AQSQID: 421010048

Site Name: New

Location: Philadelphia (Richmond), PA

Reporting: True, Located: True

Current AQI: 32.0

Philadelphia (Richmond) PA, US: 39.991389, -75.080833

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 1, 2020, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 42.0 ppb (32) 0.17 ppb (2) 10.0 μg/m3 (9) 3.0 μg/m3 (12) 32.0
 
April 1, 2020, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 45.0 ppb (35) 0.18 ppb (2) 10.0 μg/m3 (9) 3.0 μg/m3 (12) 35.0
 
April 1, 2020, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (35) 0.17 ppb (2) 10.0 μg/m3 (9) 3.9 μg/m3 (16) 35.0
 
April 1, 2020, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 42.0 ppb (32) 0.17 ppb (2) 10.0 μg/m3 (9) 2.9 μg/m3 (12) 32.0
 
April 1, 2020, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 40.0 ppb (31) 0.17 ppb (2) 10.0 μg/m3 (9) 2.0 μg/m3 (8) 31.0
 
April 1, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.18 ppb (2) 12.0 μg/m3 (11) 4.0 μg/m3 (17) 28.0
 
April 1, 2020, 2 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 36.0 ppb (28) 0.19 ppb (2) 12.0 μg/m3 (11) 6.0 μg/m3 (25) 28.0
 
April 1, 2020, 1 p.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 34.0 ppb (26) 0.18 ppb (2) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 26.0
 
April 1, 2020, noon N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 30.0 ppb (23) 0.21 ppb (2) 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
April 1, 2020, 11 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 26.0 ppb (20) 0.23 ppb (3) 17.0 μg/m3 (15) 7.9 μg/m3 (33) 33.0
 
April 1, 2020, 10 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 31.0 ppb (24) 0.2 ppb (2) 16.0 μg/m3 (15) 6.9 μg/m3 (29) 29.0
 
April 1, 2020, 9 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 35.0 ppb (27) 0.17 ppb (2) 15.0 μg/m3 (14) 4.9 μg/m3 (20) 27.0
 
April 1, 2020, 8 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 36.0 ppb (28) 0.17 ppb (2) 15.0 μg/m3 (14) 2.0 μg/m3 (8) 28.0
 
April 1, 2020, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) 0.15 ppb (2) 13.0 μg/m3 (12) 3.0 μg/m3 (12) 30.0
 
April 1, 2020, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (31) N/A 12.0 μg/m3 (11) 3.9 μg/m3 (16) 31.0
 
April 1, 2020, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (29) N/A 11.0 μg/m3 (10) 1.9 μg/m3 (8) 29.0
 
April 1, 2020, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 37.0 ppb (28) 0.16 ppb (2) 10.0 μg/m3 (9) 1.0 μg/m3 (4) 28.0
 
April 1, 2020, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (29) 0.16 ppb (2) 9.0 μg/m3 (8) 1.0 μg/m3 (4) 29.0
 
April 1, 2020, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (29) 0.15 ppb (2) 9.0 μg/m3 (8) 3.1 μg/m3 (13) 29.0
 
April 1, 2020, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (30) 0.16 ppb (2) 8.0 μg/m3 (7) 6.0 μg/m3 (25) 30.0
 
April 1, 2020, midnight N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A 0.16 ppb (2) 9.0 μg/m3 (8) 5.9 μg/m3 (25) 25.0
 
March 31, 2020, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) 0.16 ppb (2) 10.0 μg/m3 (9) 3.0 μg/m3 (12) 29.0
 
March 31, 2020, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (28) N/A 15.0 μg/m3 (14) 4.0 μg/m3 (17) 28.0
 
March 31, 2020, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (28) 0.2 ppb (2) 14.0 μg/m3 (13) 5.9 μg/m3 (25) 28.0
 
March 31, 2020, 8 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (28) 0.2 ppb (2) 12.0 μg/m3 (11) 3.9 μg/m3 (16) 28.0
 
March 31, 2020, 7 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (27) 0.2 ppb (2) 11.0 μg/m3 (10) 0.9 μg/m3 (4) 27.0
 
March 31, 2020, 6 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) 0.19 ppb (2) 9.0 μg/m3 (8) -1.9 μg/m3 (0) 28.0
 
March 31, 2020, 5 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 34.0 ppb (26) 0.2 ppb (2) 8.0 μg/m3 (7) 1.0 μg/m3 (4) 26.0
 
