ID: 5

AQSQID: 000030701

Site Name: Aylesford Mountain

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

Updated: Sept. 24, 2020, 12:40 a.m.

Location: Melvern Square (Ben Phinney Rd), CC

Reporting: True, Located: True

Current AQI: 42.0

Melvern Square (Ben Phinney Rd) CC, CA: 45.0061, -65.0

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 23, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 23, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 23, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 23, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 5.0 μg/m3 (21) 24.0
 
Sept. 23, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 5.0 μg/m3 (21) 23.0
 
Sept. 23, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 4.0 μg/m3 (17) 22.0
 
Sept. 23, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
Sept. 23, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 2.0 μg/m3 (8) 22.0
 
Sept. 23, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 2.0 μg/m3 (8) 22.0
 
Sept. 23, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 2.0 μg/m3 (8) 22.0
 
Sept. 23, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 1.0 μg/m3 (4) 24.0
 
Sept. 23, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 1.0 μg/m3 (4) 25.0
 
Sept. 23, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 1.0 μg/m3 (4) 25.0
 
Sept. 23, 2020, midnight N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 1.0 μg/m3 (4) 24.0
 
Sept. 22, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 1.0 μg/m3 (4) 25.0
 
Sept. 22, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 1.0 μg/m3 (4) 26.0
 
Sept. 22, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 2.0 μg/m3 (8) 27.0
 
Sept. 22, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 2.0 μg/m3 (8) 27.0
 
Sept. 22, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 2.0 μg/m3 (8) 23.0
 
Sept. 22, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
Sept. 22, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
Sept. 22, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
Sept. 22, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 3.0 μg/m3 (12) 21.0
 
Sept. 22, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
Sept. 22, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 3.0 μg/m3 (12) 17.0
 
Sept. 22, 2020, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
Sept. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
Sept. 22, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Sept. 22, 2020, 9 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
 
Sept. 22, 2020, 8 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
 
Sept. 22, 2020, 7 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
 
Sept. 22, 2020, 6 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
 
Sept. 22, 2020, 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
 
Sept. 22, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Sept. 22, 2020, 3 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
 
Sept. 22, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 2.0 μg/m3 (8) 19.0
 
Sept. 22, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 2.0 μg/m3 (8) 19.0
 
Sept. 22, 2020, midnight 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
 
Sept. 21, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 1.0 μg/m3 (4) 18.0
 
Sept. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 1.0 μg/m3 (4) 17.0
 
Sept. 21, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 1.0 μg/m3 (4) 19.0
 
Sept. 21, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 1.0 μg/m3 (4) 22.0
 
Sept. 21, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 1.0 μg/m3 (4) 22.0
 
Sept. 21, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 1.0 μg/m3 (4) 22.0
 
Sept. 21, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 1.0 μg/m3 (4) 21.0
 
Sept. 21, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 1.0 μg/m3 (4) 20.0
 
Sept. 21, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 1.0 μg/m3 (4) 20.0
 
Sept. 21, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Sept. 21, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 2.0 μg/m3 (8) 17.0
 
Sept. 21, 2020, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 2.0 μg/m3 (8) 16.0
 
Sept. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 2.0 μg/m3 (8) 17.0
 
Sept. 21, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Sept. 21, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 2.0 μg/m3 (8) 17.0
 
Sept. 21, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 2.0 μg/m3 (8) 17.0
 
Sept. 21, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Sept. 21, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Sept. 21, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Sept. 21, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 2.0 μg/m3 (8) 19.0
 
Sept. 21, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 2.0 μg/m3 (8) 19.0
 
Sept. 21, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 2.0 μg/m3 (8) 19.0
 
Sept. 21, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Sept. 21, 2020, midnight 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
 
Sept. 20, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 1.0 μg/m3 (4) 19.0
 
Sept. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 1.0 μg/m3 (4) 19.0
 
Sept. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 1.0 μg/m3 (4) 19.0
 
Sept. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 1.0 μg/m3 (4) 19.0
 
Sept. 20, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 1.0 μg/m3 (4) 18.0
 
Sept. 20, 2020, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 1.0 μg/m3 (4) 16.0
 
Sept. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 1.0 μg/m3 (4) 15.0
 
Sept. 20, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 2.0 μg/m3 (8) 13.0
 
Sept. 20, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 2.0 μg/m3 (8) 15.0
 
Sept. 20, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 2.0 μg/m3 (8) 20.0
 
Sept. 20, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 2.0 μg/m3 (8) 21.0
 
Sept. 20, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 2.0 μg/m3 (8) 20.0
 
