ID: 1633

AQSQID: 370630015

Site Name: Durham Armory

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

Updated: Sept. 19, 2020, 12:39 p.m.

Location: Durham (Stadium Dr), NC

Reporting: True, Located: True

Current AQI: 17.0

Durham (Stadium Dr) NC, US: 36.032955, -78.904037

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 19, 2020, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 22.0 ppb (17) N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 17.0
 
Sept. 19, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Sept. 19, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Sept. 19, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 12.0 μg/m3 (11) 12.0 μg/m3 (50) 50.0
 
Sept. 19, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A 18.0 μg/m3 (16) 11.0 μg/m3 (46) 46.0
 
Sept. 19, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A 24.0 μg/m3 (22) 15.0 μg/m3 (56) 56.0
 
Sept. 19, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A 19.0 μg/m3 (17) 14.0 μg/m3 (54) 54.0
 
Sept. 19, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A 18.0 μg/m3 (16) 15.0 μg/m3 (56) 56.0
 
Sept. 19, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A 16.0 μg/m3 (15) 13.0 μg/m3 (52) 52.0
 
Sept. 19, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A 19.0 μg/m3 (17) 12.0 μg/m3 (50) 50.0
 
Sept. 19, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Sept. 18, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A 13.0 μg/m3 (12) 11.0 μg/m3 (46) 46.0
 
Sept. 18, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A 10.0 μg/m3 (9) 13.0 μg/m3 (52) 52.0
 
Sept. 18, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A 17.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Sept. 18, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Sept. 18, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A 6.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
Sept. 18, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A 5.0 μg/m3 (5) -2.0 μg/m3 (0) 20.0
 
Sept. 18, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 16.0
 
Sept. 18, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A 6.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
Sept. 18, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A 6.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
Sept. 18, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 22.0
 
Sept. 18, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A -2.0 μg/m3 (0) 3.0 μg/m3 (12) 23.0
 
Sept. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 0.0 μg/m3 (0) 22.0
 
Sept. 18, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 0.0 μg/m3 (0) 21.0
 
Sept. 18, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A -2.0 μg/m3 (0) 22.0
 
Sept. 18, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 158.0 μg/m3 (102) -3.0 μg/m3 (0) 102.0
 
Sept. 18, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 0.0 μg/m3 (0) 22.0
 
Sept. 18, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 1.0 μg/m3 (4) 23.0
 
Sept. 18, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 5.0 μg/m3 (21) 22.0
 
Sept. 18, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A 226.0 μg/m3 (136) 9.0 μg/m3 (38) 136.0
 
Sept. 18, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A -1.0 μg/m3 (0) 22.0
 
Sept. 18, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 0.0 μg/m3 (0) 18.0
 
Sept. 18, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A -2.0 μg/m3 (0) 16.0
 
Sept. 18, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A -2.0 μg/m3 (0) -2.0 μg/m3 (0) 15.0
 
Sept. 17, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A -2.0 μg/m3 (0) 4.0 μg/m3 (17) 17.0
 
Sept. 17, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A -4.0 μg/m3 (0) 7.0 μg/m3 (29) 29.0
 
Sept. 17, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A -2.0 μg/m3 (0) 1.0 μg/m3 (4) 14.0
 
Sept. 17, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A 1.0 μg/m3 (1) 3.0 μg/m3 (12) 15.0
 
Sept. 17, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A 2.0 μg/m3 (2) 2.0 μg/m3 (8) 14.0
 
Sept. 17, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A 1.0 μg/m3 (1) 2.0 μg/m3 (8) 15.0
 
Sept. 17, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A 2.0 μg/m3 (2) 5.0 μg/m3 (21) 21.0
 
Sept. 17, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Sept. 17, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 13.0
 
Sept. 17, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 14.0
 
Sept. 17, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A 2.0 μg/m3 (2) 1.0 μg/m3 (4) 15.0
 
Sept. 17, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 3.0 μg/m3 (12) 15.0
 
Sept. 17, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 3.0 μg/m3 (12) 15.0
 
Sept. 17, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 17, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (12) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 8.0
 
Sept. 17, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 11.0
 
Sept. 17, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (12) N/A 9.0 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
Sept. 17, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Sept. 17, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A 18.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
Sept. 17, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A 10.0 μg/m3 (9) 7.0 μg/m3 (29) 29.0
 
Sept. 17, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A 10.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
Sept. 17, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A 10.0 μg/m3 (9) 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A 10.0 μg/m3 (9) 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A 16.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Sept. 16, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A 21.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A 17.0 μg/m3 (15) 4.0 μg/m3 (17) 26.0
 
