0 ppb (3) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 3.0
 
July 6, 2020, 7 a.m. N/A 0.0 ppb (0) 3.8 ppb (4) 3.0 ppb (3) N/A N/A 21.0 ppb (16) N/A N/A 1.0 μg/m3 (4) 16.0
 
July 6, 2020, 6 a.m. N/A 0.0 ppb (0) 4.3 ppb (4) N/A N/A N/A 19.0 ppb (15) N/A N/A 3.0 μg/m3 (12) 15.0
 
July 6, 2020, 5 a.m. N/A 0.0 ppb (0) 3.6 ppb (3) N/A N/A N/A 20.0 ppb (15) N/A N/A 3.0 μg/m3 (12) 15.0
 
July 6, 2020, 4 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 2.0 μg/m3 (8) 18.0
 
July 6, 2020, 3 a.m. N/A 0.0 ppb (0) 2.0 ppb (2) 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 6, 2020, 2 a.m. N/A 0.0 ppb (0) 6.0 ppb (6) 5.0 ppb (5) N/A N/A 21.0 ppb (16) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 6, 2020, 1 a.m. N/A 0.2 ppb (0) 8.6 ppb (8) 7.0 ppb (6) N/A N/A 19.0 ppb (15) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 6, 2020, midnight N/A N/A N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 5, 2020, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 5, 2020, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
July 5, 2020, 9 p.m. N/A 0.2 ppb (0) 2.9 ppb (3) 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A N/A 6.0 μg/m3 (25) 31.0
 
July 5, 2020, 8 p.m. N/A 0.2 ppb (0) 2.9 ppb (3) 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 6.0 μg/m3 (25) 31.0
 
July 5, 2020, 7 p.m. N/A 0.2 ppb (0) 3.7 ppb (3) 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 5, 2020, 6 p.m. N/A 0.3 ppb (0) 4.9 ppb (5) 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A 14.0 μg/m3 (54) 54.0
 
July 5, 2020, 5 p.m. N/A 0.4 ppb (0) 5.8 ppb (5) 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 5, 2020, 4 p.m. N/A 0.6 ppb (1) 6.5 ppb (6) 3.0 ppb (3) N/A N/A 40.0 ppb (31) N/A N/A 17.0 μg/m3 (61) 61.0
 
July 5, 2020, 3 p.m. N/A 0.5 ppb (0) 5.1 ppb (5) 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A N/A 13.0 μg/m3 (52) 52.0
 
July 5, 2020, 2 p.m. N/A 0.4 ppb (0) 4.1 ppb (4) 2.0 ppb (2) N/A N/A 24.0 ppb (18) N/A N/A 15.0 μg/m3 (56) 56.0
 
July 5, 2020, 1 p.m. N/A 0.2 ppb (0) 3.5 ppb (3) 2.0 ppb (2) N/A N/A 22.0 ppb (17) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 5, 2020, noon N/A 0.2 ppb (0) 3.6 ppb (3) 2.0 ppb (2) N/A N/A 21.0 ppb (16) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 5, 2020, 11 a.m. N/A 0.2 ppb (0) 3.5 ppb (3) 2.0 ppb (2) N/A N/A 20.0 ppb (15) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 5, 2020, 10 a.m. N/A 0.2 ppb (0) 5.6 ppb (5) 4.0 ppb (4) N/A N/A 18.0 ppb (14) N/A N/A 18.0 μg/m3 (63) 63.0
 
July 5, 2020, 9 a.m. N/A 0.1 ppb (0) 6.4 ppb (6) 5.0 ppb (5) N/A N/A 15.0 ppb (12) N/A N/A 27.0 μg/m3 (82) 82.0
 
July 5, 2020, 8 a.m. N/A 0.1 ppb (0) 6.4 ppb (6) 5.0 ppb (5) N/A N/A 15.0 ppb (12) N/A N/A 33.0 μg/m3 (95) 95.0
 
