ID: 739

AQSQID: 440071010

Site Name: E Providence

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

Updated: Jan. 18, 2022, 12:33 a.m.

Location: Rumford (Rumford), RI

Reporting: True, Located: True

Current AQI: 34.0

Rumford (Rumford) RI, US: 41.840302, -71.361702

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 17, 2022, 11 p.m. 8.7 ppb (9) 0.4 ppb (1) 9.3 ppb (9) 8.0 ppb (8) 8.8 ppb (9) 0.0 ppb (0) 23.0 ppb (22) 0.22 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 17, 2022, 10 p.m. 6.9 ppb (7) 0.4 ppb (1) 7.1 ppb (7) 6.0 ppb (6) 6.5 ppb (7) 0.0 ppb (0) 26.0 ppb (25) 0.21 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 17, 2022, 9 p.m. 6.0 ppb (6) 0.4 ppb (1) 6.1 ppb (6) 6.0 ppb (6) 5.6 ppb (6) 0.0 ppb (0) 28.0 ppb (26) 0.2 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 17, 2022, 8 p.m. 5.8 ppb (6) 0.5 ppb (1) 5.9 ppb (6) 5.0 ppb (5) 5.3 ppb (5) 0.0 ppb (0) 28.0 ppb (26) 0.2 ppb (3) N/A 5.0 μg/m3 (21) 26.0
 
Jan. 17, 2022, 7 p.m. 5.5 ppb (6) 0.8 ppb (1) 5.5 ppb (6) 5.0 ppb (5) 4.5 ppb (5) 0.0 ppb (0) 29.0 ppb (27) 0.19 ppb (3) N/A 4.0 μg/m3 (17) 27.0
 
Jan. 17, 2022, 6 p.m. 4.9 ppb (5) 1.1 ppb (2) 5.0 ppb (5) 4.0 ppb (4) 3.7 ppb (4) 0.0 ppb (0) 31.0 ppb (29) 0.17 ppb (3) N/A 2.0 μg/m3 (9) 29.0
 
Jan. 17, 2022, 5 p.m. 3.1 ppb (3) 0.7 ppb (1) 3.1 ppb (3) 2.0 ppb (2) 2.3 ppb (3) 0.0 ppb (0) 28.0 ppb (26) 0.17 ppb (3) N/A 2.0 μg/m3 (9) 26.0
 
Jan. 17, 2022, 4 p.m. 3.8 ppb (4) 0.9 ppb (1) 3.8 ppb (4) 3.0 ppb (3) 2.8 ppb (3) 0.0 ppb (0) 32.0 ppb (30) 0.16 ppb (3) N/A 2.0 μg/m3 (9) 30.0
 
Jan. 17, 2022, 3 p.m. 4.4 ppb (5) 0.5 ppb (1) 4.0 ppb (4) 4.0 ppb (4) 3.5 ppb (4) 0.0 ppb (0) 39.0 ppb (37) 0.16 ppb (3) N/A 1.0 μg/m3 (5) 37.0
 
Jan. 17, 2022, 2 p.m. 4.8 ppb (5) 0.3 ppb (1) 4.5 ppb (5) 4.0 ppb (4) 4.0 ppb (4) 0.0 ppb (0) 39.0 ppb (37) 0.15 ppb (2) N/A 1.0 μg/m3 (5) 37.0
 
Jan. 17, 2022, 1 p.m. 2.3 ppb (3) 0.2 ppb (1) 1.8 ppb (2) 2.0 ppb (2) 1.5 ppb (2) 0.0 ppb (0) 42.0 ppb (39) 0.14 ppb (2) N/A 0.0 μg/m3 (0) 39.0
 
Jan. 17, 2022, noon 2.3 ppb (3) 0.5 ppb (1) 1.7 ppb (2) 2.0 ppb (2) 1.3 ppb (2) 0.0 ppb (0) 42.0 ppb (39) 0.14 ppb (2) N/A 1.0 μg/m3 (5) 39.0
 
Jan. 17, 2022, 11 a.m. 2.2 ppb (3) 0.3 ppb (1) 1.7 ppb (2) 2.0 ppb (2) 1.2 ppb (2) 0.0 ppb (0) 41.0 ppb (38) 0.14 ppb (2) N/A 3.0 μg/m3 (13) 38.0
 
Jan. 17, 2022, 10 a.m. 2.7 ppb (3) 0.2 ppb (1) 2.2 ppb (3) 3.0 ppb (3) 1.8 ppb (2) 0.0 ppb (0) 39.0 ppb (37) 0.14 ppb (2) N/A 0.0 μg/m3 (0) 37.0
 
Jan. 17, 2022, 9 a.m. 2.3 ppb (3) 0.2 ppb (1) 1.9 ppb (2) 2.0 ppb (2) 1.5 ppb (2) 0.0 ppb (0) 38.0 ppb (36) 0.14 ppb (2) N/A -2.0 μg/m3 (0) 36.0
 