Sept. 16, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A 13.0 μg/m3 (12) 1.0 μg/m3 (4) 25.0
 
Sept. 16, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 25.0
 
Sept. 16, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 20.0
 
Sept. 16, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (8) N/A 10.0 μg/m3 (9) 1.0 μg/m3 (4) 9.0
 
Sept. 16, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 8.0 ppb (6) N/A 7.0 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
Sept. 16, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (8) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 8.0
 
Sept. 16, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 12.0
 
Sept. 16, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Sept. 16, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 7.0 μg/m3 (6) 2.0 μg/m3 (8) 14.0
 
Sept. 16, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 15.0
 
Sept. 16, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Sept. 16, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Sept. 16, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A 7.0 μg/m3 (6) 2.0 μg/m3 (8) 15.0
 
Sept. 16, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 15.0
 
Sept. 16, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 12.0
 
Sept. 16, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 12.0
 
Sept. 15, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A 7.0 μg/m3 (6) 2.0 μg/m3 (8) 16.0
 
Sept. 15, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 20.0
 
Sept. 15, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A 8.0 μg/m3 (7) 1.0 μg/m3 (4) 22.0
 
Sept. 15, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 23.0
 
Sept. 15, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A 11.0 μg/m3 (10) 2.0 μg/m3 (8) 23.0
 
Sept. 15, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A 10.0 μg/m3 (9) 2.0 μg/m3 (8) 23.0
 
Sept. 15, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 24.0
 
Sept. 15, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A 10.0 μg/m3 (9) 0.0 μg/m3 (0) 23.0
 
Sept. 15, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A 9.0 μg/m3 (8) 0.0 μg/m3 (0) 21.0
 
Sept. 15, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A 11.0 μg/m3 (10) 2.0 μg/m3 (8) 18.0
 
Sept. 15, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A 7.0 μg/m3 (6) 2.0 μg/m3 (8) 14.0
 
Sept. 15, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (12) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (12) N/A 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
Sept. 15, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) N/A 13.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (12) N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A 7.0 μg/m3 (6) 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A 7.0 μg/m3 (6) 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A 9.0 μg/m3 (8) 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 24.0
 
Sept. 14, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A 13.0 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
Sept. 14, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2020, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 28.0 ppb (22) N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 22.0
 
Sept. 14, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2020, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 22.0 ppb (17) N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2020, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 17.0 ppb (13) N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 8.0 ppb (6) N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
Sept. 14, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 12.0
 
Sept. 14, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
Sept. 14, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) N/A 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 8.0 μg/m3 (33) 33.0
 
Sept. 14, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A 7.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A 7.0 μg/m3 (6) 8.0 μg/m3 (33) 33.0
 
Sept. 14, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) N/A 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 2.0 ppb (2) N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 12.0
 
Sept. 14, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 7.0 ppb (5) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Sept. 13, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Sept. 13, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Sept. 13, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Sept. 13, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 21.0
 
Sept. 13, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 22.0
 
Sept. 13, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 22.0
 
Sept. 13, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 22.0
 
Sept. 13, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A 11.0 μg/m3 (10) 7.0 μg/m3 (29) 29.0
 
Sept. 13, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
Sept. 13, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Sept. 13, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Sept. 13, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 13.0
 
Sept. 13, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
Sept. 13, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Sept. 13, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) N/A 15.0 μg/m3 (14) 4.0 μg/m3 (17) 17.0
 
Sept. 13, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Sept. 13, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 11.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
Sept. 13, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A 13.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
Sept. 13, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 19.0
 
Sept. 13, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A 14.0 μg/m3 (13) 3.0 μg/m3 (12) 20.0
 
Sept. 13, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A 11.0 μg/m3 (10) 2.0 μg/m3 (8) 20.0
 
Sept. 13, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A 13.0 μg/m3 (12) 4.0 μg/m3 (17) 19.0
 
Sept. 13, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Sept. 13, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Sept. 12, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Sept. 12, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 19.0
 
Sept. 12, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Sept. 12, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A 10.0 μg/m3 (9) 5.0 μg/m3 (21) 22.0
 
Sept. 12, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 22.0
 
Sept. 12, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A 8.0 μg/m3 (7) 4.0 μg/m3 (17) 21.0
 
Sept. 12, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A 5.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Sept. 12, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Sept. 12, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A 11.0 μg/m3 (10) 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A 13.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
Sept. 12, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A 13.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0