July 5, 2020, 7 a.m. N/A 0.1 ppb (0) 7.4 ppb (7) 6.0 ppb (6) N/A N/A 14.0 ppb (11) N/A N/A 40.0 μg/m3 (111) 111.0
 
July 5, 2020, 6 a.m. N/A 0.1 ppb (0) 7.0 ppb (6) 6.0 ppb (6) N/A N/A 12.0 ppb (9) N/A N/A 37.0 μg/m3 (104) 104.0
 
July 5, 2020, 5 a.m. N/A 0.1 ppb (0) 6.3 ppb (6) 5.0 ppb (5) N/A N/A 13.0 ppb (10) N/A N/A 43.0 μg/m3 (119) 119.0
 
July 5, 2020, 4 a.m. N/A 0.0 ppb (0) 5.3 ppb (5) 4.0 ppb (4) N/A N/A 16.0 ppb (12) N/A N/A 32.0 μg/m3 (93) 93.0
 
July 5, 2020, 3 a.m. N/A 0.1 ppb (0) 6.4 ppb (6) 5.0 ppb (5) N/A N/A 18.0 ppb (14) N/A N/A 59.0 μg/m3 (152) 152.0
 
July 5, 2020, 2 a.m. N/A 0.2 ppb (0) 6.0 ppb (6) 5.0 ppb (5) N/A N/A 22.0 ppb (17) N/A N/A 80.0 μg/m3 (163) 163.0
 
July 5, 2020, 1 a.m. N/A 0.1 ppb (0) 4.8 ppb (4) 4.0 ppb (4) N/A N/A 26.0 ppb (20) N/A N/A 42.0 μg/m3 (116) 116.0
 
July 5, 2020, midnight N/A 0.1 ppb (0) 4.2 ppb (4) 4.0 ppb (4) N/A N/A 27.0 ppb (21) N/A N/A 13.0 μg/m3 (52) 52.0
 
July 4, 2020, 11 p.m. N/A 0.1 ppb (0) 2.6 ppb (2) 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 4, 2020, 10 p.m. N/A 0.2 ppb (0) 2.2 ppb (2) 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 4, 2020, 9 p.m. N/A 0.2 ppb (0) 2.0 ppb (2) 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 4, 2020, 8 p.m. N/A 0.3 ppb (0) 2.1 ppb (2) 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A N/A 3.0 μg/m3 (12) 25.0
 
July 4, 2020, 7 p.m. N/A 0.3 ppb (0) 2.1 ppb (2) 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 3.0 μg/m3 (12) 25.0
 
July 4, 2020, 6 p.m. N/A 0.3 ppb (0) 2.2 ppb (2) 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A N/A 1.0 μg/m3 (4) 25.0
 
July 4, 2020, 5 p.m. N/A 0.4 ppb (0) 2.6 ppb (2) 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A N/A 1.0 μg/m3 (4) 24.0
 
July 4, 2020, 4 p.m. N/A 0.4 ppb (0) 2.7 ppb (3) 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A N/A 2.0 μg/m3 (8) 25.0
 
July 4, 2020, 3 p.m. N/A 0.4 ppb (0) 2.9 ppb (3) 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A N/A 4.0 μg/m3 (17) 23.0
 
July 4, 2020, 2 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 5.0 μg/m3 (21) 22.0
 
July 4, 2020, 1 p.m. N/A 0.1 ppb (0) 1.5 ppb (1) 1.0 ppb (1) N/A N/A 25.0 ppb (19) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 4, 2020, noon N/A 0.1 ppb (0) 1.4 ppb (1) 1.0 ppb (1) N/A N/A 24.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
July 4, 2020, 11 a.m. N/A 0.0 ppb (0) 1.2 ppb (1) 1.0 ppb (1) N/A N/A 24.0 ppb (18) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 4, 2020, 10 a.m. N/A 0.0 ppb (0) 1.1 ppb (1) 1.0 ppb (1) N/A N/A 25.0 ppb (19) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 4, 2020, 9 a.m. N/A 0.0 ppb (0) 1.0 ppb (1) 1.0 ppb (1) N/A N/A 28.0 ppb (22) N/A N/A 4.0 μg/m3 (17) 22.0
 