Jan. 17, 2022, 8 a.m. 2.2 ppb (3) 0.1 ppb (1) 1.7 ppb (2) 2.0 ppb (2) 1.5 ppb (2) 0.0 ppb (0) 37.0 ppb (35) 0.14 ppb (2) N/A 1.0 μg/m3 (5) 35.0
 
Jan. 17, 2022, 7 a.m. 2.6 ppb (3) 0.1 ppb (1) 2.2 ppb (3) 2.0 ppb (2) 1.9 ppb (2) 0.0 ppb (0) 36.0 ppb (34) 0.14 ppb (2) N/A 4.0 μg/m3 (17) 34.0
 
Jan. 17, 2022, 6 a.m. N/A N/A 3.1 ppb (3) N/A 2.9 ppb (3) N/A 35.0 ppb (33) N/A N/A 6.0 μg/m3 (25) 33.0
 
Jan. 17, 2022, 5 a.m. N/A N/A 6.2 ppb (6) N/A 5.7 ppb (6) N/A 31.0 ppb (29) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 17, 2022, 4 a.m. 6.3 ppb (6) 0.4 ppb (1) 5.8 ppb (6) 6.0 ppb (6) 5.5 ppb (6) 0.0 ppb (0) 31.0 ppb (29) 0.18 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 17, 2022, 3 a.m. 4.8 ppb (5) 0.2 ppb (1) 4.8 ppb (5) 5.0 ppb (5) 4.5 ppb (5) 0.0 ppb (0) 32.0 ppb (30) 0.2 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2022, 2 a.m. 5.0 ppb (5) 0.2 ppb (1) 4.8 ppb (5) 5.0 ppb (5) 4.5 ppb (5) 0.0 ppb (0) 32.0 ppb (30) 0.2 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2022, 1 a.m. 5.8 ppb (6) 0.3 ppb (1) 5.7 ppb (6) 6.0 ppb (6) 5.2 ppb (5) 0.0 ppb (0) 32.0 ppb (30) 0.22 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 17, 2022, midnight 6.6 ppb (7) 0.4 ppb (1) 7.0 ppb (7) 6.0 ppb (6) 6.3 ppb (6) 0.0 ppb (0) 31.0 ppb (29) 0.22 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 16, 2022, 11 p.m. 13.8 ppb (14) 0.4 ppb (1) 14.4 ppb (14) 13.0 ppb (13) 13.8 ppb (14) 0.0 ppb (0) 24.0 ppb (23) 0.3 ppb (4) N/A 25.0 μg/m3 (79) 79.0
 
Jan. 16, 2022, 10 p.m. 14.2 ppb (14) 0.2 ppb (1) 15.0 ppb (15) 14.0 ppb (14) 14.5 ppb (14) 1.0 ppb (2) 24.0 ppb (23) 0.28 ppb (4) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 16, 2022, 9 p.m. 11.4 ppb (11) 0.6 ppb (1) 11.9 ppb (12) 11.0 ppb (11) 10.9 ppb (11) 0.0 ppb (0) 28.0 ppb (26) 0.22 ppb (3) N/A 4.0 μg/m3 (17) 26.0
 
Jan. 16, 2022, 8 p.m. 11.9 ppb (12) 1.6 ppb (2) 12.6 ppb (12) 10.0 ppb (10) 10.5 ppb (10) 0.0 ppb (0) 29.0 ppb (27) 0.22 ppb (3) N/A 6.0 μg/m3 (25) 27.0
 
Jan. 16, 2022, 7 p.m. 7.1 ppb (7) 1.4 ppb (2) 7.6 ppb (8) 6.0 ppb (6) 5.9 ppb (6) 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) N/A 6.0 μg/m3 (25) 32.0
 
Jan. 16, 2022, 6 p.m. 6.4 ppb (7) 1.7 ppb (2) 6.7 ppb (7) 5.0 ppb (5) 4.8 ppb (5) 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) N/A 4.0 μg/m3 (17) 32.0
 
Jan. 16, 2022, 5 p.m. 12.5 ppb (12) 4.3 ppb (5) 13.8 ppb (14) 8.0 ppb (8) 9.0 ppb (9) 0.0 ppb (0) 29.0 ppb (27) 0.23 ppb (3) N/A 6.0 μg/m3 (25) 27.0
 
Jan. 16, 2022, 4 p.m. 10.6 ppb (10) 3.6 ppb (4) 11.4 ppb (11) 7.0 ppb (7) 7.3 ppb (7) 0.0 ppb (0) 29.0 ppb (27) 0.22 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2022, 3 p.m. 13.4 ppb (13) 4.9 ppb (5) 14.2 ppb (14) 9.0 ppb (9) 8.9 ppb (9) 0.0 ppb (0) 27.0 ppb (25) 0.24 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2022, 2 p.m. 17.1 ppb (17) 5.8 ppb (6) 18.1 ppb (18) 11.0 ppb (11) 11.8 ppb (12) 0.0 ppb (0) 24.0 ppb (23) 0.27 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2022, 1 p.m. 25.1 ppb (24) 7.4 ppb (7) 26.5 ppb (25) 18.0 ppb (17) 18.5 ppb (18) 1.0 ppb (2) 18.0 ppb (17) 0.32 ppb (4) N/A 5.0 μg/m3 (21) 25.0
 