March 31, 2020, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (26) 0.18 ppb (2) 7.0 μg/m3 (6) 2.9 μg/m3 (12) 26.0
 
March 31, 2020, 3 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (25) 0.18 ppb (2) 9.0 μg/m3 (8) 0.9 μg/m3 (4) 25.0
 
March 31, 2020, 2 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 31.0 ppb (24) 0.2 ppb (2) 11.0 μg/m3 (10) 0.0 μg/m3 (0) 24.0
 
March 31, 2020, 1 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 33.0 ppb (25) 0.18 ppb (2) 9.0 μg/m3 (8) 0.1 μg/m3 (0) 25.0
 
March 31, 2020, noon N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A 0.19 ppb (2) 13.0 μg/m3 (12) 3.1 μg/m3 (13) 13.0
 
March 31, 2020, 11 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 29.0 ppb (22) 0.2 ppb (2) 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
March 31, 2020, 10 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 24.0 ppb (18) 0.21 ppb (2) 13.0 μg/m3 (12) 7.8 μg/m3 (32) 32.0
 
March 31, 2020, 9 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 21.0 ppb (16) 0.2 ppb (2) 10.0 μg/m3 (9) 3.9 μg/m3 (16) 16.0
 
March 31, 2020, 8 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 20.0 ppb (15) 0.21 ppb (2) 12.0 μg/m3 (11) 2.0 μg/m3 (8) 15.0
 
March 31, 2020, 7 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 20.0 ppb (15) 0.22 ppb (2) 12.0 μg/m3 (11) 3.0 μg/m3 (12) 15.0
 
March 31, 2020, 6 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (18) 0.22 ppb (2) 11.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
March 31, 2020, 5 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 18.0 ppb (14) 0.23 ppb (3) 14.0 μg/m3 (13) 6.1 μg/m3 (25) 25.0
 
March 31, 2020, 4 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (18) 0.21 ppb (2) 14.0 μg/m3 (13) 9.8 μg/m3 (41) 41.0
 
March 31, 2020, 3 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 17.0 ppb (13) 0.26 ppb (3) 16.0 μg/m3 (15) 3.9 μg/m3 (16) 16.0
 
March 31, 2020, 2 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) 0.21 ppb (2) 12.0 μg/m3 (11) 3.1 μg/m3 (13) 18.0
 
March 31, 2020, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) 0.2 ppb (2) 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
March 31, 2020, midnight N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) 0.21 ppb (2) 11.0 μg/m3 (10) 7.0 μg/m3 (29) 29.0
 
March 30, 2020, 11 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 15.0 ppb (12) 0.27 ppb (3) 16.0 μg/m3 (15) 8.9 μg/m3 (37) 37.0
 
March 30, 2020, 10 p.m. N/A N/A N/A 17.0 ppb (16) N/A 0.0 ppb (0) 17.0 ppb (13) N/A 22.0 μg/m3 (20) 8.0 μg/m3 (33) 33.0
 
March 30, 2020, 9 p.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 15.0 ppb (12) 0.32 ppb (4) 20.0 μg/m3 (18) 8.1 μg/m3 (34) 34.0
 
March 30, 2020, 8 p.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 17.0 ppb (13) 0.34 ppb (4) 21.0 μg/m3 (19) 10.7 μg/m3 (45) 45.0
 
March 30, 2020, 7 p.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 21.0 ppb (16) 0.3 ppb (3) 21.0 μg/m3 (19) 4.1 μg/m3 (17) 19.0
 
March 30, 2020, 6 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 26.0 ppb (20) 0.25 ppb (3) 18.0 μg/m3 (16) 6.9 μg/m3 (29) 29.0
 
March 30, 2020, 5 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) 0.23 ppb (3) 17.0 μg/m3 (15) 5.9 μg/m3 (25) 25.0
 
March 30, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.23 ppb (3) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
March 30, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.24 ppb (3) 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
March 30, 2020, 2 p.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 20.0 ppb (15) 0.24 ppb (3) 17.0 μg/m3 (15) 7.9 μg/m3 (33) 33.0
 
March 30, 2020, 1 p.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 19.0 ppb (15) 0.24 ppb (3) 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
March 30, 2020, noon N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 24.0 ppb (18) 0.22 ppb (2) 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
March 30, 2020, 11 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 21.0 ppb (16) 0.25 ppb (3) 18.0 μg/m3 (16) 8.8 μg/m3 (37) 37.0
 