July 4, 2020, 8 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 4, 2020, 7 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) 0.0 ppb (0) N/A N/A 31.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
July 4, 2020, 6 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
July 4, 2020, 5 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 2.0 μg/m3 (8) 25.0
 
July 4, 2020, 4 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 1.0 μg/m3 (4) 25.0
 
July 4, 2020, 3 a.m. N/A 0.0 ppb (0) 1.0 ppb (1) 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A N/A 3.0 μg/m3 (12) 26.0
 
July 4, 2020, 2 a.m. N/A 0.0 ppb (0) 1.3 ppb (1) 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A N/A 5.0 μg/m3 (21) 26.0
 
July 4, 2020, 1 a.m. N/A 0.0 ppb (0) 1.6 ppb (1) 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A N/A 5.0 μg/m3 (21) 27.0
 
July 4, 2020, midnight N/A 0.0 ppb (0) 1.2 ppb (1) 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 2.0 μg/m3 (8) 25.0
 
July 3, 2020, 11 p.m. N/A 0.0 ppb (0) 1.3 ppb (1) 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 3.0 μg/m3 (12) 24.0
 
July 3, 2020, 10 p.m. N/A 0.0 ppb (0) 1.6 ppb (1) 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 3, 2020, 9 p.m. N/A 0.1 ppb (0) 1.8 ppb (2) 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 3, 2020, 8 p.m. N/A 0.1 ppb (0) 1.6 ppb (1) 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 3, 2020, 7 p.m. N/A 0.1 ppb (0) 1.5 ppb (1) 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 3, 2020, 6 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 6.0 μg/m3 (25) 25.0
 
July 3, 2020, 5 p.m. N/A 0.1 ppb (0) 1.4 ppb (1) 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 3, 2020, 4 p.m. N/A 0.1 ppb (0) 1.3 ppb (1) 1.0 ppb (1) N/A N/A 36.0 ppb (28) N/A N/A 2.0 μg/m3 (8) 28.0
 
July 3, 2020, 3 p.m. N/A 0.1 ppb (0) 1.4 ppb (1) 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A N/A 2.0 μg/m3 (8) 23.0
 
July 3, 2020, 2 p.m. N/A 0.2 ppb (0) 1.5 ppb (1) 1.0 ppb (1) N/A N/A 22.0 ppb (17) N/A N/A 2.0 μg/m3 (8) 17.0
 
July 3, 2020, 1 p.m. N/A 0.2 ppb (0) 1.5 ppb (1) 1.0 ppb (1) N/A N/A 18.0 ppb (14) N/A N/A 2.0 μg/m3 (8) 14.0
 
July 3, 2020, noon N/A 0.1 ppb (0) 1.6 ppb (1) 1.0 ppb (1) N/A N/A 21.0 ppb (16) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 3, 2020, 11 a.m. N/A 0.1 ppb (0) 2.0 ppb (2) 1.0 ppb (1) N/A N/A 28.0 ppb (22) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 3, 2020, 10 a.m. N/A 0.1 ppb (0) 2.7 ppb (3) 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 3, 2020, 9 a.m. N/A 0.1 ppb (0) 4.0 ppb (4) 3.0 ppb (3) N/A N/A 19.0 ppb (15) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 3, 2020, 8 a.m. N/A 0.0 ppb (0) 5.1 ppb (5) 4.0 ppb (4) N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
July 3, 2020, 7 a.m. N/A 0.1 ppb (0) 5.5 ppb (5) 5.0 ppb (5) N/A N/A 13.0 ppb (10) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 3, 2020, 6 a.m. N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A N/A 14.0 ppb (11) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 3, 2020, 5 a.m. N/A 0.0 ppb (0) 4.3 ppb (4) N/A N/A N/A 16.0 ppb (12) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 3, 2020, 4 a.m. N/A 0.0 ppb (0) 3.6 ppb (3) 3.0 ppb (3) N/A N/A 17.0 ppb (13) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 3, 2020, 3 a.m. N/A 0.1 ppb (0) 3.8 ppb (4) 3.0 ppb (3) N/A N/A 21.0 ppb (16) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 3, 2020, 2 a.m. N/A 0.0 ppb (0) 3.7 ppb (3) 3.0 ppb (3) N/A N/A 24.0 ppb (18) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 3, 2020, 1 a.m. N/A 0.1 ppb (0) 6.0 ppb (6) 5.0 ppb (5) N/A N/A 24.0 ppb (18) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 3, 2020, midnight N/A N/A N/A 8.0 ppb (7) N/A N/A 36.0 ppb (28) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 2, 2020, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 45.0 ppb (35) N/A N/A 6.0 μg/m3 (25) 35.0
 