Jan. 16, 2022, noon 45.1 ppb (43) 13.3 ppb (13) 45.1 ppb (43) 32.0 ppb (31) 32.3 ppb (31) 0.0 ppb (0) 4.0 ppb (4) 0.35 ppb (4) N/A 5.0 μg/m3 (21) 43.0
 
Jan. 16, 2022, 11 a.m. 23.8 ppb (23) 1.0 ppb (1) 26.3 ppb (25) 23.0 ppb (22) 24.8 ppb (24) 0.0 ppb (0) 12.0 ppb (12) 0.26 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 16, 2022, 10 a.m. 19.4 ppb (19) 1.0 ppb (1) 19.8 ppb (19) 18.0 ppb (17) 18.5 ppb (18) 1.0 ppb (2) 17.0 ppb (16) 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2022, 9 a.m. 18.8 ppb (18) 0.8 ppb (1) 21.7 ppb (21) 18.0 ppb (17) 19.7 ppb (19) 1.0 ppb (2) 17.0 ppb (16) 0.23 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 16, 2022, 8 a.m. 14.9 ppb (15) 0.5 ppb (1) 15.4 ppb (15) 14.0 ppb (14) 14.8 ppb (14) 0.0 ppb (0) 21.0 ppb (20) 0.24 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2022, 7 a.m. 10.7 ppb (11) 0.4 ppb (1) 11.0 ppb (11) 10.0 ppb (10) 10.6 ppb (10) 0.0 ppb (0) 25.0 ppb (24) 0.23 ppb (3) N/A 5.0 μg/m3 (21) 24.0
 
Jan. 16, 2022, 6 a.m. 7.6 ppb (8) 0.3 ppb (1) 7.8 ppb (8) 7.0 ppb (7) 7.4 ppb (7) 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) N/A 5.0 μg/m3 (21) 27.0
 
Jan. 16, 2022, 5 a.m. 7.8 ppb (8) 0.4 ppb (1) 7.9 ppb (8) 8.0 ppb (8) 7.5 ppb (8) 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 16, 2022, 4 a.m. 7.4 ppb (7) 0.3 ppb (1) 7.4 ppb (7) 7.0 ppb (7) 7.1 ppb (7) 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 16, 2022, 3 a.m. 6.8 ppb (7) 0.3 ppb (1) 6.9 ppb (7) 7.0 ppb (7) 6.6 ppb (7) 1.0 ppb (2) 29.0 ppb (27) 0.2 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2022, 2 a.m. 7.4 ppb (7) 0.3 ppb (1) 7.6 ppb (8) 7.0 ppb (7) 7.3 ppb (7) 1.0 ppb (2) 29.0 ppb (27) 0.2 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 16, 2022, 1 a.m. 6.0 ppb (6) 0.3 ppb (1) 5.9 ppb (6) 6.0 ppb (6) 5.6 ppb (6) 0.0 ppb (0) 31.0 ppb (29) 0.19 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 16, 2022, midnight 5.8 ppb (6) 0.3 ppb (1) 5.8 ppb (6) 6.0 ppb (6) 5.5 ppb (6) 0.0 ppb (0) 32.0 ppb (30) 0.19 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 15, 2022, 11 p.m. 5.3 ppb (5) 0.3 ppb (1) 5.4 ppb (6) 5.0 ppb (5) 5.1 ppb (5) 0.0 ppb (0) 33.0 ppb (31) 0.18 ppb (3) N/A 4.0 μg/m3 (17) 31.0
 
Jan. 15, 2022, 10 p.m. 4.8 ppb (5) 0.3 ppb (1) 4.8 ppb (5) 5.0 ppb (5) 4.5 ppb (5) 0.0 ppb (0) 33.0 ppb (31) 0.18 ppb (3) N/A 2.0 μg/m3 (9) 31.0
 
Jan. 15, 2022, 9 p.m. 4.2 ppb (4) 0.3 ppb (1) 4.1 ppb (4) 4.0 ppb (4) 3.8 ppb (4) 0.0 ppb (0) 34.0 ppb (32) 0.17 ppb (3) N/A 2.0 μg/m3 (9) 32.0
 
Jan. 15, 2022, 8 p.m. 3.7 ppb (4) 0.6 ppb (1) 3.7 ppb (4) 3.0 ppb (3) 3.0 ppb (3) 0.0 ppb (0) 35.0 ppb (33) 0.17 ppb (3) N/A 4.0 μg/m3 (17) 33.0
 
Jan. 15, 2022, 7 p.m. 3.4 ppb (4) 0.8 ppb (1) 3.5 ppb (4) 3.0 ppb (3) 2.6 ppb (3) 0.0 ppb (0) 36.0 ppb (34) 0.17 ppb (3) N/A 4.0 μg/m3 (17) 34.0
 
Jan. 15, 2022, 6 p.m. 2.8 ppb (3) 0.7 ppb (1) 2.9 ppb (3) 2.0 ppb (2) 2.0 ppb (2) 0.0 ppb (0) 38.0 ppb (36) 0.16 ppb (3) N/A 4.0 μg/m3 (17) 36.0
 