March 30, 2020, 10 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 22.0 ppb (17) 0.23 ppb (3) 14.0 μg/m3 (13) 3.9 μg/m3 (16) 17.0
 
March 30, 2020, 9 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 25.0 ppb (19) 0.21 ppb (2) 12.0 μg/m3 (11) 3.0 μg/m3 (12) 19.0
 
March 30, 2020, 8 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 24.0 ppb (18) 0.2 ppb (2) 12.0 μg/m3 (11) 4.9 μg/m3 (20) 20.0
 
March 30, 2020, 7 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) 12.0 μg/m3 (11) 3.0 μg/m3 (12) 19.0
 
March 30, 2020, 6 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (23) 0.2 ppb (2) 11.0 μg/m3 (10) 4.0 μg/m3 (17) 23.0
 
March 30, 2020, 5 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (21) 0.22 ppb (2) 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
March 30, 2020, 4 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 24.0 ppb (18) 0.24 ppb (3) 15.0 μg/m3 (14) 5.9 μg/m3 (25) 25.0
 
March 30, 2020, 3 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 24.0 ppb (18) 0.25 ppb (3) 14.0 μg/m3 (13) 4.9 μg/m3 (20) 20.0
 
March 30, 2020, 2 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 23.0 ppb (18) 0.26 ppb (3) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 18.0
 
March 30, 2020, 1 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 29.0 ppb (22) 0.2 ppb (2) 12.0 μg/m3 (11) 5.0 μg/m3 (21) 22.0
 
March 30, 2020, midnight N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A 0.21 ppb (2) 11.0 μg/m3 (10) 7.1 μg/m3 (30) 30.0
 
March 29, 2020, 11 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 29.0 ppb (22) 0.23 ppb (3) 19.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
March 29, 2020, 10 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 27.0 ppb (21) N/A 19.0 μg/m3 (17) 9.7 μg/m3 (40) 40.0
 
March 29, 2020, 9 p.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 25.0 ppb (19) 0.26 ppb (3) 17.0 μg/m3 (15) 3.0 μg/m3 (12) 19.0
 
March 29, 2020, 8 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 28.0 ppb (22) 0.26 ppb (3) 13.0 μg/m3 (12) 4.0 μg/m3 (17) 22.0
 
March 29, 2020, 7 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 29.0 ppb (22) 0.24 ppb (3) 12.0 μg/m3 (11) 4.9 μg/m3 (20) 22.0
 
March 29, 2020, 6 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 30.0 ppb (23) 0.23 ppb (3) 10.0 μg/m3 (9) 1.9 μg/m3 (8) 23.0
 
March 29, 2020, 5 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 30.0 ppb (23) 0.25 ppb (3) 10.0 μg/m3 (9) 1.0 μg/m3 (4) 23.0
 
March 29, 2020, 4 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 32.0 ppb (25) 0.23 ppb (3) 9.0 μg/m3 (8) 1.0 μg/m3 (4) 25.0
 
March 29, 2020, 3 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 34.0 ppb (26) 0.21 ppb (2) 7.0 μg/m3 (6) 2.0 μg/m3 (8) 26.0
 
March 29, 2020, 2 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 32.0 ppb (25) 0.21 ppb (2) 8.0 μg/m3 (7) 2.0 μg/m3 (8) 25.0
 
March 29, 2020, 1 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (25) 0.2 ppb (2) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 25.0
 
March 29, 2020, noon N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 33.0 ppb (25) 0.2 ppb (2) 8.0 μg/m3 (7) 5.9 μg/m3 (25) 25.0
 
March 29, 2020, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) 0.19 ppb (2) 7.0 μg/m3 (6) 3.9 μg/m3 (16) 28.0
 
March 29, 2020, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (33) 0.16 ppb (2) 7.0 μg/m3 (6) 2.0 μg/m3 (8) 33.0
 
March 29, 2020, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (32) 0.16 ppb (2) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 32.0
 
March 29, 2020, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (32) 0.17 ppb (2) 7.0 μg/m3 (6) 3.0 μg/m3 (12) 32.0
 
March 29, 2020, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (32) 0.18 ppb (2) 5.0 μg/m3 (5) 4.0 μg/m3 (17) 32.0
 