July 2, 2020, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 50.0 ppb (38) N/A N/A 7.0 μg/m3 (29) 38.0
 
July 2, 2020, 9 p.m. N/A 0.4 ppb (0) 7.0 ppb (6) 4.0 ppb (4) N/A N/A 50.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0
 
July 2, 2020, 8 p.m. N/A 0.4 ppb (0) 6.8 ppb (6) 4.0 ppb (4) N/A N/A 50.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
July 2, 2020, 7 p.m. N/A 0.4 ppb (0) 6.6 ppb (6) 3.0 ppb (3) N/A N/A 52.0 ppb (40) N/A N/A 3.0 μg/m3 (12) 40.0
 
July 2, 2020, 6 p.m. N/A 0.5 ppb (0) 8.2 ppb (8) 4.0 ppb (4) N/A N/A 56.0 ppb (43) N/A N/A 2.0 μg/m3 (8) 43.0
 
July 2, 2020, 5 p.m. N/A 0.7 ppb (1) 9.9 ppb (9) 5.0 ppb (5) N/A N/A 58.0 ppb (45) N/A N/A 4.0 μg/m3 (17) 45.0
 
July 2, 2020, 4 p.m. N/A 1.4 ppb (1) 13.7 ppb (13) 7.0 ppb (6) N/A N/A 51.0 ppb (39) N/A N/A 6.0 μg/m3 (25) 39.0
 
July 2, 2020, 3 p.m. N/A 3.7 ppb (3) 19.2 ppb (18) 11.0 ppb (10) N/A N/A 37.0 ppb (28) N/A N/A 0.0 μg/m3 (0) 28.0
 
July 2, 2020, 2 p.m. N/A 8.1 ppb (8) 25.5 ppb (24) 14.0 ppb (13) N/A N/A 21.0 ppb (16) N/A N/A 0.0 μg/m3 (0) 24.0
 
July 2, 2020, 1 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 20.0 ppb (15) N/A N/A 0.0 μg/m3 (0) 15.0
 
July 2, 2020, noon N/A 2.1 ppb (2) 6.8 ppb (6) 4.0 ppb (4) N/A N/A 16.0 ppb (12) N/A N/A 0.0 μg/m3 (0) 12.0
 
July 2, 2020, 11 a.m. N/A 1.5 ppb (1) 5.9 ppb (5) 3.0 ppb (3) N/A N/A 12.0 ppb (9) N/A N/A 0.0 μg/m3 (0) 9.0
 
July 2, 2020, 10 a.m. N/A 1.0 ppb (1) 6.4 ppb (6) 5.0 ppb (5) N/A N/A 11.0 ppb (8) N/A N/A 0.0 μg/m3 (0) 8.0
 
July 2, 2020, 9 a.m. N/A 0.2 ppb (0) 5.4 ppb (5) 4.0 ppb (4) N/A N/A 14.0 ppb (11) N/A N/A 0.0 μg/m3 (0) 11.0
 
July 2, 2020, 8 a.m. N/A 0.1 ppb (0) 6.2 ppb (6) 5.0 ppb (5) N/A N/A 14.0 ppb (11) N/A N/A 0.0 μg/m3 (0) 11.0
 