Jan. 15, 2022, 5 p.m. 2.6 ppb (3) 0.8 ppb (1) 2.7 ppb (3) 2.0 ppb (2) 1.8 ppb (2) 0.0 ppb (0) 39.0 ppb (37) 0.16 ppb (3) N/A 5.0 μg/m3 (21) 37.0
 
Jan. 15, 2022, 4 p.m. 3.1 ppb (3) 1.0 ppb (1) 3.2 ppb (4) 2.0 ppb (2) 2.1 ppb (2) 0.0 ppb (0) 37.0 ppb (35) 0.16 ppb (3) N/A 3.0 μg/m3 (13) 35.0
 
Jan. 15, 2022, 3 p.m. 3.6 ppb (4) 1.1 ppb (2) 3.7 ppb (4) 3.0 ppb (3) 2.4 ppb (3) 0.0 ppb (0) 35.0 ppb (33) 0.17 ppb (3) N/A 2.0 μg/m3 (9) 33.0
 
Jan. 15, 2022, 2 p.m. 3.5 ppb (4) 1.0 ppb (1) 3.6 ppb (4) 3.0 ppb (3) 2.5 ppb (3) 0.0 ppb (0) 34.0 ppb (32) 0.17 ppb (3) N/A 5.0 μg/m3 (21) 32.0
 
Jan. 15, 2022, 1 p.m. 4.1 ppb (4) 0.9 ppb (1) 4.2 ppb (4) 3.0 ppb (3) 3.3 ppb (4) 0.0 ppb (0) 33.0 ppb (31) 0.17 ppb (3) N/A 4.0 μg/m3 (17) 31.0
 
Jan. 15, 2022, noon 4.4 ppb (5) 0.5 ppb (1) 4.4 ppb (5) 4.0 ppb (4) 3.8 ppb (4) 0.0 ppb (0) 33.0 ppb (31) 0.17 ppb (3) N/A 2.0 μg/m3 (9) 31.0
 
Jan. 15, 2022, 11 a.m. 3.7 ppb (4) 0.3 ppb (1) 3.7 ppb (4) 3.0 ppb (3) 3.4 ppb (4) 0.0 ppb (0) 33.0 ppb (31) 0.16 ppb (3) N/A -2.0 μg/m3 (0) 31.0
 
Jan. 15, 2022, 10 a.m. 3.2 ppb (4) 0.3 ppb (1) 3.2 ppb (4) 3.0 ppb (3) 2.9 ppb (3) 0.0 ppb (0) 34.0 ppb (32) 0.15 ppb (2) N/A -3.0 μg/m3 (0) 32.0
 
Jan. 15, 2022, 9 a.m. 2.8 ppb (3) 0.2 ppb (1) 2.8 ppb (3) 3.0 ppb (3) 2.5 ppb (3) 0.0 ppb (0) 35.0 ppb (33) 0.15 ppb (2) N/A -1.0 μg/m3 (0) 33.0
 
Jan. 15, 2022, 8 a.m. 2.7 ppb (3) 0.2 ppb (1) 2.7 ppb (3) 3.0 ppb (3) 2.4 ppb (3) 0.0 ppb (0) 35.0 ppb (33) 0.15 ppb (2) N/A 1.0 μg/m3 (5) 33.0
 
Jan. 15, 2022, 7 a.m. 3.0 ppb (3) 0.2 ppb (1) 3.0 ppb (3) 3.0 ppb (3) 2.7 ppb (3) 0.0 ppb (0) 36.0 ppb (34) 0.15 ppb (2) N/A 0.0 μg/m3 (0) 34.0
 
Jan. 15, 2022, 6 a.m. 3.0 ppb (3) 0.2 ppb (1) 3.0 ppb (3) 3.0 ppb (3) 2.7 ppb (3) 0.0 ppb (0) 36.0 ppb (34) 0.14 ppb (2) N/A 0.0 μg/m3 (0) 34.0
 
Jan. 15, 2022, 5 a.m. 2.8 ppb (3) 0.2 ppb (1) 2.8 ppb (3) 3.0 ppb (3) 2.5 ppb (3) 0.0 ppb (0) 38.0 ppb (36) 0.14 ppb (2) N/A 2.0 μg/m3 (9) 36.0
 
Jan. 15, 2022, 4 a.m. 2.7 ppb (3) 0.1 ppb (1) 2.6 ppb (3) 3.0 ppb (3) 2.4 ppb (3) 0.0 ppb (0) 40.0 ppb (38) 0.14 ppb (2) N/A 0.0 μg/m3 (0) 38.0
 
Jan. 15, 2022, 3 a.m. 2.9 ppb (3) 0.2 ppb (1) 2.8 ppb (3) 3.0 ppb (3) 2.6 ppb (3) 0.0 ppb (0) 40.0 ppb (38) 0.15 ppb (2) N/A 2.0 μg/m3 (9) 38.0
 