March 29, 2020, 6 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 25.0 ppb (19) 0.24 ppb (3) 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
March 29, 2020, 5 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 24.0 ppb (18) 0.25 ppb (3) 14.0 μg/m3 (13) 5.9 μg/m3 (25) 25.0
 
March 29, 2020, 4 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 27.0 ppb (21) 0.26 ppb (3) 13.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
March 29, 2020, 3 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 34.0 ppb (26) 0.21 ppb (2) 9.0 μg/m3 (8) 5.9 μg/m3 (25) 26.0
 
March 29, 2020, 2 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (27) 0.21 ppb (2) 10.0 μg/m3 (9) 5.0 μg/m3 (21) 27.0
 
March 29, 2020, 1 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (27) 0.22 ppb (2) 10.0 μg/m3 (9) 6.9 μg/m3 (29) 29.0
 
March 29, 2020, midnight N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 31.0 ppb (24) 0.25 ppb (3) 13.0 μg/m3 (12) 4.9 μg/m3 (20) 24.0
 
March 28, 2020, 11 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 35.0 ppb (27) 0.24 ppb (3) 13.0 μg/m3 (12) 1.9 μg/m3 (8) 27.0
 
March 28, 2020, 10 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 36.0 ppb (28) N/A 11.0 μg/m3 (10) 1.0 μg/m3 (4) 28.0
 
March 28, 2020, 9 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 38.0 ppb (29) 0.21 ppb (2) 10.0 μg/m3 (9) 3.0 μg/m3 (12) 29.0
 
March 28, 2020, 8 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 42.0 ppb (32) 0.2 ppb (2) 9.0 μg/m3 (8) 3.0 μg/m3 (12) 32.0
 
March 28, 2020, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (35) 0.2 ppb (2) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 35.0
 
March 28, 2020, 6 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 44.0 ppb (34) 0.21 ppb (2) 10.0 μg/m3 (9) 4.0 μg/m3 (17) 34.0
 
March 28, 2020, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 44.0 ppb (34) 0.2 ppb (2) 9.0 μg/m3 (8) 6.0 μg/m3 (25) 34.0
 
March 28, 2020, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (32) 0.21 ppb (2) 11.0 μg/m3 (10) 6.0 μg/m3 (25) 32.0
 
March 28, 2020, 3 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (27) 0.23 ppb (3) 13.0 μg/m3 (12) 6.0 μg/m3 (25) 27.0
 
March 28, 2020, 2 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (30) 0.21 ppb (2) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 30.0
 
March 28, 2020, 1 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 29.0 ppb (22) 0.24 ppb (3) 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
March 28, 2020, noon N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 25.0 ppb (19) 0.23 ppb (3) 21.0 μg/m3 (19) 9.0 μg/m3 (38) 38.0
 
March 28, 2020, 11 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 22.0 ppb (17) 0.25 ppb (3) 18.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
March 28, 2020, 10 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (21) 0.24 ppb (3) 21.0 μg/m3 (19) 11.0 μg/m3 (46) 46.0
 
March 28, 2020, 9 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 24.0 ppb (18) 0.27 ppb (3) 18.0 μg/m3 (16) 11.1 μg/m3 (46) 46.0
 
March 28, 2020, 8 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 24.0 ppb (18) 0.28 ppb (3) 20.0 μg/m3 (18) 17.0 μg/m3 (61) 61.0
 
March 28, 2020, 7 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 25.0 ppb (19) 0.3 ppb (3) 22.0 μg/m3 (20) 19.0 μg/m3 (65) 65.0
 
March 28, 2020, 6 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 22.0 ppb (17) 0.34 ppb (4) 25.0 μg/m3 (23) 18.9 μg/m3 (65) 65.0
 
March 28, 2020, 5 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 16.0 ppb (12) 0.41 ppb (5) 30.0 μg/m3 (27) 17.5 μg/m3 (62) 62.0
 
March 28, 2020, 4 a.m. N/A N/A N/A 28.0 ppb (26) N/A 0.0 ppb (0) 9.0 ppb (7) 0.65 ppb (7) 33.0 μg/m3 (30) 33.3 μg/m3 (95) 95.0
 
March 28, 2020, 3 a.m. N/A N/A N/A 28.0 ppb (26) N/A 1.0 ppb (1) 11.0 ppb (8) 1.18 ppb (13) 52.0 μg/m3 (47) 14.7 μg/m3 (56) 56.0
 
March 28, 2020, 2 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 23.0 ppb (18) 0.42 ppb (5) 24.0 μg/m3 (22) 6.8 μg/m3 (28) 28.0
 