July 2, 2020, 7 a.m. N/A 0.1 ppb (0) 10.2 ppb (9) 8.0 ppb (7) N/A N/A 10.0 ppb (8) N/A N/A 0.0 μg/m3 (0) 9.0
 
July 2, 2020, 6 a.m. N/A 0.1 ppb (0) 9.5 ppb (9) 8.0 ppb (7) N/A N/A 11.0 ppb (8) N/A N/A 0.0 μg/m3 (0) 9.0
 
July 2, 2020, 5 a.m. N/A 0.1 ppb (0) 7.5 ppb (7) 6.0 ppb (6) N/A N/A 16.0 ppb (12) N/A N/A 0.0 μg/m3 (0) 12.0
 
July 2, 2020, 4 a.m. N/A 0.0 ppb (0) 8.1 ppb (8) 6.0 ppb (6) N/A N/A 20.0 ppb (15) N/A N/A 0.0 μg/m3 (0) 15.0
 
July 2, 2020, 3 a.m. N/A 0.0 ppb (0) 7.7 ppb (7) 6.0 ppb (6) N/A N/A 22.0 ppb (17) N/A N/A 0.0 μg/m3 (0) 17.0
 
July 2, 2020, 2 a.m. N/A 0.1 ppb (0) 9.2 ppb (9) 7.0 ppb (6) N/A N/A 25.0 ppb (19) N/A N/A 0.0 μg/m3 (0) 19.0
 
July 2, 2020, 1 a.m. N/A 0.1 ppb (0) 7.9 ppb (7) 6.0 ppb (6) N/A N/A 31.0 ppb (24) N/A N/A 0.0 μg/m3 (0) 24.0
 
July 2, 2020, midnight N/A 0.1 ppb (0) 5.4 ppb (5) 5.0 ppb (5) N/A N/A 32.0 ppb (25) N/A N/A 0.0 μg/m3 (0) 25.0
 
July 1, 2020, 11 p.m. N/A 0.1 ppb (0) 4.3 ppb (4) 3.0 ppb (3) N/A N/A 37.0 ppb (28) N/A N/A 0.0 μg/m3 (0) 28.0
 
July 1, 2020, 10 p.m. N/A 0.1 ppb (0) 3.4 ppb (3) 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A N/A 0.0 μg/m3 (0) 30.0
 
July 1, 2020, 9 p.m. N/A 0.2 ppb (0) 3.1 ppb (3) 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A N/A 0.0 μg/m3 (0) 30.0
 
July 1, 2020, 8 p.m. N/A 0.2 ppb (0) 2.9 ppb (3) 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
July 1, 2020, 7 p.m. N/A 0.2 ppb (0) 2.6 ppb (2) 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A N/A 0.0 μg/m3 (0) 30.0
 
July 1, 2020, 6 p.m. N/A 0.3 ppb (0) 3.1 ppb (3) 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A N/A 0.0 μg/m3 (0) 30.0
 
July 1, 2020, 5 p.m. N/A 0.2 ppb (0) 3.4 ppb (3) 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A N/A 1.0 μg/m3 (4) 29.0
 
July 1, 2020, 4 p.m. N/A 0.5 ppb (0) 4.1 ppb (4) 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A N/A -1.0 μg/m3 (0) 26.0
 
July 1, 2020, 3 p.m. N/A 0.6 ppb (1) 4.3 ppb (4) 3.0 ppb (3) N/A N/A 28.0 ppb (22) N/A N/A 4.0 μg/m3 (17) 22.0
 