Jan. 15, 2022, 2 a.m. 2.7 ppb (3) 0.2 ppb (1) 2.6 ppb (3) 3.0 ppb (3) 2.4 ppb (3) 0.0 ppb (0) 39.0 ppb (37) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 37.0
 
Jan. 15, 2022, 1 a.m. 3.1 ppb (3) 0.2 ppb (1) 3.0 ppb (3) 3.0 ppb (3) 2.8 ppb (3) 0.0 ppb (0) 36.0 ppb (34) 0.17 ppb (3) N/A 5.0 μg/m3 (21) 34.0
 
Jan. 15, 2022, midnight 3.5 ppb (4) 0.2 ppb (1) 3.5 ppb (4) 3.0 ppb (3) 3.3 ppb (4) 0.0 ppb (0) 33.0 ppb (31) 0.18 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 14, 2022, 11 p.m. 3.2 ppb (4) 0.1 ppb (1) 3.3 ppb (4) 3.0 ppb (3) 3.1 ppb (3) 0.0 ppb (0) 32.0 ppb (30) 0.18 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2022, 10 p.m. 3.9 ppb (4) 0.2 ppb (1) 3.8 ppb (4) 4.0 ppb (4) 3.6 ppb (4) 0.0 ppb (0) 32.0 ppb (30) 0.19 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 14, 2022, 9 p.m. 4.2 ppb (4) 0.2 ppb (1) 4.0 ppb (4) 4.0 ppb (4) 3.7 ppb (4) 0.0 ppb (0) 30.0 ppb (28) 0.19 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 14, 2022, 8 p.m. 7.6 ppb (8) 0.7 ppb (1) 7.8 ppb (8) 7.0 ppb (7) 7.0 ppb (7) 0.0 ppb (0) 24.0 ppb (23) 0.23 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2022, 7 p.m. 10.7 ppb (11) 1.3 ppb (2) 11.3 ppb (11) 9.0 ppb (9) 9.9 ppb (10) 0.0 ppb (0) 22.0 ppb (21) 0.26 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 14, 2022, 6 p.m. 10.9 ppb (11) 1.4 ppb (2) 11.7 ppb (12) 10.0 ppb (10) 10.1 ppb (10) 0.0 ppb (0) 24.0 ppb (23) 0.25 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 14, 2022, 5 p.m. 11.4 ppb (11) 1.5 ppb (2) 12.3 ppb (12) 10.0 ppb (10) 10.6 ppb (10) 0.0 ppb (0) 24.0 ppb (23) 0.25 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2022, 4 p.m. 10.6 ppb (10) 1.6 ppb (2) 11.2 ppb (11) 9.0 ppb (9) 9.4 ppb (9) 0.0 ppb (0) 25.0 ppb (24) 0.24 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2022, 3 p.m. 12.8 ppb (13) 1.9 ppb (2) 13.5 ppb (13) 11.0 ppb (11) 11.4 ppb (11) 0.0 ppb (0) 21.0 ppb (20) 0.26 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
Jan. 14, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
Jan. 14, 2022, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
Jan. 14, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
Jan. 14, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
Jan. 14, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
Jan. 14, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (60) 60.0
 
Jan. 14, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (60) 60.0
 
Jan. 14, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
Jan. 14, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
Jan. 14, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
Jan. 14, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
Jan. 13, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
Jan. 13, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 13, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 13, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 13, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Jan. 13, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (70) 70.0
 
Jan. 13, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (77) 77.0
 
Jan. 13, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (66) 66.0
 
Jan. 13, 2022, 2 p.m. 77.2 ppb (76) 46.5 ppb (44) 106.2 ppb (102) 31.0 ppb (30) 57.9 ppb (56) 1.0 ppb (2) 3.0 ppb (3) 0.68 ppb (8) N/A 18.0 μg/m3 (64) 102.0
 
Jan. 13, 2022, 1 p.m. 110.0 ppb (103) 77.8 ppb (77) 93.3 ppb (93) 32.0 ppb (31) 12.2 ppb (12) 1.0 ppb (2) 1.0 ppb (1) 0.8 ppb (10) N/A 22.0 μg/m3 (72) 103.0
 
Jan. 13, 2022, noon 87.9 ppb (88) 60.4 ppb (58) 84.7 ppb (84) 28.0 ppb (27) 5.5 ppb (6) 1.0 ppb (2) 1.0 ppb (1) 0.71 ppb (8) N/A 19.0 μg/m3 (66) 88.0
 
Jan. 13, 2022, 11 a.m. 67.9 ppb (66) 39.7 ppb (38) 59.7 ppb (58) 28.0 ppb (27) 3.6 ppb (4) 1.0 ppb (2) 1.0 ppb (1) 0.48 ppb (6) N/A 16.0 μg/m3 (60) 66.0
 