March 28, 2020, 1 a.m. N/A N/A N/A 42.0 ppb (39) N/A 1.0 ppb (1) 7.0 ppb (5) 0.73 ppb (8) 24.0 μg/m3 (22) 3.0 μg/m3 (12) 39.0
 
March 28, 2020, midnight N/A N/A N/A 36.0 ppb (33) N/A 0.0 ppb (0) N/A 0.59 ppb (7) 18.0 μg/m3 (16) 3.9 μg/m3 (16) 33.0
 
March 27, 2020, 11 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 34.0 ppb (26) 0.32 ppb (4) 15.0 μg/m3 (14) 2.0 μg/m3 (8) 26.0
 
March 27, 2020, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 47.0 ppb (36) N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 36.0
 
March 27, 2020, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 48.0 ppb (37) 0.2 ppb (2) 8.0 μg/m3 (7) 3.9 μg/m3 (16) 37.0
 
March 27, 2020, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 48.0 ppb (37) 0.22 ppb (2) 9.0 μg/m3 (8) 1.9 μg/m3 (8) 37.0
 
March 27, 2020, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 48.0 ppb (37) 0.2 ppb (2) 10.0 μg/m3 (9) 1.0 μg/m3 (4) 37.0
 
March 27, 2020, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 46.0 ppb (35) 0.21 ppb (2) 10.0 μg/m3 (9) 1.0 μg/m3 (4) 35.0
 
March 27, 2020, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 42.0 ppb (32) 0.23 ppb (3) 12.0 μg/m3 (11) 3.0 μg/m3 (12) 32.0
 
March 27, 2020, 4 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 38.0 ppb (29) 0.23 ppb (3) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 29.0
 
March 27, 2020, 3 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 32.0 ppb (25) 0.25 ppb (3) 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
March 27, 2020, 2 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 29.0 ppb (22) 0.24 ppb (3) 16.0 μg/m3 (15) 8.1 μg/m3 (34) 34.0
 
March 27, 2020, 1 p.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 21.0 ppb (16) 0.3 ppb (3) 19.0 μg/m3 (17) 11.8 μg/m3 (49) 49.0
 
March 27, 2020, noon N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 13.0 ppb (10) 0.33 ppb (4) 18.0 μg/m3 (16) 5.9 μg/m3 (25) 25.0
 
March 27, 2020, 11 a.m. N/A N/A N/A 24.0 ppb (22) N/A 0.0 ppb (0) 9.0 ppb (7) 0.31 ppb (3) 17.0 μg/m3 (15) 5.0 μg/m3 (21) 22.0
 
March 27, 2020, 10 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 15.0 ppb (12) 0.25 ppb (3) 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
March 27, 2020, 9 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 25.0 ppb (19) 0.18 ppb (2) 14.0 μg/m3 (13) 6.9 μg/m3 (29) 29.0
 
March 27, 2020, 8 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 27.0 ppb (21) 0.18 ppb (2) 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
March 27, 2020, 7 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 28.0 ppb (22) 0.18 ppb (2) 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
March 27, 2020, 6 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 29.0 ppb (22) 0.18 ppb (2) 15.0 μg/m3 (14) 8.0 μg/m3 (33) 33.0
 
March 27, 2020, 5 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 30.0 ppb (23) 0.18 ppb (2) 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
March 27, 2020, 4 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 29.0 ppb (22) 0.19 ppb (2) 19.0 μg/m3 (17) 8.0 μg/m3 (33) 33.0
 
March 27, 2020, 3 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 33.0 ppb (25) 0.19 ppb (2) 21.0 μg/m3 (19) 8.0 μg/m3 (33) 33.0
 
March 27, 2020, 2 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 38.0 ppb (29) 0.18 ppb (2) 16.0 μg/m3 (15) 7.8 μg/m3 (32) 32.0
 
March 27, 2020, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 41.0 ppb (32) 0.18 ppb (2) 16.0 μg/m3 (15) 3.0 μg/m3 (12) 32.0
 
March 27, 2020, midnight N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 42.0 ppb (32) 0.18 ppb (2) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 32.0
 
March 26, 2020, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 43.0 ppb (33) 0.17 ppb (2) 15.0 μg/m3 (14) 6.0 μg/m3 (25) 33.0
 