July 1, 2020, 2 p.m. N/A 0.7 ppb (1) 6.0 ppb (6) 4.0 ppb (4) N/A N/A 23.0 ppb (18) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 1, 2020, 1 p.m. N/A 2.1 ppb (2) 13.1 ppb (12) 10.0 ppb (9) N/A N/A 12.0 ppb (9) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 1, 2020, noon N/A 2.9 ppb (3) 11.8 ppb (11) 8.0 ppb (7) N/A N/A 15.0 ppb (12) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 1, 2020, 11 a.m. N/A 2.5 ppb (2) 13.6 ppb (13) 10.0 ppb (9) N/A N/A 12.0 ppb (9) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 1, 2020, 10 a.m. N/A 1.8 ppb (2) 15.5 ppb (14) 12.0 ppb (11) N/A N/A 9.0 ppb (7) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 1, 2020, 9 a.m. N/A 0.4 ppb (0) 12.1 ppb (11) 10.0 ppb (9) N/A N/A 10.0 ppb (8) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 1, 2020, 8 a.m. N/A 0.1 ppb (0) 10.9 ppb (10) 9.0 ppb (8) N/A N/A 12.0 ppb (9) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 1, 2020, 7 a.m. N/A 0.1 ppb (0) 10.8 ppb (10) 9.0 ppb (8) N/A N/A 13.0 ppb (10) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 1, 2020, 6 a.m. N/A 0.1 ppb (0) 8.1 ppb (8) 7.0 ppb (6) N/A N/A 16.0 ppb (12) N/A N/A 2.0 μg/m3 (8) 12.0
 
July 1, 2020, 5 a.m. N/A 0.1 ppb (0) 8.8 ppb (8) 7.0 ppb (6) N/A N/A 15.0 ppb (12) N/A N/A 1.0 μg/m3 (4) 12.0
 
July 1, 2020, 4 a.m. N/A 0.0 ppb (0) 5.8 ppb (5) 5.0 ppb (5) N/A N/A 19.0 ppb (15) N/A N/A -1.0 μg/m3 (0) 15.0
 
July 1, 2020, 3 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 0.0 μg/m3 (0) 19.0
 
July 1, 2020, 2 a.m. N/A 0.0 ppb (0) 3.1 ppb (3) 3.0 ppb (3) N/A N/A 23.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
July 1, 2020, 1 a.m. N/A 0.0 ppb (0) 1.8 ppb (2) 2.0 ppb (2) N/A N/A 24.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
July 1, 2020, midnight N/A 0.0 ppb (0) 2.0 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
 
June 30, 2020, 11 p.m. N/A 0.0 ppb (0) 1.7 ppb (2) 2.0 ppb (2) N/A N/A 28.0 ppb (22) N/A N/A 2.0 μg/m3 (8) 22.0
 
June 30, 2020, 10 p.m. N/A 0.1 ppb (0) 1.8 ppb (2) 2.0 ppb (2) N/A N/A 28.0 ppb (22) N/A N/A 2.0 μg/m3 (8) 22.0
 
June 30, 2020, 9 p.m. N/A 0.2 ppb (0) 2.2 ppb (2) 2.0 ppb (2) N/A N/A 28.0 ppb (22) N/A N/A 4.0 μg/m3 (17) 22.0
 
June 30, 2020, 8 p.m. N/A 0.2 ppb (0) 2.1 ppb (2) 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A N/A 4.0 μg/m3 (17) 22.0
 
June 30, 2020, 7 p.m. N/A 0.3 ppb (0) 2.1 ppb (2) 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A 1.0 μg/m3 (4) 22.0
 
June 30, 2020, 6 p.m. N/A 0.3 ppb (0) 2.5 ppb (2) 2.0 ppb (2) N/A N/A 28.0 ppb (22) N/A N/A 2.0 μg/m3 (8) 22.0
 
June 30, 2020, 5 p.m. N/A 0.2 ppb (0) 2.3 ppb (2) 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A N/A 5.0 μg/m3 (21) 22.0
 
June 30, 2020, 4 p.m. N/A 0.2 ppb (0) 2.6 ppb (2) 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A N/A 2.0 μg/m3 (8) 22.0
 
June 30, 2020, 3 p.m. N/A 0.1 ppb (0) 1.6 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
 
June 30, 2020, 2 p.m. N/A 0.1 ppb (0) 1.6 ppb (1) 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 2.0 μg/m3 (8) 24.0
 
June 30, 2020, 1 p.m. N/A 0.2 ppb (0) 2.1 ppb (2) 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A N/A 0.0 μg/m3 (0) 24.0