Jan. 13, 2022, 10 a.m. 53.9 ppb (51) 25.2 ppb (24) 36.2 ppb (35) 29.0 ppb (28) 2.5 ppb (3) 0.0 ppb (0) N/A 0.52 ppb (6) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 13, 2022, 9 a.m. 40.5 ppb (39) 10.8 ppb (11) 15.7 ppb (15) 30.0 ppb (29) 1.5 ppb (2) 0.0 ppb (0) N/A 0.47 ppb (6) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 13, 2022, 8 a.m. 34.8 ppb (33) 6.0 ppb (6) 8.4 ppb (8) 29.0 ppb (28) 0.7 ppb (1) 0.0 ppb (0) 1.0 ppb (1) 0.37 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 13, 2022, 7 a.m. 34.1 ppb (33) 3.8 ppb (4) 4.4 ppb (5) 30.0 ppb (29) 0.0 ppb (0) 1.0 ppb (2) 3.0 ppb (3) 0.38 ppb (5) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 13, 2022, 6 a.m. 43.1 ppb (41) 11.5 ppb (11) 9.6 ppb (10) 32.0 ppb (31) 0.4 ppb (1) 1.0 ppb (2) 2.0 ppb (2) 0.52 ppb (6) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 13, 2022, 5 a.m. 42.7 ppb (41) 8.3 ppb (8) 7.2 ppb (7) 34.0 ppb (33) -0.3 ppb (0) 1.0 ppb (2) 2.0 ppb (2) 0.43 ppb (5) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 13, 2022, 4 a.m. 36.4 ppb (35) 3.5 ppb (4) 3.3 ppb (4) 33.0 ppb (32) 0.0 ppb (0) 1.0 ppb (2) 4.0 ppb (4) 0.4 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2022, 3 a.m. 27.4 ppb (26) 1.3 ppb (2) 1.3 ppb (2) 26.0 ppb (25) -0.4 ppb (0) 1.0 ppb (2) 11.0 ppb (11) 0.33 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 13, 2022, 2 a.m. 23.3 ppb (22) 0.3 ppb (1) 0.0 ppb (0) 23.0 ppb (22) -0.2 ppb (0) 1.0 ppb (2) 15.0 ppb (14) 0.32 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 13, 2022, 1 a.m. 24.6 ppb (24) 0.4 ppb (1) 0.2 ppb (1) 24.0 ppb (23) -0.2 ppb (0) 1.0 ppb (2) 15.0 ppb (14) 0.3 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 13, 2022, midnight 20.6 ppb (20) 0.1 ppb (1) -0.2 ppb (0) 21.0 ppb (20) -0.2 ppb (0) 1.0 ppb (2) 19.0 ppb (18) 0.3 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 12, 2022, 11 p.m. 16.5 ppb (16) 0.1 ppb (1) -0.2 ppb (0) 16.0 ppb (16) -0.3 ppb (0) 1.0 ppb (2) 24.0 ppb (23) 0.25 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 12, 2022, 10 p.m. 13.6 ppb (13) 0.3 ppb (1) 0.0 ppb (0) 13.0 ppb (13) -0.4 ppb (0) 1.0 ppb (2) 28.0 ppb (26) 0.23 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 12, 2022, 9 p.m. 10.8 ppb (11) 0.6 ppb (1) 0.2 ppb (1) 10.0 ppb (10) -0.5 ppb (0) 1.0 ppb (2) 33.0 ppb (31) 0.2 ppb (3) N/A 6.0 μg/m3 (25) 31.0
 
Jan. 12, 2022, 8 p.m. 9.6 ppb (10) 1.1 ppb (2) 0.6 ppb (1) 9.0 ppb (9) -0.6 ppb (0) 1.0 ppb (2) 35.0 ppb (33) 0.19 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 12, 2022, 7 p.m. 6.6 ppb (7) 1.2 ppb (2) 0.7 ppb (1) 5.0 ppb (5) -0.5 ppb (0) 1.0 ppb (2) 38.0 ppb (36) 0.17 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 12, 2022, 6 p.m. 6.2 ppb (6) 1.4 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 38.0 ppb (36) 0.17 ppb (3) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 12, 2022, 5 p.m. 6.2 ppb (6) 1.5 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (35) 0.17 ppb (3) N/A 8.0 μg/m3 (34) 35.0
 
Jan. 12, 2022, 4 p.m. 7.0 ppb (7) 1.8 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (34) 0.17 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 12, 2022, 3 p.m. 8.1 ppb (8) 2.2 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (31) 0.18 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 12, 2022, 2 p.m. 28.2 ppb (27) 9.9 ppb (10) 29.9 ppb (29) 18.0 ppb (17) 19.3 ppb (19) 0.0 ppb (0) 21.0 ppb (20) 0.31 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 12, 2022, 1 p.m. 54.4 ppb (52) 24.4 ppb (24) 56.1 ppb (54) 30.0 ppb (29) 31.3 ppb (30) 1.0 ppb (2) 9.0 ppb (9) 0.46 ppb (6) N/A 10.0 μg/m3 (42) 54.0
 
Jan. 12, 2022, noon 73.5 ppb (72) 38.0 ppb (36) 77.9 ppb (77) 36.0 ppb (34) 40.6 ppb (39) 1.0 ppb (2) 1.0 ppb (1) 0.54 ppb (6) N/A 8.0 μg/m3 (34) 77.0
 