Sept. 20, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 2.0 μg/m3 (8) 20.0
 
Sept. 20, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 2.0 μg/m3 (8) 21.0
 
Sept. 20, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 2.0 μg/m3 (8) 21.0
 
Sept. 20, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 2.0 μg/m3 (8) 21.0
 
Sept. 20, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 2.0 μg/m3 (8) 21.0
 
Sept. 20, 2020, midnight N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 2.0 μg/m3 (8) 20.0
 
Sept. 19, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 2.0 μg/m3 (8) 20.0
 
Sept. 19, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 1.0 μg/m3 (4) 19.0
 
Sept. 19, 2020, 9 p.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
 
Sept. 19, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 1.0 μg/m3 (4) 20.0
 
Sept. 19, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 1.0 μg/m3 (4) 21.0
 
Sept. 19, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 1.0 μg/m3 (4) 21.0
 
Sept. 19, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 1.0 μg/m3 (4) 21.0
 
Sept. 19, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 2.0 μg/m3 (8) 21.0
 
Sept. 19, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 2.0 μg/m3 (8) 20.0
 
Sept. 19, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 2.0 μg/m3 (8) 20.0
 
Sept. 19, 2020, 1 p.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
 
Sept. 19, 2020, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Sept. 19, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 2.0 μg/m3 (8) 17.0
 
Sept. 19, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 2.0 μg/m3 (8) 17.0
 
Sept. 19, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
Sept. 19, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 3.0 μg/m3 (12) 19.0
 
Sept. 19, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 3.0 μg/m3 (12) 19.0
 
Sept. 19, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 3.0 μg/m3 (12) 21.0
 
Sept. 19, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 3.0 μg/m3 (12) 21.0
 
Sept. 19, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 3.0 μg/m3 (12) 21.0
 
Sept. 19, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 3.0 μg/m3 (12) 24.0
 
Sept. 19, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 4.0 μg/m3 (17) 21.0
 
Sept. 19, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 4.0 μg/m3 (17) 21.0
 
Sept. 19, 2020, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 3.0 μg/m3 (12) 19.0
 
Sept. 18, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 3.0 μg/m3 (12) 19.0
 
Sept. 18, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
Sept. 18, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
Sept. 18, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
Sept. 18, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
Sept. 18, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2020, noon N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 18, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2020, 6 a.m. N/A N/A N/A N/A 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 N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 4.0 μg/m3 (17) 22.0
 
Sept. 18, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2020, midnight N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 17, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 6.0 μg/m3 (25) 26.0
 
Sept. 17, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
Sept. 17, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
Sept. 17, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
Sept. 17, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
Sept. 17, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
Sept. 17, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 4.0 μg/m3 (17) 27.0
 
Sept. 17, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
Sept. 17, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
Sept. 17, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
Sept. 17, 2020, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 5.0 μg/m3 (21) 24.0
 
Sept. 17, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 4.0 μg/m3 (17) 23.0
 
Sept. 17, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 4.0 μg/m3 (17) 22.0
 
Sept. 17, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 4.0 μg/m3 (17) 22.0
 
Sept. 17, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
Sept. 17, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
Sept. 17, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
Sept. 17, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 3.0 μg/m3 (12) 21.0
 
Sept. 17, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
Sept. 17, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
Sept. 17, 2020, 2 a.m. N/A N/A N/A N/A 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 N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 2.0 μg/m3 (8) 23.0
 
Sept. 17, 2020, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 2.0 μg/m3 (8) 23.0
 
Sept. 16, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 2.0 μg/m3 (8) 24.0
 
Sept. 16, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 2.0 μg/m3 (8) 24.0
 
Sept. 16, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 2.0 μg/m3 (8) 24.0
 
Sept. 16, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 2.0 μg/m3 (8) 23.0
 
Sept. 16, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 2.0 μg/m3 (8) 23.0
 
Sept. 16, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 2.0 μg/m3 (8) 22.0
 
Sept. 16, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 2.0 μg/m3 (8) 20.0
 
Sept. 16, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 2.0 μg/m3 (8) 19.0
 
Sept. 16, 2020, 3 p.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
 
Sept. 16, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 2.0 μg/m3 (8) 16.0
 
Sept. 16, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 2.0 μg/m3 (8) 13.0
 
Sept. 16, 2020, noon N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 2.0 μg/m3 (8) 14.0
 
Sept. 16, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 2.0 μg/m3 (8) 15.0
 
Sept. 16, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 16, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 3.0 μg/m3 (12) 16.0
 
Sept. 16, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 3.0 μg/m3 (12) 16.0