March 26, 2020, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 45.0 ppb (35) N/A 15.0 μg/m3 (14) 6.9 μg/m3 (29) 35.0
 
March 26, 2020, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (1) 45.0 ppb (35) 0.17 ppb (2) 18.0 μg/m3 (16) 6.0 μg/m3 (25) 35.0
 
March 26, 2020, 8 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 45.0 ppb (35) 0.18 ppb (2) 19.0 μg/m3 (17) 7.0 μg/m3 (29) 35.0
 
March 26, 2020, 7 p.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 40.0 ppb (31) 0.2 ppb (2) 21.0 μg/m3 (19) 8.0 μg/m3 (33) 33.0
 
March 26, 2020, 6 p.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 40.0 ppb (31) 0.19 ppb (2) 20.0 μg/m3 (18) 7.9 μg/m3 (33) 33.0
 
March 26, 2020, 5 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 35.0 ppb (27) 0.23 ppb (3) 23.0 μg/m3 (21) 6.0 μg/m3 (25) 27.0
 
March 26, 2020, 4 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 33.0 ppb (25) 0.24 ppb (3) 20.0 μg/m3 (18) 6.9 μg/m3 (29) 29.0
 
March 26, 2020, 3 p.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 32.0 ppb (25) 0.23 ppb (3) 19.0 μg/m3 (17) 5.0 μg/m3 (21) 25.0
 
March 26, 2020, 2 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 33.0 ppb (25) 0.21 ppb (2) 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
March 26, 2020, 1 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 29.0 ppb (22) 0.23 ppb (3) 15.0 μg/m3 (14) 10.0 μg/m3 (42) 42.0
 
March 26, 2020, noon N/A N/A N/A 27.0 ppb (25) N/A 1.0 ppb (1) 11.0 ppb (8) 0.44 ppb (5) 24.0 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
March 26, 2020, 11 a.m. N/A N/A N/A 34.0 ppb (31) N/A 1.0 ppb (1) 2.0 ppb (2) 0.6 ppb (7) 21.0 μg/m3 (19) 11.9 μg/m3 (50) 50.0
 
March 26, 2020, 10 a.m. N/A N/A N/A 32.0 ppb (30) N/A 1.0 ppb (1) 1.0 ppb (1) 0.45 ppb (5) 18.0 μg/m3 (16) 8.0 μg/m3 (33) 33.0
 
March 26, 2020, 9 a.m. N/A N/A N/A 25.0 ppb (23) N/A 0.0 ppb (0) 8.0 ppb (6) 0.3 ppb (3) 16.0 μg/m3 (15) 9.9 μg/m3 (41) 41.0
 
March 26, 2020, 8 a.m. N/A N/A N/A 23.0 ppb (21) N/A 0.0 ppb (0) 9.0 ppb (7) 0.29 ppb (3) 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
March 26, 2020, 7 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 18.0 ppb (14) 0.27 ppb (3) 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
March 26, 2020, 6 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 20.0 ppb (15) 0.26 ppb (3) 15.0 μg/m3 (14) 7.0 μg/m3 (29) 29.0
 
March 26, 2020, 5 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 21.0 ppb (16) 0.23 ppb (3) 14.0 μg/m3 (13) 8.0 μg/m3 (33) 33.0
 
March 26, 2020, 4 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 23.0 ppb (18) 0.24 ppb (3) 15.0 μg/m3 (14) 9.8 μg/m3 (41) 41.0
 
March 26, 2020, 3 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 19.0 ppb (15) 0.33 ppb (4) 15.0 μg/m3 (14) 4.0 μg/m3 (17) 18.0
 
March 26, 2020, 2 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 27.0 ppb (21) 0.21 ppb (2) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 21.0
 
March 26, 2020, 1 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 31.0 ppb (24) 0.18 ppb (2) 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
March 26, 2020, midnight N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A 0.17 ppb (2) 11.0 μg/m3 (10) 7.9 μg/m3 (33) 33.0
 
March 25, 2020, 11 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 31.0 ppb (24) 0.2 ppb (2) 12.0 μg/m3 (11) 6.8 μg/m3 (28) 28.0
 
March 25, 2020, 10 p.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 27.0 ppb (21) N/A 15.0 μg/m3 (14) 2.9 μg/m3 (12) 21.0
 
March 25, 2020, 9 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 36.0 ppb (28) 0.17 ppb (2) 11.0 μg/m3 (10) 1.0 μg/m3 (4) 28.0