Jan. 12, 2022, 11 a.m. 47.2 ppb (45) 16.2 ppb (16) 52.3 ppb (50) 31.0 ppb (30) 33.5 ppb (32) 0.0 ppb (0) 1.0 ppb (1) 0.42 ppb (5) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 12, 2022, 10 a.m. 28.0 ppb (27) 2.5 ppb (3) 30.2 ppb (29) 26.0 ppb (25) 26.9 ppb (26) 0.0 ppb (0) 6.0 ppb (6) 0.3 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 12, 2022, 9 a.m. 36.1 ppb (35) 5.0 ppb (5) 38.4 ppb (37) 31.0 ppb (30) 32.2 ppb (31) 0.0 ppb (0) 5.0 ppb (5) 0.3 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 12, 2022, 8 a.m. 27.3 ppb (26) 2.0 ppb (2) 30.4 ppb (29) 25.0 ppb (24) 27.6 ppb (27) 0.0 ppb (0) 11.0 ppb (11) 0.26 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 12, 2022, 7 a.m. 25.0 ppb (24) 1.7 ppb (2) 26.4 ppb (25) 23.0 ppb (22) 24.5 ppb (24) 1.0 ppb (2) 14.0 ppb (13) 0.24 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 12, 2022, 6 a.m. 25.0 ppb (24) 2.1 ppb (2) 26.6 ppb (26) 23.0 ppb (22) 24.1 ppb (23) 0.0 ppb (0) 14.0 ppb (13) 0.26 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 12, 2022, 5 a.m. 19.4 ppb (19) 1.1 ppb (2) 21.2 ppb (20) 18.0 ppb (17) 19.2 ppb (19) 1.0 ppb (2) 18.0 ppb (17) 0.24 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 12, 2022, 4 a.m. 25.8 ppb (25) 2.2 ppb (3) 27.5 ppb (26) 24.0 ppb (23) 24.4 ppb (24) 1.0 ppb (2) 14.0 ppb (13) 0.27 ppb (4) N/A 6.0 μg/m3 (25) 26.0
 
Jan. 12, 2022, 3 a.m. 16.9 ppb (16) 0.5 ppb (1) 18.2 ppb (18) 16.0 ppb (16) 17.4 ppb (17) 0.0 ppb (0) 20.0 ppb (19) 0.26 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2022, 2 a.m. 9.5 ppb (9) 0.0 ppb (0) 10.0 ppb (10) 10.0 ppb (10) 9.9 ppb (10) 0.0 ppb (0) 27.0 ppb (25) 0.2 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2022, 1 a.m. 9.6 ppb (10) 0.0 ppb (0) 10.0 ppb (10) 10.0 ppb (10) 9.9 ppb (10) 0.0 ppb (0) 27.0 ppb (25) 0.21 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2022, midnight 8.2 ppb (8) 0.1 ppb (1) 8.1 ppb (8) 8.0 ppb (8) 8.0 ppb (8) 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) N/A 4.0 μg/m3 (17) 27.0
 
Jan. 11, 2022, 11 p.m. N/A N/A 8.4 ppb (8) N/A 8.3 ppb (8) N/A 29.0 ppb (27) N/A N/A 4.0 μg/m3 (17) 27.0
 
Jan. 11, 2022, 10 p.m. N/A N/A 6.8 ppb (7) N/A 6.6 ppb (7) N/A 31.0 ppb (29) N/A N/A 4.0 μg/m3 (17) 29.0
 
Jan. 11, 2022, 9 p.m. N/A N/A 5.3 ppb (5) N/A 4.9 ppb (5) N/A 33.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
Jan. 11, 2022, 8 p.m. 4.1 ppb (4) 0.6 ppb (1) 4.3 ppb (5) 3.0 ppb (3) 3.6 ppb (4) 0.0 ppb (0) 35.0 ppb (33) 0.17 ppb (3) N/A 4.0 μg/m3 (17) 33.0
 
Jan. 11, 2022, 7 p.m. 3.7 ppb (4) 1.0 ppb (1) 3.9 ppb (4) 3.0 ppb (3) 2.8 ppb (3) 0.0 ppb (0) 35.0 ppb (33) 0.16 ppb (3) N/A 2.0 μg/m3 (9) 33.0
 
Jan. 11, 2022, 6 p.m. 3.5 ppb (4) 1.1 ppb (2) 3.7 ppb (4) 2.0 ppb (2) 2.4 ppb (3) 0.0 ppb (0) 35.0 ppb (33) 0.16 ppb (3) N/A 3.0 μg/m3 (13) 33.0
 
Jan. 11, 2022, 5 p.m. 3.8 ppb (4) 1.3 ppb (2) 3.9 ppb (4) 3.0 ppb (3) 2.5 ppb (3) 0.0 ppb (0) 35.0 ppb (33) 0.15 ppb (2) N/A 3.0 μg/m3 (13) 33.0
 
Jan. 11, 2022, 4 p.m. 3.6 ppb (4) 1.3 ppb (2) 3.7 ppb (4) 2.0 ppb (2) 2.4 ppb (3) 0.0 ppb (0) 34.0 ppb (32) 0.16 ppb (3) N/A 5.0 μg/m3 (21) 32.0
 
Jan. 11, 2022, 3 p.m. 3.6 ppb (4) 1.2 ppb (2) 3.7 ppb (4) 2.0 ppb (2) 2.4 ppb (3) 0.0 ppb (0) 34.0 ppb (32) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 32.0
 
Jan. 11, 2022, 2 p.m. 4.1 ppb (4) 1.2 ppb (2) 4.2 ppb (4) 3.0 ppb (3) 2.8 ppb (3) 0.0 ppb (0) 33.0 ppb (31) 0.17 ppb (3) N/A 6.0 μg/m3 (25) 31.0
 
Jan. 11, 2022, 1 p.m. 5.0 ppb (5) 1.1 ppb (2) 5.1 ppb (5) 4.0 ppb (4) 3.9 ppb (4) 0.0 ppb (0) 32.0 ppb (30) 0.17 ppb (3) N/A 2.0 μg/m3 (9) 30.0
 
Jan. 11, 2022, noon 4.6 ppb (5) 0.6 ppb (1) 4.6 ppb (5) 4.0 ppb (4) 4.0 ppb (4) 0.0 ppb (0) 31.0 ppb (29) 0.17 ppb (3) N/A 1.0 μg/m3 (5) 29.0
 
Jan. 11, 2022, 11 a.m. 3.8 ppb (4) 0.3 ppb (1) 3.8 ppb (4) 4.0 ppb (4) 3.5 ppb (4) 0.0 ppb (0) 32.0 ppb (30) 0.16 ppb (3) N/A 0.0 μg/m3 (0) 30.0
 
Jan. 11, 2022, 10 a.m. 3.2 ppb (4) 0.2 ppb (1) 3.3 ppb (4) 3.0 ppb (3) 3.0 ppb (3) 0.0 ppb (0) 33.0 ppb (31) 0.15 ppb (2) N/A 2.0 μg/m3 (9) 31.0
 
Jan. 11, 2022, 9 a.m. 4.8 ppb (5) 0.2 ppb (1) 5.0 ppb (5) 5.0 ppb (5) 4.7 ppb (5) 0.0 ppb (0) N/A 0.16 ppb (3) N/A 2.0 μg/m3 (9) 9.0
 
Jan. 11, 2022, 8 a.m. 6.2 ppb (6) 0.3 ppb (1) 6.5 ppb (7) 6.0 ppb (6) 6.1 ppb (6) 0.0 ppb (0) 32.0 ppb (30) 0.16 ppb (3) N/A 0.0 μg/m3 (0) 30.0
 
Jan. 11, 2022, 7 a.m. 4.4 ppb (5) 0.1 ppb (1) 4.7 ppb (5) 4.0 ppb (4) 4.5 ppb (5) 0.0 ppb (0) 34.0 ppb (32) 0.16 ppb (3) N/A 2.0 μg/m3 (9) 32.0
 
Jan. 11, 2022, 6 a.m. 4.5 ppb (5) 0.1 ppb (1) 4.8 ppb (5) 4.0 ppb (4) 4.6 ppb (5) 0.0 ppb (0) 36.0 ppb (34) 0.16 ppb (3) N/A -1.0 μg/m3 (0) 34.0
 
Jan. 11, 2022, 5 a.m. 3.7 ppb (4) 0.1 ppb (1) 3.9 ppb (4) 4.0 ppb (4) 3.8 ppb (4) 0.0 ppb (0) 37.0 ppb (35) 0.16 ppb (3) N/A 0.0 μg/m3 (0) 35.0
 
Jan. 11, 2022, 4 a.m. 5.0 ppb (5) 0.0 ppb (0) 5.2 ppb (5) 5.0 ppb (5) 5.1 ppb (5) 0.0 ppb (0) 35.0 ppb (33) 0.17 ppb (3) N/A 2.0 μg/m3 (9) 33.0
 
Jan. 11, 2022, 3 a.m. 4.2 ppb (4) 0.1 ppb (1) 4.4 ppb (5) 4.0 ppb (4) 4.3 ppb (5) 0.0 ppb (0) 37.0 ppb (35) 0.17 ppb (3) N/A 0.0 μg/m3 (0) 35.0
 
Jan. 11, 2022, 2 a.m. 4.9 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 35.0 ppb (33) 0.17 ppb (3) N/A 3.0 μg/m3 (13) 33.0
 
Jan. 11, 2022, 1 a.m. 10.5 ppb (10) 0.0 ppb (0) 11.3 ppb (11) 11.0 ppb (11) 11.2 ppb (11) 0.0 ppb (0) 29.0 ppb (27) 0.22 ppb (3) N/A 4.0 μg/m3 (17) 27.0
 
Jan. 11, 2022, midnight 9.4 ppb (9) 0.1 ppb (1) 10.2 ppb (10) 9.0 ppb (9) 10.1 ppb (10) 0.0 ppb (0) 30.0 ppb (28) 0.2 ppb (3) N/A 1.0 μg/m3 (5) 28.0